Armata Pharmaceuticals, Inc.
ARMP- Exchange
- NYSE
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000921114
No open-market purchases or sales by Armata Pharmaceuticals, Inc. insiders were filed in the last 90 days; 53 institutions reported holding it in 13F filings for Q2 2026, worth $32.3M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Armata Pharmaceuticals, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 45
- +10 vs. Q4 2025
- Shares held
- 3.93M
- +3.04M (+341.3%) vs. Q4 2025
- Total value
- $40.2M
- +$34.6M (+617.5%) vs. Q4 2025
- New holders
- 13
- 11 more added
- Sold out
- 3
- 4 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARMP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 53 | $32.3M |
| Q1 2026 | 45 | $40.2M |
| Q4 2025 | 36 | $7.85M |
| Q3 2025 | 28 | $2.27M |
| Q2 2025 | 29 | $1.40M |
| Q1 2025 | 26 | $1.08M |
| Q4 2024 | 24 | $2.57M |
| Q3 2024 | 24 | $3.28M |
| Q2 2024 | 23 | $3.86M |
| Q1 2024 | 24 | $5.93M |
| Q4 2023 | 25 | $4.17M |
| Q3 2023 | 23 | $3.85M |
| Q2 2023 | 22 | $1.35M |
| Q1 2023 | 23 | $2.06M |
| Q4 2022 | 26 | $1.61M |
| Q3 2022 | 20 | $5.73M |
| Q2 2022 | 19 | $5.25M |
| Q1 2022 | 20 | $6.61M |
| Q4 2021 | 17 | $7.25M |
| Q3 2021 | 20 | $4.32M |
| Q2 2021 | 21 | $4.59M |
| Q1 2021 | 23 | $5.62M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Armata Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Madison Asset Management, LLC | 2,107,675 | $21.6M | 0.27% | +2,107,675 | New |
| Vanguard Capital Management LLC | 366,028 | $3.75M | 0.00% | +366,028 | New |
| Millennium Management LLC | 257,992 | $2.64M | 0.00% | +231,904+888.9% | Added |
| 683 Capital Management, LLC | 137,000 | $1.40M | 0.13% | −2,860−2.0% | Reduced |
| Geode Capital Management, LLC | 114,555 | $1.17M | 0.00% | +4,667+4.2% | Added |
| Edgewood Management LLC | 100,000 | $1.02M | 0.01% | 00.0% | Unchanged |
| Dauntless Investment Group, LLC | 90,580 | $927.5K | 2.61% | +84,449+1,377.4% | Added |
| SEI Investments Co | 74,192 | $759.7K | 0.00% | +74,192 | New |
| Vanguard Fiduciary Trust Co | 67,864 | $694.9K | 0.00% | +67,864 | New |
| BlackRock, Inc. | 65,050 | $666.1K | 0.00% | −7,714−10.6% | Reduced |
| Susquehanna International Group, LLP | 64,759 | $663.1K | 0.00% | +40,399+165.8% | Added |
| EAM Investors, LLC | 60,955 | $624.2K | 0.07% | +60,955 | New |
| Goldman Sachs Group Inc | 60,953 | $624.2K | 0.00% | +15,790+35.0% | Added |
| State Street Corp | 50,800 | $520.2K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 44,682 | $457.5K | 0.01% | 00.0% | Unchanged |
| SeaCrest Wealth Management, LLC | 41,524 | $425.2K | 0.05% | +536+1.3% | Added |
| Renaissance Technologies LLC | 38,496 | $394.2K | 0.00% | −30,000−43.8% | Reduced |
| GSB Wealth Management, LLC | 30,000 | $307.2K | 0.07% | 00.0% | Unchanged |
| Jane Street Group, LLC | 27,998 | $286.7K | 0.00% | +10,845+63.2% | Added |
| Qube Research & Technologies Ltd | 26,628 | $272.7K | 0.00% | +3,272+14.0% | Added |
| Northern Trust Corp | 24,646 | $252.4K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 17,584 | $180.1K | 0.00% | +17,584 | New |
| Captrust Financial Advisors | 13,140 | $134.6K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 11,714 | $120.0K | 0.00% | +8,198+233.2% | Added |
| HRT Financial LP | 10,595 | $108.0K | 0.00% | +10,595 | New |
| Citigroup Inc | 5,160 | $52.8K | 0.00% | +5,160 | New |
| UBS Group AG | 4,349 | $44.5K | 0.00% | +3,328+326.0% | Added |
| Vanguard Global Advisers, LLC | 3,964 | $40.6K | 0.00% | +3,964 | New |
| Morgan Stanley | 3,367 | $34.5K | 0.00% | +1,098+48.4% | Added |
| Cornerstone National Bank & Trust Co | 1,428 | $15.1K | 0.01% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 1,000 | $10.2K | 0.00% | 00.0% | Unchanged |
| Trifecta Capital Advisors, LLC | 714 | $7.31K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 571 | $5.85K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 357 | $3.66K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 277 | $2.84K | 0.00% | −1,327−82.7% | Reduced |
| Silver Grove Financial Group, Inc. | 200 | $2.05K | 0.00% | +200 | New |
| Barclays PLC | 154 | $1.58K | 0.00% | +154 | New |
| Whittier Trust Co | 100 | $1.05K | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 100 | $1.02K | 0.00% | +100 | New |
| Geneos Wealth Management Inc. | 92 | $942 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 71 | $728 | 0.00% | 00.0% | Unchanged |
| Team Financial Group, LLC | 71 | $727 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 22 | $225 | 0.00% | +22 | New |
| SBI Securities Co., Ltd. | 3 | $31 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1 | $5 | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 0 | $0 | 0.00% | −28,125−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,786−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −710−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |