Assembly Biosciences (ASMB) insider trading activity: Get Latest News Today

ASMB Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares0.32

Short Percent Of Float0.47

Shares Outstanding6.36M

Shares Float3.36M

Shares Short20.31K

Short Ratio0.8

0.47%

Short % of Float

0.32%

Short % of Shares Outstanding

Market Insider ASMB

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

12.15% Percentage of Shares held by All Insiders

50.32% Percentage of Shares held by All Institutions

57.28% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 50.32% of ASMB shares are held by financial institutions. QUBE RESEARCH & TECHNOLOGIES LTD is the top corporate investor, holding 0 shares valued at -. A 0% stake in Assembly Biosciences, Inc. is owned by the company. ENGINEERS GATE MANAGER LP owns 0 shares valued at -, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
2024-03-31	QUBE RESEARCH & TECHNOLOGIES LTD	0%	0	-	-43	-100.00%
2024-03-31	ENGINEERS GATE MANAGER LP	0%	0	-	-10.07K	-100.00%
2024-03-31	UBS GROUP AG	0%	0	-	-24.16K	-100.00%
2024-03-31	JANE STREET GROUP, LLC	0%	0	-	-44.9K	-100.00%
2024-03-31	ADVISORY SERVICES NETWORK, LLC	0%	0	-	-1	-100.00%
2024-03-31	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-12.98K	-100.00%
2024-03-31	CLEAR STREET MARKETS LLC	0%	0	-	-5K	-100.00%
2024-03-31	ACUITAS INVESTMENTS, LLC	0%	0	-	-265.59K	-100.00%
2024-03-31	BANK OF NEW YORK MELLON CORP	0%	0	-	-15.87K	-100.00%
2024-03-31	BLACKROCK INC.	0%	0	-	-947.98K	-100.00%
2024-03-31	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-612.01K	-100.00%
2024-03-31	TWO SIGMA INVESTMENTS, LP	0%	0	-	-135.05K	-100.00%
2024-03-31	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-32	-100.00%
2024-03-31	EVERSOURCE WEALTH ADVISORS, LLC	0.01%	664	545	0	0
2024-03-31	ANSON FUNDS MANAGEMENT LP	0%	0	-	-719.47K	-100.00%
2024-03-31	TWO SIGMA ADVISERS, LP	0%	0	-	-33.2K	-100.00%
2024-03-31	HRT FINANCIAL LP	0%	0	-	-30.52K	-100.00%
2024-03-31	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-71.77K	-100.00%
2024-03-31	CITADEL ADVISORS LLC	0%	0	-	-6.2K	-100.00%
2024-03-31	MARQUETTE ASSET MANAGEMENT, LLC	0%	0	-	-54.46K	-100.00%
2024-03-31	PALUMBO WEALTH MANAGEMENT LLC	0%	0	-	-10.08K	-100.00%
2024-03-31	XTX TOPCO LTD	0%	0	-	-41.45K	-100.00%
2024-03-31	WELLS FARGO & COMPANY/MN	0%	0	-	-506	-100.00%
2024-03-31	NORTHERN TRUST CORP	0%	0	-	-131.18K	-100.00%
2024-03-31	STATE STREET CORP	0%	0	-	-145.34K	-100.00%
2024-03-31	VANGUARD GROUP INC	0%	0	-	-2.34M	-100.00%
2024-03-31	BARCLAYS PLC	0%	0	-	-35.93K	-100.00%
2024-03-31	FMR LLC	0%	0	-	-136.34K	-100.00%
2024-03-31	HSBC HOLDINGS PLC	0%	0	-	-11.41K	-100.00%
2024-03-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0%	0	-	-32.45K	-100.00%
2024-03-31	MORGAN STANLEY	0%	0	-	-30.66K	-100.00%
2024-03-31	ACADIAN ASSET MANAGEMENT LLC	0%	0	-	-70.42K	-100.00%
2024-03-31	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-430.52K	-100.00%
2024-03-31	FEDERATED HERMES, INC.	0%	0	-	-304.74K	-100.00%
2024-03-31	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0%	0	-	-174K	-100.00%
2024-03-31	RHUMBLINE ADVISERS	0%	0	-	-2.4K	-100.00%
2024-03-31	JPMORGAN CHASE & CO	0%	0	-	-94	-100.00%
2024-03-31	FRANKLIN RESOURCES INC	0%	0	-	-65.39K	-100.00%
2024-03-31	BANK OF AMERICA CORP /DE/	0%	0	-	-29	-100.00%
2024-03-31	RBF CAPITAL, LLC	0%	0	-	-14.74K	-100.00%
2024-03-31	MILLENNIUM MANAGEMENT LLC	0%	0	-	-1.45M	-100.00%
2024-03-31	AMUNDI	0%	0	-	-95.21K	-100.00%
2023-12-31	BAKER AVENUE ASSET MANAGEMENT, LP	0%	0	-	-1K	-100.00%
2023-12-31	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-500	-100.00%
2023-12-31	ALERCE INVESTMENT MANAGEMENT, L.P.	0%	0	-	-2.23M	-100.00%
2023-12-31	CLEAR STREET MARKETS LLC	0.01%	5K	4K	5K	+100.00%
2023-12-31	VANGUARD GROUP INC	4.45%	2.34M	1.92M	99.09K	+4.42%
2023-12-31	MILLENNIUM MANAGEMENT LLC	2.76%	1.45M	1.19M	40.02K	+2.84%
2023-12-31	BLACKROCK INC.	1.8%	947.98K	777.44K	-114.7K	-10.79%
2023-12-31	ANSON FUNDS MANAGEMENT LP	1.37%	719.47K	590.04K	719.47K	+100.00%
2023-12-31	GEODE CAPITAL MANAGEMENT, LLC	1.16%	612.01K	502.01K	126.74K	+26.12%
2023-12-31	RENAISSANCE TECHNOLOGIES LLC	0.82%	430.52K	353K	-63.17K	-12.80%
2023-12-31	FEDERATED HERMES, INC.	0.58%	304.74K	249.88K	-37.12K	-10.86%
2023-12-31	ACUITAS INVESTMENTS, LLC	0.51%	265.59K	217.81K	265.59K	+100.00%
2023-12-31	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.33%	174K	142.7K	0	0
2023-12-31	STATE STREET CORP	0.28%	145.34K	119.19K	0	0
2023-12-31	FMR LLC	0.26%	136.34K	111.81K	-575	-0.42%
2023-12-31	TWO SIGMA INVESTMENTS, LP	0.26%	135.05K	110.75K	135.05K	+100.00%
2023-12-31	NORTHERN TRUST CORP	0.25%	131.18K	107.58K	23.07K	+21.33%
2023-12-31	CITADEL ADVISORS LLC	0.01%	3K	2.46K	-7.6K	-71.70%
2023-12-31	AMUNDI	0.18%	95.21K	78.24K	95.21K	+100.00%
2023-12-31	ACADIAN ASSET MANAGEMENT LLC	0.13%	70.42K	57K	-13.05K	-15.63%
2023-12-31	FRANKLIN RESOURCES INC	0.12%	65.39K	53.63K	0	0
2023-12-31	MARQUETTE ASSET MANAGEMENT, LLC	0.1%	54.46K	44.67K	54.46K	+100.00%
2023-12-31	JANE STREET GROUP, LLC	0.09%	44.9K	36.82K	44.9K	+100.00%
2023-12-31	XTX TOPCO LTD	0.08%	41.45K	34K	16.22K	+64.25%
2023-12-31	BARCLAYS PLC	0.07%	35.93K	29K	0	0
2023-12-31	TWO SIGMA ADVISERS, LP	0.06%	33.2K	27.23K	20.2K	+155.38%
2023-12-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.06%	32.45K	26.61K	0	0
2023-12-31	MORGAN STANLEY	0.06%	30.66K	25.14K	-14.07K	-31.45%
2023-12-31	HRT FINANCIAL LP	0.06%	30.52K	25K	30.52K	+100.00%
2023-12-31	UBS GROUP AG	0.05%	24.16K	19.81K	24.16K	+100.00%
2023-12-31	BANK OF NEW YORK MELLON CORP	0.03%	15.87K	13.01K	0	0
2023-12-31	RBF CAPITAL, LLC	0.03%	14.74K	12.09K	0	0
2023-12-31	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	12.98K	10.65K	12.98K	+100.00%
2023-12-31	HSBC HOLDINGS PLC	0.02%	11.41K	9.42K	0	0
2023-12-31	PALUMBO WEALTH MANAGEMENT LLC	0.02%	10.08K	8.26K	10.08K	+100.00%
2023-12-31	ENGINEERS GATE MANAGER LP	0.02%	10.07K	8.26K	0	0
2023-12-31	RHUMBLINE ADVISERS	0%	2.4K	1.97K	0	0
2023-12-31	EVERSOURCE WEALTH ADVISORS, LLC	0%	664	545	664	+100.00%
2023-12-31	WELLS FARGO & COMPANY/MN	0%	506	415	122	+31.77%
2023-12-31	JPMORGAN CHASE & CO	0%	94	77	-61	-39.35%
2023-12-31	QUBE RESEARCH & TECHNOLOGIES LTD	0%	43	35	0	0
2023-12-31	BNP PARIBAS ARBITRAGE, SNC	0%	32	26	0	0
2023-12-31	BANK OF AMERICA CORP /DE/	0%	29	24	29	+100.00%
2023-12-31	ADVISORY SERVICES NETWORK, LLC	0%	1	1	1	+100.00%
2023-12-31	HUDSON BAY CAPITAL MANAGEMENT LP	0%	0	-	-199.79K	-100.00%
2023-09-30	ALERCE INVESTMENT MANAGEMENT, L.P.	4.26%	2.23M	-	0	0
2023-09-30	BNP PARIBAS ARBITRAGE, SNC	0%	32	-	0	0
2023-09-30	QUBE RESEARCH & TECHNOLOGIES LTD	0%	43	-	43	+100.00%
2023-09-30	WELLS FARGO & COMPANY/MN	0%	384	-	9	+2.40%
2023-09-30	ADVISOR GROUP HOLDINGS, INC.	0%	500	-	0	0
2023-09-30	BAKER AVENUE ASSET MANAGEMENT, LP	0%	1K	-	0	0
2023-09-30	RHUMBLINE ADVISERS	0%	2.4K	-	0	0
2023-09-30	HSBC HOLDINGS PLC	0.02%	11.41K	-	0	0
2023-09-30	TWO SIGMA ADVISERS, LP	0.02%	13K	-	-1.9K	-12.75%
2023-09-30	BANK OF NEW YORK MELLON CORP	0.03%	15.87K	-	0	0
2023-09-30	XTX TOPCO LTD	0.05%	25.24K	-	25.24K	+100.00%
2023-09-30	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.06%	32.45K	-	0	0
2023-09-30	BARCLAYS PLC	0.07%	35.93K	-	0	0
2023-09-30	MORGAN STANLEY	0.09%	44.73K	-	-68	-0.15%
2023-09-30	FRANKLIN RESOURCES INC	0.13%	65.39K	-	-17.25K	-20.88%
2023-09-30	ACADIAN ASSET MANAGEMENT LLC	0.16%	83.47K	-	-30.38K	-26.69%
2023-09-30	NORTHERN TRUST CORP	0.21%	108.12K	-	0	0
2023-09-30	FMR LLC	0.26%	136.91K	-	-3.61K	-2.57%
2023-09-30	HUDSON BAY CAPITAL MANAGEMENT LP	0.38%	199.79K	-	-626.47K	-75.82%
2023-09-30	FEDERATED HERMES, INC.	0.65%	341.86K	-	0	0
2023-09-30	GEODE CAPITAL MANAGEMENT, LLC	0.93%	485.26K	-	-22.39K	-4.41%
2023-09-30	BLACKROCK INC.	2.03%	1.06M	-	-7.64K	-0.71%

ASMB Insiders

Among the ASMB insiders holding of 12.15% of the stake in company, GILEAD SCIENCES, INC., 10 percent owner, holds the largest shares of 2.21M. SCHORNSTEIN ALEXANDER, 10 percent owner, is the second largest ASMB insider with ownership of 723.11K shares. SMALL DEREK A, CEO and President, stands third with possession of 668.09K shares of that stake.

