Security record · archived quarter
SIGA
SIGA Technologies, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
82Tracked holders
-3Δ holders
24.58MShares held
$131.56MReported value
+6New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -3.5% ·
share flow +3.4% ·
net new positions -3.7%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 78 | -1 | 24.92M | $90.83M | +5 | −6 |
| Q1 2026 | 82 | -3 | 24.58M | $131.56M | +6 | −9 |
| Q4 2025 | 84 | 0 | 24.75M | $151.26M | +1 | −1 |
| Q3 2025 | 17 | 0 | 13.40M | $122.59M | +1 | −1 |
| Q2 2025 | 14 | +1 | 11.70M | $76.27M | +1 | — |
| Q1 2025 | 10 | +1 | 5.37M | $29.45M | +1 | — |
| Q4 2024 | 9 | -1 | 5.01M | $30.12M | — | −1 |
| Q3 2024 | 9 | -1 | 4.48M | $30.22M | +1 | −2 |
| Q2 2024 | 10 | — | 3.16M | $24.02M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.49M | -2.6% | $18.69M | 0.0% | ▼ Trim | 4 | SEC ↗ ×9 |
| 2 | Dimensional Fund Advisors Lp | 2.70M | +6.5% | $14.46M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 3 | Vanguard Capital Management Llc | 1.71M | — | $9.17M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Arrowstreet Capital ✦ | 1.53M | +48.9% | $8.16M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 5 | American Century Companies Inc | 1.32M | +13.1% | $7.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 1.32M | +30.9% | $7.04M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | AQR Capital Management ✦ | 1.22M | +39.7% | $6.53M | 0.0% | ▲ Add | 4 | SEC ↗ ×8 |
| 8 | State Street Global Advisors ✦ (passive) | 1.01M | -5.9% | $5.41M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 9 | Hotchkis & Wiley Capital Management… | 827.05K | +0.9% | $4.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 705.14K | -32.4% | $3.77M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 11 | Goldman Sachs Group ✦ | 624.90K | -3.4% | $3.34M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | New York State Common Retirement… | 590.76K | +3.5% | $3.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | Bank Of America Corp /De/ | 484.67K | -24.4% | $2.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 14 | Renaissance Technologies ✦ | 475.01K | +25.6% | $2.54M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 15 | Millennium Management ✦ | 466.32K | -4.7% | $2.49M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 456.38K | -17.7% | $2.44M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 17 | Two Sigma Investments ✦ | 433.66K | +4069.8% | $2.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Qube Research & Technologies Ltd | 415.10K | +151.8% | $2.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | Victory Capital Management Inc | 376.57K | +10.8% | $2.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Hrt Financial Lp | 360.07K | New | $1.93M | 0.0% | New | 1 | SEC ↗ |
| 21 | Charles Schwab Investment… | 340.32K | +7.5% | $1.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Northern Trust Corp | 340.18K | -9.5% | $1.82M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 23 | Morgan Stanley ✦ | 263.33K | -46.7% | $1.41M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 24 | Bank of New York Mellon Corp | 256.80K | +1.0% | $1.37M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 25 | Nomura Asset Management… | 244.85K | 0.0% | $1.31M | 0.0% | Held | 2 | SEC ↗ |
| 26 | Janus Henderson Group Plc | 187.52K | -0.6% | $1.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 183.54K | -7.3% | $981,924 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 28 | State Of Wisconsin Investment Board | 177.80K | -17.4% | $951,230 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Creative Planning | 168.56K | +133.2% | $901,769 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | First Trust Advisors Lp | 160.35K | +3.5% | $857,899 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | State Board Of Administration Of… | 131.63K | -44.9% | $704,199 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Invesco Ltd. | 111.52K | -1.7% | $596,622 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 33 | UBS Group AG | 104.06K | +364.6% | $556,732 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 34 | Nuveen, LLC | 100.90K | +0.8% | $539,809 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 35 | Prudential Financial Inc | 100.59K | +3.8% | $538,157 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Man Group plc | 94.51K | +64.2% | $505,645 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Alliancebernstein L.P. | 63.71K | 0.0% | $389,268 | 0.0% | Held | 2 | SEC ↗ |
| 38 | Canada Pension Plan Investment Board | 69.40K | -7.5% | $371,290 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | Wealth Enhancement Advisory… | 66.67K | +1.1% | $349,340 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | T. Rowe Price ✦ | 63.34K | +36.7% | $339,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | Squarepoint Ops LLC | 58.57K | +290.1% | $313,355 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Jane Street Group, Llc | 52.08K | -56.9% | $278,628 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 43 | Rhumbline Advisers | 51.14K | -4.7% | $273,599 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Sei Investments Co | 48.42K | +93.5% | $259,042 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 45 | Franklin Resources Inc | 43.86K | -27.1% | $234,663 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 46 | Point72 Asset Management ✦ | 37.73K | New | $201,845 | 0.0% | New | 1 | SEC ↗ |
