Armata PharmaceuticalsARMP
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 36 institutions reported holding Armata Pharmaceuticals Inc. (ARMP) in their 13F filings, up 8 from Q3 2025. 12 opened new positions and 4 sold out. The largest holders were Vanguard Group Inc. ($2.2M), 683 Capital Management, LLC ($878K) and Geode Capital Management, LLC ($690K). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Armata Pharmaceuticals Inc.
- CUSIP
- 04216R102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $2.0M |
| Exits | 4 | $9K |
All 13F filers, Q3 2025 → Q4 2025: 491,084 shares bought and 3,230 shares sold, net +487,854 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 36 holders
| Vanguard Group Inc. | 0.00% | Add +20.4% | 357,649 | $2.2M |
| 683 Capital Management, LLC | 0.08% | New | 139,860 | $878K |
| Geode Capital Management, LLC | 0.00% | Add +5.1% | 109,888 | $690K |
| Edgewood Management LLC | 0.00% | No change | 100,000 | $628K |
| BlackRock, Inc. | 0.00% | Add +172.9% | 72,764 | $457K |
| Renaissance Technologies | 0.00% | Add +65.9% | 68,496 | $430K |
| State Street Corp. | 0.00% | Add +26.1% | 50,800 | $319K |
| Goldman Sachs Group Inc. | 0.00% | New | 45,163 | $284K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 44,682 | $281K |
| SeaCrest Wealth Management, LLC | 0.03% | Add +17.3% | 40,988 | $274K |
| Grey Ledge Advisors, LLC | 0.04% | No change | 30,000 | $188K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 28,125 | $177K |
| Millennium Management | 0.00% | New | 26,088 | $164K |
| Northern Trust Corp. | 0.00% | Add +27.9% | 24,646 | $155K |
| Susquehanna International Group, LLP | 0.00% | New | 24,360 | $153K |
| Qube Research & Technologies Ltd | 0.00% | New | 23,356 | $147K |
| Jane Street Group, LLC | 0.00% | New | 17,153 | $108K |
| Captrust Financial Advisors | 0.00% | No change | 13,140 | $83K |
| Citadel Advisors | 0.00% | New | 10,786 | $68K |
| Dauntless Investment Group, LLC | 0.14% | New | 6,131 | $39K |
| Bank of America Corp. | 0.00% | Add +50128.6% | 3,516 | $22K |
| Morgan Stanley | 0.00% | Add +113350.0% | 2,269 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +351.8% | 1,604 | $10K |
| Cornerstone National Bank & Trust Co | 0.00% | No change | 1,428 | $9K |
| UBS Group AG | 0.00% | Add +2220.4% | 1,021 | $6K |
| Measured Wealth Private Client Group, LLC | 0.00% | No change | 1,000 | $6K |
| Trifecta Capital Advisors, LLC | 0.00% | No change | 714 | $4K |
| BNP Paribas Financial Markets | 0.00% | New | 710 | $4K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 571 | $4K |
| Osaic Holdings, Inc. | 0.00% | Reduce -21.9% | 357 | $2K |
| Whittier Trust Co. | 0.00% | New | 100 | $587 |
| Geneos Wealth Management Inc. | 0.00% | New | 92 | $578 |
| Team Financial Group, LLC | 0.00% | No change | 71 | $446 |
| MAI Capital Management | 0.00% | No change | 71 | $446 |
| SBI Securities Co., Ltd. | 0.00% | No change | 3 | $19 |
| Wells Fargo & Company | 0.00% | No change | 1 | $3 |
"% of holder's portfolio" is ARMP's weight in each manager's 13F, not the share of Armata Pharmaceuticals Inc. the manager owns.