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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, Q4 2021

Institutional positions in Siga Technologies Inc as of Dec 31, 2021. 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
116
+12 vs. Q3 2021
Shares held
22.2M
+566.6K (+2.6%) vs. Q3 2021
Total value
$166.7M
+$7.12M (+4.5%) vs. Q3 2021
New holders
21
34 more added
Sold out
9
41 more reduced

Compare with Q3 2021: 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 holdersQ4 2021: 116 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 heldQ4 2021: $166.7M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2021.

Institutions holding SIGA in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Glassman Wealth Services48$00.00%00.0%Unchanged
Quadrant Capital Group LLC187$1.00K0.00%−283−60.2%Reduced
Daiwa Securities Group Inc.172$1.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB77$1.00K0.00%+77New
The PNC Financial Services Group, Inc.392$2.00K0.00%00.0%Unchanged
Captrust Financial Advisors220$2.00K0.00%+13+6.3%Added
EverSource Wealth Advisors, LLC258$2.00K0.00%+258New
Lazard Asset Management LLC486$3.00K0.00%−257−34.6%Reduced
FMR LLC488$3.00K0.00%+63+14.8%Added
Geneos Wealth Management Inc.500$3.00K0.00%+500New
Parallel Advisors, LLC795$6.00K0.00%−40−4.8%Reduced
Graves-Light Private Wealth Management, Inc.972$7.00K0.00%−228−19.0%Reduced
Aquatic Capital Management LLC900$7.00K0.01%+900New
Allworth Financial LP1,068$8.00K0.00%+1,068New
Macquarie Group Ltd1,355$10.0K0.00%00.0%Unchanged
Cutler Group LP1,551$11.0K0.00%+1,551New
Signaturefd, LLC1,998$15.0K0.00%+1,169+141.0%Added
Steward Partners Investment Advisory, LLC3,500$26.0K0.00%00.0%Unchanged
Great West Life Assurance Co3,881$29.0K0.00%00.0%Unchanged
State of Wyoming3,952$30.0K0.01%+3,952New
Ameritas Investment Partners, Inc.4,584$34.0K0.00%00.0%Unchanged
Clearstead Advisors, LLC6,000$45.0K0.00%−1,000−14.3%Reduced
Altshuler Shaham Ltd6,052$46.0K0.00%+6,052New
Cresset Asset Management, LLC10,033$75.0K0.00%+10,033New
Commonwealth Equity Services, LLC10,290$77.0K0.00%00.0%Unchanged
Vontobel Holding Ltd.10,753$81.0K0.00%+10,753New
Qube Research & Technologies Ltd10,887$82.0K0.00%+10,887New
Group One Trading, L.P.11,351$85.0K0.00%+11,351New
Arizona State Retirement System12,124$91.0K0.00%−308−2.5%Reduced
Jane Street Group, LLC12,225$92.0K0.00%+12,225New
Cypress Capital Management LLC12,500$94.0K0.01%00.0%Unchanged
Price T Rowe Associates Inc13,176$99.0K0.00%−988−7.0%Reduced
Metropolitan Life Insurance Co13,664$102.8K0.00%+1,535+12.7%Added
Franklin Resources Inc13,984$106.0K0.00%+183+1.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)14,749$111.0K0.00%00.0%Unchanged
Royal Bank of Canada14,785$111.0K0.00%+7,269+96.7%Added
Citigroup Inc15,059$113.0K0.00%+4,760+46.2%Added
Tower Research Capital LLC (TRC)15,389$116.0K0.00%+12,502+433.0%Added
Onyx Bridge Wealth Group LLC17,000$129.0K0.04%00.0%Unchanged
Advisor Group Holdings, Inc.17,400$131.0K0.00%+15,000+625.0%Added
SG Americas Securities, LLC18,224$137.0K0.00%−15,816−46.5%Reduced
MetLife Investment Management18,339$137.9K0.00%00.0%Unchanged
Legal & General Group Plc19,338$146.0K0.00%+96+0.5%Added
Voya Investment Management LLC20,326$153.0K0.00%−978−4.6%Reduced
Regions Financial Corp20,497$154.0K0.00%−1,003−4.7%Reduced
ProShare Advisors LLC20,980$157.0K0.00%−1,309−5.9%Reduced
