Who owns Armata Pharmaceuticals, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ARMP from SEC Form 13F filings across 53 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 53 institutions disclosed 5.0M shares of Armata Pharmaceuticals, Inc. worth $32.3M — about 13.6% of shares outstanding; the largest disclosed holder is Madison Asset Management, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
53
13F holders
$32.3M
value, 2026 filers
13.6%
of shares outstanding (5.0M sh)
19
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ARMP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Madison Asset Management, LLC | 2.1M | $13.7M | 0.2% | 5.7% | 0.0% |
| 2 | BlackRock, Inc. | 559,986 | $3.6M | 0.0% | 1.5% | +760.9% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 487,968 | $3.2M | 0.0% | 1.3% | +33.3% |
| 4 | MILLENNIUM MANAGEMENT LLC | 470,500 | $3.0M | 0.0% | 1.3% | +82.4% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 270,550 | $1.8M | 0.0% | 0.7% | +136.2% |
| 6 | Dauntless Investment Group, LLC | 203,891 | $1.3M | 1.0% | 0.6% | +125.1% |
| 7 | STATE STREET CORP | 129,600 | $839,808 | 0.0% | 0.4% | +155.1% |
| 8 | NORTHERN TRUST CORP | 89,791 | $581,845 | 0.0% | 0.2% | +264.3% |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 81,354 | $527,174 | 0.0% | 0.2% | new |
| 10 | EDGEWOOD MANAGEMENT LLC | 80,000 | $518,400 | 0.0% | 0.2% | -20.0% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 79,495 | $515,128 | 0.0% | 0.2% | +17.1% |
| 12 | Grey Ledge Advisors, LLC | 50,000 | $324,000 | 0.1% | 0.1% | +66.7% |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 48,318 | $313,101 | 0.0% | 0.1% | +25.5% |
| 14 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 44,682 | $289,539 | 0.0% | 0.1% | 0.0% |
| 15 | SeaCrest Wealth Management, LLC | 41,524 | $269,076 | 0.0% | 0.1% | 0.0% |
| 16 | Bank of New York Mellon CorpNEW | 29,749 | $192,774 | 0.0% | 0.1% | new |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INCNEW | 28,857 | $186,993 | 0.0% | 0.1% | new |
| 18 | Hudson Bay Capital Management LP | 17,584 | $113,944 | 0.0% | 0% | 0.0% |
| 19 | Nuveen, LLCNEW | 15,905 | $103,064 | 0.0% | 0% | new |
| 20 | NEW YORK STATE COMMON RETIREMENT FUNDNEW | 15,400 | $99,792 | 0.0% | 0% | new |
| 21 | UBS Group AG | 13,697 | $88,757 | 0.0% | 0% | +214.9% |
| 22 | CAPTRUST FINANCIAL ADVISORS | 13,140 | $85,147 | 0.0% | 0% | 0.0% |
| 23 | DEUTSCHE BANK AG\NEW | 11,966 | $77,540 | 0.0% | 0% | new |
| 24 | BANK OF AMERICA CORP /DE/ | 11,305 | $73,256 | 0.0% | 0% | -3.5% |
| 25 | XTX Topco LtdNEW | 10,826 | $70,152 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.