Free Trial
Tada emoji MarketBeat All Access — Now Just $5.00 for 5 Weeks

Siga Technologies (SIGA) Institutional Ownership

Siga Technologies logo
$8.78 -0.52 (-5.59%)
Closing price 04:00 PM Eastern
Extended Trading
$8.68 -0.10 (-1.20%)
As of 07:49 PM 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.
Compare

Institutional Ownership Changes (13F Filings) for Siga Technologies (NASDAQ:SIGA)

Current
Institutional Ownership
Percentage
55.40%
Number of
Institutional Buyers
(last 12 months)
86
Total
Institutional Inflows
(last 12 months)
$46.07M
Number of
Institutional Sellers
(last 12 months)
43
Total
Institutional Outflows
(last 12 months)
$22.03M
Get SIGA Insider Trade Alerts

Want to know when executives and insiders are buying or selling Siga Technologies stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

SIGA Institutional Buying and Selling by Quarter

Siga Technologies Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/13/2025Cresset Asset Management LLC30,097$196K0.0%+5.5%0.042%
8/13/2025Walleye Capital LLC49,080$320K0.0%N/A0.069%
8/13/2025First Trust Advisors LP150,913$984K0.0%+5.5%0.211%
8/13/2025Invesco Ltd.109,628$715K0.0%-9.2%0.153%
8/13/2025Arrowstreet Capital Limited Partnership578,781$3.77M0.0%-2.4%0.808%
8/13/2025New York State Common Retirement Fund593,050$3.87M0.0%+0.6%0.828%
8/13/2025Russell Investments Group Ltd.15,637$102K0.0%+57.6%0.022%
8/12/2025 American Century Companies Inc.1,405,174$9.16M0.0%+2.5%1.962%
8/12/2025 Segall Bryant & Hamill LLC282,345$1.84M0.0%-9.7%0.394%
8/12/2025 Legal & General Group Plc53,094$346K0.0%-10.7%0.074%
8/12/2025 JPMorgan Chase & Co.24,988$163K0.0%-19.0%0.035%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH14,615$95K0.0%N/A0.020%
8/8/2025 Intech Investment Management LLC22,956$150K0.0%-24.5%0.032%
8/8/2025 Creative Planning34,546$225K0.0%-8.3%0.048%
8/8/2025 Bailard Inc.11,900$78K0.0%N/A0.017%
8/8/2025 Geode Capital Management LLC997,948$6.51M0.0%-4.9%1.394%
8/7/2025 ProShare Advisors LLC11,089$72K0.0%-16.3%0.016%
8/7/2025 CSM Advisors LLC358,257$2.34M0.1%N/A0.501%
8/7/2025 Campbell & CO Investment Adviser LLC198,413$1.29M0.1%+413.6%0.278%
8/7/2025Aviva PLC51,144$333K0.0%-51.7%0.072%
8/7/2025 Los Angeles Capital Management LLC160,853$1.05M0.0%-43.7%0.225%
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%
Alex’s “Next Magnificent Seven” stocks (Ad)

The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.

Watch the “Next Magnificent Seven” presentation here
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%
5/14/2025 Martingale 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%
5/13/2025 American 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%
5/12/2025 Nuveen LLC148,721$815K0.0%N/A0.208%
5/9/2025 Deutsche Bank AG36,665$201K0.0%-12.3%0.051%
5/9/2025 Charles 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%
5/6/2025 Royce & 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%
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%
2/17/2025 ProShare Advisors LLC16,424$99K0.0%+26.6%0.023%
2/17/2025 Deutsche 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%
2/14/2025 Dimensional Fund Advisors LP2,126,065$12.78M0.0%+11.4%2.978%
2/13/2025Barclays PLC87,978$528K0.0%+13.1%0.123%
2/13/2025 LSV Asset Management161,988$974K0.0%+52.3%0.227%
2/13/2025 Martingale Asset Management L P83,473$502K0.0%+27.6%0.117%
2/13/2025Renaissance Technologies LLC417,436$2.51M0.0%+237.7%0.585%
2/13/2025 Legal & 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%
Alex’s “Next Magnificent Seven” stocks (Ad)

The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Magnificent Seven—seven stocks he believes could deliver similar gains in under six years. His full breakdown is now live.

Watch the “Next Magnificent Seven” presentation here
2/13/2025 Dynamic 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%
2/12/2025 Geode Capital Management LLC1,132,397$6.81M0.0%+1.8%1.586%
2/12/2025 AltraVue Capital LLC2,639,524$15.86M1.3%+14.1%3.697%
2/12/2025 Franklin Resources Inc.74,596$448K0.0%+62.2%0.104%
2/12/2025Wellington Management Group LLP120,225$723K0.0%+7.2%0.168%
2/12/2025 O Shaughnessy Asset Management LLC16,010$96K0.0%-64.1%0.022%
(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, 131 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), American Century Companies Inc. ($9.16M), and First Wilshire Securities Management Inc. ($8.70M).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 107 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. ($849.56K), 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 7,405,679 shares in the last 24 months. This purchase volume represents approximately $46.07M in transactions.

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

Of the 42 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), Arrowstreet Capital Limited Partnership ($389.55K), Bank of America Corp DE ($367.68K), Marshall Wace LLP ($234.24K), General American Investors Co. Inc. ($206.91K), Allspring Global Investments Holdings LLC ($180.05K), and Los Angeles Capital Management LLC ($154.04K).

How much institutional selling is happening at Siga Technologies?

Institutional investors have sold a total of 3,609,087 shares in the last 24 months. This volume of shares sold represents approximately $22.03M in transactions.


Related Companies

This page (NASDAQ:SIGA) was last updated on 8/13/2025 by MarketBeat.com Staff
From Our Partners
Trump’s national nightmare is here
Porter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...
Porter & Company | Sponsored
Alex’s “Next Magnificent Seven” stocks
The original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...
The Oxford Club | Sponsored
INVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting Off
Right now, we’re witnessing a monumental shift in the world.
Traders Agency | Sponsored
Elon’s Secret Social Security Bombshell
To All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...
Banyan Hill Publishing | Sponsored
Critical AI announcement set to ignite AI 2.0
I just put together an urgent new presentation that you need to see right away. In short: I believe we are...
Timothy Sykes | Sponsored
BONUS GUIDE - Ben Stein Prepares For the Next Financial Crisis
With inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...
Goldco Precious Metals | Sponsored
New Federal Land Rush About to Start?
A $100 Trillion Wealth Shift Is Already Underway Lithium. Oil. Gold. Trillions in U.S. resources are being ...
Stansberry Research | Sponsored
Crypto Income (almost instantly)
How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...
Awesomely, LLC | Sponsored