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, Q1 2025
Institutional positions in Atossa Therapeutics, Inc. as of Mar 31, 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
- 83
- −2 vs. Q4 2024
- Shares held
- 28.4M
- −1.40M (−4.7%) vs. Q4 2024
- Total value
- $19.1M
- −$9.01M (−32.1%) vs. Q4 2024
- New holders
- 10
- 18 more added
- Sold out
- 12
- 29 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 20 | $13 | 0.00% | −80−80.0% | Reduced |
| True Wealth Design, LLC | 69 | $47 | 0.00% | +69 | New |
| Clearstead Advisors, LLC | 70 | $48 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 105 | $71 | 0.00% | +73+228.1% | Added |
| Rise Advisors, LLC | 650 | $437 | 0.00% | +650 | New |
| Jones Financial Companies LLLP | 700 | $487 | 0.00% | +700 | New |
| Allworth Financial LP | 702 | $515 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,050 | $707 | 0.00% | +938+837.5% | Added |
| CWM, LLC | 1,320 | $1.00K | 0.00% | +1,293+4,788.9% | Added |
| TD Waterhouse Canada Inc. | 1,555 | $1.01K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,575 | $1.06K | 0.00% | +10+0.6% | Added |
| Harbour Investments, Inc. | 1,711 | $1.15K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,904 | $1.28K | 0.00% | −1,675−46.8% | Reduced |
| Simplex Trading, LLC | 4,140 | $2.00K | 0.00% | +3,531+579.8% | Added |
| Amalgamated Bank | 4,376 | $3.00K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 5,000 | $3.37K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 8,416 | $5.66K | 0.00% | −7,567−47.3% | Reduced |
| Advisor Group Holdings, Inc. | 8,500 | $5.70K | 0.00% | −50−0.6% | Reduced |
| California State Teachers Retirement System | 9,165 | $6.17K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 9,291 | $6.25K | 0.00% | −2,002−17.7% | Reduced |
| Evanson Asset Management, LLC | 10,000 | $6.73K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 10,104 | $6.80K | 0.00% | +10,104 | New |
| Focus Financial Network, Inc. | 10,150 | $6.83K | 0.00% | +10,150 | New |
| Janney Montgomery Scott LLC | 10,000 | $7.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $7.13K | 0.00% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 11,121 | $7.48K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 11,829 | $7.96K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 11,716 | $8.16K | 0.00% | +11,716 | New |
| Ameritas Investment Partners, Inc. | 12,392 | $8.34K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 12,815 | $8.62K | 0.00% | −6,000−31.9% | Reduced |
| Farringdon Capital, Ltd. | 13,313 | $8.96K | 0.00% | +13,313 | New |
| Tower Research Capital LLC (TRC) | 13,697 | $9.22K | 0.00% | +253+1.9% | Added |
| PFG Investments, LLC | 13,750 | $9.25K | 0.00% | −1,150−7.7% | Reduced |
| Neuberger Berman Group LLC | 14,700 | $9.89K | 0.00% | +2,414+19.6% | Added |
| HSBC Holdings PLC | 14,782 | $9.98K | 0.00% | −96−0.6% | Reduced |
| Victory Capital Management Inc | 15,162 | $10.2K | 0.00% | −393−2.5% | Reduced |
| DnB Asset Management AS | 15,600 | $10.5K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 15,800 | $10.6K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 16,240 | $10.9K | 0.00% | +16,240 | New |
| NorthRock Partners, LLC | 16,750 | $11.3K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 17,380 | $11.7K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 17,539 | $12.0K | 0.00% | −371−2.1% | Reduced |
| Manufacturers Life Insurance Company, The | 19,020 | $12.8K | 0.00% | −27,311−58.9% | Reduced |
| LVM Capital Management Ltd | 21,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 25,430 | $17.1K | 0.00% | 00.0% | Unchanged |
