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Siga Technologies Inc

SIGA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001010086

No open-market purchases or sales by Siga Technologies Inc insiders were filed in the last 90 days; 160 institutions reported holding it in 13F filings for Q2 2026, worth $126.9M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Siga Technologies Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
178
+13 vs. Q1 2025
Shares held
34.5M
−202.0K (−0.6%) vs. Q1 2025
Total value
$224.8M
+$34.7M (+18.3%) vs. Q1 2025
New holders
35
62 more added
Sold out
22
52 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SIGA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 178 institutions
Q1 2021: 105 institutionsQ2 2021: 102 institutionsQ3 2021: 104 institutionsQ4 2021: 116 institutionsQ1 2022: 110 institutionsQ2 2022: 142 institutionsQ3 2022: 155 institutionsQ4 2022: 160 institutionsQ1 2023: 142 institutionsQ2 2023: 131 institutionsQ3 2023: 129 institutionsQ4 2023: 131 institutionsQ1 2024: 144 institutionsQ2 2024: 151 institutionsQ3 2024: 169 institutionsQ4 2024: 170 institutionsQ1 2025: 167 institutionsQ2 2025: 178 institutionsQ3 2025: 197 institutionsQ4 2025: 200 institutionsQ1 2026: 183 institutionsQ2 2026: 160 institutions
Value heldQ2 2025: $224.8M
Q1 2021: $139.8MQ2 2021: $128.2MQ3 2021: $159.6MQ4 2021: $166.7MQ1 2022: $150.5MQ2 2022: $302.3MQ3 2022: $296.8MQ4 2022: $227.9MQ1 2023: $182.1MQ2 2023: $168.1MQ3 2023: $180.8MQ4 2023: $190.9MQ1 2024: $288.1MQ2 2024: $256.6MQ3 2024: $240.7MQ4 2024: $208.0MQ1 2025: $192.5MQ2 2025: $224.8MQ3 2025: $311.0MQ4 2025: $219.1MQ1 2026: $184.0MQ2 2026: $126.9M
Institutions holding SIGA and their total value by quarter
QuarterHoldersValue
Q2 2026160$126.9M
Q1 2026183$184.0M
Q4 2025200$219.1M
Q3 2025197$311.0M
Q2 2025178$224.8M
Q1 2025167$192.5M
Q4 2024170$208.0M
Q3 2024169$240.7M
Q2 2024151$256.6M
Q1 2024144$288.1M
Q4 2023131$190.9M
Q3 2023129$180.8M
Q2 2023131$168.1M
Q1 2023142$182.1M
Q4 2022160$227.9M
Q3 2022155$296.8M
Q2 2022142$302.3M
Q1 2022110$150.5M
Q4 2021116$166.7M
Q3 2021104$159.6M
Q2 2021102$128.2M
Q1 2021105$139.8M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2025.

