Atossa TherapeuticsATOS
13F holders, Q2 2025 (June 30)83holders
28new positions
28sold out
4famous investors
$0.83avg. 13F price*
At the end of Q2 2025, 83 institutions reported holding Atossa Therapeutics Inc. (ATOS) in their 13F filings, unchanged from Q1 2025. 28 opened new positions and 28 sold out. The largest holders were Vanguard Group Inc. ($4.8M), Ameriprise Financial Inc. ($2.5M) and BlackRock, Inc. ($1.8M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Atossa Therapeutics Inc.
- CUSIP
- 04962H506
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $5.6M |
| Exits | 28 | $699K |
All 13F filers, Q1 2025 → Q2 2025: 7,414,036 shares bought and 14,423,723 shares sold, net −7,009,687 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 83 holders
| Vanguard Group Inc. | 0.00% | Reduce -11.4% | 5,833,127 | $4.8M |
| Ameriprise Financial Inc. | 0.00% | New | 2,973,205 | $2.5M |
| BlackRock, Inc. | 0.00% | Reduce -77.7% | 2,148,010 | $1.8M |
| Millennium Management | 0.00% | New | 2,047,535 | $1.7M |
| Renaissance Technologies | 0.00% | Reduce -2.3% | 1,812,251 | $1.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -54.3% | 1,300,379 | $1.1M |
| State Street Corp. | 0.00% | Reduce -70.1% | 516,571 | $429K |
| Jane Street Group, LLC | 0.00% | New | 458,729 | $381K |
| Qube Research & Technologies Ltd | 0.00% | Add +357.4% | 416,374 | $346K |
| UBS Group AG | 0.00% | Reduce -9.4% | 412,462 | $342K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | New | 386,334 | $321K |
| Goldman Sachs Group Inc. | 0.00% | Add +78.2% | 334,953 | $278K |
| Susquehanna International Group, LLP | 0.00% | Reduce -37.8% | 273,915 | $227K |
| Northern Trust Corp. | 0.00% | Reduce -73.0% | 263,377 | $219K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +4.9% | 198,668 | $165K |
| Squarepoint Ops LLC | 0.00% | Reduce -62.2% | 181,108 | $150K |
| Morgan Stanley | 0.00% | Reduce -43.4% | 160,912 | $134K |
| Aster Capital Management (DIFC) Ltd | 0.03% | New | 144,853 | $120K |
| Jain Global LLC | 0.00% | New | 123,054 | $102K |
| Bank of America Corp. | 0.00% | Add +55.7% | 99,601 | $83K |
| HRT Financial LP | 0.00% | New | 95,094 | $78K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | New | 88,212 | $73K |
| Citadel Advisors | 0.00% | New | 86,918 | $72K |
| HSBC Holdings PLC | 0.00% | Add +427.2% | 77,933 | $69K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -81.1% | 80,000 | $66K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 59,300 | $49K |
| Gsa Capital Partners LLP | 0.00% | New | 51,029 | $42K |
| AQR Capital Management | 0.00% | Add +197.6% | 48,329 | $40K |
| Commonwealth Equity Services, LLC | 0.00% | No change | 46,001 | $38K |
| Virtu Financial LLC | 0.00% | New | 36,768 | $31K |
| Two Sigma Advisers, LP | 0.00% | Reduce -39.9% | 34,200 | $28K |
| Hudson Bay Capital Management LP | 0.00% | New | 31,235 | $26K |
| Regions Financial Corp. | 0.00% | No change | 30,000 | $25K |
| LPL Financial LLC | 0.00% | Reduce -0.7% | 27,856 | $23K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 27,168 | $23K |
| Jump Financial, LLC | 0.00% | New | 25,351 | $21K |
| Two Sigma Securities, LLC | 0.00% | New | 22,220 | $18K |
| PFG Investments, LLC | 0.00% | Add +54.5% | 21,250 | $18K |
| LVM Capital Management Ltd. | 0.00% | No change | 21,000 | $17K |
| Ground Swell Capital, LLC | 0.03% | New | 19,990 | $17K |
| Wolverine Trading, LLC | 0.00% | Add +60.1% | 18,761 | $17K |
| Barclays PLC | 0.00% | Reduce -85.4% | 18,759 | $16K |
| FMR LLC | 0.00% | Add +83.4% | 17,037 | $14K |
| NorthRock Partners, LLC | 0.00% | No change | 16,750 | $14K |
| Alpine Global Management, LLC | 0.00% | New | 16,356 | $14K |
| DNB Asset Management AS | 0.00% | No change | 15,600 | $13K |
| Victory Capital Management Inc. | 0.00% | Add +1.6% | 15,397 | $13K |
| Neuberger Berman Group LLC | 0.00% | No change | 14,700 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -1.6% | 13,479 | $11K |
| Marshall Wace, LLP | 0.00% | New | 13,400 | $11K |
| ExodusPoint Capital Management, LP | 0.00% | New | 13,516 | $11K |
| Raymond James Financial Inc. | 0.00% | No change | 12,815 | $11K |
| XTX Topco Ltd | 0.00% | New | 12,537 | $10K |
| Bank of New York Mellon Corp | 0.00% | Reduce -96.2% | 11,147 | $9K |
| J. L. Bainbridge & Co., Inc. | 0.00% | No change | 11,121 | $9K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 11,112 | $9K |
| Guerra Advisors Inc | 0.00% | New | 10,250 | $9K |
| Focus Financial Network, Inc. | 0.00% | No change | 10,150 | $8K |
| Evanson Asset Management, LLC | 0.00% | No change | 10,000 | $8K |
| Janney Montgomery Scott LLC | 0.00% | No change | 10,000 | $8K |
| Osaic Holdings, Inc. | 0.00% | Add +4.1% | 8,847 | $7K |
| Point72 (DIFC) Ltd | 0.00% | New | 8,362 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -55.6% | 7,795 | $6K |
| Baader Bank Aktiengesellschaft | 0.00% | New | 10,000 | $5K |
| Cwm, LLC | 0.00% | Add +355.4% | 6,012 | $5K |
| NewEdge Advisors, LLC | 0.00% | No change | 5,000 | $4K |
| BNP Paribas Financial Markets | 0.00% | Reduce -64.3% | 3,009 | $2K |
| JPMorgan Chase & Co. | 0.00% | Reduce -97.7% | 2,741 | $2K |
| Harbour Investments, Inc. | 0.00% | No change | 1,711 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -0.6% | 1,565 | $1K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 1,555 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -11.6% | 928 | $770 |
| Jones Financial Companies LLLP | 0.00% | No change | 700 | $615 |
| Allworth Financial LP | 0.00% | No change | 702 | $583 |
| Brooklyn Investment Group | 0.00% | New | 627 | $521 |
| Wells Fargo & Company | 0.00% | Reduce -99.3% | 542 | $450 |
| Elevation Point Wealth Partners, LLC | 0.00% | New | 500 | $415 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +110.5% | 221 | $183 |
| Group One Trading LLC | 0.00% | Reduce -99.7% | 193 | $160 |
| Twin Peaks Wealth Advisors, LLC | 0.00% | New | 100 | $77 |
| True Wealth Design, LLC | 0.00% | Add +23.2% | 85 | $71 |
| Clearstead Advisors, LLC | 0.00% | No change | 70 | $59 |
| Hantz Financial Services, Inc. | 0.00% | No change | 82 | $0 |
"% of holder's portfolio" is ATOS's weight in each manager's 13F, not the share of Atossa Therapeutics Inc. the manager owns.