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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; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Siga Technologies Inc as of Mar 31, 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
167
−1 vs. Q4 2024
Shares held
35.1M
+660.3K (+1.9%) vs. Q4 2024
Total value
$192.5M
−$14.7M (−7.1%) vs. Q4 2024
New holders
22
56 more added
Sold out
23
59 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 167 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: 161 institutions
Value heldQ1 2025: $192.5M
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: $127.0M
Institutions holding SIGA and their total value by quarter
QuarterHoldersValue
Q2 2026161$127.0M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q4 2024.

Institutions holding SIGA in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd9$00.00%−4,196−99.8%Reduced
Royal Bank of Canada94$00.00%−2,439−96.3%Reduced
Capital Advisors, Ltd. LLC22$00.00%00.0%Unchanged
Avion Wealth108$00.00%+108New
Game Plan Financial Advisors, LLC35$1920.00%00.0%Unchanged
Larson Financial Group LLC47$2580.00%−4,353−98.9%Reduced
Skopos Labs, Inc.80$4390.00%−156−66.1%Reduced
Parkside Financial Bank & Trust85$4670.00%+85New
Coldstream Capital Management Inc89$4880.00%+89New
Rialto Wealth Management, LLC89$4880.00%+89New
Farther Finance Advisors, LLC96$5260.00%00.0%Unchanged
Principal Securities, Inc.100$6010.00%00.0%Unchanged
Smartleaf Asset Management LLC110$6100.00%−91−45.3%Reduced
Lindbrook Capital, LLC150$8220.00%+6+4.2%Added
SRS Capital Advisors, Inc.151$8280.00%+151New
Rise Advisors, LLC182$9970.00%+182New
Daiwa Securities Group Inc.270$1.00K0.00%00.0%Unchanged
CWM, LLC226$1.00K0.00%−17−7.0%Reduced
Federation des caisses Desjardins du Quebec193$1.06K0.00%00.0%Unchanged
Rothschild Investment LLC205$1.12K0.00%+205New
Sterling Capital Management LLC255$1.40K0.00%−195−43.3%Reduced
EverSource Wealth Advisors, LLC297$1.63K0.00%+97+48.5%Added
Quantbot Technologies LP394$2.16K0.00%+394New
Caitong International Asset Management Co., Ltd442$2.42K0.00%+442New
Allworth Financial LP657$4.26K0.00%00.0%Unchanged
Vestcor Inc932$5.00K0.00%−47,245−98.1%Reduced
Private Wealth Asset Management, LLC1,350$7.40K0.00%+1,350New
Nisa Investment Advisors, LLC1,477$8.09K0.00%+63+4.5%Added
WealthCollab, LLC1,583$8.68K0.01%+669+73.2%Added
Amalgamated Bank1,680$9.00K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,828$10.0K0.00%+329+21.9%Added
National Bank of Canada2,000$11.0K0.00%+1,000+100.0%Added
Signaturefd, LLC2,160$11.8K0.00%+782+56.7%Added
Great West Life Assurance Co2,265$12.0K0.00%00.0%Unchanged
Simplex Trading, LLC2,447$13.0K0.00%−66,422−96.4%Reduced
Mirae Asset Global Investments Co., Ltd.2,389$13.3K0.00%+10+0.4%Added
Steward Partners Investment Advisory, LLC2,900$15.9K0.00%00.0%Unchanged
Clearstead Advisors, LLC3,000$16.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,148$17.3K0.00%+2,545+422.1%Added
SBI Securities Co., Ltd.3,362$18.4K0.00%−37−1.1%Reduced
BNP Paribas Arbitrage, SA3,477$19.1K0.00%−2,898−45.5%Reduced
Ameritas Investment Partners, Inc.3,774$20.7K0.00%00.0%Unchanged
Quadrant Capital Group LLC4,196$23.0K0.00%−153−3.5%Reduced
Parallel Advisors, LLC4,204$23.0K0.00%+3,926+1,412.2%Added
Advisor Group Holdings, Inc.5,385$29.5K0.00%−315−5.5%Reduced
