Armata Pharmaceuticals, Inc. - ARMP
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Madison Asset Management, LLC | History | New | 2,107,675 | 21,582 | 0.27% | — | 1 | +2,107,675 | New | Q1 2026 | May 07, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 366,028 | 3,748 | 0.0% | — | 2 | +366,028 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 257,992 | 2,641 | 0.0% | 0.0% | 3 | +231,904 | 888.93% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 357,649 | 2,246 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| 683 Capital Management, LLC | History | Reduced | 137,000 | 1,402 | 0.07% | 0.04% | 5 | -2,860 | -2.04% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 114,555 | 1,173 | 0.0% | 0.0% | 6 | +4,667 | 4.25% | Q1 2026 | May 15, 2026 |
| EDGEWOOD MANAGEMENT LLC | History | No change | 100,000 | 1,024 | 0.01% | 0.0% | 7 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Dauntless Investment Group, LLC | History | Added to | 90,580 | 927 | 0.61% | 0.03% | 8 | +84,449 | 1377.41% | Q1 2026 | May 14, 2026 |
| SEI INVESTMENTS CO | History | New | 74,192 | 759 | 0.0% | — | 9 | +74,192 | New | Q1 2026 | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 67,864 | 694 | 0.0% | — | 10 | +67,864 | New | Q1 2026 | May 08, 2026 |
| BlackRock, Inc. | History | Reduced | 65,050 | 666 | 0.0% | 0.0% | 11 | -7,714 | -10.6% | Q1 2026 | May 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 64,759 | 663 | 0.0% | 0.0% | 12 | +40,399 | 165.84% | Q1 2026 | May 15, 2026 |
| Informed Momentum Co LLC | History | New | 60,955 | 624 | 0.07% | — | 14 | +60,955 | New | Q1 2026 | May 13, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 60,953 | 624 | 0.0% | 0.0% | 13 | +15,790 | 34.96% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | No change | 50,800 | 520 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 44,682 | 457 | 0.01% | 0.01% | 16 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| SeaCrest Wealth Management, LLC | History | Added to | 41,524 | 425 | 0.05% | 0.03% | 17 | +536 | 1.31% | Q1 2026 | Apr 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 38,496 | 394 | 0.0% | 0.0% | 18 | -30,000 | -43.8% | Q1 2026 | May 14, 2026 |
| Grey Ledge Advisors, LLC | History | No change | 30,000 | 307 | 0.07% | 0.04% | 19 | 0 | 0.0% | Q1 2026 | Apr 20, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 27,998 | 286 | 0.0% | 0.0% | 20 | +10,845 | 63.23% | Q1 2026 | May 12, 2026 |
| Qube Research & Technologies Ltd | History | Added to | 26,628 | 272 | 0.0% | 0.0% | 21 | +3,272 | 14.01% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | No change | 24,646 | 252 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Hudson Bay Capital Management LP | History | New | 17,584 | 180 | 0.0% | — | 23 | +17,584 | New | Q1 2026 | May 13, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | No change | 13,140 | 134 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 11,714 | 119 | 0.0% | 0.0% | 25 | +8,198 | 233.16% | Q1 2026 | May 15, 2026 |
| HRT FINANCIAL LP | History | New | 10,595 | 108 | 0.0% | — | 26 | +10,595 | New | Q1 2026 | May 14, 2026 |
| CITIGROUP INC | History | New | 5,160 | 52 | 0.0% | — | 27 | +5,160 | New | Q1 2026 | May 11, 2026 |
| UBS Group AG | History | Added to | 4,349 | 44 | 0.0% | 0.0% | 28 | +3,328 | 325.95% | Q1 2026 | May 05, 2026 |
| Vanguard Global Advisers, LLC | History | New | 3,964 | 40 | 0.0% | — | 29 | +3,964 | New | Q1 2026 | May 08, 2026 |
| MORGAN STANLEY | History | Added to | 3,367 | 34 | 0.0% | 0.0% | 30 | +1,098 | 48.39% | Q1 2026 | May 15, 2026 |
| Cornerstone National Bank & Trust Co | History | No change | 1,428 | 15 | 0.01% | 0.0% | 31 | 0 | 0.0% | Q1 2026 | Apr 14, 2026 |
| Measured Wealth Private Client Group, LLC | History | No change | 1,000 | 10 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Trifecta Capital Advisors, LLC | History | No change | 714 | 7 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | No change | 571 | 5 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 357 | 3 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 277 | 2 | 0.0% | 0.0% | 36 | -1,327 | -82.73% | Q1 2026 | May 15, 2026 |
| Silver Grove Financial Group, Inc. | History | New | 200 | 2 | 0.0% | — | 37 | +200 | New | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | New | 154 | 1 | 0.0% | — | 39 | +154 | New | Q1 2026 | May 14, 2026 |
| SALEM INVESTMENT COUNSELORS INC | History | New | 100 | 1 | 0.0% | — | 40 | +100 | New | Q1 2026 | Apr 29, 2026 |
| WHITTIER TRUST CO | History | No change | 100 | 1 | 0.0% | — | 38 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| OMERS ADMINISTRATION Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -28,125 | -100.0% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,786 | -100.0% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | 0.0% | — | -710 | -100.0% | Q1 2026 | May 12, 2026 |
| FMR LLC | History | New | 22 | 0 | — | — | — | +22 | New | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| MAI Capital Management | History | No change | 71 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Geneos Wealth Management Inc. | History | No change | 92 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| Team Financial Group, LLC | History | No change | 71 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| SBI Securities Co., Ltd. | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |