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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, Q3 2022

Institutional positions in Siga Technologies Inc as of Sep 30, 2022. 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
155
+14 vs. Q2 2022
Shares held
28.8M
+2.87M (+11.1%) vs. Q2 2022
Total value
$296.8M
−$4.06M (−1.4%) vs. Q2 2022
New holders
41
50 more added
Sold out
27
45 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 155 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 heldQ3 2022: $296.8M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q2 2022.

Institutions holding SIGA in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,201,820$33.0M0.00%−217,513−6.4%Reduced
Renaissance Technologies LLC2,353,247$24.2M0.03%+1,715,736+269.1%Added
Vanguard Group Inc2,228,809$23.0M0.00%+69,423+3.2%Added
D. E. Shaw & Co., Inc.2,201,993$22.7M0.04%−1,014,535−31.5%Reduced
State Street Corp1,514,105$15.6M0.00%+521,261+52.5%Added
AltraVue Capital, LLC1,457,536$15.0M2.24%−404,940−21.7%Reduced
Dimensional Fund Advisors LP1,113,186$11.5M0.00%−24,846−2.2%Reduced
Qube Research & Technologies Ltd1,077,668$11.1M0.07%+1,048,721+3,622.9%Added
Two Sigma Investments, LP994,041$10.2M0.04%+325,837+48.8%Added
Kempen Capital Management N.V.783,184$8.07M0.32%−678,687−46.4%Reduced
Geode Capital Management, LLC782,359$8.06M0.00%−3,615−0.5%Reduced
Morgan Stanley734,548$7.57M0.00%+489,014+199.2%Added
Principal Financial Group Inc696,866$7.18M0.01%+696,866New
Cubist Systematic Strategies, LLC582,942$6.00M0.04%+256,302+78.5%Added
Northern Trust Corp445,126$4.58M0.00%−2,462−0.6%Reduced
American Century Companies Inc402,391$4.14M0.00%+190,156+89.6%Added
Voloridge Investment Management, LLC394,671$4.07M0.02%−11,085−2.7%Reduced
Price Jennifer C.382,400$3.94M0.81%−422,159−52.5%Reduced
Barclays PLC349,341$3.60M0.00%+343,103+5,500.2%Added
Royce & Associates LP327,027$3.37M0.04%+198,345+154.1%Added
Gotham Asset Management, LLC311,292$3.21M0.10%+311,292New
Charles Schwab Investment Management Inc304,438$3.14M0.00%+183,855+152.5%Added
Connor, Clark & Lunn Investment Management Ltd.288,883$2.98M0.02%−960.0%Reduced
New York State Common Retirement Fund283,619$2.92M0.00%−47,567−14.4%Reduced
Legato Capital Management LLC271,380$2.79M0.72%−137,930−33.7%Reduced
Bank of New York Mellon Corp226,161$2.33M0.00%+13,047+6.1%Added
Credit Suisse AG200,111$2.06M0.00%−68,051−25.4%Reduced
Trexquant Investment LP190,471$1.96M0.07%+190,471New
Goldman Sachs Group Inc187,852$1.94M0.00%+86,714+85.7%Added
Hillsdale Investment Management Inc.159,905$1.65M0.15%00.0%Unchanged
Nuveen Asset Management, LLC158,830$1.64M0.00%−3,460−2.1%Reduced
Jupiter Asset Management Ltd157,602$1.62M0.03%+157,602New
Citadel Advisors LLC151,289$1.56M0.00%+151,289New
Globeflex Capital L P138,893$1.43M0.25%00.0%Unchanged
Sculptor Capital LP130,100$1.34M0.02%+130,100New
Verition Fund Management LLC120,000$1.24M0.02%+120,000New
Ancora Advisors, LLC119,735$1.23M0.04%+10,000+9.1%Added
First Wilshire Securities Management Inc118,577$1.22M0.49%−43,162−26.7%Reduced
ExodusPoint Capital Management, LP117,074$1.21M0.02%+117,074New
Cambria Investment Management, L.P.114,048$1.18M0.13%+87,973+337.4%Added
Swiss National Bank105,100$1.08M0.00%00.0%Unchanged
Janus Henderson Group PLC100,943$1.04M0.00%+20.0%Added
Invesco Ltd.100,243$1.03M0.00%−119,246−54.3%Reduced
BNP Paribas Arbitrage, SA99,773$1.03M0.00%+89,177+841.6%Added
First Trust Advisors LP96,904$998.0K0.00%+96,904New
