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GKOS Stock Ownership Breakdown

NYSE : GKOS

Glaukos Corporation

$101.70
5.1+527.95%
Open: 2:16 PM
59.46
BESG ScoreESG Rating

GKOS 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
OptionableYes
Short Percent Of Outstanding Shares5.51
Short Percent Of Float8.83
Shares Outstanding55.14M
Shares Float53.34M
Shares Short3.04M
Short Ratio4.86
Created with Highcharts 10.3.3
8.83%
Short % of Float
Created with Highcharts 10.3.3
5.51%
Short % of Shares Outstanding

Market Insider GKOS

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.

Created with Highcharts 10.3.3InsidersInstitutionsFloat by Inst
Major Holders Summary
3.19% Percentage of Shares held by All Insiders
101.04% Percentage of Shares held by All Institutions
104.37% Percentage of Float held by Institutions
433
Number of Institutions Holding Shares

Institutional Ownership

About 101.04% of GKOS shares are held by financial institutions. BANK OF AMERICA CORP /DE/ is the top corporate investor, holding 290K shares valued at $27.34M. A 0.59% stake in Glaukos Corporation is owned by the company. LISANTI CAPITAL GROWTH, LLC owns 42.1K shares valued at $3.97M, which translates its holding of 0.09% of the stake in the company.

