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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, Q3 2021

Institutional positions in Siga Technologies Inc as of Sep 30, 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
104
+3 vs. Q2 2021
Shares held
21.6M
+1.21M (+5.9%) vs. Q2 2021
Total value
$159.6M
+$31.4M (+24.5%) vs. Q2 2021
New holders
19
37 more added
Sold out
16
28 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 104 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 heldQ3 2021: $159.6M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q2 2021.

Institutions holding SIGA in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Glassman Wealth Services48$00.00%+48New
Meridian Wealth Partners, LLC18$00.00%+18New
Daiwa Securities Group Inc.172$1.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.392$2.00K0.00%−120−23.4%Reduced
Captrust Financial Advisors207$2.00K0.00%00.0%Unchanged
FMR LLC425$3.00K0.00%−1−0.2%Reduced
Harbour Investments, Inc.373$3.00K0.00%+69+22.7%Added
Quadrant Capital Group LLC470$3.00K0.00%+470New
Lazard Asset Management LLC743$5.00K0.00%−4,414−85.6%Reduced
Signaturefd, LLC829$6.00K0.00%+53+6.8%Added
Parallel Advisors, LLC835$6.00K0.00%+835New
Graves-Light Private Wealth Management, Inc.1,200$9.00K0.00%+645+116.2%Added
Macquarie Group Ltd1,355$10.0K0.00%00.0%Unchanged
Penserra Capital Management LLC1,715$12.0K0.00%−15−0.9%Reduced
Advisor Group Holdings, Inc.2,400$18.0K0.00%−110−4.4%Reduced
Jacobi Capital Management LLC2,500$18.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,887$22.0K0.00%−1,478−33.9%Reduced
Steward Partners Investment Advisory, LLC3,500$26.0K0.00%00.0%Unchanged
Great West Life Assurance Co3,881$29.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.4,584$34.0K0.00%00.0%Unchanged
Clearstead Advisors, LLC7,000$52.0K0.00%00.0%Unchanged
Royal Bank of Canada7,516$56.0K0.00%+2,126+39.4%Added
BNP Paribas Arbitrage, SA8,951$66.1K0.00%+7,079+378.2%Added
D. E. Shaw & Co., Inc.10,037$74.0K0.00%−47,121−82.4%Reduced
Commonwealth Equity Services, LLC10,290$76.0K0.00%00.0%Unchanged
Citigroup Inc10,299$76.0K0.00%+1,575+18.1%Added
Cypress Capital Management LLC12,500$79.0K0.01%00.0%Unchanged
Principal Financial Group Inc10,688$79.0K0.00%+10,688New
Metropolitan Life Insurance Co12,129$89.6K0.00%+12,129New
Arizona State Retirement System12,432$92.0K0.00%−192−1.5%Reduced
Citadel Advisors LLC13,323$98.0K0.00%+13,323New
Gsa Capital Partners LLP13,627$101.0K0.01%+13,627New
Franklin Resources Inc13,801$102.0K0.00%+65+0.5%Added
American Century Companies Inc14,063$104.0K0.00%+14,063New
Price T Rowe Associates Inc14,164$105.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)14,749$109.0K0.00%00.0%Unchanged
Onyx Bridge Wealth Group LLC17,000$118.0K0.04%+17,000New
Cubist Systematic Strategies, LLC17,446$129.0K0.00%+17,446New
MetLife Investment Management18,339$135.5K0.00%+18,339New
Legal & General Group Plc19,242$142.0K0.00%+8,937+86.7%Added
Voya Investment Management LLC21,304$157.0K0.00%00.0%Unchanged
Regions Financial Corp21,500$159.0K0.00%00.0%Unchanged
Ergoteles LLC21,800$161.0K0.01%−900−4.0%Reduced
ProShare Advisors LLC22,289$165.0K0.00%−4,224−15.9%Reduced
Raymond James & Associates22,800$168.0K0.00%+22,800New
Barclays PLC23,460$174.0K0.00%+15,989+214.0%Added
American International Group, Inc.26,749$198.0K0.00%−996−3.6%Reduced
