Armata Pharmaceuticals
Develops bacteriophage cocktails for serious antibiotic-resistant bacterial infections.
$5.37
After-hours close+0.05 (+0.94%)
At close$5.32(−2.03%)
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Breakdown13F · Form 4
Institutions 10.70%Insiders —
Shares outstanding 36.71M · Float 11.43M · 31.1% free float
Institutions13F, as of Mar 31, 2026
45 holders · 3.93M shares · 13 new positions · 24 increased · 4 reduced · 4 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Madison Asset Management, LLC | 2.11M | 5.74% | +2.11Mnew | May 7, 2026 |
| Vanguard Capital Management LLC | 366.0K | 1.00% | +366.0Knew | May 15, 2026 |
| Millennium Management LLC | 258.0K | 0.70% | +231.9K | May 15, 2026 |
| 683 Capital Management, LLC | 137.0K | 0.37% | −2.9K | May 15, 2026 |
| Geode Capital Management, LLC | 114.6K | 0.31% | +4.7K | May 15, 2026 |
| Edgewood Management LLC | 100.0K | 0.27% | 0 | May 14, 2026 |
| Dauntless Investment Group, LLC | 90.6K | 0.25% | +84.4K | May 14, 2026 |
| SEI Investments Co | 74.2K | 0.20% | +74.2Knew | May 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Innoviva, Inc.incl. Innoviva Strategic Opportunities LLC | 82.70% | 55.47M | 13D | May 13, 2026 ↗ |
InsidersForm 4
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.