DateHolder% StakeShares HeldTotal Value ($)Shares% Change in Portfolio
Mar 31, 2024BANK OF AMERICA CORP /DE/0.59%290K27.34M-81.35K-2,190.74%
Mar 31, 2024LISANTI CAPITAL GROWTH, LLC0.09%42.1K3.97M42.1K+10,000.00%
Mar 31, 2024BLACKROCK INC.16.16%7.9M744.61M2.72K+3.44%
Mar 31, 2024BROWN CAPITAL MANAGEMENT LLC4.36%2.13M201.11M-564.95K-2,094.11%
Mar 31, 2024FMR LLC15.05%7.36M693.68M1.54M+2,642.69%
Mar 31, 2024VANGUARD GROUP INC10.86%5.31M500.58M72.16K+137.79%
Mar 31, 2024LOOMIS SAYLES & CO L P0.87%424.72K40.05M-11.53K-264.36%
Mar 31, 2024STATE STREET CORP3.74%1.83M172.15M8.8K+48.43%
Mar 31, 2024JANUS HENDERSON GROUP PLC3.3%1.61M151.89M-5.65K-34.93%
Mar 31, 2024INVESCO LTD.3.28%1.6M151.26M31.54K+200.56%
Mar 31, 2024LORD, ABBETT & CO. LLC3.1%1.51M142.75M1.03M+21,355.20%
Mar 31, 2024AMERIPRISE FINANCIAL INC2.99%1.46M137.61M322.77K+2,839.61%
Mar 31, 2024FRED ALGER MANAGEMENT, LLC2.52%1.23M116.11M-413.67K-2,514.56%
Mar 31, 2024ARTISAN PARTNERS LIMITED PARTNERSHIP2.5%1.22M115.31M00
Mar 31, 2024GEODE CAPITAL MANAGEMENT, LLC2.12%1.04M97.88M29.94K+297.06%
Mar 31, 2024CAPITAL WORLD INVESTORS1.13%550.32K51.89M00
Mar 31, 2024GOLDMAN SACHS GROUP INC0.47%230.42K21.73M103.78K+8,194.60%
Mar 31, 2024AVIDITY PARTNERS MANAGEMENT LP0.46%224K21.12M224K+10,000.00%
Mar 31, 2024ADAGE CAPITAL PARTNERS GP, L.L.C.0.41%200K18.86M00
Mar 31, 2024ROYAL BANK OF CANADA0.4%197.81K18.65M-54.56K-2,161.84%
Mar 31, 2024C WORLDWIDE GROUP HOLDING A/S0.4%197.21K18.6M00
Mar 31, 2024NOMURA HOLDINGS INC0.4%193.99K18.29M-38.04K-1,639.41%
Mar 31, 2024ATIKA CAPITAL MANAGEMENT LLC0.36%175K16.5M50.03K+4,003.58%
Mar 31, 2024ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC0.34%166.05K15.66M93.08K+12,753.98%
Mar 31, 2024RENAISSANCE TECHNOLOGIES LLC0.32%157.99K14.9M-7.7K-464.72%
Mar 31, 2024KEYBANK NATIONAL ASSOCIATION/OH0.29%142.36K13.42M-84-5.90%
Mar 31, 2024LEGAL & GENERAL GROUP PLC0.29%140.1K13.21M5.74K+427.12%
Mar 31, 2024RHUMBLINE ADVISERS0.28%136.01K12.82M-2.05K-148.56%
Mar 31, 2024POLAR ASSET MANAGEMENT PARTNERS INC.0.24%116.14K10.95M85.1K+27,419.77%
Mar 31, 2024MAN GROUP PLC0.23%114.7K10.81M-97.05K-4,583.32%
Mar 31, 2024CUBIST SYSTEMATIC STRATEGIES, LLC0.23%112.72K10.63M-76.8K-4,052.45%
Mar 31, 2024MILLENNIUM MANAGEMENT LLC0.23%110.8K10.45M-265.4K-7,054.76%
Mar 31, 2024SEGALL BRYANT & HAMILL, LLC0.22%107.28K10.12M18.48K+2,081.58%
Mar 31, 2024CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.0.21%100.94K9.52M3.14K+320.76%
Mar 31, 2024DIMENSIONAL FUND ADVISORS LP1.88%918.16K86.57M-5.37K-58.15%
Mar 31, 2024PRIMECAP MANAGEMENT CO/CA/1.74%848.64K80.02M58.6K+741.74%
Mar 31, 2024DRIEHAUS CAPITAL MANAGEMENT LLC1.33%648K61.1M59.14K+1,004.39%
Mar 31, 2024MORGAN STANLEY1.13%551.02K51.96M-111.23K-1,679.59%
Mar 31, 2024RIVERBRIDGE PARTNERS LLC1.09%534.51K50.4M-13.62K-248.51%
Mar 31, 2024NORTHERN TRUST CORP1.09%532.82K50.24M-9.89K-182.25%
Mar 31, 2024NEW YORK STATE COMMON RETIREMENT FUND1.05%514.73K48.53M1.7K+33.16%
Mar 31, 2024BRAIDWELL LP0.92%450.68K42.49M207.92K+8,564.67%
Mar 31, 2024IRON TRIANGLE PARTNERS LP0.88%429.53K40.5M184.92K+7,559.87%
Mar 31, 2024AMERICAN CENTURY COMPANIES INC0.87%423.57K39.94M-622-14.66%
Mar 31, 2024WELLINGTON MANAGEMENT GROUP LLP0.86%422.28K39.82M-918.22K-6,849.82%
Mar 31, 2024CHARLES SCHWAB INVESTMENT MANAGEMENT INC0.83%407.54K38.43M15.3K+389.94%
Mar 31, 2024GILDER GAGNON HOWE & CO LLC0.83%403.31K38.03M315.85K+36,112.90%
Mar 31, 2024BANK OF NEW YORK MELLON CORP0.79%387.17K36.51M-23.45K-571.04%
Mar 31, 2024NUVEEN ASSET MANAGEMENT, LLC0.69%339.36K31.99M-31.29K-844.14%
Mar 31, 2024PRINCIPAL FINANCIAL GROUP INC0.61%297.42K28.04M-48-1.61%
Mar 31, 2024PUBLIC SECTOR PENSION INVESTMENT BOARD0.2%100.03K9.43M-1.07K-105.83%
Mar 31, 2024PEREGRINE CAPITAL MANAGEMENT LLC0.2%98.14K9.25M-951-95.97%
Mar 31, 2024SWISS NATIONAL BANK0.19%91.5K8.63M500+54.95%
Mar 31, 2024JPMORGAN CHASE & CO0.18%89.77K8.46M-34.05K-2,749.81%
Mar 31, 2024CREDIT SUISSE AG/0.18%87.34K8.24M1.97K+230.77%
Mar 31, 2024BAIRD FINANCIAL GROUP, INC.0.16%79.91K7.53M51.4K+18,031.71%
Mar 31, 2024CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM0.16%76.8K7.24M00
Mar 31, 2024SEI INVESTMENTS CO0.15%71.61K6.75B1.19K+168.98%
Mar 31, 2024ENVESTNET ASSET MANAGEMENT INC0.13%65.6K6.18M-14.01K-1,760.04%
Mar 31, 2024ALLIANCEBERNSTEIN L.P.0.12%58.06K5.47M-1.94K-323.34%
Mar 31, 2024MACQUARIE GROUP LTD0.12%57.39K5.41M-1.4K-238.30%
Mar 31, 2024GREAT WEST LIFE ASSURANCE CO /CAN/0.11%55.89K5.26M3.57K+681.33%
Mar 31, 2024PRUDENTIAL FINANCIAL INC0.11%54.48K5.14M-1.18K-211.11%
Mar 31, 2024NEUBERGER BERMAN GROUP LLC0.11%53.83K5.08M-5.39K-909.52%
Mar 31, 2024QUBE RESEARCH & TECHNOLOGIES LTD0.11%52.41K4.94M-34.12K-3,943.24%
Mar 31, 2024BLAIR WILLIAM & CO/IL0.1%49.99K4.71M2.86K+607.51%
Mar 31, 2024ALLIANZ ASSET MANAGEMENT GMBH0.1%49.36K4.65M-6.68K-1,191.76%
Mar 31, 2024TAYLOR FRIGON CAPITAL MANAGEMENT LLC0.1%48.82K4.6M-494-100.17%
Mar 31, 2024NEW YORK STATE TEACHERS RETIREMENT SYSTEM0.1%48.34K4.56M00
Mar 31, 2024SUSQUEHANNA INTERNATIONAL GROUP, LLP0.09%42.8K4.04M42.8K+10,000.00%
Mar 31, 2024TEXAS PERMANENT SCHOOL FUND CORP0.09%42.71K4.03M622+147.79%
Mar 31, 2024THRIVENT FINANCIAL FOR LUTHERANS0.09%42.34K3.99M-1.08K-248.31%
Dec 31, 2023INVESCO LTD.3.23%1.57M125.01M122.58K+845.37%
Dec 31, 2023WELLINGTON MANAGEMENT GROUP LLP2.75%1.34M106.56M1.34M+10,000.00%
Dec 31, 2023ARTISAN PARTNERS LIMITED PARTNERSHIP2.51%1.22M97.21M-121.67K-904.85%
Dec 31, 2023AMERIPRISE FINANCIAL INC2.34%1.14M90.36M280.52K+3,276.53%
Dec 31, 2023MILLENNIUM MANAGEMENT LLC0.77%376.2K29.9M286K+31,707.32%
Dec 31, 2023GEODE CAPITAL MANAGEMENT, LLC2.07%1.01M80.13M56.74K+596.49%
Dec 31, 2023DIMENSIONAL FUND ADVISORS LP1.9%923.53K73.41M31.21K+349.80%
Dec 31, 2023PRIMECAP MANAGEMENT CO/CA/1.62%790.04K62.8M151.42K+2,370.97%
Dec 31, 2023MORGAN STANLEY1.36%662.26K52.64M-68.01K-931.35%
Dec 31, 2023DRIEHAUS CAPITAL MANAGEMENT LLC1.21%588.85K46.81M99.29K+2,028.09%
Dec 31, 2023CAPITAL WORLD INVESTORS1.13%550.32K43.75M00
Dec 31, 2023RIVERBRIDGE PARTNERS LLC1.13%548.14K43.57M-10.35K-185.34%
Dec 31, 2023NORTHERN TRUST CORP1.12%542.71K43.14M-9.61K-173.98%
Dec 31, 2023NEW YORK STATE COMMON RETIREMENT FUND1.05%513.03K40.78M1.87K+36.52%
Dec 31, 2023LORD, ABBETT & CO. LLC0.99%482.82K38.38M-259.13K-3,492.51%
Dec 31, 2023LOOMIS SAYLES & CO L P0.9%436.26K34.68M436.26K+10,000.00%
Dec 31, 2023AMERICAN CENTURY COMPANIES INC0.87%424.19K33.72M-252.66K-3,732.88%
Dec 31, 2023BANK OF NEW YORK MELLON CORP0.84%410.62K32.64M-16.56K-387.62%
Dec 31, 2023CHARLES SCHWAB INVESTMENT MANAGEMENT INC0.81%392.24K31.18M5.45K+140.90%
Dec 31, 2023BANK OF AMERICA CORP /DE/0.76%371.35K29.52M-19.33K-494.82%
Dec 31, 2023NUVEEN ASSET MANAGEMENT, LLC0.76%370.65K29.46M9.87K+273.60%
Dec 31, 2023NORGES BANK0.74%362.4K28.81M362.4K+10,000.00%
Dec 31, 2023PRICE T ROWE ASSOCIATES INC /MD/0.64%313.92K24.96M287.74K+109,873.22%
Dec 31, 2023PRINCIPAL FINANCIAL GROUP INC0.61%297.47K23.65M-101.1K-2,536.63%
Dec 31, 2023D. E. SHAW & CO., INC.0.56%274.23K21.8M221.13K+41,643.47%
Dec 31, 2023ROYAL BANK OF CANADA0.52%252.37K20.06M17.14K+728.70%
Dec 31, 2023IRON TRIANGLE PARTNERS LP0.5%244.61K19.44M-185.39K-4,311.49%
Dec 31, 2023BRAIDWELL LP0.5%242.76K19.3M-453.03K-6,511.03%
Dec 31, 2023NOMURA HOLDINGS INC0.48%232.03K18.44M7.15K+317.76%
Dec 31, 2023MAN GROUP PLC0.44%211.75K16.83M211.75K+10,000.00%
Dec 31, 2023ADAGE CAPITAL PARTNERS GP, L.L.C.0.41%200K15.9M-250K-5,555.56%
Dec 31, 2023C WORLDWIDE GROUP HOLDING A/S0.41%197.21K15.68M00
Dec 31, 2023CUBIST SYSTEMATIC STRATEGIES, LLC0.39%189.52K15.06M189.52K+10,000.00%
Dec 31, 2023PURA VIDA INVESTMENTS, LLC0.37%178.5K14.19M178.5K+10,000.00%
Dec 31, 2023RENAISSANCE TECHNOLOGIES LLC0.34%165.69K13.17M122.2K+28,097.12%
Dec 31, 2023VOLORIDGE INVESTMENT MANAGEMENT, LLC0.34%165.39K13.15M40.56K+3,249.46%
Dec 31, 2023MONEY CONCEPTS CAPITAL CORP0.34%163.97K13.03M3.88K+242.05%
Dec 31, 2023BARCLAYS PLC0.34%163.9K13.03M117.86K+25,599.82%
Dec 31, 2023POLAR ASSET MANAGEMENT PARTNERS INC.0.31%152.8K12.15M152.8K+10,000.00%
Dec 31, 2023KEYBANK NATIONAL ASSOCIATION/OH0.29%142.44K11.32B154+10.82%
Dec 31, 2023RHUMBLINE ADVISERS0.28%138.06K10.97M-3.26K-230.95%
Dec 31, 2023LEGAL & GENERAL GROUP PLC0.28%134.37K10.68M-1.19K-87.71%
Dec 31, 2023BLACKROCK INC.16.22%7.89M627.52M-5.55K-7.02%
Dec 31, 2023FMR LLC11.96%5.82M462.56M2.34M+6,710.17%
Dec 31, 2023VANGUARD GROUP INC10.76%5.24M416.27M-3.28K-6.26%
Dec 31, 2023BROWN CAPITAL MANAGEMENT LLC5.54%2.7M214.45M89.42K+342.82%
Dec 31, 2023STATE STREET CORP3.73%1.82M144.43M51.1K+289.41%
Dec 31, 2023FRED ALGER MANAGEMENT, LLC3.38%1.65M130.77M-135.61K-761.55%
Dec 31, 2023JANUS HENDERSON GROUP PLC3.32%1.62M128.5M1.36K+8.40%

