ABIO Stock Ownership Breakdown

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 ABIO shares is 33, representing 101.46% of the company's common stock.

BLACKROCK INC., in the last quarter, reduced its stake in ABIO by -0.29% restricting it's holding to 231.24 thousand shares of worth nearly $406.98K. ADVISOR GROUP HOLDINGS, INC. also lessened -100% of the ABIO shares from its portfolio, reducing its holding to 0 shares of worth -. UBS GROUP AG also shunned ABIO shares holding by -100% last quarter which brought its holding to 0 shares worth -.

As per its latest 13F filing, BANK OF AMERICA CORP /DE/ increased its stake in ABIO by 309.3% in the last quarter. The institutional holder raised its holding to 176 shares having worth more than $310.00. FMR LLC also added 100% more shares of ABIO to its portfolio, raising its holding to 201 shares of worth $358.00. JPMORGAN CHASE & CO also increased its ABIO shares holding by 12.5% which brought its holding to 18 shares worth $32.00.

The insider with the most stakes in ABIO is Ma-Weaver Jacob , at the company. Additionally, ABIO stock is highly held by 10 percent owner JANUS HENDERSON GROUP PLC and 10 percent owner mccormack riley among others.

Company executives, directors, and other insiders own 1.29% percent of ARCA biopharma, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which ABIO insiders have sold stock, totaling 0 shares. Insiders that have sold shares include MA-WEAVER JACOB, KEUER THOMAS A, and SELBY BRIAN L..

There have been 1 transaction(s) during the past 6-months in which ARCA biopharma, Inc. insiders have bought stock, totalling 5390 shares

Around 2.12M ARCA biopharma, Inc. shares are held by insiders, which represents about 1.29% of ABIO stock.

ABIO , Ma-Weaver Jacob holds the largest portfolio of the company's shares. ABIO shares owned by Ma-Weaver total nearly 2.52 million.

BLACKROCK INC. is the largest institutional owner in ABIO which holds 231.24 thousand shares worth $406.98K or 1.6% of the total ABIO shares outstanding followed by VANGUARD GROUP INC with ownership of 453.6 thousand shares representing 3.15% of the ABIO ownership. ADVISOR GROUP HOLDINGS, INC. is the third largest stakeholder with 0 shares or 0% of the ownership worth more than -.

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 ABIO is concerned, it is a stock which is optionable.

Number of ABIO shares short is 4.99M. 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.

As of today, 1.21M shares of ABIO are outstanding.

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, ABIO has 4.79M shares in float.

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 ABIO is 62.38.