| Gallagher Capital Advisors, LLC | 26,075 | $17.5K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 27,381 | $18.4K | 0.00% | −8,241−23.1% | Reduced |
| LPL Financial LLC | 28,056 | $18.9K | 0.00% | −1,395−4.7% | Reduced |
| CIBC World Markets Corp | 28,066 | $18.9K | 0.00% | +16,229+137.1% | Added |
| Regions Financial Corp | 30,000 | $20.2K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 37,248 | $25.0K | 0.00% | −66,617−64.1% | Reduced |
| Voya Investment Management LLC | 41,846 | $28.2K | 0.00% | −2,386−5.4% | Reduced |
| Commonwealth Equity Services, LLC | 46,001 | $31.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 51,198 | $35.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 56,207 | $37.8K | 0.00% | +42,777+318.5% | Added |
| Two Sigma Advisers, LP | 56,900 | $38.3K | 0.00% | +14,500+34.2% | Added |
| Invesco Ltd. | 58,669 | $39.5K | 0.00% | −1,675−2.8% | Reduced |
| Corebridge Financial, Inc. | 61,966 | $41.7K | 0.00% | −918−1.5% | Reduced |
| Bank of America Corp | 63,972 | $43.0K | 0.00% | −47,503−42.6% | Reduced |
| Wells Fargo & Company | 73,539 | $49.5K | 0.00% | +1,819+2.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 75,716 | $50.9K | 0.00% | +3,198+4.4% | Added |
| Intech Investment Management LLC | 86,138 | $58.0K | 0.00% | +23,294+37.1% | Added |
| Citigroup Inc | 88,079 | $59.3K | 0.00% | −11,945−11.9% | Reduced |
| Qube Research & Technologies Ltd | 91,034 | $61.3K | 0.00% | −98,545−52.0% | Reduced |
| JPMorgan Chase & Co | 118,929 | $80.0K | 0.00% | −242,367−67.1% | Reduced |
| Barclays PLC | 128,578 | $86.5K | 0.00% | −63,376−33.0% | Reduced |
| Rhumbline Advisers | 129,851 | $87.4K | 0.00% | +7,633+6.2% | Added |
| Nuveen, LLC | 170,733 | $114.9K | 0.00% | +170,733 | New |
| Goldman Sachs Group Inc | 187,927 | $126.5K | 0.00% | −156,931−45.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 189,319 | $127.4K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 284,187 | $191.2K | 0.00% | −168,009−37.2% | Reduced |
| Bank of New York Mellon Corp | 289,727 | $195.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 422,582 | $284.4K | 0.00% | +120,934+40.1% | Added |
| Susquehanna International Group, LLP | 440,335 | $296.3K | 0.00% | +214,159+94.7% | Added |
| UBS Group AG | 455,386 | $306.5K | 0.00% | −669,317−59.5% | Reduced |
| Squarepoint Ops LLC | 478,999 | $322.3K | 0.00% | +478,999 | New |
| Northern Trust Corp | 973,998 | $655.4K | 0.00% | −51,726−5.0% | Reduced |
| State Street Corp | 1,727,090 | $1.16M | 0.00% | −28,279−1.6% | Reduced |
| Renaissance Technologies LLC | 1,855,101 | $1.25M | 0.00% | +297,469+19.1% | Added |
| Geode Capital Management, LLC | 2,845,792 | $1.92M | 0.00% | +31,615+1.1% | Added |
| Vanguard Group Inc | 6,585,912 | $4.43M | 0.00% | −33,057−0.5% | Reduced |
| BlackRock, Inc. | 9,625,365 | $6.48M | 0.00% | −134,184−1.4% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −427,820−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −208,196−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −126,704−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −89,837−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −79,176−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −34,227−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −31,501−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −29,149−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −22,325−100.0% | Sold out |
| Koss-Olinger Consulting, LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| St. Johns Investment Management Company, LLC | 0 | $0 | 0.00% | −1,550−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −1,020−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |