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Siga Technologies (SIGA) Institutional Ownership

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$7.26 +0.66 (+10.00%)
Closing price 08/6/2025 04:00 PM Eastern
Extended Trading
$7.20 -0.05 (-0.76%)
As of 06:52 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Siga Technologies (NASDAQ:SIGA)

Current
Institutional Ownership
Percentage
55.40%
Number of
Institutional Buyers
(last 12 months)
82
Total
Institutional Inflows
(last 12 months)
$52.50M
Number of
Institutional Sellers
(last 12 months)
39
Total
Institutional Outflows
(last 12 months)
$24.34M
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SIGA Institutional Buying and Selling by Quarter

Siga Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/30/2025 Freedom Investment Management Inc.16,799$110K0.0%-27.8%0.024%
7/30/2025 DekaBank Deutsche Girozentrale5,160$34K0.0%N/A0.007%
7/25/2025 Vanguard Personalized Indexing Management LLC21,432$140K0.0%+44.7%0.030%
7/22/2025 DAVENPORT & Co LLC50,000$326K0.0%+150.0%0.070%
7/21/2025 Washington Growth Strategies LLC26,216$171K0.1%N/A0.037%
7/17/2025 SummerHaven Investment Management LLC98,525$642K0.4%+2.4%0.138%
7/15/2025 Significant Wealth Partners LLC43,721$285K0.1%+27.6%0.061%
7/15/2025 Public Employees Retirement System of Ohio18,900$123K0.0%N/A0.026%
7/14/2025 Kapitalo Investimentos Ltda28,089$183K0.0%N/A0.039%
7/10/2025 Wealth Enhancement Advisory Services LLC58,892$394K0.0%N/A0.082%
7/9/2025 Harbor Capital Advisors Inc.136,457$890K0.0%-38.5%0.191%
6/27/2025Goldman Sachs Group Inc.283,196$1.55M0.0%-17.1%0.396%
6/18/2025Voya Investment Management LLC13,065$72K0.0%-11.6%0.018%
5/28/2025 Strs Ohio30,200$165K0.0%N/A0.042%
5/19/2025Jane Street Group LLC114,147$626K0.0%+138.4%0.160%
5/16/2025 Ashton Thomas Private Wealth LLC58,737$322K0.0%-16.4%0.082%
5/16/2025Goldman Sachs Group Inc.283,196$1.55M0.0%-17.1%0.396%
5/16/2025Teza Capital Management LLC11,141$61K0.0%-71.7%0.016%
5/16/2025Uniplan Investment Counsel Inc.504,561$2.77M0.3%+0.7%0.706%
5/15/2025EP Wealth Advisors LLC20,018$110K0.0%+44.1%0.028%
5/15/2025State of Wyoming87,203$478K0.1%+90.9%0.122%
5/14/2025Hotchkis & Wiley Capital Management LLC3,158,320$17.31M0.1%+52.9%4.421%
5/14/2025Martingale Asset Management L P86,157$472K0.0%+3.2%0.121%
5/14/2025First Wilshire Securities Management Inc.1,586,849$8.70M2.5%-33.2%2.221%
5/14/2025Wellington Management Group LLP182,328$999K0.0%+51.7%0.255%
5/13/2025American Century Companies Inc.1,370,660$7.51M0.0%+7.8%1.919%
5/13/2025Russell Investments Group Ltd.9,925$54K0.0%+6,344.8%0.014%
5/12/2025Nuveen LLC148,721$815K0.0%N/A0.208%
5/9/2025Deutsche Bank AG36,665$201K0.0%-12.3%0.051%
5/9/2025Charles Schwab Investment Management Inc.360,784$1.98M0.0%-21.9%0.505%
5/7/2025 Corton Capital Inc.10,594$58K0.2%N/A0.015%
5/6/2025Royce & Associates LP758,676$4.16M0.0%-10.1%1.062%
5/5/2025 Allianz Asset Management GmbH45,200$248K0.0%-9.8%0.063%
5/5/2025 Denali Advisors LLC390,530$2.14M0.2%+3.2%0.547%
5/5/2025Foundry Partners LLC447,783$2.45M0.1%+1.4%0.627%
5/2/2025Victory Capital Management Inc.280,041$1.54M0.0%-9.2%0.392%
4/30/2025Cerity Partners LLC21,797$119K0.0%N/A0.031%
4/30/2025 Significant Wealth Partners LLC34,269$188K0.1%+21.4%0.048%
4/30/2025 Linden Thomas Advisory Services LLC26,230$144K0.0%+8.0%0.037%
4/28/2025 DAVENPORT & Co LLC20,000$110K0.0%-36.5%0.028%
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4/17/2025 Exchange Traded Concepts LLC44,631$245K0.0%-9.2%0.062%
4/16/2025 SummerHaven Investment Management LLC96,208$527K0.4%+2.6%0.135%
4/14/2025 Harbor Capital Advisors Inc.222,012$1.22M0.1%+31.8%0.311%