Insiders	Designation	Shares Held
GILEAD SCIENCES, INC.	10 percent owner	2.21M
SCHORNSTEIN ALEXANDER	10 percent owner	723.11K
SMALL DEREK A	CEO and President	668.09K
LOPATIN URI A	Chief Med. Off., VP Res. Dev.	613.61K
DELANEY WILLIAM E IV	Chief Scientific Officer	150.85K
COLONNO RICHARD JAMES	EVP & CSO, Virology Ops	137.01K
SAMAR MICHAEL P.	Chief Financial Officer	77.23K
ELLISON RUSSELL H	Chief Executive Officer	58K
BARRETT DAVID JONATHAN	Chief Financial Officer	46.98K
STAMM LUISA M	Chief Medical Officer	40.32K
PAPKOFF JACQUELINE SYBIL	SVP-CSO Microbiome	37.36K
RINGO WILLIAM R	director	19.47K
MCHUTCHISON JOHN G	director	19.1K
OKAZAKI JASON A	CEO and President	14.9K
WHITE NICOLE S	Chief Manufacturing Officer	11.87K
HOUGHTON MICHAEL	director	3.2K
BJORKQUIST JEANETTE M	Principal Accounting Officer	3.14K
ECOR1 CAPITAL FUND QUALIFIED, L.P.	10 percent owner	1.21K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
2024-12-30	HOUGHTON MICHAEL	PURCHASE	15.61	3.2K	50K	3.2K
2024-12-19	GILEAD SCIENCES, INC.	PURCHASE	21.37	940.5K	20.1M	2.21M
2024-11-25	SCHORNSTEIN ALEXANDER	PURCHASE	15.00	2.98K	44.64K	723.11K
2024-11-22	SCHORNSTEIN ALEXANDER	PURCHASE	14.87	17.02K	253.1K	720.14K
2024-11-18	WHITE NICOLE S	SALE	16.29	40	651.6	11.87K
2024-10-08	SCHORNSTEIN ALEXANDER	PURCHASE	14.58	10K	145.8K	703.11K
2024-10-03	WHITE NICOLE S	SALE	14.81	157	2.33K	11.91K
2024-10-03	OKAZAKI JASON A	SALE	14.81	197	2.92K	14.9K
2024-08-02	WHITE NICOLE S	SALE	14.23	785	11.17K	12.07K
2024-08-02	OKAZAKI JASON A	SALE	14.23	981	13.96K	15.1K
2024-07-05	SCHORNSTEIN ALEXANDER	PURCHASE	12.52	4.44K	55.56K	693.11K
2024-07-03	SCHORNSTEIN ALEXANDER	PURCHASE	12.29	4.56K	56.07K	688.68K
2024-06-17	GILEAD SCIENCES, INC.	PURCHASE	17.00	179.5K	3.05M	179.5K
2024-05-23	OKAZAKI JASON A	SALE	14.93	549	8.2K	16.08K
2024-05-23	BJORKQUIST JEANETTE M	SALE	14.93	24	358.41	3.14K
2024-05-23	MCHUTCHISON JOHN G	SALE	14.93	2.12K	31.61K	19.1K
2024-05-23	WHITE NICOLE S	SALE	14.93	172	2.57K	12.85K
2024-04-30	WHITE NICOLE S	SALE	12.71	1.26K	15.95K	13.03K
2024-04-30	OKAZAKI JASON A	SALE	12.71	1.57K	19.94K	16.42K
2024-04-01	BJORKQUIST JEANETTE M	SALE	13.07	114	1.49K	3.17K
2024-04-01	MCHUTCHISON JOHN G	SALE	13.07	1.21K	15.76K	21.22K
2024-04-01	OKAZAKI JASON A	SALE	13.07	354	4.63K	13.83K
2024-04-01	WHITE NICOLE S	SALE	13.07	197	2.58K	10.95K
2024-03-27	OKAZAKI JASON A	SALE	12.87	392	5.05K	14.18K
2024-01-18	SCHORNSTEIN ALEXANDER	PURCHASE	0.80	345.09K	276.07K	8.21M
2024-01-17	SCHORNSTEIN ALEXANDER	PURCHASE	0.78	299.99K	235.2K	7.86M
2023-11-21	SCHORNSTEIN ALEXANDER	PURCHASE	0.67	100K	66.7K	7.56M
2023-11-20	SCHORNSTEIN ALEXANDER	PURCHASE	0.72	300K	215.4K	7.46M
2023-11-17	WHITE NICOLE S	SALE	0.69	477	328.65	93.77K
2023-10-03	OKAZAKI JASON A	SALE	0.80	2.36K	1.88K	174.92K
2023-10-03	WHITE NICOLE S	SALE	0.80	1.89K	1.5K	94.25K
2023-10-03	DELANEY WILLIAM E IV	SALE	0.80	1.89K	1.5K	150.85K
2023-08-02	OKAZAKI JASON A	SALE	1.09	11.83K	12.87K	164.79K
2023-08-02	DELANEY WILLIAM E IV	SALE	1.09	9.46K	10.29K	142.74K
2023-07-24	BJORKQUIST JEANETTE M	SALE	1.07	844	900.38	26.69K
2023-05-30	DELANEY WILLIAM E IV	SALE	0.96	4.23K	4.05K	112.21K
2023-05-23	DELANEY WILLIAM E IV	SALE	1.04	6.56K	6.83K	116.44K
