SIGA 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 SIGA shares is 239, representing 52.81% of the company's common stock.

ROYCE & ASSOCIATES LP, in the last quarter, reduced its stake in SIGA by -38.86% restricting it's holding to 1.07 million shares of worth nearly $9.19M. AMERIPRISE FINANCIAL INC also lessened -2.13% of the SIGA shares from its portfolio, reducing its holding to 281.52 thousand shares of worth $2.41M. AMERICAN CENTURY COMPANIES INC also shunned SIGA shares holding by -3.67% last quarter which brought its holding to 239.67 thousand shares worth $2.05M.

As per its latest 13F filing, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP increased its stake in SIGA by 100% in the last quarter. The institutional holder raised its holding to 587.57 thousand shares having worth more than $5.03M. MORGAN STANLEY also added 44.75% more shares of SIGA to its portfolio, raising its holding to 583.14 thousand shares of worth $4.99M. UNIPLAN INVESTMENT COUNSEL, INC. also increased its SIGA shares holding by 0.35% which brought its holding to 573.7 thousand shares worth $4.91M.

The insider with the most stakes in SIGA is MacAndrews & Forbes Holdings Inc. , at the company. Additionally, SIGA stock is highly held by Chief Executive Officer ROSE ERIC A MD and Gomez Phillip Louis III among others.

Company executives, directors, and other insiders own 43.24% percent of SIGA Technologies, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which SIGA insiders have sold stock, totaling 0 shares. Insiders that have sold shares include ANTAL JAMES, HRUBY DENNIS E, and ROSE ERIC A MD.

There have been 0 transaction(s) during the past 6-months in which SIGA Technologies, Inc. insiders have bought stock, totalling 0 shares

Around 0 SIGA Technologies, Inc. shares are held by insiders, which represents about 43.24% of SIGA stock.

SIGA , MacAndrews & Forbes Holdings Inc. holds the largest portfolio of the company's shares. SIGA shares owned by MacAndrews total nearly 13.51 million.

LOS ANGELES CAPITAL MANAGEMENT LLC is the largest institutional owner in SIGA which holds 132.44 thousand shares worth $1.13M or 0.19% of the total SIGA shares outstanding followed by ROYCE & ASSOCIATES LP with ownership of 1.07 million shares representing 1.5% of the SIGA ownership. ARROWSTREET CAPITAL, LIMITED PARTNERSHIP is the third largest stakeholder with 587.57 thousand shares or 0.82% of the ownership worth more than $5.03M.

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

Number of SIGA shares short is 3.49M. 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, 71.40M shares of SIGA 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, SIGA has 40.36M 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 SIGA is 7.03.