Security record · archived quarter
SIGA
SIGA Technologies, Inc. · Healthcare · Drug Manufacturers - Specialty & Generic
78Tracked holders
-1Δ holders
24.92MShares held
$90.83MReported value
+5New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth -1.3% ·
share flow +2.2% ·
net new positions -1.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.19M | +19.8% | $15.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Dimensional Fund Advisors Lp | 2.72M | +0.6% | $9.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Dimensional Fund Advisors Lp | 2.72M | +0.6% | $9.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Dimensional Fund Advisors Lp | 2.72M | +0.6% | $9.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Dimensional Fund Advisors Lp | 2.72M | +0.6% | $9.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Vanguard Capital Management Llc | 1.71M | -0.1% | $6.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | American Century Companies Inc | 1.51M | +14.3% | $5.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Arrowstreet Capital ✦ | 1.47M | -3.4% | $5.37M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 1.42M | +7.7% | $5.16M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 1.42M | +7.7% | $5.16M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 1.25M | +2.2% | $4.54M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 1.13M | +12.1% | $4.13M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | Hotchkis & Wiley Capital Management… | 914.05K | +10.5% | $3.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Qube Research & Technologies Ltd | 740.91K | +78.5% | $2.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | New York State Common Retirement… | 590.76K | 0.0% | $2.15M | 0.0% | Held | 3 | SEC ↗ |
| 28 | Millennium Management ✦ | 579.60K | +24.3% | $2.11M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 29 | Citadel Advisors ✦ | 551.25K | -21.8% | $2.01M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 30 | Citadel Advisors ✦ | 551.25K | -21.8% | $2.01M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 427.27K | -11.8% | $1.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Bank Of America Corp /De/ | 427.27K | -11.8% | $1.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Renaissance Technologies ✦ | 425.80K | -10.4% | $1.55M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 34 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 35 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 421.01K | +59.9% | $1.53M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | Goldman Sachs Group ✦ | 393.01K | -37.1% | $1.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | Goldman Sachs Group ✦ | 393.01K | -37.1% | $1.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 43 | Two Sigma Investments ✦ | 357.71K | -17.5% | $1.30M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Charles Schwab Investment… | 349.82K | +2.8% | $1.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Northern Trust Corp | 333.83K | -1.9% | $1.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Northern Trust Corp | 333.83K | -1.9% | $1.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Northern Trust Corp | 333.83K | -1.9% | $1.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Creative Planning | 275.53K | +63.5% | $1.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Creative Planning | 275.53K | +63.5% | $1.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Bank of New York Mellon Corp | 265.68K | +3.5% | $967,089 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Bank of New York Mellon Corp | 265.68K | +3.5% | $967,089 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Bank of New York Mellon Corp | 265.68K | +3.5% | $967,089 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | D. E. Shaw & Co. ✦ | 264.90K | -42.0% | $964,236 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 54 | D. E. Shaw & Co. ✦ | 264.90K | -42.0% | $964,236 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 55 | Victory Capital Management Inc | 260.06K | -30.9% | $946,626 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | Ameriprise Financial Inc | 193.37K | +5.4% | $703,860 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Ameriprise Financial Inc | 193.37K | +5.4% | $703,860 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | UBS Group AG | 182.00K | +74.9% | $662,473 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | UBS Group AG | 182.00K | +74.9% | $662,473 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | State Of Wisconsin Investment Board | 164.40K | -7.5% | $598,416 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | First Trust Advisors Lp | 159.51K | -0.5% | $580,612 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | Man Group plc | 157.35K | +66.5% | $572,747 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Invesco Ltd. | 113.09K | +1.4% | $411,651 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Invesco Ltd. | 113.09K | +1.4% | $411,651 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Invesco Ltd. | 113.09K | +1.4% | $411,651 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Alliancebernstein L.P. | 71.51K | +12.2% | $382,579 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Prudential Financial Inc | 104.19K | +3.6% | $379,252 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Nuveen, LLC | 100.90K | 0.0% | $367,272 | 0.0% | Held | 3 | SEC ↗ |
| 69 | Nuveen, LLC | 100.90K | 0.0% | $367,272 | 0.0% | Held | 3 | SEC ↗ |
| 70 | T. Rowe Price ✦ | 83.76K | +32.2% | $305,000 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 71 | Wealth Enhancement Advisory… | 74.16K | +11.2% | $266,216 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Connor, Clark & Lunn Investment… | 69.71K | +93.3% | $253,737 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Canada Pension Plan Investment Board | 69.40K | 0.0% | $252,616 | 0.0% | Held | 3 | SEC ↗ |
| 74 | Fidelity (FMR) ✦ | 58.86K | +151.5% | $214,243 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 75 | Fidelity (FMR) ✦ | 58.86K | +151.5% | $214,243 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 76 | Point72 Asset Management ✦ | 58.21K | +54.3% | $211,892 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Susquehanna International Group, Llp | 53.31K | +115.3% | $194,063 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Squarepoint Ops LLC | 51.04K | -12.9% | $185,786 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Rhumbline Advisers | 50.41K | -1.4% | $183,495 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Russell Investments Group, Ltd. | 44.05K | +17.0% | $160,361 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Deutsche Bank Ag\ | 37.87K | +1.9% | $137,847 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Tudor Investment Corp Et Al | 37.24K | New | $135,543 | 0.0% | New | 1 | SEC ↗ |
| 88 | Wells Fargo & Company/Mn | 35.40K | +135.4% | $128,852 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Quantinno Capital Management LP | 32.64K | +3.3% | $118,818 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Sei Investments Co | 28.52K | -41.1% | $103,810 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Sei Investments Co | 28.52K | -41.1% | $103,810 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Citigroup Inc | 28.41K | +64.5% | $103,416 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Citigroup Inc | 28.41K | +64.5% | $103,416 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | JPMorgan Chase ✦ | 26.72K | +6.1% | $96,471 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | JPMorgan Chase ✦ | 26.72K | +6.1% | $96,471 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | JPMorgan Chase ✦ | 26.72K | +6.1% | $96,471 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | JPMorgan Chase ✦ | 26.72K | +6.1% | $96,471 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 98 | CIBC Bancorp USA Inc. | 23.65K | +1.1% | $86,086 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | CIBC Bancorp USA Inc. | 23.65K | +1.1% | $86,086 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Cerity Partners LLC | 23.04K | +113.5% | $83,851 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Tudor Investment Corp Et Al | $135,543 | 0.0% |
Exited
| Hrt Financial Lp | $1.93M | was 0.0% |
| Nomura Asset Management… | $1.31M | was 0.0% |
| Jane Street Group, Llc | $278,628 | was 0.0% |
| Lazard Asset Management Llc | $131,177 | was 0.0% |
| Corient Private Wealth LP | $75,242 | was 0.0% |
| Optiver Holding B.V. | $1,723 | 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: Q2 2026 ·
Methodology ·
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