Bank of America Corp96,357$992.0K0.00%+77,562+412.7%Added
Uniplan Investment Counsel, Inc.92,379$951.0K0.07%−11,032−10.7%Reduced
Susquehanna Fundamental Investments, LLC76,600$789.0K0.01%+76,600New
Teacher Retirement System of Texas72,994$752.0K0.01%−144,168−66.4%Reduced
SG Americas Securities, LLC72,830$750.0K0.01%+58,558+410.3%Added
Marshall Wace, LLP70,273$724.0K0.00%−807,856−92.0%Reduced
UBS Asset Management Americas Inc68,740$708.0K0.00%−10,214−12.9%Reduced
Alliancebernstein L.P.67,900$699.0K0.00%−16,727−19.8%Reduced
Arrowstreet Capital, Limited Partnership67,560$696.0K0.00%+34,137+102.1%Added
Raymond James & Associates60,445$623.0K0.00%−10,603−14.9%Reduced
Rhumbline Advisers59,536$613.0K0.00%+4,402+8.0%Added
SummerHaven Investment Management, LLC58,802$606.0K0.42%+58,802New
Victory Capital Management Inc58,393$601.0K0.00%+11,458+24.4%Added
California State Teachers Retirement System57,084$588.0K0.00%−959−1.7%Reduced
Harvest Investment Services, LLC56,929$586.0K0.72%+56,929New
STRS Ohio56,500$581.0K0.00%+3,300+6.2%Added
TRUE Private Wealth Advisors54,114$557.0K0.08%00.0%Unchanged
James Investment Research Inc53,300$549.0K0.08%00.0%Unchanged
Susquehanna International Group, LLP51,843$534.0K0.00%+12,700+32.4%Added
Jane Street Group, LLC51,330$529.0K0.00%−72,184−58.4%Reduced
JPMorgan Chase & Co50,876$524.0K0.00%+12,121+31.3%Added
State of Wisconsin Investment Board45,192$465.0K0.00%−2,434−5.1%Reduced
Pasadena Private Wealth, LLC41,594$428.0K0.15%+41,594New
Tower Research Capital LLC (TRC)35,512$366.0K0.01%+33,828+2,008.8%Added
O'Shaughnessy Asset Management, LLC34,553$356.0K0.01%+8,102+30.6%Added
Exchange Traded Concepts, LLC33,867$349.0K0.01%−4,020−10.6%Reduced
XTX Topco Ltd32,115$331.0K0.08%+32,115New
Hussman Strategic Advisors, Inc.31,000$319.0K0.06%+31,000New
Dark Forest Capital Management LP30,458$314.0K0.06%+30,458New
Davenport & Co LLC30,000$309.0K0.00%−82,885−73.4%Reduced
DekaBank Deutsche Girozentrale30,000$309.0K0.00%+30,000New
Point72 Hong Kong Ltd29,197$301.0K0.02%+29,197New
MetLife Investment Management28,561$294.2K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC26,000$268.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.25,801$266.0K0.00%+20,901+426.6%Added
Allspring Global Investments Holdings, LLC25,373$261.0K0.00%−116,039−82.1%Reduced
ClariVest Asset Management LLC25,400$261.0K0.01%+25,400New
Citigroup Inc24,925$257.0K0.00%+16,983+213.8%Added
Squarepoint Ops LLC24,012$247.0K0.00%−6,307−20.8%Reduced
Millennium Management LLC23,740$245.0K0.00%−15,732−39.9%Reduced
Alps Advisors Inc23,759$245.0K0.00%+23,759New
Price T Rowe Associates Inc23,507$243.0K0.00%+2,723+13.1%Added
American International Group, Inc.22,363$230.0K0.00%+316+1.4%Added
Virginia Retirement Systems Et Al22,100$227.6K0.00%+22,100New
Deutsche Bank AG21,615$222.0K0.00%−3,150−12.7%Reduced
ETF Managers Group, LLC21,549$222.0K0.01%−1,327−5.8%Reduced
Mirae Asset Global Investments Co., Ltd.21,573$222.0K0.00%+5,925+37.9%Added
Seven Eight Capital, LP20,592$212.0K0.04%+20,592New
Plustick Management LLC20,000$206.0K0.16%00.0%Unchanged
Manufacturers Life Insurance Company, The19,902$205.0K0.00%−124−0.6%Reduced
Quantamental Technologies LLC19,747$203.0K0.08%+19,747New
SG3 Management, LLC18,700$192.6K0.12%+18,700New
Wells Fargo & Company18,577$191.0K0.00%−710−3.7%Reduced
Legal & General Group Plc18,312$189.0K0.00%+1,385+8.2%Added
Voya Investment Management LLC18,140$186.8K0.00%00.0%Unchanged