Armata PharmaceuticalsARMP
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 53 institutions reported holding Armata Pharmaceuticals Inc. (ARMP) in their 13F filings, up 8 from Q1 2026. 19 opened new positions and 11 sold out. The largest holders were Madison Asset Management, LLC ($13.7M), BlackRock, Inc. ($3.6M) and Vanguard Capital Management LLC ($3.2M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Armata Pharmaceuticals Inc.
- CUSIP
- 04216R102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $1.5M |
| Exits | 11 | $4.7M |
All 13F filers, Q1 2026 → Q2 2026: 1,539,701 shares bought and 484,488 shares sold, net +1,055,213 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 53 holders
| Madison Asset Management, LLC | 0.16% | Reduce -0.0% | 2,107,175 | $13.7M |
| BlackRock, Inc. | 0.00% | Add +760.9% | 559,986 | $3.6M |
| Vanguard Capital Management LLC | 0.00% | Add +33.3% | 487,968 | $3.2M |
| Millennium Management | 0.00% | Add +82.4% | 470,500 | $3.0M |
| Geode Capital Management, LLC | 0.00% | Add +136.2% | 270,550 | $1.8M |
| Dauntless Investment Group, LLC | 2.29% | Add +125.1% | 203,891 | $1.3M |
| State Street Corp. | 0.00% | Add +155.1% | 129,600 | $840K |
| Northern Trust Corp. | 0.00% | Add +264.3% | 89,791 | $582K |
| Vanguard Portfolio Management LLC | 0.00% | New | 81,354 | $527K |
| Edgewood Management LLC | 0.01% | Reduce -20.0% | 80,000 | $518K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +17.1% | 79,495 | $515K |
| Grey Ledge Advisors, LLC | 0.07% | Add +66.7% | 50,000 | $324K |
| Renaissance Technologies | 0.00% | Add +25.5% | 48,318 | $313K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 44,682 | $290K |
| SeaCrest Wealth Management, LLC | 0.03% | No change | 41,524 | $269K |
| Bank of New York Mellon Corp | 0.00% | New | 29,749 | $193K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 28,857 | $187K |
| Hudson Bay Capital Management LP | 0.00% | No change | 17,584 | $114K |
| Nuveen, LLC | 0.00% | New | 15,905 | $103K |
| New York State Common Retirement Fund | 0.00% | New | 15,400 | $100K |
| UBS Group AG | 0.00% | Add +214.9% | 13,697 | $89K |
| Captrust Financial Advisors | 0.00% | No change | 13,140 | $85K |
| Deutsche Bank AG | 0.00% | New | 11,966 | $78K |
| Bank of America Corp. | 0.00% | Reduce -3.5% | 11,305 | $73K |
| XTX Topco Ltd | 0.00% | New | 10,826 | $70K |
| Wells Fargo & Company | 0.00% | Add +1081800.0% | 10,819 | $70K |
| Rhumbline Advisers | 0.00% | New | 8,453 | $55K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 6,095 | $39K |
| Citigroup Inc. | 0.00% | Add +8.6% | 5,603 | $36K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 5,461 | $35K |
| JPMorgan Chase & Co. | 0.00% | New | 4,916 | $32K |
| Morgan Stanley | 0.00% | Add +36.1% | 4,583 | $30K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 3,964 | $26K |
| BNP Paribas Financial Markets | 0.00% | New | 3,038 | $20K |
| Barclays PLC | 0.00% | Add +1837.7% | 2,984 | $19K |
| STRS Ohio | 0.00% | New | 2,300 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +634.3% | 2,034 | $13K |
| Cornerstone National Bank & Trust Co | 0.00% | No change | 1,428 | $8K |
| Legal & General Group Plc | 0.00% | New | 1,161 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 1,076 | $7K |
| Measured Wealth Private Client Group, LLC | 0.00% | No change | 1,000 | $6K |
| Russell Investments Group, Ltd. | 0.00% | New | 969 | $6K |
| Simplex Trading, LLC | 0.00% | New | 794 | $5K |
| Trifecta Capital Advisors, LLC | 0.00% | No change | 714 | $5K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 571 | $4K |
| Royal Bank of Canada | 0.00% | New | 497 | $3K |
| FMR LLC | 0.00% | Add +1554.5% | 364 | $2K |
| Silver Grove Financial Group, Inc. | 0.00% | No change | 200 | $1K |
| Salem Investment Counselors Inc. | 0.00% | No change | 100 | $648 |
| Geneos Wealth Management Inc. | 0.00% | No change | 92 | $596 |
| Whittier Trust Co. | 0.00% | No change | 100 | $544 |
| Sterling Capital Management LLC | 0.00% | New | 42 | $272 |
| SBI Securities Co., Ltd. | 0.00% | No change | 3 | $19 |
"% of holder's portfolio" is ARMP's weight in each manager's 13F, not the share of Armata Pharmaceuticals Inc. the manager owns.