GKOS Insiders

Among the GKOS insiders holding of 3.19% of the stake in company, CALCATERRA CHRIS M., Chief Operating Officer, holds the largest shares of 211.02K. GILLIAM JOSEPH E, PRESIDENT & COO, is the second largest GKOS insider with ownership of 102.17K shares. NAVRATIL TOMAS, CHIEF DEVELOPMENT OFFICER, stands third with possession of 72.44K shares of that stake.

InsidersDesignationShares Held
CALCATERRA CHRIS M.Chief Operating Officer211.02K
GILLIAM JOSEPH EPRESIDENT & COO102.17K
NAVRATIL TOMASCHIEF DEVELOPMENT OFFICER72.44K
SILVERSTEIN JONATHANdirector66.79K
BURNS THOMAS WILLIAMCHAIRMAN & CEO55.84K
FOLEY MARK Jdirector54.25K
THURMAN ALEX R.SVP & CHIEF FINANCIAL OFFICER51.65K
STAPLEY MARCdirector34.08K
KLIMAN GILBERT Hdirector32.34K
WEISNER AIMEE Sdirector30.12K
LINK WILLIAM J PHDdirector16.04K

Buying/Selling by Insiders

DateInsiderTypeCostSharesValue ($)Shares Total
Feb 26, 2025FOLEY MARK JSALE120.7220.69K2.5M54.25K
Feb 14, 2025NAVRATIL TOMASSALE147.143.42K502.63K72.44K
Dec 20, 2024KLIMAN GILBERT HSALE150.2810K1.5M32.34K
Dec 20, 2024GILLIAM JOSEPH ESALE150.351.29K194.25K102.17K
Dec 11, 2024KLIMAN GILBERT HSALE144.012K288.02K32.34K
Oct 30, 2024GILLIAM JOSEPH ESALE138.972.28K316.16K102.17K
Sep 09, 2024KLIMAN GILBERT HSALE130.001K130K32.34K
Aug 21, 2024GILLIAM JOSEPH ESALE130.0358075.42K102.17K
Aug 15, 2024STAPLEY MARCSALE126.9158173.73K34.08K
Aug 08, 2024WEISNER AIMEE SSALE120.0025K3M30.12K
Jul 05, 2024GILLIAM JOSEPH ESALE121.392.25K273.13K101.85K
Jun 03, 2024GILLIAM JOSEPH ESALE114.7319021.8K101.85K
May 30, 2024KLIMAN GILBERT HSALE112.005K560K30.62K
May 15, 2024STAPLEY MARCSALE113.682K227.36K32.36K
May 10, 2024GILLIAM JOSEPH ESALE110.562.4K264.79K101.85K
May 10, 2024THURMAN ALEX R.SALE111.22374.12K51.65K
May 06, 2024GILLIAM JOSEPH ESALE110.3610511.59K101.85K
May 06, 2024THURMAN ALEX R.SALE110.26909.92K52K
May 02, 2024THURMAN ALEX R.SALE107.77424.53K52.09K
May 02, 2024GILLIAM JOSEPH ESALE107.5816517.75K101.85K
Apr 08, 2024GILLIAM JOSEPH ESALE102.13868.78K101.85K
Apr 08, 2024THURMAN ALEX R.SALE100.461.23K123.26K52.53K
Apr 05, 2024THURMAN ALEX R.SALE97.40272.63K53.9K
Apr 05, 2024GILLIAM JOSEPH ESALE96.812.46K237.86K101.85K
Apr 04, 2024GILLIAM JOSEPH ESALE96.5720019.31K101.85K
Apr 04, 2024THURMAN ALEX R.SALE95.1615815.04K54.17K
Apr 03, 2024GILLIAM JOSEPH ESALE96.6120019.32K101.85K
Apr 03, 2024THURMAN ALEX R.SALE94.6231629.9K54.6K
