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, Q4 2023
Institutional positions in Atossa Therapeutics, Inc. as of Dec 31, 2023. 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
- 49
- −5 vs. Q3 2023
- Shares held
- 16.1M
- −87.8K (−0.5%) vs. Q3 2023
- Total value
- $14.2M
- +$2.29M (+19.3%) vs. Q3 2023
- New holders
- 3
- 9 more added
- Sold out
- 8
- 18 more reduced
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,675,724 | $4.99M | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 2,796,437 | $2.46M | 0.00% | −90,080−3.1% | Reduced |
| Laurion Capital Management LP | 2,225,800 | $1.96M | 0.07% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,284,270 | $1.13M | 0.00% | +41,900+3.4% | Added |
| Geode Capital Management, LLC | 1,114,924 | $981.4K | 0.00% | +12,348+1.1% | Added |
| Gsa Capital Partners LLP | 449,082 | $395.0K | 0.03% | +101,690+29.3% | Added |
| State Street Corp | 436,271 | $383.9K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 352,700 | $359.8K | 0.00% | +352,700 | New |
| Morgan Stanley | 229,612 | $202.1K | 0.00% | +79,855+53.3% | Added |
| Northern Trust Corp | 227,922 | $200.6K | 0.00% | +13,280+6.2% | Added |
| Susquehanna International Group, LLP | 204,945 | $180.4K | 0.00% | −43,559−17.5% | Reduced |
| Two Sigma Investments, LP | 161,320 | $142.0K | 0.00% | −12,616−7.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 120,328 | $105.9K | 0.00% | −13,263−9.9% | Reduced |
| Group One Trading, L.P. | 115,249 | $101.4K | 0.00% | −15,486−11.8% | Reduced |
| Mariner, LLC | 105,910 | $93.2K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 85,369 | $75.1K | 0.02% | −82,058−49.0% | Reduced |
| Squarepoint Ops LLC | 63,065 | $55.5K | 0.00% | +63,065 | New |
| Bank of New York Mellon Corp | 52,217 | $46.0K | 0.00% | −58,631−52.9% | Reduced |
| Edmond de Rothschild Holding S.A. | 50,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 47,271 | $41.6K | 0.00% | −192,433−80.3% | Reduced |
| LPL Financial LLC | 46,992 | $41.4K | 0.00% | −3,000−6.0% | Reduced |
| Charles Schwab Investment Management Inc | 45,962 | $40.4K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 33,345 | $29.0K | 0.00% | 00.0% | Unchanged |
| Regions Financial Corp | 30,000 | $26.4K | 0.00% | +30,000 | New |
| Two Sigma Advisers, LP | 25,200 | $22.2K | 0.00% | +3,900+18.3% | Added |
| LVM Capital Management Ltd | 21,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 11,550 | $10.2K | 0.00% | −2,197−16.0% | Reduced |
| J. L. Bainbridge & Co., Inc. | 11,121 | $9.79K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 10,815 | $9.52K | 0.00% | −1,210−10.1% | Reduced |
| Tower Research Capital LLC (TRC) | 10,749 | $9.46K | 0.00% | −2,484−18.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,600 | $9.33K | 0.00% | −2,000−15.9% | Reduced |
| Atria Wealth Solutions, Inc. | 10,000 | $8.80K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 9,140 | $8.04K | 0.00% | −36,016−79.8% | Reduced |
| BNP Paribas Arbitrage, SA | 4,555 | $4.01K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 4,163 | $3.66K | 0.00% | −21−0.5% | Reduced |
| Bank of America Corp | 2,116 | $1.86K | 0.00% | +166+8.5% | Added |
| Harbour Investments, Inc. | 1,711 | $1.51K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $1.36K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 910 | $801 | 0.00% | +42+4.8% | Added |
| TD Waterhouse Canada Inc. | 700 | $637 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $618 | 0.00% | 00.0% | Unchanged |
| Castleview Partners, LLC | 500 | $440 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 188 | $166 | 0.00% | +94+100.0% | Added |
| Delos Wealth Advisors, LLC | 100 | $88 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 70 | $62 | 0.00% | −70−50.0% | Reduced |
| Qube Research & Technologies Ltd | 54 | $48 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 30 | $26 | 0.00% | −33,329−99.9% | Reduced |
| Royal Bank of Canada | 86 | $0 | 0.00% | −108−55.7% | Reduced |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 0 | $0 | 0.00% | −80,728−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −36,466−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −29,138−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −20,100−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −17,302−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −13,823−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −574−100.0% | Sold out |