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 |
|---|---|---|---|---|---|
| Wells Fargo & Company | 1 | $5 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 3 | $31 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 22 | $225 | 0.00% | +22 | New |
| Team Financial Group, LLC | 71 | $727 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 71 | $728 | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 92 | $942 | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 100 | $1.02K | 0.00% | +100 | New |
| Whittier Trust Co | 100 | $1.05K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 154 | $1.58K | 0.00% | +154 | New |
| Silver Grove Financial Group, Inc. | 200 | $2.05K | 0.00% | +200 | New |
| Tower Research Capital LLC (TRC) | 277 | $2.84K | 0.00% | −1,327−82.7% | Reduced |
| Advisor Group Holdings, Inc. | 357 | $3.66K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 571 | $5.85K | 0.00% | 00.0% | Unchanged |
| Trifecta Capital Advisors, LLC | 714 | $7.31K | 0.00% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 1,000 | $10.2K | 0.00% | 00.0% | Unchanged |
| Cornerstone National Bank & Trust Co | 1,428 | $15.1K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 3,367 | $34.5K | 0.00% | +1,098+48.4% | Added |
| Vanguard Global Advisers, LLC | 3,964 | $40.6K | 0.00% | +3,964 | New |
| UBS Group AG | 4,349 | $44.5K | 0.00% | +3,328+326.0% | Added |
| Citigroup Inc | 5,160 | $52.8K | 0.00% | +5,160 | New |
| HRT Financial LP | 10,595 | $108.0K | 0.00% | +10,595 | New |
| Bank of America Corp | 11,714 | $120.0K | 0.00% | +8,198+233.2% | Added |
| Captrust Financial Advisors | 13,140 | $134.6K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 17,584 | $180.1K | 0.00% | +17,584 | New |
| Northern Trust Corp | 24,646 | $252.4K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 26,628 | $272.7K | 0.00% | +3,272+14.0% | Added |
| Jane Street Group, LLC | 27,998 | $286.7K | 0.00% | +10,845+63.2% | Added |
| GSB Wealth Management, LLC | 30,000 | $307.2K | 0.07% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 38,496 | $394.2K | 0.00% | −30,000−43.8% | Reduced |
| SeaCrest Wealth Management, LLC | 41,524 | $425.2K | 0.05% | +536+1.3% | Added |
| Bridgeway Capital Management, LLC | 44,682 | $457.5K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 50,800 | $520.2K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 60,953 | $624.2K | 0.00% | +15,790+35.0% | Added |
| EAM Investors, LLC | 60,955 | $624.2K | 0.07% | +60,955 | New |
| Susquehanna International Group, LLP | 64,759 | $663.1K | 0.00% | +40,399+165.8% | Added |
| BlackRock, Inc. | 65,050 | $666.1K | 0.00% | −7,714−10.6% | Reduced |
| Vanguard Fiduciary Trust Co | 67,864 | $694.9K | 0.00% | +67,864 | New |
| SEI Investments Co | 74,192 | $759.7K | 0.00% | +74,192 | New |
| Dauntless Investment Group, LLC | 90,580 | $927.5K | 2.61% | +84,449+1,377.4% | Added |
| Edgewood Management LLC | 100,000 | $1.02M | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 114,555 | $1.17M | 0.00% | +4,667+4.2% | Added |
| 683 Capital Management, LLC | 137,000 | $1.40M | 0.13% | −2,860−2.0% | Reduced |
| Millennium Management LLC | 257,992 | $2.64M | 0.00% | +231,904+888.9% | Added |
| Vanguard Capital Management LLC | 366,028 | $3.75M | 0.00% | +366,028 | New |
| Madison Asset Management, LLC | 2,107,675 | $21.6M | 0.27% | +2,107,675 | New |
| 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 |