2023-05-23	OKAZAKI JASON A	SALE	1.04	6.56K	6.83K	126.61K
2023-05-23	MCHUTCHISON JOHN G	SALE	1.04	25.97K	27.02K	169.16K
2023-05-23	BJORKQUIST JEANETTE M	SALE	1.04	274	285.04	27.53K
2023-03-30	BJORKQUIST JEANETTE M	SALE	0.82	774	637.16	23.81K
2023-03-30	MCHUTCHISON JOHN G	SALE	0.82	14.88K	12.25K	177.63K
2023-03-30	OKAZAKI JASON A	SALE	0.82	4.25K	3.5K	98.17K
2023-03-30	DELANEY WILLIAM E IV	SALE	0.82	3.42K	2.82K	85.5K
2023-03-27	OKAZAKI JASON A	SALE	1.02	4.69K	4.78K	102.42K
2022-08-08	MCHUTCHISON JOHN G	SALE	2.13	12.31K	26.2K	192.52K
2022-07-25	SAMAR MICHAEL P.	SALE	2.22	2.02K	4.48K	77.23K
2022-05-31	DELANEY WILLIAM E IV	SALE	1.92	4.16K	8K	76.42K
2022-03-29	STAMM LUISA M	SALE	2.17	1.04K	2.25K	40.32K
2022-03-29	OKAZAKI JASON A	SALE	2.17	1.27K	2.75K	94.61K
2022-03-29	SAMAR MICHAEL P.	SALE	2.17	2.29K	4.95K	76.75K
2022-03-29	MCHUTCHISON JOHN G	SALE	2.17	4.61K	10K	204.83K
2022-03-29	DELANEY WILLIAM E IV	SALE	2.17	1.04K	2.25K	78.08K
2022-03-28	OKAZAKI JASON A	SALE	2.24	4.62K	10.36K	64.63K
2021-08-09	MCHUTCHISON JOHN G	SALE	3.60	12.16K	43.78K	125.69K
2021-05-27	DELANEY WILLIAM E IV	SALE	4.03	4.13K	16.64K	53.12K
2020-12-14	PAPKOFF JACQUELINE SYBIL	SALE	6.15	1.3K	7.98K	37.36K
2020-11-09	STAMM LUISA M	SALE	5.10	4.4K	22.4K	7.6K
2020-08-07	MCHUTCHISON JOHN G	SALE	22.50	756	17.01K	137.85K
2020-03-31	COLONNO RICHARD JAMES	SALE	15.04	7.81K	117.52K	137.01K
2020-03-30	PAPKOFF JACQUELINE SYBIL	SALE	14.22	1.25K	17.83K	38.66K
2019-12-13	PAPKOFF JACQUELINE SYBIL	SALE	21.00	1.46K	30.66K	22.92K
2019-12-12	COLONNO RICHARD JAMES	SALE	25.00	33.06K	826.58K	127.82K
2018-09-06	LOPATIN URI A	SALE	40.01	336	13.44K	613.61K
2018-09-05	LOPATIN URI A	SALE	40.09	15.2K	609.55K	613.95K
2018-07-19	SMALL DEREK A	PURCHASE	41.19	1.2K	49.43K	668.09K
2018-07-02	RINGO WILLIAM R	SALE	38.50	1K	38.5K	19.47K
2018-06-01	RINGO WILLIAM R	SALE	42.47	1K	42.47K	19.47K
2018-05-01	RINGO WILLIAM R	SALE	43.06	1K	43.06K	19.47K
2018-04-17	ECOR1 CAPITAL FUND QUALIFIED, L.P.	PURCHASE	60.00	246	14.76K	1.21K
2018-04-13	ECOR1 CAPITAL FUND QUALIFIED, L.P.	PURCHASE	60.00	967	58.02K	967
2018-04-02	RINGO WILLIAM R	SALE	49.32	1K	49.32K	19.47K
2018-03-01	RINGO WILLIAM R	SALE	56.37	1K	56.37K	19.47K
2018-02-01	RINGO WILLIAM R	SALE	46.86	1K	46.86K	19.47K
2018-01-02	RINGO WILLIAM R	SALE	45.04	1K	45.04K	19.47K
2017-12-01	RINGO WILLIAM R	SALE	49.37	1K	49.37K	19.47K
2017-11-01	RINGO WILLIAM R	SALE	29.55	1K	29.55K	19.47K
2017-10-16	RINGO WILLIAM R	SALE	33.70	1K	33.7K	19.47K
2017-05-12	RINGO WILLIAM R	SALE	22.00	3.46K	76.14K	0
2016-02-11	SMALL DEREK A	PURCHASE	5.56	1.56K	8.65K	634.39K
2016-02-10	SMALL DEREK A	PURCHASE	5.52	8.45K	46.63K	632.84K
2014-05-27	ELLISON RUSSELL H	PURCHASE	0.92	13K	11.96K	58K
2014-05-23	BARRETT DAVID JONATHAN	PURCHASE	0.88	1K	880	46.98K
2014-05-23	ELLISON RUSSELL H	PURCHASE	0.91	15K	13.6K	45K
2014-05-22	BARRETT DAVID JONATHAN	PURCHASE	0.86	5.98K	5.14K	45.98K
2014-05-22	ELLISON RUSSELL H	PURCHASE	0.90	5K	4.5K	30K
2014-05-21	ELLISON RUSSELL H	PURCHASE	0.87	10K	8.7K	25K
2014-05-20	BARRETT DAVID JONATHAN	PURCHASE	0.88	40K	35.2K	40K
2013-02-05	ELLISON RUSSELL H	PURCHASE	2.59	5.62K	14.57K	15K
2013-02-04	ELLISON RUSSELL H	PURCHASE	2.52	9.38K	23.63K	9.38K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE973.7K5

SALES3943

NET SHARES973.31K2

NO. OF SHARES HELD4.4M8

% NET SHARES-77.87%-75%

Frequently Asked Questions

ASMB Stock Outstanding Shares

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares0.32

Short Percent Of Float0.47

Shares Outstanding6.36M

Shares Float3.36M

Shares Short20.31K

Short Ratio0.8

0.47%

Short % of Float

0.32%

Short % of Shares Outstanding

Market Insider ASMB

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

12.15% Percentage of Shares held by All Insiders

50.32% Percentage of Shares held by All Institutions

57.28% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
2024-03-31	QUBE RESEARCH & TECHNOLOGIES LTD	0%	0	-	-43	-100.00%
2024-03-31	ENGINEERS GATE MANAGER LP	0%	0	-	-10.07K	-100.00%
2024-03-31	UBS GROUP AG	0%	0	-	-24.16K	-100.00%
2024-03-31	JANE STREET GROUP, LLC	0%	0	-	-44.9K	-100.00%
2024-03-31	ADVISORY SERVICES NETWORK, LLC	0%	0	-	-1	-100.00%
2024-03-31	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-12.98K	-100.00%
2024-03-31	CLEAR STREET MARKETS LLC	0%	0	-	-5K	-100.00%
2024-03-31	ACUITAS INVESTMENTS, LLC	0%	0	-	-265.59K	-100.00%
2024-03-31	BANK OF NEW YORK MELLON CORP	0%	0	-	-15.87K	-100.00%
2024-03-31	BLACKROCK INC.	0%	0	-	-947.98K	-100.00%
2024-03-31	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-612.01K	-100.00%
2024-03-31	TWO SIGMA INVESTMENTS, LP	0%	0	-	-135.05K	-100.00%
2024-03-31	BNP PARIBAS ARBITRAGE, SNC	0%	0	-	-32	-100.00%
2024-03-31	EVERSOURCE WEALTH ADVISORS, LLC	0.01%	664	545	0	0
2024-03-31	ANSON FUNDS MANAGEMENT LP	0%	0	-	-719.47K	-100.00%
2024-03-31	TWO SIGMA ADVISERS, LP	0%	0	-	-33.2K	-100.00%
2024-03-31	HRT FINANCIAL LP	0%	0	-	-30.52K	-100.00%
2024-03-31	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-71.77K	-100.00%
2024-03-31	CITADEL ADVISORS LLC	0%	0	-	-6.2K	-100.00%
2024-03-31	MARQUETTE ASSET MANAGEMENT, LLC	0%	0	-	-54.46K	-100.00%
2024-03-31	PALUMBO WEALTH MANAGEMENT LLC	0%	0	-	-10.08K	-100.00%
2024-03-31	XTX TOPCO LTD	0%	0	-	-41.45K	-100.00%
2024-03-31	WELLS FARGO & COMPANY/MN	0%	0	-	-506	-100.00%
2024-03-31	NORTHERN TRUST CORP	0%	0	-	-131.18K	-100.00%
2024-03-31	STATE STREET CORP	0%	0	-	-145.34K	-100.00%
2024-03-31	VANGUARD GROUP INC	0%	0	-	-2.34M	-100.00%
2024-03-31	BARCLAYS PLC	0%	0	-	-35.93K	-100.00%
2024-03-31	FMR LLC	0%	0	-	-136.34K	-100.00%
2024-03-31	HSBC HOLDINGS PLC	0%	0	-	-11.41K	-100.00%
2024-03-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0%	0	-	-32.45K	-100.00%
2024-03-31	MORGAN STANLEY	0%	0	-	-30.66K	-100.00%
2024-03-31	ACADIAN ASSET MANAGEMENT LLC	0%	0	-	-70.42K	-100.00%
2024-03-31	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-430.52K	-100.00%
2024-03-31	FEDERATED HERMES, INC.	0%	0	-	-304.74K	-100.00%
2024-03-31	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0%	0	-	-174K	-100.00%
2024-03-31	RHUMBLINE ADVISERS	0%	0	-	-2.4K	-100.00%
2024-03-31	JPMORGAN CHASE & CO	0%	0	-	-94	-100.00%
2024-03-31	FRANKLIN RESOURCES INC	0%	0	-	-65.39K	-100.00%
2024-03-31	BANK OF AMERICA CORP /DE/	0%	0	-	-29	-100.00%
2024-03-31	RBF CAPITAL, LLC	0%	0	-	-14.74K	-100.00%
2024-03-31	MILLENNIUM MANAGEMENT LLC	0%	0	-	-1.45M	-100.00%
2024-03-31	AMUNDI	0%	0	-	-95.21K	-100.00%
2023-12-31	BAKER AVENUE ASSET MANAGEMENT, LP	0%	0	-	-1K	-100.00%
2023-12-31	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-500	-100.00%
2023-12-31	ALERCE INVESTMENT MANAGEMENT, L.P.	0%	0	-	-2.23M	-100.00%
2023-12-31	CLEAR STREET MARKETS LLC	0.01%	5K	4K	5K	+100.00%
2023-12-31	VANGUARD GROUP INC	4.45%	2.34M	1.92M	99.09K	+4.42%
2023-12-31	MILLENNIUM MANAGEMENT LLC	2.76%	1.45M	1.19M	40.02K	+2.84%
2023-12-31	BLACKROCK INC.	1.8%	947.98K	777.44K	-114.7K	-10.79%
2023-12-31	ANSON FUNDS MANAGEMENT LP	1.37%	719.47K	590.04K	719.47K	+100.00%