Police & Firemen's Retirement System of New Jersey9,102$49.9K0.00%00.0%Unchanged
Russell Investments Group, Ltd.9,925$54.4K0.00%+9,771+6,344.8%Added
CIBC World Markets Corp10,277$56.3K0.00%+10,277New
Corton Capital Inc.10,594$58.1K0.19%+10,594New
Captrust Financial Advisors10,895$59.7K0.00%+142+1.3%Added
Verition Fund Management LLC11,030$60.4K0.00%−4,385−28.4%Reduced
Teza Capital Management LLC11,141$61.1K0.03%−28,232−71.7%Reduced
Teacher Retirement System of Texas11,530$63.2K0.00%−1,299−10.1%Reduced
CI Private Wealth, LLC12,112$66.4K0.00%−499−4.0%Reduced
Arizona State Retirement System12,267$67.2K0.00%−150−1.2%Reduced
Commonwealth Equity Services, LLC12,529$69.0K0.00%−48−0.4%Reduced
Onyx Bridge Wealth Group LLC13,000$71.2K0.01%00.0%Unchanged
Atom Investors LP13,012$71.3K0.01%+13,012New
Voya Investment Management LLC13,065$71.6K0.00%−1,722−11.6%Reduced
Globeflex Capital L P13,104$71.8K0.01%00.0%Unchanged
ProShare Advisors LLC13,246$72.6K0.00%−3,178−19.3%Reduced
Virginia Retirement Systems Et Al13,341$73.1K0.00%+13,341New
State Board of Administration of Florida Retirement System13,360$73.2K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.14,323$78.5K0.01%−817−5.4%Reduced
JustInvest LLC14,816$81.2K0.00%+4,768+47.5%Added
Lazard Asset Management LLC16,182$87.0K0.00%−6,007−27.1%Reduced
Manufacturers Life Insurance Company, The17,282$94.7K0.00%−381−2.2%Reduced
Evergreen Capital Management LLC18,500$101.4K0.00%+18,500New
Cambria Investment Management, L.P.18,691$102.4K0.01%+18,691New
Janus Henderson Group PLC19,579$108.6K0.00%00.0%Unchanged
Davenport & Co LLC20,000$109.6K0.00%−11,500−36.5%Reduced
EP Wealth Advisors, LLC20,018$109.7K0.00%+6,131+44.1%Added
Metis Global Partners, LLC20,164$110.5K0.00%00.0%Unchanged
Sherbrooke Park Advisers LLC20,293$111.2K0.05%+6,531+47.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)21,057$115.4K0.00%00.0%Unchanged
Cerity Partners LLC21,797$119.4K0.00%+21,797New
Corebridge Financial, Inc.22,689$124.3K0.00%−337−1.5%Reduced
Eqis Capital Management, Inc.23,254$127.4K0.01%−1,339−5.4%Reduced
FMR LLC23,962$131.3K0.00%−18,156−43.1%Reduced
Principal Financial Group Inc24,116$132.2K0.00%+189+0.8%Added
Wells Fargo & Company24,125$132.2K0.00%+521+2.2%Added
Cim Investment Mangement Inc25,224$138.2K0.03%−601−2.3%Reduced
HRT Financial LP25,704$140.0K0.00%+5,572+27.7%Added
Linden Thomas Advisory Services, LLC26,230$143.7K0.02%+1,938+8.0%Added
MetLife Investment Management27,444$150.4K0.00%−532−1.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.27,593$151.2K0.00%+1,170+4.4%Added
Two Sigma Investments, LP27,742$152.0K0.00%+27,742New
CIBC Private Wealth Group, LLC26,000$153.9K0.00%00.0%Unchanged
Cresset Asset Management, LLC28,530$156.3K0.00%+175+0.6%Added
STRS Ohio30,200$165.5K0.00%−36,900−55.0%Reduced
Intech Investment Management LLC30,397$166.6K0.00%+5,117+20.2%Added
JPMorgan Chase & Co30,848$169.0K0.00%+3,550+13.0%Added
Squarepoint Ops LLC30,938$169.5K0.00%+30,938New
DGS Capital Management, LLC33,201$181.9K0.05%+13,168+65.7%Added
Significant Wealth Partners LLC34,269$187.8K0.10%+6,052+21.4%Added
Millennium Management LLC34,430$188.7K0.00%−33,305−49.2%Reduced
Man Group plc35,965$197.1K0.00%+35,965New
Deutsche Bank AG36,665$200.9K0.00%−5,139−12.3%Reduced
Creative Planning37,687$206.5K0.00%−1,560−4.0%Reduced
SEI Investments Co38,320$210.0K0.00%+38,320New