Who Owns Atossa Therapeutics Inc (ATOS)? -- Institutional Holders (2026-06-30)
36 institutions reported holding $2.6M of Atossa Therapeutics Inc (ATOS) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($805,619), AMERIPRISE FINANCIAL INC ($498,392), BlackRock, Inc. ($317,211), RENAISSANCE TECHNOLOGIES LLC ($254,843), GEODE CAPITAL MANAGEMENT, LLC ($178,343). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $805,619 | 417,419 | Added |
| 2 | AMERIPRISE FINANCIAL INC | $498,392 | 258,234 | Added |
| 3 | BlackRock, Inc. | $317,211 | 164,358 | Added |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $254,843 | 132,043 | Added |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $178,343 | 92,382 | Trimmed |
| 6 | UBS Group AG | $159,456 | 82,620 | Trimmed |
| 7 | JANE STREET GROUP, LLC | $109,242 | 56,602 | New |
| 8 | MILLENNIUM MANAGEMENT LLC | $89,760 | 46,508 | Trimmed |
| 9 | STATE STREET CORP | $76,739 | 39,761 | Hold |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $51,867 | 26,874 | Trimmed |
| 11 | NORTHERN TRUST CORP | $39,081 | 20,249 | Added |
| 12 | MORGAN STANLEY | $23,825 | 12,345 | Trimmed |
| 13 | Royal Bank of Canada | $4,000 | 1,994 | Added |
| 14 | JONES FINANCIAL COMPANIES LLLP | $3,875 | 2,061 | Hold |
| 15 | MCF Advisors LLC | $2,058 | 1,066 | New |
| 16 | OSAIC HOLDINGS, INC. | $1,131 | 587 | Hold |
| 17 | JPMORGAN CHASE & CO | $772 | 390 | Added |
| 18 | Rockefeller Capital Management L.P. | $643 | 333 | Trimmed |
| 19 | WELLS FARGO & COMPANY/MN | $440 | 228 | Trimmed |
| 20 | SBI Securities Co., Ltd. | $286 | 148 | Added |
| 21 | HARBOUR INVESTMENTS, INC. | $212 | 110 | Hold |
| 22 | TD Waterhouse Canada Inc. | $210 | 103 | Hold |
| 23 | BNP PARIBAS FINANCIAL MARKETS | $168 | 87 | Trimmed |
| 24 | GROUP ONE TRADING LLC | $104 | 54 | Trimmed |
| 25 | Caitong International Asset Management Co., Ltd | $12 | 6 | New |
Source: SEC Form 13F filings · as of 2026-06-30