2023-12-31	GEODE CAPITAL MANAGEMENT, LLC	1.16%	612.01K	502.01K	126.74K	+26.12%
2023-12-31	RENAISSANCE TECHNOLOGIES LLC	0.82%	430.52K	353K	-63.17K	-12.80%
2023-12-31	FEDERATED HERMES, INC.	0.58%	304.74K	249.88K	-37.12K	-10.86%
2023-12-31	ACUITAS INVESTMENTS, LLC	0.51%	265.59K	217.81K	265.59K	+100.00%
2023-12-31	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.33%	174K	142.7K	0	0
2023-12-31	STATE STREET CORP	0.28%	145.34K	119.19K	0	0
2023-12-31	FMR LLC	0.26%	136.34K	111.81K	-575	-0.42%
2023-12-31	TWO SIGMA INVESTMENTS, LP	0.26%	135.05K	110.75K	135.05K	+100.00%
2023-12-31	NORTHERN TRUST CORP	0.25%	131.18K	107.58K	23.07K	+21.33%
2023-12-31	CITADEL ADVISORS LLC	0.01%	3K	2.46K	-7.6K	-71.70%
2023-12-31	AMUNDI	0.18%	95.21K	78.24K	95.21K	+100.00%
2023-12-31	ACADIAN ASSET MANAGEMENT LLC	0.13%	70.42K	57K	-13.05K	-15.63%
2023-12-31	FRANKLIN RESOURCES INC	0.12%	65.39K	53.63K	0	0
2023-12-31	MARQUETTE ASSET MANAGEMENT, LLC	0.1%	54.46K	44.67K	54.46K	+100.00%
2023-12-31	JANE STREET GROUP, LLC	0.09%	44.9K	36.82K	44.9K	+100.00%
2023-12-31	XTX TOPCO LTD	0.08%	41.45K	34K	16.22K	+64.25%
2023-12-31	BARCLAYS PLC	0.07%	35.93K	29K	0	0
2023-12-31	TWO SIGMA ADVISERS, LP	0.06%	33.2K	27.23K	20.2K	+155.38%
2023-12-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.06%	32.45K	26.61K	0	0
2023-12-31	MORGAN STANLEY	0.06%	30.66K	25.14K	-14.07K	-31.45%
2023-12-31	HRT FINANCIAL LP	0.06%	30.52K	25K	30.52K	+100.00%
2023-12-31	UBS GROUP AG	0.05%	24.16K	19.81K	24.16K	+100.00%
2023-12-31	BANK OF NEW YORK MELLON CORP	0.03%	15.87K	13.01K	0	0
2023-12-31	RBF CAPITAL, LLC	0.03%	14.74K	12.09K	0	0
2023-12-31	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	12.98K	10.65K	12.98K	+100.00%
2023-12-31	HSBC HOLDINGS PLC	0.02%	11.41K	9.42K	0	0
2023-12-31	PALUMBO WEALTH MANAGEMENT LLC	0.02%	10.08K	8.26K	10.08K	+100.00%
2023-12-31	ENGINEERS GATE MANAGER LP	0.02%	10.07K	8.26K	0	0
2023-12-31	RHUMBLINE ADVISERS	0%	2.4K	1.97K	0	0
2023-12-31	EVERSOURCE WEALTH ADVISORS, LLC	0%	664	545	664	+100.00%
2023-12-31	WELLS FARGO & COMPANY/MN	0%	506	415	122	+31.77%
2023-12-31	JPMORGAN CHASE & CO	0%	94	77	-61	-39.35%
2023-12-31	QUBE RESEARCH & TECHNOLOGIES LTD	0%	43	35	0	0
2023-12-31	BNP PARIBAS ARBITRAGE, SNC	0%	32	26	0	0
2023-12-31	BANK OF AMERICA CORP /DE/	0%	29	24	29	+100.00%
2023-12-31	ADVISORY SERVICES NETWORK, LLC	0%	1	1	1	+100.00%
2023-12-31	HUDSON BAY CAPITAL MANAGEMENT LP	0%	0	-	-199.79K	-100.00%
2023-09-30	ALERCE INVESTMENT MANAGEMENT, L.P.	4.26%	2.23M	-	0	0
2023-09-30	BNP PARIBAS ARBITRAGE, SNC	0%	32	-	0	0
2023-09-30	QUBE RESEARCH & TECHNOLOGIES LTD	0%	43	-	43	+100.00%
2023-09-30	WELLS FARGO & COMPANY/MN	0%	384	-	9	+2.40%
2023-09-30	ADVISOR GROUP HOLDINGS, INC.	0%	500	-	0	0
2023-09-30	BAKER AVENUE ASSET MANAGEMENT, LP	0%	1K	-	0	0
2023-09-30	RHUMBLINE ADVISERS	0%	2.4K	-	0	0
2023-09-30	HSBC HOLDINGS PLC	0.02%	11.41K	-	0	0
2023-09-30	TWO SIGMA ADVISERS, LP	0.02%	13K	-	-1.9K	-12.75%
2023-09-30	BANK OF NEW YORK MELLON CORP	0.03%	15.87K	-	0	0
2023-09-30	XTX TOPCO LTD	0.05%	25.24K	-	25.24K	+100.00%
2023-09-30	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.06%	32.45K	-	0	0
2023-09-30	BARCLAYS PLC	0.07%	35.93K	-	0	0
2023-09-30	MORGAN STANLEY	0.09%	44.73K	-	-68	-0.15%
2023-09-30	FRANKLIN RESOURCES INC	0.13%	65.39K	-	-17.25K	-20.88%
2023-09-30	ACADIAN ASSET MANAGEMENT LLC	0.16%	83.47K	-	-30.38K	-26.69%
2023-09-30	NORTHERN TRUST CORP	0.21%	108.12K	-	0	0
2023-09-30	FMR LLC	0.26%	136.91K	-	-3.61K	-2.57%
2023-09-30	HUDSON BAY CAPITAL MANAGEMENT LP	0.38%	199.79K	-	-626.47K	-75.82%
2023-09-30	FEDERATED HERMES, INC.	0.65%	341.86K	-	0	0
2023-09-30	GEODE CAPITAL MANAGEMENT, LLC	0.93%	485.26K	-	-22.39K	-4.41%
2023-09-30	BLACKROCK INC.	2.03%	1.06M	-	-7.64K	-0.71%