Apr 02, 2024THURMAN ALEX R.SALE92.74192.7454.92K
Mar 07, 2024KLIMAN GILBERT HSALE88.255K441.25K30.62K
Mar 06, 2024KLIMAN GILBERT HSALE84.935.2K441.81K0
Feb 29, 2024STAPLEY MARCSALE91.212.31K210.97K32.36K
Feb 27, 2024KLIMAN GILBERT HSALE92.008K736K8.35K
Feb 23, 2024FOLEY MARK JSALE92.874.56K423.49K33.22K
Feb 23, 2024GILLIAM JOSEPH ESALE93.054.09K380.76K98.39K
Feb 12, 2024GILLIAM JOSEPH ESALE96.801.51K146.36K119.8K
Feb 09, 2024GILLIAM JOSEPH ESALE96.7063161.02K119.8K
Feb 08, 2024GILLIAM JOSEPH ESALE96.075K480.35K119.8K
Feb 08, 2024THURMAN ALEX R.SALE96.0618117.39K54.04K
Feb 07, 2024THURMAN ALEX R.SALE95.00333.14K54.59K
Jan 29, 2024GILLIAM JOSEPH ESALE94.129.48K891.88K119.8K
Jan 22, 2024GILLIAM JOSEPH ESALE94.0152449.26K119.8K
Jan 18, 2024THURMAN ALEX R.SALE91.111009.11K54.62K
Jan 16, 2024GILLIAM JOSEPH ESALE89.174.89K436.04K119.8K
Jan 12, 2024GILLIAM JOSEPH ESALE89.011109.79K119.8K
Jan 09, 2024BURNS THOMAS WILLIAMSALE87.33373.23K55.84K
Jan 08, 2024BURNS THOMAS WILLIAMSALE84.213.9K328.42K55.84K
Jan 02, 2024BURNS THOMAS WILLIAMSALE78.498.15K639.69K55.84K
Dec 22, 2023BURNS THOMAS WILLIAMSALE85.32185.3255.84K
Dec 21, 2023BURNS THOMAS WILLIAMSALE85.2179.68K6.79M55.84K
Dec 21, 2023GILLIAM JOSEPH ESALE85.583.2K273.86K120K
Dec 21, 2023THURMAN ALEX R.SALE85.1458349.64K55.24K
Dec 15, 2023BURNS THOMAS WILLIAMSALE81.774.97K406.4K55.84K
Dec 15, 2023THURMAN ALEX R.SALE79.801.27K101.35K55.83K
Dec 14, 2023STAPLEY MARCSALE76.357.04K537.81K31.32K
Dec 14, 2023BURNS THOMAS WILLIAMSALE76.3612.31K940.14K55.84K
Oct 02, 2023BURNS THOMAS WILLIAMSALE74.3633224.69K54.79K
Aug 04, 2023KLIMAN GILBERT HSALE74.5610K745.6K29.73K
Jul 19, 2023BURNS THOMAS WILLIAMSALE80.0120016K673.96K
Jul 14, 2023GILLIAM JOSEPH ESALE78.3442.1K3.3M120.48K
Jul 14, 2023BURNS THOMAS WILLIAMSALE79.169.8K775.69K675.66K
Jul 12, 2023GILLIAM JOSEPH ESALE73.092.7K197.34K120.48K
Jul 10, 2023BURNS THOMAS WILLIAMSALE71.2332923.43K673.96K
Jul 07, 2023BURNS THOMAS WILLIAMSALE70.001339.31K673.96K
Jul 05, 2023BURNS THOMAS WILLIAMSALE70.025.03K351.99K673.96K
Jul 03, 2023BURNS THOMAS WILLIAMSALE70.273.83K269.13K673.96K
Jun 28, 2023BURNS THOMAS WILLIAMSALE70.1926.81K1.88M673.96K
Jun 08, 2023BURNS THOMAS WILLIAMSALE70.023.19K223.36K673.96K
Jun 07, 2023BURNS THOMAS WILLIAMSALE66.545K332.77K686.34K
Jun 06, 2023BURNS THOMAS WILLIAMSALE65.047.62K495.47K673.96K
Jun 02, 2023BURNS THOMAS WILLIAMSALE60.001428.52K673.96K
May 23, 2023BURNS THOMAS WILLIAMSALE60.007420673.96K