JPMorgan Chase & Co27,421$203.0K0.00%+4,474+19.5%Added
Zebra Capital Management LLC27,528$204.0K0.25%+13,069+90.4%Added
Manufacturers Life Insurance Company, The28,564$211.0K0.00%−3,630−11.3%Reduced
ETF Managers Group, LLC28,888$211.0K0.00%+6,456+28.8%Added
CIBC Private Wealth Group, LLC30,000$222.0K0.00%+30,000New
Deutsche Bank AG30,615$227.0K0.00%−1,216−3.8%Reduced
Nisa Investment Advisors, LLC30,851$228.0K0.00%−28,584−48.1%Reduced
Credit Suisse AG33,307$247.0K0.00%+1,635+5.2%Added
SG Americas Securities, LLC34,040$252.0K0.00%+34,040New
Bank of America Corp36,334$268.0K0.00%+12,226+50.7%Added
Summit Global Investments36,700$271.0K0.02%+36,700New
Mackenzie Financial Corp37,316$276.0K0.00%+1,226+3.4%Added
Man Group plc40,900$302.0K0.00%+40,900New
O'Shaughnessy Asset Management, LLC44,369$328.0K0.01%+5,262+13.5%Added
Virginia Retirement Systems Et Al45,200$334.0K0.00%+26,400+140.4%Added
HRT Financial LP51,150$377.0K0.00%+3,256+6.8%Added
Rhumbline Advisers53,500$395.0K0.00%+361+0.7%Added
TRUE Private Wealth Advisors54,114$399.0K0.06%00.0%Unchanged
State of Tennessee, Treasury Department60,340$446.0K0.00%−7,317−10.8%Reduced
UBS Asset Management Americas Inc61,255$452.7K0.00%00.0%Unchanged
Millennium Management LLC63,383$468.0K0.00%−61,147−49.1%Reduced
California State Teachers Retirement System65,496$484.0K0.00%−2,995−4.4%Reduced
IndexIQ Advisors LLC69,169$511.0K0.02%+6,928+11.1%Added
Martingale Asset Management L P68,954$511.0K0.01%+40,200+139.8%Added
Alliancebernstein L.P.70,600$522.0K0.00%00.0%Unchanged
Invesco Ltd.71,789$530.0K0.00%+4,951+7.4%Added
Jupiter Asset Management Ltd72,207$534.0K0.01%+60,129+497.8%Added
STRS Ohio80,200$592.0K0.00%+60,000+297.0%Added
Parametric Portfolio Associates LLC91,269$674.0K0.00%+33,287+57.4%Added
Campbell & CO Investment Adviser LLC94,900$701.0K0.23%+53,500+129.2%Added
Victory Capital Management Inc95,848$708.0K0.00%−9,826−9.3%Reduced
Swiss National Bank102,400$757.0K0.00%00.0%Unchanged
Winton Group Ltd105,955$783.0K0.04%+16,646+18.6%Added
Charles Schwab Investment Management Inc122,529$906.0K0.00%−189,130−60.7%Reduced
Los Angeles Capital Management LLC145,816$1.08M0.00%+33,096+29.4%Added
Nuveen Asset Management, LLC186,793$1.26M0.00%−91,362−32.8%Reduced
Morgan Stanley178,552$1.32M0.00%+60,719+51.5%Added
Globeflex Capital L P185,535$1.37M0.30%−181,514−49.5%Reduced
Davenport & Co LLC219,077$1.62M0.01%00.0%Unchanged
Bank of New York Mellon Corp264,829$1.96M0.00%+2,587+1.0%Added
Goldman Sachs Group Inc290,725$2.15M0.00%+53,934+22.8%Added
Arrowstreet Capital, Limited Partnership345,034$2.55M0.00%−355,600−50.8%Reduced
New York State Common Retirement Fund430,124$3.18M0.00%+55,331+14.8%Added
Russell Investments Group, Ltd.468,174$3.46M0.01%+468,174New
Northern Trust Corp478,763$3.54M0.00%−32,752−6.4%Reduced
Legato Capital Management LLC542,010$4.00M0.76%+97,220+21.9%Added
Royce & Associates LP542,453$4.01M0.03%+29,366+5.7%Added
Renaissance Technologies LLC616,690$4.56M0.01%−415,327−40.2%Reduced
Wells Fargo & Company625,417$4.62M0.00%−1,563−0.2%Reduced
Dimensional Fund Advisors LP802,267$5.93M0.00%+109,042+15.7%Added
Geode Capital Management, LLC829,464$6.13M0.00%−11,752−1.4%Reduced
Kempen Capital Management N.V.958,605$7.08M0.25%+958,605New
State Street Corp1,051,890$7.77M0.00%−45,985−4.2%Reduced