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 2023
Institutional positions in Atossa Therapeutics, Inc. as of Mar 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
- 45
- −6 vs. Q4 2022
- Shares held
- 16.4M
- −1.57M (−8.7%) vs. Q4 2022
- Total value
- $11.9M
- +$2.38M (+25.1%) vs. Q4 2022
- New holders
- 2
- 7 more added
- Sold out
- 8
- 17 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,697,536 | $4.13M | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 3,204,531 | $2.32M | 0.00% | −257,263−7.4% | Reduced |
| Laurion Capital Management LP | 2,225,800 | $1.61M | 0.07% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,210,885 | $877.8K | 0.00% | −8,762−0.7% | Reduced |
| Renaissance Technologies LLC | 936,070 | $679.0K | 0.00% | +91,300+10.8% | Added |
| D. E. Shaw & Co., Inc. | 823,362 | $596.9K | 0.00% | −650,763−44.1% | Reduced |
| State Street Corp | 480,995 | $348.7K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 463,928 | $336.0K | 0.00% | −99,639−17.7% | Reduced |
| Northern Trust Corp | 215,476 | $156.2K | 0.00% | −4,768−2.2% | Reduced |
| Morgan Stanley | 170,755 | $123.8K | 0.00% | −22,935−11.8% | Reduced |
| Bank of New York Mellon Corp | 151,280 | $109.7K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 105,642 | $76.6K | 0.00% | +9,152+9.5% | Added |
| Mariner, LLC | 104,910 | $76.0K | 0.00% | +490.0% | Added |
| Sabby Management, LLC | 65,714 | $47.6K | 0.18% | −138,257−67.8% | Reduced |
| Two Sigma Investments, LP | 64,247 | $46.6K | 0.00% | −7,071−9.9% | Reduced |
| Group One Trading, L.P. | 64,028 | $46.4K | 0.00% | −73,138−53.3% | Reduced |
| Two Sigma Advisers, LP | 60,800 | $44.1K | 0.00% | −30,800−33.6% | Reduced |
| Edmond de Rothschild Holding S.A. | 50,000 | $36.2K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 45,962 | $33.3K | 0.00% | 00.0% | Unchanged |
| ETF Managers Group, LLC | 42,442 | $30.8K | 0.00% | +10,873+34.4% | Added |
| Commonwealth Equity Services, LLC | 34,555 | $25.0K | 0.00% | −3,750−9.8% | Reduced |
| Jane Street Group, LLC | 22,561 | $16.4K | 0.00% | −21,310−48.6% | Reduced |
| HighTower Advisors, LLC | 20,100 | $15.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 15,604 | $11.3K | 0.00% | +12,812+458.9% | Added |
| Advisor Group Holdings, Inc. | 15,477 | $11.2K | 0.00% | −1,270−7.6% | Reduced |
| Victory Capital Management Inc | 14,186 | $10.3K | 0.00% | −185−1.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 12,600 | $9.13K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 10,400 | $8.00K | 0.00% | +6,889+196.2% | Added |
| J. L. Bainbridge & Co., Inc. | 10,621 | $7.70K | 0.00% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 10,432 | $7.56K | 0.00% | 00.0% | Unchanged |
| Lincoln National Corp | 10,340 | $7.50K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 5,023 | $3.64K | 0.00% | +4,212+519.4% | Added |
| BNP Paribas Arbitrage, SA | 4,555 | $3.30K | 0.00% | −5,063−52.6% | Reduced |
| Bank of America Corp | 4,330 | $3.13K | 0.00% | −35,725−89.2% | Reduced |
| Harbour Investments, Inc. | 1,711 | $1.24K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $1.12K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1,400 | $1.00K | 0.00% | +1,400 | New |
| TD Waterhouse Canada Inc. | 700 | $524 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $509 | 0.00% | 00.0% | Unchanged |
| Castleview Partners, LLC | 500 | $362 | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 100 | $73 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 574 | $0 | 0.00% | −19,659−97.2% | Reduced |
| JPMorgan Chase & Co | 94 | $0 | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 20 | $0 | 0.00% | +20 | New |
| Bank of Montreal | 0 | $0 | 0.00% | −175,699−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −71,096−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −38,428−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −17,967−100.0% | Sold out |
| Marathon Trading Investment Management LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −501−100.0% | Sold out |