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
- 21.3M
- −7.01M (−24.7%) vs. Q1 2025
- Total value
- $17.7M
- −$1.36M (−7.2%) 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 | $16.8M |
| Q2 2025 | 84 | $17.7M |
| Q1 2025 | 83 | $19.1M |
| Q4 2024 | 86 | $28.3M |
| Q3 2024 | 86 | $41.6M |
| Q2 2024 | 77 | $31.2M |
| Q1 2024 | 67 | $34.6M |
| Q4 2023 | 49 | $14.1M |
| 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 | $63.3M |
| 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 |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 15 | $12 | 0.00% | +15 | New |
| Clearstead Advisors, LLC | 70 | $59 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 85 | $71 | 0.00% | +16+23.2% | Added |
| Twin Peaks Wealth Advisors, LLC | 100 | $77 | 0.00% | +100 | New |
| Group One Trading, L.P. | 193 | $160 | 0.00% | −56,014−99.7% | Reduced |
| EverSource Wealth Advisors, LLC | 221 | $183 | 0.00% | +116+110.5% | Added |
| Mount Yale Investment Advisors, LLC | 500 | $415 | 0.00% | +500 | New |
| Wells Fargo & Company | 542 | $450 | 0.00% | −72,997−99.3% | Reduced |
| Skopos Labs, Inc. | 627 | $521 | 0.00% | +627 | New |
| Allworth Financial LP | 702 | $583 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 700 | $615 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 928 | $770 | 0.00% | −122−11.6% | Reduced |
| TD Waterhouse Canada Inc. | 1,555 | $1.28K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,565 | $1.30K | 0.00% | −10−0.6% | Reduced |
| Harbour Investments, Inc. | 1,711 | $1.42K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 2,741 | $2.27K | 0.00% | −116,188−97.7% | Reduced |
| BNP Paribas Arbitrage, SA | 3,009 | $2.50K | 0.00% | −5,407−64.2% | Reduced |
| GWM Advisors LLC | 5,000 | $4.15K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 6,012 | $5.00K | 0.00% | +4,692+355.5% | Added |
| Baader Bank INC | 10,000 | $5.13K | 0.00% | +10,000 | New |
| Royal Bank of Canada | 7,795 | $6.00K | 0.00% | −9,744−55.6% | Reduced |
| Point72 (DIFC) Ltd | 8,362 | $6.94K | 0.00% | +8,362 | New |
| Advisor Group Holdings, Inc. | 8,847 | $7.34K | 0.00% | +347+4.1% | Added |
| Janney Montgomery Scott LLC | 10,000 | $8.00K | 0.00% | 00.0% | Unchanged |
| Evanson Asset Management, LLC | 10,000 | $8.30K | 0.00% | 00.0% | Unchanged |
| Focus Financial Network, Inc. | 10,150 | $8.43K | 0.00% | 00.0% | Unchanged |
| Guerra Advisors Inc | 10,250 | $8.51K | 0.00% | +10,250 | New |
| Cubist Systematic Strategies, LLC | 11,112 | $9.22K | 0.00% | +11,112 | New |
| J. L. Bainbridge & Co., Inc. | 11,121 | $9.23K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 11,147 | $9.25K | 0.00% | −278,580−96.2% | Reduced |
| XTX Topco Ltd | 12,537 | $10.4K | 0.00% | +12,537 | New |
| Raymond James Financial Inc | 12,815 | $10.6K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 13,516 | $11.0K | 0.00% | +13,516 | New |
| Marshall Wace, LLP | 13,400 | $11.1K | 0.00% | +13,400 | New |
| Tower Research Capital LLC (TRC) | 13,479 | $11.2K | 0.00% | −218−1.6% | Reduced |
| Neuberger Berman Group LLC | 14,700 | $12.2K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 15,397 | $12.8K | 0.00% | +235+1.5% | Added |
| DnB Asset Management AS | 15,600 | $12.9K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 16,356 | $13.6K | 0.00% | +16,356 | New |
| NorthRock Partners, LLC | 16,750 | $13.9K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 17,037 | $14.1K | 0.00% | +7,746+83.4% | Added |
