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Siga Technologies (SIGA) Institutional Ownership

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$8.44 +0.16 (+1.93%)
Closing price 04:00 PM Eastern
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$8.46 +0.02 (+0.18%)
As of 05:34 PM Eastern
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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)
93
Total
Institutional Inflows
(last 12 months)
$49.26M
Number of
Institutional Sellers
(last 12 months)
45
Total
Institutional Outflows
(last 12 months)
$26.16M
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SIGA Institutional Buying and Selling by Quarter

Siga Technologies Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/26/2025Corient Private Wealth LLC14,097$92K0.0%+16.4%0.020%
8/22/2025Cim Investment Management Inc.50,635$317K0.1%+100.7%0.071%
8/19/2025State of Wyoming40,302$263K0.0%-53.8%0.056%
8/15/2025Tower Research Capital LLC TRC 6,817$44K0.0%+116.6%0.010%
8/15/2025Corient Private Wealth LLC28,194$184K0.0%+132.8%0.039%
8/15/2025State of Tennessee Department of Treasury30,708$200K0.0%-39.5%0.043%
8/15/2025Oxford Asset Management LLP27,112$177K0.1%N/A0.038%
8/15/2025BNP Paribas Financial Markets4,661$30K0.0%+34.1%0.007%
8/15/2025Bridgeway Capital Management LLC111,568$727K0.0%N/A0.156%
8/15/2025Brevan Howard Capital Management LP28,936$189K0.0%N/A0.040%
8/15/2025Bank of America Corp DE405,730$2.65M0.0%+143.2%0.567%
8/15/2025Ameriprise Financial Inc.266,905$1.74M0.0%+34.8%0.373%
8/14/2025Jane Street Group LLC98,233$640K0.0%-13.9%0.137%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,480$147K0.0%-18.5%0.031%
8/14/2025The Manufacturers Life Insurance Company 15,664$102K0.0%-9.4%0.022%
8/14/2025Sei Investments Co.30,420$198K0.0%N/A0.042%
8/14/2025First Wilshire Securities Management Inc.697,209$4.55M1.2%-56.1%0.974%
8/14/2025Federated Hermes Inc.362,961$2.37M0.0%+0.6%0.507%
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%
8/12/2025American Century Companies Inc.1,405,174$9.16M0.0%+2.5%1.962%
8/12/2025Segall Bryant & Hamill LLC282,345$1.84M0.0%-9.7%0.394%
8/12/2025Legal & General Group Plc53,094$346K0.0%-10.7%0.074%
8/12/2025JPMorgan Chase & Co.24,988$163K0.0%-19.0%0.035%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH14,615$95K0.0%N/A0.020%
8/8/2025Intech Investment Management LLC22,956$150K0.0%-24.5%0.032%
8/8/2025Creative Planning34,546$225K0.0%-8.3%0.048%
8/8/2025Bailard Inc.11,900$78K0.0%N/A0.017%
8/8/2025Geode Capital Management LLC997,948$6.51M0.0%-4.9%1.394%
8/7/2025ProShare Advisors LLC11,089$72K0.0%-16.3%0.016%
8/7/2025CSM Advisors LLC358,257$2.34M0.1%N/A0.501%
8/7/2025Campbell & CO Investment Adviser LLC198,413$1.29M0.1%+413.6%0.278%
8/7/2025Aviva PLC51,144$333K0.0%-51.7%0.072%
8/7/2025Los Angeles Capital Management LLC160,853$1.05M0.0%-43.7%0.225%
7/30/2025Freedom Investment Management Inc.16,799$110K0.0%-27.8%0.024%
7/30/2025DekaBank Deutsche Girozentrale5,160$34K0.0%N/A0.007%
7/25/2025Vanguard Personalized Indexing Management LLC21,432$140K0.0%+44.7%0.030%
7/22/2025DAVENPORT & Co LLC50,000$326K0.0%+150.0%0.070%
7/21/2025Washington Growth Strategies LLC26,216$171K0.1%N/A0.037%
7/17/2025SummerHaven Investment Management LLC98,525$642K0.4%+2.4%0.138%
7/15/2025Significant Wealth Partners LLC43,721$285K0.1%+27.6%0.061%
7/15/2025Public Employees Retirement System of Ohio18,900$123K0.0%N/A0.026%
7/14/2025Kapitalo Investimentos Ltda28,089$183K0.0%N/A0.039%
7/10/2025Wealth Enhancement Advisory Services LLC58,892$394K0.0%N/A0.082%
7/9/2025Harbor 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%
5/28/2025Strs Ohio30,200$165K0.0%N/A0.042%
5/19/2025Jane Street Group LLC114,147$626K0.0%+138.4%0.160%
5/16/2025Ashton 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%
5/7/2025Corton Capital Inc.10,594$58K0.2%N/A0.015%
5/6/2025Royce & Associates LP758,676$4.16M0.0%-10.1%1.062%
5/5/2025Allianz Asset Management GmbH45,200$248K0.0%-9.8%0.063%
5/5/2025Denali 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%
4/30/2025Significant Wealth Partners LLC34,269$188K0.1%+21.4%0.048%
4/30/2025Linden Thomas Advisory Services LLC26,230$144K0.0%+8.0%0.037%
4/28/2025DAVENPORT & Co LLC20,000$110K0.0%-36.5%0.028%
4/17/2025Exchange Traded Concepts LLC44,631$245K0.0%-9.2%0.062%
4/16/2025SummerHaven Investment Management LLC96,208$527K0.4%+2.6%0.135%
4/14/2025Harbor 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%
(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, 135 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 State Street Corp ($7.41M).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 112 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), AltraVue Capital LLC ($461.08K), Foundry Partners LLC ($447.78K), and Denali Advisors LLC ($390.44K).

How much institutional buying is happening at Siga Technologies?

Institutional investors have bought a total of 7,901,799 shares in the last 24 months. This purchase volume represents approximately $49.26M in transactions.

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

Of the 45 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. ($1.74M), Arrowstreet Capital Limited Partnership ($389.55K), Bank of America Corp DE ($367.68K), General American Investors Co. Inc. ($206.91K), Allspring Global Investments Holdings LLC ($180.05K), Los Angeles Capital Management LLC ($154.04K), and Charles Schwab Investment Management Inc. ($146.48K).

How much institutional selling is happening at Siga Technologies?

Institutional investors have sold a total of 4,291,397 shares in the last 24 months. This volume of shares sold represents approximately $26.16M in transactions.



This page (NASDAQ:SIGA) was last updated on 10/9/2025 by MarketBeat.com Staff
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