Atossa Therapeutics, Inc.
ATOS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001488039
No open-market purchases or sales by Atossa Therapeutics, Inc. insiders were filed in the last 90 days; 31 institutions reported holding it in 13F filings for Q2 2026, worth $2.60M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Atossa Therapeutics, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 84
- +1 vs. Q1 2025
- Shares held
- 21.4M
- −7.04M (−24.8%) vs. Q1 2025
- Total value
- $17.7M
- −$1.39M (−7.3%) vs. Q1 2025
- New holders
- 29
- 14 more added
- Sold out
- 28
- 23 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 31 | $2.60M |
| Q1 2026 | 33 | $6.52M |
| Q4 2025 | 67 | $13.0M |
| Q3 2025 | 67 | $16.9M |
| Q2 2025 | 84 | $17.7M |
| Q1 2025 | 83 | $19.1M |
| Q4 2024 | 86 | $28.3M |
| Q3 2024 | 86 | $41.8M |
| Q2 2024 | 77 | $31.2M |
| Q1 2024 | 67 | $37.4M |
| Q4 2023 | 49 | $14.2M |
| Q3 2023 | 54 | $11.9M |
| Q2 2023 | 52 | $20.2M |
| Q1 2023 | 45 | $11.9M |
| Q4 2022 | 51 | $9.49M |
| Q3 2022 | 59 | $15.8M |
| Q2 2022 | 73 | $25.4M |
| Q1 2022 | 83 | $45.4M |
| Q4 2021 | 92 | $64.2M |
| Q3 2021 | 93 | $102.1M |
| Q2 2021 | 90 | $225.8M |
| Q1 2021 | 54 | $22.8M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,833,127 | $4.84M | 0.00% | −752,785−11.4% | Reduced |
| Ameriprise Financial Inc | 2,973,205 | $2.47M | 0.00% | +2,973,205 | New |
| BlackRock, Inc. | 2,148,010 | $1.78M | 0.00% | −7,477,355−77.7% | Reduced |
| Millennium Management LLC | 2,047,535 | $1.70M | 0.00% | +2,047,535 | New |
| Renaissance Technologies LLC | 1,812,251 | $1.50M | 0.00% | −42,850−2.3% | Reduced |
| Geode Capital Management, LLC | 1,300,379 | $1.08M | 0.00% | −1,545,413−54.3% | Reduced |
| State Street Corp | 516,571 | $428.8K | 0.00% | −1,210,519−70.1% | Reduced |
| Jane Street Group, LLC | 458,729 | $380.7K | 0.00% | +458,729 | New |
| Qube Research & Technologies Ltd | 416,374 | $345.6K | 0.00% | +325,340+357.4% | Added |
| UBS Group AG | 412,462 | $342.3K | 0.00% | −42,924−9.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 386,334 | $320.7K | 0.01% | +386,334 | New |
| Goldman Sachs Group Inc | 334,953 | $278.0K | 0.00% | +147,026+78.2% | Added |
| Susquehanna International Group, LLP | 273,915 | $227.3K | 0.00% | −166,420−37.8% | Reduced |
| Northern Trust Corp | 263,377 | $218.6K | 0.00% | −710,621−73.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 198,668 | $164.9K | 0.00% | +9,349+4.9% | Added |
| Squarepoint Ops LLC | 181,108 | $150.3K | 0.00% | −297,891−62.2% | Reduced |
| Morgan Stanley | 160,912 | $133.6K | 0.00% | −123,275−43.4% | Reduced |
| Aster Capital Management (DIFC) Ltd | 144,853 | $120.2K | 0.03% | +144,853 | New |
| Jain Global LLC | 123,054 | $102.1K | 0.00% | +123,054 | New |
| Bank of America Corp | 99,601 | $82.7K | 0.00% | +35,629+55.7% | Added |
| HRT Financial LP | 95,094 | $78.0K | 0.00% | +95,094 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 88,212 | $73.2K | 0.01% | +88,212 | New |
| Citadel Advisors LLC | 86,918 | $72.1K | 0.00% | +86,918 | New |
| HSBC Holdings PLC | 77,933 | $68.6K | 0.00% | +63,151+427.2% | Added |
| Charles Schwab Investment Management Inc | 80,000 | $66.4K | 0.00% | −342,582−81.1% | Reduced |
| Catalyst Funds Management Pty Ltd | 59,300 | $49.2K | 0.01% | +59,300 | New |
| Gsa Capital Partners LLP | 51,029 | $42.0K | 0.00% | +51,029 | New |
| AQR Capital Management LLC | 48,329 | $40.1K | 0.00% | +32,089+197.6% | Added |
| Commonwealth Equity Services, LLC | 46,001 | $38.0K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 36,768 | $31.0K | 0.00% | +36,768 | New |
| Two Sigma Advisers, LP | 34,200 | $28.4K | 0.00% | −22,700−39.9% | Reduced |
| Hudson Bay Capital Management LP | 31,235 | $25.9K | 0.00% | +31,235 | New |
| Regions Financial Corp | 30,000 | $24.9K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 27,856 | $23.1K | 0.00% | −200−0.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 27,168 | $22.5K | 0.00% | +27,168 | New |
| Jump Financial, LLC | 25,351 | $21.0K | 0.00% | +25,351 | New |
| Two Sigma Securities, LLC | 22,220 | $18.4K | 0.00% | +22,220 | New |
| PFG Investments, LLC | 21,250 | $17.6K | 0.00% | +7,500+54.5% | Added |