| Barclays PLC | 18,759 | $15.6K | 0.00% | −109,819−85.4% | Reduced |
| Wolverine Trading, LLC | 18,761 | $16.5K | 0.00% | +7,045+60.1% | Added |
| Ground Swell Capital, LLC | 19,990 | $16.6K | 0.03% | +19,990 | New |
| LVM Capital Management Ltd | 21,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 21,250 | $17.6K | 0.00% | +7,500+54.5% | Added |
| Two Sigma Securities, LLC | 22,220 | $18.4K | 0.00% | +22,220 | New |
| Jump Financial, LLC | 25,351 | $21.0K | 0.00% | +25,351 | New |
| Schonfeld Strategic Advisors LLC | 27,168 | $22.5K | 0.00% | +27,168 | New |
| LPL Financial LLC | 27,856 | $23.1K | 0.00% | −200−0.7% | Reduced |
| Regions Financial Corp | 30,000 | $24.9K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 31,235 | $25.9K | 0.00% | +31,235 | New |
| Two Sigma Advisers, LP | 34,200 | $28.4K | 0.00% | −22,700−39.9% | Reduced |
| Virtu Financial LLC | 36,768 | $31.0K | 0.00% | +36,768 | New |
| Commonwealth Equity Services, LLC | 46,001 | $38.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 48,329 | $40.1K | 0.00% | +32,089+197.6% | Added |
| Gsa Capital Partners LLP | 51,029 | $42.0K | 0.00% | +51,029 | New |
| Catalyst Funds Management Pty Ltd | 59,300 | $49.2K | 0.01% | +59,300 | New |
| Charles Schwab Investment Management Inc | 80,000 | $66.4K | 0.00% | −342,582−81.1% | Reduced |
| HSBC Holdings PLC | 77,933 | $68.6K | 0.00% | +63,151+427.2% | Added |
| Citadel Advisors LLC | 86,918 | $72.1K | 0.00% | +86,918 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 88,212 | $73.2K | 0.01% | +88,212 | New |
| HRT Financial LP | 95,094 | $78.0K | 0.00% | +95,094 | New |
| Bank of America Corp | 99,601 | $82.7K | 0.00% | +35,629+55.7% | Added |
| Jain Global LLC | 123,054 | $102.1K | 0.00% | +123,054 | New |
| Aster Capital Management (DIFC) Ltd | 144,853 | $120.2K | 0.03% | +144,853 | New |
| Morgan Stanley | 160,912 | $133.6K | 0.00% | −123,275−43.4% | Reduced |
| Squarepoint Ops LLC | 181,108 | $150.3K | 0.00% | −297,891−62.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 198,668 | $164.9K | 0.00% | +9,349+4.9% | Added |
| Northern Trust Corp | 263,377 | $218.6K | 0.00% | −710,621−73.0% | Reduced |
| Susquehanna International Group, LLP | 273,915 | $227.3K | 0.00% | −166,420−37.8% | Reduced |
| Goldman Sachs Group Inc | 334,953 | $278.0K | 0.00% | +147,026+78.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 386,334 | $320.7K | 0.01% | +386,334 | New |
| UBS Group AG | 412,462 | $342.3K | 0.00% | −42,924−9.4% | Reduced |
| Qube Research & Technologies Ltd | 416,374 | $345.6K | 0.00% | +325,340+357.4% | Added |
| Jane Street Group, LLC | 458,729 | $380.7K | 0.00% | +458,729 | New |
| State Street Corp | 516,571 | $428.8K | 0.00% | −1,210,519−70.1% | Reduced |
| Geode Capital Management, LLC | 1,300,379 | $1.08M | 0.00% | −1,545,413−54.3% | Reduced |
| Renaissance Technologies LLC | 1,812,251 | $1.50M | 0.00% | −42,850−2.3% | Reduced |
| Millennium Management LLC | 2,047,535 | $1.70M | 0.00% | +2,047,535 | New |
| BlackRock, Inc. | 2,148,010 | $1.78M | 0.00% | −7,477,355−77.7% | Reduced |
| Ameriprise Financial Inc | 2,973,205 | $2.47M | 0.00% | +2,973,205 | New |
| Vanguard Group Inc | 5,833,127 | $4.84M | 0.00% | −752,785−11.4% | Reduced |
| 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 |
| 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 |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −41,846−100.0% | 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 |