May 19, 2023BURNS THOMAS WILLIAMSALE60.21160.21673.96K
May 18, 2023BURNS THOMAS WILLIAMSALE60.1711.66K701.75K673.96K
May 17, 2023BURNS THOMAS WILLIAMSALE60.0462037.22K673.96K
May 16, 2023BURNS THOMAS WILLIAMSALE60.013.7K222.27K673.96K
May 15, 2023BURNS THOMAS WILLIAMSALE60.033.86K231.94K673.96K
Aug 04, 2022KLIMAN GILBERT HSALE53.013.36K178.23K0
May 06, 2021GILLIAM JOSEPH ESALE81.953.66K299.69K38.53K
May 03, 2021GILLIAM JOSEPH ESALE93.1813.99K1.3M58.75K
Mar 15, 2021GILLIAM JOSEPH ESALE87.885K439.4K42.8K
Feb 09, 2021GILLIAM JOSEPH ESALE96.4911.49K1.11M45.06K
Feb 01, 2021CALCATERRA CHRIS M.SALE86.6513.2K1.14M211.02K
Dec 01, 2020LINK WILLIAM J PHDSALE67.9649.4K3.36M16.04K
May 26, 2020BURNS THOMAS WILLIAMSALE39.19193.99K7.6M319.35K
May 20, 2020BURNS THOMAS WILLIAMSALE38.0540015.22K305.89K
Feb 12, 2020GILLIAM JOSEPH ESALE68.503.75K256.88K47.53K
Sep 30, 2019GILLIAM JOSEPH ESALE59.754.63K276.7K47.53K
Sep 12, 2019GILLIAM JOSEPH ESALE73.252.5K183.13K47.53K
Sep 10, 2019GILLIAM JOSEPH ESALE68.503.75K256.88K47.53K
Aug 26, 2019GILLIAM JOSEPH ESALE59.164.63K273.97K47.53K
Jul 22, 2019GILLIAM JOSEPH ESALE74.912.29K171.84K51.48K
Jun 17, 2019GILLIAM JOSEPH ESALE73.954.29K317.39K49.02K
Jun 12, 2019GILLIAM JOSEPH ESALE73.252.5K183.13K47.06K
May 16, 2019GILLIAM JOSEPH ESALE68.503.65K249.82K47.06K
May 13, 2019GILLIAM JOSEPH ESALE68.501037.06K47.06K
Mar 06, 2019CALCATERRA CHRIS M.SALE66.0211.8K779.1K154.8K
Mar 05, 2019CALCATERRA CHRIS M.SALE67.8946.66K3.17M193.34K
Feb 19, 2019GILLIAM JOSEPH ESALE70.035K350.15K75.69K
Nov 28, 2018GILLIAM JOSEPH ESALE60.035K300.15K86.12K
Nov 26, 2018GILLIAM JOSEPH ESALE58.372.1K122.58K91.12K
Nov 15, 2018LINK WILLIAM J PHDSALE57.3725.73K1.48M41.78K
Nov 13, 2018LINK WILLIAM J PHDSALE58.0114.48K839.69K76K
Aug 30, 2018KLIMAN GILBERT HSALE62.392.76K172.2K4.63K
Aug 29, 2018KLIMAN GILBERT HSALE60.38500K30.19M518.36K
Aug 07, 2018BURNS THOMAS WILLIAMSALE39.2739.1K1.54M289.26K
Aug 06, 2018BURNS THOMAS WILLIAMSALE37.2019.45K723.35K356.68K
Aug 02, 2018CALCATERRA CHRIS M.SALE44.3134.36K1.52M244.62K
Jun 20, 2018CALCATERRA CHRIS M.SALE44.032.47K108.75K240K
Jun 19, 2018CALCATERRA CHRIS M.SALE44.017.76K341.47K240K
Jun 15, 2018CALCATERRA CHRIS M.SALE44.018.77K386.01K240K
Mar 06, 2018SILVERSTEIN JONATHANSALE30.0193.01K2.79M66.79K
Mar 05, 2018SILVERSTEIN JONATHANSALE32.05128.09K4.11M240.31K
Mar 02, 2018SILVERSTEIN JONATHANSALE31.92265.77K8.48M562.84K