3/24/2025Wellington Management Group LLP120,225$723K0.0%+7.2%0.168%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC134,382$808K0.0%+28.1%0.188%
2/17/2025Teza Capital Management LLC39,373$237K0.0%-9.9%0.055%
2/17/2025State of Wyoming45,668$274K0.0%+163.5%0.064%
2/17/2025Sherbrooke Park Advisers LLC13,762$83K0.0%N/A0.019%
2/17/2025ProShare Advisors LLC16,424$99K0.0%+26.6%0.023%
2/17/2025Deutsche Bank AG41,804$251K0.0%+53.3%0.059%
2/17/2025D. E. Shaw & Co. Inc.592,660$3.56M0.0%-12.9%0.830%
2/17/2025EP Wealth Advisors LLC13,887$83K0.0%+14.5%0.019%
2/17/2025Bank of America Corp DE27,220$164K0.0%-93.1%0.038%
2/17/2025BNP Paribas Financial Markets6,375$38K0.0%-43.7%0.009%
2/17/2025Ameriprise Financial Inc.55,752$335K0.0%-13.8%0.078%
2/14/2025Northern Trust Corp464,808$2.79M0.0%+6.0%0.651%
2/14/2025Oxford Asset Management LLP33,735$203K0.1%N/A0.047%
2/14/2025Price T Rowe Associates Inc. MD40,005$241K0.0%+26.1%0.056%
2/14/2025Uniplan Investment Counsel Inc.500,989$3.01M0.3%-1.1%0.702%
2/14/2025State of Tennessee Department of Treasury30,829$185K0.0%N/A0.043%
2/14/2025Dimensional Fund Advisors LP2,126,065$12.78M0.0%+11.4%2.978%
2/13/2025Barclays PLC87,978$528K0.0%+13.1%0.123%
2/13/2025LSV Asset Management161,988$974K0.0%+52.3%0.227%
2/13/2025Martingale Asset Management L P83,473$502K0.0%+27.6%0.117%
2/13/2025Renaissance Technologies LLC417,436$2.51M0.0%+237.7%0.585%
2/13/2025Legal & General Group Plc59,944$360K0.0%+12.6%0.084%
2/13/2025Invesco Ltd.121,280$729K0.0%-9.3%0.170%
2/13/2025Federated Hermes Inc.360,931$2.17M0.0%+2.6%0.506%
2/13/2025Aviva PLC94,165$566K0.0%+25.1%0.132%
2/13/2025Dynamic Technology Lab Private Ltd13,037$78K0.0%N/A0.018%
2/13/2025Wells Fargo & Company MN23,604$142K0.0%+29.7%0.033%
2/12/2025Foundry Partners LLC441,729$2.66M0.1%+6.5%0.619%
2/12/2025ExodusPoint Capital Management LP44,017$265K0.0%N/A0.062%
2/12/2025First Wilshire Securities Management Inc.2,374,336$14.27M3.8%-2.6%3.325%
2/12/2025Geode Capital Management LLC1,132,397$6.81M0.0%+1.8%1.586%
2/12/2025AltraVue Capital LLC2,639,524$15.86M1.3%+14.1%3.697%
2/12/2025Franklin Resources Inc.74,596$448K0.0%+62.2%0.104%
2/12/2025Wellington Management Group LLP120,225$723K0.0%+7.2%0.168%
2/12/2025O Shaughnessy Asset Management LLC16,010$96K0.0%-64.1%0.022%
2/12/2025Arrowstreet Capital Limited Partnership431,773$2.60M0.0%-46.5%0.605%
2/12/2025JPMorgan Chase & Co.27,298$164K0.0%-61.2%0.038%
2/12/2025WINTON GROUP Ltd101,644$611K0.0%-30.4%0.142%
2/11/2025Segall Bryant & Hamill LLC314,035$1.89M0.0%-3.4%0.440%
2/11/2025Prudential Financial Inc.188,970$1.14M0.0%+69.4%0.265%
2/11/2025Corebridge Financial Inc.23,026$138K0.0%-7.0%0.032%
2/11/2025 KLP Kapitalforvaltning AS81,200$488K0.0%N/A0.114%
2/11/2025American Century Companies Inc.1,271,972$7.65M0.0%+9.9%1.781%
2/11/2025 Teacher Retirement System of Texas12,829$77K0.0%+19.9%0.018%
2/10/2025Royce & Associates LP844,320$5.07M0.0%-1.7%1.183%
2/10/2025Vestcor Inc48,177$290K0.0%N/A0.067%
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2/7/2025 Ashton Thomas Private Wealth LLC70,292$422K0.0%N/A0.098%
2/6/2025Victory Capital Management Inc.308,498$1.85M0.0%+19.0%0.432%
2/6/2025Charles Schwab Investment Management Inc.462,188$2.78M0.0%-8.9%0.647%
2/5/2025Bailard Inc.18,800$113K0.0%+31.5%0.026%
2/4/2025 Denali Advisors LLC378,544$2.28M0.2%+58.3%0.530%
2/4/2025Los Angeles Capital Management LLC87,843$528K0.0%-16.5%0.123%
2/4/2025 Bank of New York Mellon Corp289,712$1.74M0.0%+52.4%0.406%
1/31/2025New York State Common Retirement Fund589,620$3.54M0.0%+19.1%0.826%
1/31/2025Principal Financial Group Inc.23,927$144K0.0%+8.1%0.034%
1/29/2025Legato Capital Management LLC532,441$3.20M0.4%+14.1%0.746%
(Data available from 1/1/2016 forward)

