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
- 16.0M
- −202.6K (−1.3%) vs. Q3 2023
- Total value
- $14.1M
- +$2.19M (+18.4%) vs. Q3 2023
- New holders
- 3
- 7 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 | $16.8M |
| 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, 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 |
|---|---|---|---|---|---|
| Royal Bank of Canada | 86 | $0 | 0.00% | −108−55.7% | Reduced |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 30 | $26 | 0.00% | −33,329−99.9% | Reduced |
| Qube Research & Technologies Ltd | 54 | $48 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 70 | $62 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 94 | $83 | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 100 | $88 | 0.00% | 00.0% | Unchanged |
| Castleview Partners, LLC | 500 | $440 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $618 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 700 | $637 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 910 | $801 | 0.00% | +42+4.8% | Added |
| St. Johns Investment Management Company, LLC | 1,550 | $1.36K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 1,711 | $1.51K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 2,116 | $1.86K | 0.00% | +166+8.5% | Added |
| FMR LLC | 4,163 | $3.66K | 0.00% | −21−0.5% | Reduced |
| BNP Paribas Arbitrage, SA | 4,555 | $4.01K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 9,140 | $8.04K | 0.00% | −36,016−79.8% | Reduced |
| Atria Wealth Solutions, Inc. | 10,000 | $8.80K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $9.33K | 0.00% | −2,000−15.9% | Reduced |
| Tower Research Capital LLC (TRC) | 10,749 | $9.46K | 0.00% | −2,484−18.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 10,815 | $9.52K | 0.00% | −1,210−10.1% | Reduced |
| J. L. Bainbridge & Co., Inc. | 11,121 | $9.79K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 11,550 | $10.2K | 0.00% | −2,197−16.0% | Reduced |
| LVM Capital Management Ltd | 21,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 25,200 | $22.2K | 0.00% | +3,900+18.3% | Added |
| Regions Financial Corp | 30,000 | $26.4K | 0.00% | +30,000 | New |
| Commonwealth Equity Services, LLC | 33,345 | $29.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 45,962 | $40.4K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 46,992 | $41.4K | 0.00% | −3,000−6.0% | Reduced |
| Millennium Management LLC | 47,271 | $41.6K | 0.00% | −192,433−80.3% | Reduced |
| Edmond de Rothschild Holding S.A. | 50,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 52,217 | $46.0K | 0.00% | −58,631−52.9% | Reduced |
| Squarepoint Ops LLC | 63,065 | $55.5K | 0.00% | +63,065 | New |
| XTX Topco Ltd | 85,369 | $75.1K | 0.02% | −82,058−49.0% | Reduced |
| Mariner, LLC | 105,910 | $93.2K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 114,806 | $101.0K | 0.00% | −34,951−23.3% | Reduced |
| Group One Trading, L.P. | 115,249 | $101.4K | 0.00% | −15,486−11.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 120,328 | $105.9K | 0.00% | −13,263−9.9% | Reduced |
| Two Sigma Investments, LP | 161,320 | $142.0K | 0.00% | −12,616−7.3% | Reduced |
| Susquehanna International Group, LLP | 204,945 | $180.4K | 0.00% | −43,559−17.5% | Reduced |
| Northern Trust Corp | 227,922 | $200.6K | 0.00% | +13,280+6.2% | Added |
| Bank of Montreal | 352,700 | $359.8K | 0.00% | +352,700 | New |
| State Street Corp | 436,271 | $383.9K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 449,082 | $395.0K | 0.03% | +101,690+29.3% | Added |
| Geode Capital Management, LLC | 1,114,924 | $981.4K | 0.00% | +12,348+1.1% | Added |
| Renaissance Technologies LLC | 1,284,270 | $1.13M | 0.00% | +41,900+3.4% | Added |
| Laurion Capital Management LP | 2,225,800 | $1.96M | 0.07% | 00.0% | Unchanged |
| BlackRock Inc. | 2,796,437 | $2.46M | 0.00% | −90,080−3.1% | Reduced |
| Vanguard Group Inc | 5,675,724 | $4.99M | 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 |