| 47 | Russell Investments Group, Ltd. | 37.66K | +6.8% | $201,509 | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 48 | Deutsche Bank Ag\ | 37.16K | +17.9% | $198,827 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 49 | Connor, Clark & Lunn Investment… | 36.06K | New | $192,942 | 0.0% | New | 1 | SEC ↗ |
| 50 | Quantinno Capital Management LP | 31.59K | +58.0% | $169,002 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Federated Hermes, Inc. | 28.42K | -79.6% | $152,058 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 52 | Susquehanna International Group, Llp | 24.77K | New | $132,503 | 0.0% | New | 1 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 25.19K | -86.4% | $132,479 | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 54 | Lazard Asset Management Llc | 24.52K | -48.7% | $131,177 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Fidelity (FMR) ✦ | 23.40K | +309.9% | $125,199 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 56 | CIBC Bancorp USA Inc. | 23.38K | — | $125,105 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 57 | Mariner, LLC | 21.02K | +81.9% | $112,473 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 19.53K | +2.5% | $104,464 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Mercer Global Advisors Inc /Adv | 18.88K | New | $101,003 | 0.0% | New | 1 | SEC ↗ |
| 60 | Citigroup Inc | 17.27K | +176.7% | $92,399 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 61 | Wells Fargo & Company/Mn | 15.04K | -66.7% | $80,453 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Barclays Plc | 14.32K | -81.5% | $76,591 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 63 | Corient Private Wealth LP | 14.06K | -49.8% | $75,242 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Commonwealth Equity Services, Llc | 13.73K | -0.7% | $73,470 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Hsbc Holdings Plc | 13.38K | -84.1% | $70,673 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | Captrust Financial Advisors | 12.80K | +10.5% | $68,487 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Envestnet Asset Management Inc | 12.05K | -14.1% | $64,484 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Manufacturers Life Insurance… | 11.64K | -11.0% | $62,285 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Cerity Partners LLC | 10.79K | New | $57,716 | 0.0% | New | 1 | SEC ↗ ×2 |
| 70 | Legal & General Group Plc | 10.70K | -76.2% | $57,229 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 71 | Bnp Paribas Financial Markets | 10.32K | -0.1% | $55,228 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Cwm, Llc | 10.17K | +102.4% | $54,426 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Osaic Holdings, Inc. | 7.62K | -2.0% | $40,772 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Simplex Trading, Llc | 4.48K | +81.3% | $23,984 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Mirae Asset Global Investments Co.… | 3.73K | +7.3% | $17,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Group One Trading Llc | 3.18K | -11.5% | $17,013 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Royal Bank Of Canada | 2.25K | -55.0% | $12,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 78 | California State Teachers… | 2.22K | -94.4% | $11,893 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Pnc Financial Services Group, Inc. | 955 | +520.1% | $5,109 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Rockefeller Capital Management L.P. | 630 | +262.1% | $3,371 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 81 | UBS AM, a distinct business unit of… | 625 | -99.5% | $3,344 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Optiver Holding B.V. | 322 | -28.4% | $1,723 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Hrt Financial Lp | $1.93M | 0.0% |
| Point72 Asset Management | $201,845 | 0.0% |
| Connor, Clark & Lunn… | $192,942 | 0.0% |
| Susquehanna International… | $132,503 | 0.0% |
| Mercer Global Advisors Inc… | $101,003 | 0.0% |
| Cerity Partners LLC | $57,716 | 0.0% |
Exited
| Wellington Management | $781,890 | was 0.0% |
| Swiss National Bank | $512,629 | was 0.0% |
| Aviva Plc | $482,036 | was 0.0% |
| Principal Financial Group Inc | $389,708 | was 0.0% |
| Zurcher Kantonalbank (Zurich… | $128,658 | was 0.0% |
| ProShare Advisors LLC | $65,126 | was 0.0% |
| BNP Paribas Asset Management… | $8,000 | was 0.0% |
| Daiwa Securities Group Inc. | $2,000 | was 0.0% |
| Us Bancorp \De\ | $880 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 180 holders, 34.09M shares, $176.37M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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