Winton Group Ltd21,064$158.0K0.01%−84,891−80.1%Reduced
UBS Group AG20,983$158.0K0.00%+20,983New
Campbell & CO Investment Adviser LLC21,500$162.0K0.06%−73,400−77.3%Reduced
ETF Managers Group, LLC22,393$171.0K0.00%−6,495−22.5%Reduced
Citadel Advisors LLC23,100$174.0K0.00%+9,777+73.4%Added
ExodusPoint Capital Management, LP24,335$183.0K0.00%+24,335New
Zebra Capital Management LLC24,745$186.0K0.30%−2,783−10.1%Reduced
American International Group, Inc.25,639$193.0K0.00%−1,110−4.1%Reduced
Manufacturers Life Insurance Company, The26,727$201.0K0.00%−1,837−6.4%Reduced
Cubist Systematic Strategies, LLC29,276$220.0K0.00%+11,830+67.8%Added
Nisa Investment Advisors, LLC34,093$222.0K0.00%+3,242+10.5%Added
CIBC Private Wealth Group, LLC30,000$226.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA32,038$240.9K0.00%+23,087+257.9%Added
Deutsche Bank AG32,125$241.0K0.00%+1,510+4.9%Added
Principal Financial Group Inc37,837$285.0K0.00%+27,149+254.0%Added
Jupiter Asset Management Ltd39,247$299.0K0.00%−32,960−45.6%Reduced
O'Shaughnessy Asset Management, LLC42,400$319.0K0.01%−1,969−4.4%Reduced
HRT Financial LP46,484$349.0K0.00%−4,666−9.1%Reduced
Virginia Retirement Systems Et Al51,100$384.0K0.00%+5,900+13.1%Added
Rhumbline Advisers52,605$396.0K0.00%−895−1.7%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main53,677$403.7K0.00%+53,677New
TRUE Private Wealth Advisors54,114$406.0K0.06%00.0%Unchanged
Alberta Investment Management Corp57,578$433.0K0.00%+57,578New
Barclays PLC58,561$440.0K0.00%+35,101+149.6%Added
UBS Asset Management Americas Inc61,255$460.6K0.00%00.0%Unchanged
American Century Companies Inc62,758$472.0K0.00%+48,695+346.3%Added
JPMorgan Chase & Co63,149$476.0K0.00%+35,728+130.3%Added
Victory Capital Management Inc63,924$481.0K0.00%−31,924−33.3%Reduced
State of Wisconsin Investment Board63,900$481.0K0.00%+63,900New
California State Teachers Retirement System64,916$488.0K0.00%−580−0.9%Reduced
IndexIQ Advisors LLC64,970$489.0K0.02%−4,199−6.1%Reduced
Martingale Asset Management L P68,912$519.0K0.01%−42−0.1%Reduced
Alliancebernstein L.P.72,600$546.0K0.00%+2,000+2.8%Added
Millennium Management LLC74,220$558.0K0.00%+10,837+17.1%Added
Bank of America Corp79,362$597.0K0.00%+43,028+118.4%Added
Invesco Ltd.79,557$598.0K0.00%+7,768+10.8%Added
Man Group plc88,400$665.0K0.00%+47,500+116.1%Added
Teacher Retirement System of Texas91,641$689.0K0.00%+91,641New
Parametric Portfolio Associates LLC92,631$697.0K0.00%+1,362+1.5%Added
Ancora Advisors, LLC94,135$708.0K0.02%+94,135New
Swiss National Bank99,100$745.0K0.00%−3,300−3.2%Reduced
Raymond James & Associates101,075$760.0K0.00%+78,275+343.3%Added
STRS Ohio102,500$770.0K0.00%+22,300+27.8%Added
Morgan Stanley110,314$828.0K0.00%−68,238−38.2%Reduced
Charles Schwab Investment Management Inc122,529$922.0K0.00%00.0%Unchanged
Los Angeles Capital Management LLC145,816$1.10M0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.147,335$1.11M0.00%+137,298+1,367.9%Added
Nuveen Asset Management, LLC167,784$1.21M0.00%−19,009−10.2%Reduced
Globeflex Capital L P185,535$1.40M0.29%00.0%Unchanged
Credit Suisse AG186,548$1.40M0.00%+153,241+460.1%Added
Davenport & Co LLC219,077$1.65M0.01%00.0%Unchanged
Bank of New York Mellon Corp220,722$1.66M0.00%−44,107−16.7%Reduced
Arrowstreet Capital, Limited Partnership233,128$1.75M0.00%−111,906−32.4%Reduced
Wells Fargo & Company267,152$2.01M0.00%−358,265−57.3%Reduced