Institutions holding SIGA in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth108$00.00%00.0%Unchanged
Covestor Ltd9$00.00%00.0%Unchanged
Parkside Financial Bank & Trust1$70.00%−84−98.8%Reduced
True Wealth Design, LLC6$400.00%+6New
Sunbelt Securities, Inc.27$1620.00%+27New
Game Plan Financial Advisors, LLC35$2280.00%00.0%Unchanged
Larson Financial Group LLC47$3060.00%00.0%Unchanged
IFP Advisors, Inc0$3910.00%0New
Stephens Consulting, LLC65$4240.00%+65New
Smartleaf Asset Management LLC88$5680.00%−22−20.0%Reduced
Rialto Wealth Management, LLC89$5810.00%00.0%Unchanged
Principal Securities, Inc.100$6520.00%00.0%Unchanged
SRS Capital Advisors, Inc.151$9850.00%00.0%Unchanged
UMA Financial Services, Inc.154$1.00K0.00%+154New
EverSource Wealth Advisors, LLC177$1.15K0.00%−120−40.4%Reduced
Toth Financial Advisory Corp250$1.63K0.00%+250New
Rothschild Investment LLC255$1.66K0.00%+50+24.4%Added
The PNC Financial Services Group, Inc.280$1.83K0.00%+280New
Daiwa Securities Group Inc.270$2.00K0.00%00.0%Unchanged
GAMMA Investing LLC369$2.41K0.00%+369New
Sterling Capital Management LLC407$2.65K0.00%+152+59.6%Added
CWM, LLC523$3.00K0.00%+297+131.4%Added
Farther Finance Advisors, LLC572$3.73K0.00%+476+495.8%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.796$5.00K0.00%+796New
Allworth Financial LP838$5.46K0.00%+181+27.5%Added
Raymond James Financial Inc1,049$6.84K0.00%+1,049New
Global Retirement Partners, LLC1,119$7.30K0.00%+1,119New
Versant Capital Management, Inc1,242$8.10K0.00%+1,242New
Private Wealth Asset Management, LLC1,350$8.80K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,527$9.96K0.00%+50+3.4%Added
Amalgamated Bank1,680$11.0K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,828$11.9K0.00%00.0%Unchanged
WealthCollab, LLC2,105$13.7K0.01%+522+33.0%Added
Group One Trading, L.P.2,292$14.9K0.00%+2,292New
Simplex Trading, LLC2,316$15.0K0.00%−131−5.4%Reduced
Great West Life Assurance Co2,265$15.0K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.2,760$18.0K0.00%+371+15.5%Added
Steward Partners Investment Advisory, LLC2,900$18.9K0.00%00.0%Unchanged
Clearstead Advisors, LLC3,000$19.6K0.00%00.0%Unchanged
National Bank of Canada3,000$19.6K0.00%+1,000+50.0%Added
Advisor Group Holdings, Inc.3,062$20.0K0.00%−2,323−43.1%Reduced
Signaturefd, LLC3,554$23.2K0.00%+1,394+64.5%Added
FMR LLC3,724$24.3K0.00%−20,238−84.5%Reduced
Ameritas Investment Partners, Inc.3,774$24.6K0.00%00.0%Unchanged
SBI Securities Co., Ltd.4,190$27.3K0.00%+828+24.6%Added
Clear Street Markets LLC4,365$28.5K0.01%+4,365New
BNP Paribas Arbitrage, SA4,661$30.4K0.00%+1,184+34.1%Added
Parallel Advisors, LLC5,261$34.3K0.00%+1,057+25.1%Added
Skopos Labs, Inc.5,829$38.0K0.00%+5,749+7,186.3%Added
Tower Research Capital LLC (TRC)6,817$44.4K0.00%+3,669+116.6%Added
DekaBank Deutsche Girozentrale5,160$48.0K0.00%+5,160New
Police & Firemen's Retirement System of New Jersey9,226$60.2K0.00%+124+1.4%Added
US Bancorp9,693$63.2K0.00%+9,693New
Captrust Financial Advisors10,306$67.2K0.00%−589−5.4%Reduced
ProShare Advisors LLC11,089$72.3K0.00%−2,157−16.3%Reduced
Kestra Advisory Services, LLC11,501$75.0K0.00%−34,439−75.0%Reduced
Teacher Retirement System of Texas11,554$75.3K0.00%+24+0.2%Added
Bailard, Inc.11,900$77.6K0.00%+11,900New
Arizona State Retirement System12,489$81.4K0.00%+222+1.8%Added
Onyx Bridge Wealth Group LLC13,000$84.8K0.01%00.0%Unchanged
Voya Investment Management LLC13,065$85.2K0.00%00.0%Unchanged
Globeflex Capital L P13,104$85.4K0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System13,360$87.1K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC13,838$90.0K0.00%+1,309+10.4%Added
CI Private Wealth, LLC14,097$91.9K0.00%+1,985+16.4%Added
China Universal Asset Management Co., Ltd.14,349$93.6K0.01%+26+0.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH14,615$95.3K0.00%+14,615New
Russell Investments Group, Ltd.15,637$102.0K0.00%+5,712+57.6%Added
Manufacturers Life Insurance Company, The15,664$102.1K0.00%−1,618−9.4%Reduced
Quantinno Capital Management LP16,620$108.4K0.00%+16,620New
Eqis Capital Management, Inc.16,799$109.5K0.01%−6,455−27.8%Reduced
Evergreen Capital Management LLC18,190$118.6K0.00%−310−1.7%Reduced
Citigroup Inc18,335$119.5K0.00%−20,370−52.6%Reduced
Public Employees Retirement System of Ohio18,900$123.2K0.00%+18,900New
AQR Capital Management LLC19,356$126.2K0.00%+19,356New
Centiva Capital, LP19,366$126.3K0.01%+19,366New
Janus Henderson Group PLC19,579$127.8K0.00%00.0%Unchanged
EP Wealth Advisors, LLC19,707$128.5K0.00%−311−1.6%Reduced
Metis Global Partners, LLC20,164$131.5K0.00%00.0%Unchanged
Cambria Investment Management, L.P.20,933$136.5K0.01%+2,242+12.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)21,057$137.3K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC21,316$139.0K0.00%−4,684−18.0%Reduced
JustInvest LLC21,432$139.7K0.00%+6,616+44.7%Added
Wells Fargo & Company22,380$145.9K0.00%−1,745−7.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.22,480$146.6K0.00%−5,113−18.5%Reduced
Intech Investment Management LLC22,956$149.7K0.00%−7,441−24.5%Reduced
JPMorgan Chase & Co24,988$162.9K0.00%−5,860−19.0%Reduced
STRS Ohio25,400$165.6K0.00%−4,800−15.9%Reduced
Washington Growth Strategies LLC26,216$171.0K0.13%+26,216New
Oxford Asset Management LLP27,112$176.8K0.06%+27,112New
Cresset Asset Management, LLC27,331$178.2K0.00%−1,199−4.2%Reduced
MetLife Investment Management27,524$179.5K0.00%+80+0.3%Added
Linden Thomas Advisory Services, LLC27,633$180.2K0.02%+1,403+5.3%Added
October Effect Ltd27,666$180.4K0.22%+27,666New
Kapitalo Investimentos Ltda28,089$183.1K0.04%+28,089New
Brevan Howard Capital Management LP28,936$188.7K0.00%+28,936New
HSBC Holdings PLC28,461$189.6K0.00%+28,461New
DGS Capital Management, LLC29,776$194.1K0.04%−3,425−10.3%Reduced
Deutsche Bank AG29,910$195.0K0.00%−6,755−18.4%Reduced
SEI Investments Co30,420$198.3K0.00%−7,900−20.6%Reduced