Atossa TherapeuticsATOS
13F holders, Q1 2025 (March 31)83holders −3
9new positions
12sold out
2famous investors
$0.67avg. 13F price*
At the end of Q1 2025, 83 institutions reported holding Atossa Therapeutics Inc. (ATOS) in their 13F filings, down 3 from Q4 2024. 9 opened new positions and 12 sold out. The largest holders were BlackRock, Inc. ($6.5M), Vanguard Group Inc. ($4.4M) and Geode Capital Management, LLC ($1.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Atossa Therapeutics Inc.
- CUSIP
- 04962H506
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $365K |
| Exits | 12 | $1.0M |
All 13F filers, Q4 2024 → Q1 2025: 1,324,080 shares bought and 2,896,671 shares sold, net −1,572,591 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 83 holders
| BlackRock, Inc. | 0.00% | Reduce -1.4% | 9,625,365 | $6.5M |
| Vanguard Group Inc. | 0.00% | Reduce -0.5% | 6,585,912 | $4.4M |
| Geode Capital Management, LLC | 0.00% | Add +1.1% | 2,845,792 | $1.9M |
| Renaissance Technologies | 0.00% | Add +19.1% | 1,855,101 | $1.2M |
| State Street Corp. | 0.00% | Reduce -1.6% | 1,727,090 | $1.2M |
| Northern Trust Corp. | 0.00% | Reduce -5.0% | 973,998 | $655K |
| Squarepoint Ops LLC | 0.00% | New | 478,999 | $322K |
| UBS Group AG | 0.00% | Reduce -59.5% | 455,386 | $306K |
| Susquehanna International Group, LLP | 0.00% | Add +94.7% | 440,335 | $296K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +40.1% | 422,582 | $284K |
| Bank of New York Mellon Corp | 0.00% | No change | 289,727 | $195K |
| Morgan Stanley | 0.00% | Reduce -37.1% | 284,187 | $191K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | No change | 189,319 | $127K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -45.5% | 187,927 | $126K |
| Nuveen, LLC | 0.00% | — | 170,733 | $115K |
| Rhumbline Advisers | 0.00% | Add +6.3% | 129,851 | $87K |
| Barclays PLC | 0.00% | Reduce -33.0% | 128,578 | $87K |
| JPMorgan Chase & Co. | 0.00% | Reduce -67.1% | 118,929 | $80K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -52.0% | 91,034 | $61K |
| Citigroup Inc. | 0.00% | Reduce -11.9% | 88,079 | $59K |
| Intech Investment Management LLC | 0.00% | Add +37.1% | 86,138 | $58K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 75,716 | $51K |
| Wells Fargo & Company | 0.00% | Add +2.5% | 73,539 | $49K |
| Bank of America Corp. | 0.00% | Reduce -42.6% | 63,972 | $43K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 61,966 | $42K |
| Invesco Ltd. | 0.00% | Reduce -2.8% | 58,669 | $39K |
| Two Sigma Advisers, LP | 0.00% | Add +34.2% | 56,900 | $38K |
| Group One Trading LLC | 0.00% | Add +318.5% | 56,207 | $38K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 51,198 | $35K |
| Commonwealth Equity Services, LLC | 0.00% | No change | 46,001 | $31K |
| Voya Investment Management LLC | 0.00% | Reduce -5.4% | 41,846 | $28K |
| SG Americas Securities, LLC | 0.00% | Reduce -64.1% | 37,248 | $25K |
| Regions Financial Corp. | 0.00% | No change | 30,000 | $20K |
| Cibc World Markets Corp. | 0.00% | Add +137.1% | 28,066 | $19K |
| LPL Financial LLC | 0.00% | Reduce -4.7% | 28,056 | $19K |
| ProShare Advisors LLC | 0.00% | Reduce -23.1% | 27,381 | $18K |
| Gallagher Capital Advisors, LLC | 0.01% | No change | 26,075 | $18K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 25,430 | $17K |
| LVM Capital Management Ltd. | 0.00% | No change | 21,000 | $14K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -59.0% | 19,020 | $13K |
| Royal Bank of Canada | 0.00% | Reduce -2.1% | 17,539 | $12K |
| Alliancebernstein L.P. | 0.00% | No change | 17,380 | $12K |
| NorthRock Partners, LLC | 0.00% | No change | 16,750 | $11K |
| AQR Capital Management | 0.00% | New | 16,240 | $11K |
| New York State Common Retirement Fund | 0.00% | No change | 15,800 | $11K |
| DNB Asset Management AS | 0.00% | No change | 15,600 | $10K |
| Victory Capital Management Inc. | 0.00% | Reduce -2.5% | 15,162 | $10K |
| HSBC Holdings PLC | 0.00% | Reduce -0.7% | 14,782 | $10K |
| Neuberger Berman Group LLC | 0.00% | Add +19.6% | 14,700 | $10K |
| PFG Investments, LLC | 0.00% | Reduce -7.7% | 13,750 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +1.9% | 13,697 | $9K |
| Farringdon Capital, Ltd. | 0.00% | New | 13,313 | $9K |
| Raymond James Financial Inc. | 0.00% | Reduce -31.9% | 12,815 | $9K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 12,392 | $8K |
| Wolverine Trading, LLC | 0.00% | New | 11,716 | $8K |
| Legal & General Group Plc | 0.00% | No change | 11,829 | $8K |
| J. L. Bainbridge & Co., Inc. | 0.00% | No change | 11,121 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 10,600 | $7K |
| Janney Montgomery Scott LLC | 0.00% | No change | 10,000 | $7K |
| Focus Financial Network, Inc. | 0.00% | New | 10,150 | $7K |
| Mariner, LLC | 0.00% | New | 10,104 | $7K |
| Evanson Asset Management, LLC | 0.00% | No change | 10,000 | $7K |
| FMR LLC | 0.00% | Reduce -17.7% | 9,291 | $6K |
| California State Teachers Retirement System | 0.00% | No change | 9,165 | $6K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.6% | 8,500 | $6K |
| BNP Paribas Financial Markets | 0.00% | Reduce -47.3% | 8,416 | $6K |
| NewEdge Advisors, LLC | 0.00% | No change | 5,000 | $3K |
| Amalgamated Bank | 0.00% | No change | 4,376 | $3K |
| Simplex Trading, LLC | 0.00% | Add +579.8% | 4,140 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -46.8% | 1,904 | $1K |
| Harbour Investments, Inc. | 0.00% | No change | 1,711 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.6% | 1,575 | $1K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 1,555 | $1K |
| Cwm, LLC | 0.00% | Add +4788.9% | 1,320 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Add +837.5% | 1,050 | $707 |
| Allworth Financial LP | 0.00% | No change | 702 | $515 |
| Jones Financial Companies LLLP | 0.00% | New | 700 | $487 |
| Rise Advisors, LLC | 0.00% | New | 650 | $437 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +228.1% | 105 | $71 |
| Clearstead Advisors, LLC | 0.00% | No change | 70 | $48 |
| True Wealth Design, LLC | 0.00% | New | 69 | $47 |
| Larson Financial Group LLC | 0.00% | Reduce -80.0% | 20 | $13 |
| 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.