SIGA Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SIGA shares?

During the previous two years, 126 institutional investors and hedge funds held shares of Siga Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($19.55M), Hotchkis & Wiley Capital Management LLC ($17.31M), AltraVue Capital LLC ($15.86M), Van Lanschot Kempen Investment Management N.V. ($13.04M), Dimensional Fund Advisors LP ($12.78M), First Wilshire Securities Management Inc. ($8.70M), and American Century Companies Inc. ($7.51M).Learn more on Siga Technologies' institutional investors.

What percentage of Siga Technologies' stock is owned by institutional investors?

55.40% of Siga Technologies' stock is owned by institutional investors. Learn more on SIGA's institutional investor holdings.

Which institutional investors have been buying Siga Technologies' stock?

Of the 103 institutional investors that purchased Siga Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hotchkis & Wiley Capital Management LLC ($2.33M), First Wilshire Securities Management Inc. ($927.22K), American Century Companies Inc. ($815.05K), General American Investors Co. Inc. ($592.04K), Legato Capital Management LLC ($503.16K), AltraVue Capital LLC ($461.08K), and Foundry Partners LLC ($447.78K).

How much institutional buying is happening at Siga Technologies?

Institutional investors have bought a total of 8,161,277 shares in the last 24 months. This purchase volume represents approximately $52.50M in transactions.

Which of Siga Technologies' major shareholders have been selling company stock?

Of the 39 institutional investors that sold Siga Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Wilshire Securities Management Inc. ($851.78K), Federated Hermes Inc. ($561.85K), Arrowstreet Capital Limited Partnership ($375.06K), Bank of America Corp DE ($367.68K), Marshall Wace LLP ($234.24K), General American Investors Co. Inc. ($206.91K), and Allspring Global Investments Holdings LLC ($180.05K).

How much institutional selling is happening at Siga Technologies?

Institutional investors have sold a total of 3,869,432 shares in the last 24 months. This volume of shares sold represents approximately $24.34M in transactions.


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This page (NASDAQ:SIGA) was last updated on 8/7/2025 by MarketBeat.com Staff
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