ASMB Insiders

Insiders	Designation	Shares Held
GILEAD SCIENCES, INC.	10 percent owner	2.21M
SCHORNSTEIN ALEXANDER	10 percent owner	723.11K
SMALL DEREK A	CEO and President	668.09K
LOPATIN URI A	Chief Med. Off., VP Res. Dev.	613.61K
DELANEY WILLIAM E IV	Chief Scientific Officer	150.85K
COLONNO RICHARD JAMES	EVP & CSO, Virology Ops	137.01K
SAMAR MICHAEL P.	Chief Financial Officer	77.23K
ELLISON RUSSELL H	Chief Executive Officer	58K
BARRETT DAVID JONATHAN	Chief Financial Officer	46.98K
STAMM LUISA M	Chief Medical Officer	40.32K
PAPKOFF JACQUELINE SYBIL	SVP-CSO Microbiome	37.36K
RINGO WILLIAM R	director	19.47K
MCHUTCHISON JOHN G	director	19.1K
OKAZAKI JASON A	CEO and President	14.9K
WHITE NICOLE S	Chief Manufacturing Officer	11.87K
HOUGHTON MICHAEL	director	3.2K
BJORKQUIST JEANETTE M	Principal Accounting Officer	3.14K
ECOR1 CAPITAL FUND QUALIFIED, L.P.	10 percent owner	1.21K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
2024-12-30	HOUGHTON MICHAEL	PURCHASE	15.61	3.2K	50K	3.2K
2024-12-19	GILEAD SCIENCES, INC.	PURCHASE	21.37	940.5K	20.1M	2.21M
2024-11-25	SCHORNSTEIN ALEXANDER	PURCHASE	15.00	2.98K	44.64K	723.11K
2024-11-22	SCHORNSTEIN ALEXANDER	PURCHASE	14.87	17.02K	253.1K	720.14K
2024-11-18	WHITE NICOLE S	SALE	16.29	40	651.6	11.87K
2024-10-08	SCHORNSTEIN ALEXANDER	PURCHASE	14.58	10K	145.8K	703.11K
2024-10-03	WHITE NICOLE S	SALE	14.81	157	2.33K	11.91K
2024-10-03	OKAZAKI JASON A	SALE	14.81	197	2.92K	14.9K
2024-08-02	WHITE NICOLE S	SALE	14.23	785	11.17K	12.07K
2024-08-02	OKAZAKI JASON A	SALE	14.23	981	13.96K	15.1K
2024-07-05	SCHORNSTEIN ALEXANDER	PURCHASE	12.52	4.44K	55.56K	693.11K
2024-07-03	SCHORNSTEIN ALEXANDER	PURCHASE	12.29	4.56K	56.07K	688.68K
2024-06-17	GILEAD SCIENCES, INC.	PURCHASE	17.00	179.5K	3.05M	179.5K
2024-05-23	OKAZAKI JASON A	SALE	14.93	549	8.2K	16.08K
2024-05-23	BJORKQUIST JEANETTE M	SALE	14.93	24	358.41	3.14K
2024-05-23	MCHUTCHISON JOHN G	SALE	14.93	2.12K	31.61K	19.1K
2024-05-23	WHITE NICOLE S	SALE	14.93	172	2.57K	12.85K
2024-04-30	WHITE NICOLE S	SALE	12.71	1.26K	15.95K	13.03K
2024-04-30	OKAZAKI JASON A	SALE	12.71	1.57K	19.94K	16.42K
2024-04-01	BJORKQUIST JEANETTE M	SALE	13.07	114	1.49K	3.17K
2024-04-01	MCHUTCHISON JOHN G	SALE	13.07	1.21K	15.76K	21.22K
2024-04-01	OKAZAKI JASON A	SALE	13.07	354	4.63K	13.83K
2024-04-01	WHITE NICOLE S	SALE	13.07	197	2.58K	10.95K
2024-03-27	OKAZAKI JASON A	SALE	12.87	392	5.05K	14.18K
2024-01-18	SCHORNSTEIN ALEXANDER	PURCHASE	0.80	345.09K	276.07K	8.21M
2024-01-17	SCHORNSTEIN ALEXANDER	PURCHASE	0.78	299.99K	235.2K	7.86M
2023-11-21	SCHORNSTEIN ALEXANDER	PURCHASE	0.67	100K	66.7K	7.56M
2023-11-20	SCHORNSTEIN ALEXANDER	PURCHASE	0.72	300K	215.4K	7.46M
2023-11-17	WHITE NICOLE S	SALE	0.69	477	328.65	93.77K
2023-10-03	OKAZAKI JASON A	SALE	0.80	2.36K	1.88K	174.92K
2023-10-03	WHITE NICOLE S	SALE	0.80	1.89K	1.5K	94.25K
2023-10-03	DELANEY WILLIAM E IV	SALE	0.80	1.89K	1.5K	150.85K
2023-08-02	OKAZAKI JASON A	SALE	1.09	11.83K	12.87K	164.79K
2023-08-02	DELANEY WILLIAM E IV	SALE	1.09	9.46K	10.29K	142.74K
2023-07-24	BJORKQUIST JEANETTE M	SALE	1.07	844	900.38	26.69K
2023-05-30	DELANEY WILLIAM E IV	SALE	0.96	4.23K	4.05K	112.21K
2023-05-23	DELANEY WILLIAM E IV	SALE	1.04	6.56K	6.83K	116.44K
2023-05-23	OKAZAKI JASON A	SALE	1.04	6.56K	6.83K	126.61K
2023-05-23	MCHUTCHISON JOHN G	SALE	1.04	25.97K	27.02K	169.16K
2023-05-23	BJORKQUIST JEANETTE M	SALE	1.04	274	285.04	27.53K
2023-03-30	BJORKQUIST JEANETTE M	SALE	0.82	774	637.16	23.81K