| LVM Capital Management Ltd | 21,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Ground Swell Capital, LLC | 19,990 | $16.6K | 0.03% | +19,990 | New |
| Wolverine Trading, LLC | 18,761 | $16.5K | 0.00% | +7,045+60.1% | Added |
| Barclays PLC | 18,759 | $15.6K | 0.00% | −109,819−85.4% | Reduced |
| FMR LLC | 17,037 | $14.1K | 0.00% | +7,746+83.4% | Added |
| NorthRock Partners, LLC | 16,750 | $13.9K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 16,356 | $13.6K | 0.00% | +16,356 | New |
| DnB Asset Management AS | 15,600 | $12.9K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 15,397 | $12.8K | 0.00% | +235+1.5% | Added |
| Neuberger Berman Group LLC | 14,700 | $12.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 15,590 | $12.0K | 0.00% | −1,949−11.1% | Reduced |
| Tower Research Capital LLC (TRC) | 13,479 | $11.2K | 0.00% | −218−1.6% | Reduced |
| Marshall Wace, LLP | 13,400 | $11.1K | 0.00% | +13,400 | New |
| ExodusPoint Capital Management, LP | 13,516 | $11.0K | 0.00% | +13,516 | New |
| Raymond James Financial Inc | 12,815 | $10.6K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 12,537 | $10.4K | 0.00% | +12,537 | New |
| Bank of New York Mellon Corp | 11,147 | $9.25K | 0.00% | −278,580−96.2% | Reduced |
| J. L. Bainbridge & Co., Inc. | 11,121 | $9.23K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 11,112 | $9.22K | 0.00% | +11,112 | New |
| Guerra Advisors Inc | 10,250 | $8.51K | 0.00% | +10,250 | New |
| Focus Financial Network, Inc. | 10,150 | $8.43K | 0.00% | 00.0% | Unchanged |
| Evanson Asset Management, LLC | 10,000 | $8.30K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 10,000 | $8.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,847 | $7.34K | 0.00% | +347+4.1% | Added |
| Point72 (DIFC) Ltd | 8,362 | $6.94K | 0.00% | +8,362 | New |
| Baader Bank INC | 10,000 | $5.13K | 0.00% | +10,000 | New |
| CWM, LLC | 6,012 | $5.00K | 0.00% | +4,692+355.5% | Added |
| GWM Advisors LLC | 5,000 | $4.15K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3,009 | $2.50K | 0.00% | −5,407−64.2% | Reduced |
| JPMorgan Chase & Co | 2,741 | $2.27K | 0.00% | −116,188−97.7% | Reduced |
| Harbour Investments, Inc. | 1,711 | $1.42K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,565 | $1.30K | 0.00% | −10−0.6% | Reduced |
| TD Waterhouse Canada Inc. | 1,555 | $1.28K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 928 | $770 | 0.00% | −122−11.6% | Reduced |
| Jones Financial Companies LLLP | 700 | $615 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $583 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 627 | $521 | 0.00% | +627 | New |
| Wells Fargo & Company | 542 | $450 | 0.00% | −72,997−99.3% | Reduced |
| Mount Yale Investment Advisors, LLC | 500 | $415 | 0.00% | +500 | New |
| EverSource Wealth Advisors, LLC | 221 | $183 | 0.00% | +116+110.5% | Added |
| Group One Trading, L.P. | 193 | $160 | 0.00% | −56,014−99.7% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 100 | $77 | 0.00% | +100 | New |
| True Wealth Design, LLC | 85 | $71 | 0.00% | +16+23.2% | Added |
| Clearstead Advisors, LLC | 70 | $59 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 15 | $12 | 0.00% | +15 | New |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 0 | $0 | 0.00% | −170,733−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −129,851−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −88,079−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −86,138−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −83,692−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −75,716−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −61,966−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −58,669−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −51,198−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −37,248−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −28,066−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −27,381−100.0% | Sold out |
| Gallagher Capital Advisors, LLC | 0 | $0 | 0.00% | −26,075−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −25,430−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −19,020−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −17,380−100.0% | Sold out |