Insider Transaction Summary (6 Months)

SHARESTRANS
PURCHASE00
SALES39.67K6
NET SHARES-39.67K6
NO. OF SHARES HELD395.7K6
% NET SHARES-110.03%0%
Created with Highcharts 10.3.3TransactionsShares0​039 670​39 67039 670​39 670395 696​395 6960​06​66​66​6TransactionsSharesPurchasesSalesNet SharesNo. of Shares Held0204060801000100k200k300k400k500k

Frequently Asked Questions

How many institutions own GKOS stock?
A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own GKOS shares is 433, representing 101.04% of the company's common stock.
Who are the major shareholders selling Glaukos Corporation stock?
BANK OF AMERICA CORP /DE/, in the last quarter, reduced its stake in GKOS by -21.91% restricting it's holding to 290 thousand shares of worth nearly $27.34M. BROWN CAPITAL MANAGEMENT LLC also lessened -20.94% of the GKOS shares from its portfolio, reducing its holding to 2.13 million shares of worth $201.11M. LOOMIS SAYLES & CO L P also shunned GKOS shares holding by -2.64% last quarter which brought its holding to 424.72 thousand shares worth $40.05M.
Investors who are buying GKOS stock?
As per its latest 13F filing, LISANTI CAPITAL GROWTH, LLC increased its stake in GKOS by 100% in the last quarter. The institutional holder raised its holding to 42.1 thousand shares having worth more than $3.97M. BLACKROCK INC. also added 0.03% more shares of GKOS to its portfolio, raising its holding to 7.9 million shares of worth $744.61M. FMR LLC also increased its GKOS shares holding by 26.43% which brought its holding to 7.36 million shares worth $693.68M.
GKOS's major insiders: who are they?
The insider with the most stakes in GKOS is Calcaterra Chris M. , Chief Operating Officer at the company. Additionally, GKOS stock is highly held by PRESIDENT & COO Gilliam Joseph E and CHIEF DEVELOPMENT OFFICER Navratil Tomas among others.
Did an insider recently sell GKOS stock?
Company executives, directors, and other insiders own 3.19% percent of Glaukos Corporation's stock. Within the last six months, there have been 6 transaction(s) in which GKOS insiders have sold stock, totaling 39.67K shares. Insiders that have sold shares include FOLEY MARK J, NAVRATIL TOMAS, and KLIMAN GILBERT H.
Which insider recently purchased GKOS stock?
There have been 0 transaction(s) during the past 6-months in which Glaukos Corporation insiders have bought stock, totalling 0 shares
How much of GKOS does insiders own?
Around 395.7K Glaukos Corporation shares are held by insiders, which represents about 3.19% of GKOS stock.
Who is the insider with the largest stake?
GKOS Chief Operating Officer, Calcaterra Chris M. holds the largest portfolio of the company's shares. GKOS shares owned by Calcaterra total nearly 211.02 thousand.
Which institution holds the most shares in GKOS?
BANK OF AMERICA CORP /DE/ is the largest institutional owner in GKOS which holds 290 thousand shares worth $27.34M or 0.59% of the total GKOS shares outstanding followed by LISANTI CAPITAL GROWTH, LLC with ownership of 42.1 thousand shares representing 0.09% of the GKOS ownership. BLACKROCK INC. is the third largest stakeholder with 7.9 million shares or 16.16% of the ownership worth more than $744.61M.
Is Glaukos Corporation stock optionable?
Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the GKOS is concerned, it is a stock which is optionable.
Is there a short position on GKOS's shares?
Number of GKOS shares short is 3.04M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.
About how many outstanding GKOS shares are there?
As of today, 55.14M shares of GKOS are outstanding.
Is there many float in GKOS stock?
Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, GKOS has 53.34M shares in float.
GKOS short ratio: what is it?
Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for GKOS is 4.86.
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