2023-03-30	MCHUTCHISON JOHN G	SALE	0.82	14.88K	12.25K	177.63K
2023-03-30	OKAZAKI JASON A	SALE	0.82	4.25K	3.5K	98.17K
2023-03-30	DELANEY WILLIAM E IV	SALE	0.82	3.42K	2.82K	85.5K
2023-03-27	OKAZAKI JASON A	SALE	1.02	4.69K	4.78K	102.42K
2022-08-08	MCHUTCHISON JOHN G	SALE	2.13	12.31K	26.2K	192.52K
2022-07-25	SAMAR MICHAEL P.	SALE	2.22	2.02K	4.48K	77.23K
2022-05-31	DELANEY WILLIAM E IV	SALE	1.92	4.16K	8K	76.42K
2022-03-29	STAMM LUISA M	SALE	2.17	1.04K	2.25K	40.32K
2022-03-29	OKAZAKI JASON A	SALE	2.17	1.27K	2.75K	94.61K
2022-03-29	SAMAR MICHAEL P.	SALE	2.17	2.29K	4.95K	76.75K
2022-03-29	MCHUTCHISON JOHN G	SALE	2.17	4.61K	10K	204.83K
2022-03-29	DELANEY WILLIAM E IV	SALE	2.17	1.04K	2.25K	78.08K
2022-03-28	OKAZAKI JASON A	SALE	2.24	4.62K	10.36K	64.63K
2021-08-09	MCHUTCHISON JOHN G	SALE	3.60	12.16K	43.78K	125.69K
2021-05-27	DELANEY WILLIAM E IV	SALE	4.03	4.13K	16.64K	53.12K
2020-12-14	PAPKOFF JACQUELINE SYBIL	SALE	6.15	1.3K	7.98K	37.36K
2020-11-09	STAMM LUISA M	SALE	5.10	4.4K	22.4K	7.6K
2020-08-07	MCHUTCHISON JOHN G	SALE	22.50	756	17.01K	137.85K
2020-03-31	COLONNO RICHARD JAMES	SALE	15.04	7.81K	117.52K	137.01K
2020-03-30	PAPKOFF JACQUELINE SYBIL	SALE	14.22	1.25K	17.83K	38.66K
2019-12-13	PAPKOFF JACQUELINE SYBIL	SALE	21.00	1.46K	30.66K	22.92K
2019-12-12	COLONNO RICHARD JAMES	SALE	25.00	33.06K	826.58K	127.82K
2018-09-06	LOPATIN URI A	SALE	40.01	336	13.44K	613.61K
2018-09-05	LOPATIN URI A	SALE	40.09	15.2K	609.55K	613.95K
2018-07-19	SMALL DEREK A	PURCHASE	41.19	1.2K	49.43K	668.09K
2018-07-02	RINGO WILLIAM R	SALE	38.50	1K	38.5K	19.47K
2018-06-01	RINGO WILLIAM R	SALE	42.47	1K	42.47K	19.47K
2018-05-01	RINGO WILLIAM R	SALE	43.06	1K	43.06K	19.47K
2018-04-17	ECOR1 CAPITAL FUND QUALIFIED, L.P.	PURCHASE	60.00	246	14.76K	1.21K
2018-04-13	ECOR1 CAPITAL FUND QUALIFIED, L.P.	PURCHASE	60.00	967	58.02K	967
2018-04-02	RINGO WILLIAM R	SALE	49.32	1K	49.32K	19.47K
2018-03-01	RINGO WILLIAM R	SALE	56.37	1K	56.37K	19.47K
2018-02-01	RINGO WILLIAM R	SALE	46.86	1K	46.86K	19.47K
2018-01-02	RINGO WILLIAM R	SALE	45.04	1K	45.04K	19.47K
2017-12-01	RINGO WILLIAM R	SALE	49.37	1K	49.37K	19.47K
2017-11-01	RINGO WILLIAM R	SALE	29.55	1K	29.55K	19.47K
2017-10-16	RINGO WILLIAM R	SALE	33.70	1K	33.7K	19.47K
2017-05-12	RINGO WILLIAM R	SALE	22.00	3.46K	76.14K	0
2016-02-11	SMALL DEREK A	PURCHASE	5.56	1.56K	8.65K	634.39K
2016-02-10	SMALL DEREK A	PURCHASE	5.52	8.45K	46.63K	632.84K
2014-05-27	ELLISON RUSSELL H	PURCHASE	0.92	13K	11.96K	58K
2014-05-23	BARRETT DAVID JONATHAN	PURCHASE	0.88	1K	880	46.98K
2014-05-23	ELLISON RUSSELL H	PURCHASE	0.91	15K	13.6K	45K
2014-05-22	BARRETT DAVID JONATHAN	PURCHASE	0.86	5.98K	5.14K	45.98K
2014-05-22	ELLISON RUSSELL H	PURCHASE	0.90	5K	4.5K	30K
2014-05-21	ELLISON RUSSELL H	PURCHASE	0.87	10K	8.7K	25K
2014-05-20	BARRETT DAVID JONATHAN	PURCHASE	0.88	40K	35.2K	40K
2013-02-05	ELLISON RUSSELL H	PURCHASE	2.59	5.62K	14.57K	15K
2013-02-04	ELLISON RUSSELL H	PURCHASE	2.52	9.38K	23.63K	9.38K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE973.7K5

SALES3943

NET SHARES973.31K2

NO. OF SHARES HELD4.4M8

% NET SHARES-77.87%-75%

ASMB Stock Ownership Breakdown

Assembly Biosciences, Inc.

ASMB Stock Outstanding Shares

Market Insider ASMB

Institutional Ownership

ASMB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

ASMB Stock Outstanding Shares

Market Insider ASMB

Institutional Ownership

ASMB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions