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 2023
Institutional positions in Atossa Therapeutics, Inc. as of Jun 30, 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
- 52
- +8 vs. Q1 2023
- Shares held
- 16.0M
- −342.3K (−2.1%) vs. Q1 2023
- Total value
- $20.2M
- +$8.32M (+70.1%) vs. Q1 2023
- New holders
- 11
- 10 more added
- Sold out
- 3
- 14 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,675,724 | $7.15M | 0.00% | −21,812−0.4% | Reduced |
| BlackRock Inc. | 2,898,466 | $3.65M | 0.00% | −306,065−9.6% | Reduced |
| Laurion Capital Management LP | 2,225,800 | $2.80M | 0.12% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,112,612 | $1.40M | 0.00% | −98,273−8.1% | Reduced |
| Renaissance Technologies LLC | 1,074,070 | $1.35M | 0.00% | +138,000+14.7% | Added |
| State Street Corp | 436,271 | $549.7K | 0.00% | −44,724−9.3% | Reduced |
| Susquehanna International Group, LLP | 373,032 | $470.0K | 0.00% | +267,390+253.1% | Added |
| Millennium Management LLC | 316,405 | $398.7K | 0.00% | −147,523−31.8% | Reduced |
| Gsa Capital Partners LLP | 302,604 | $381.0K | 0.04% | +302,604 | New |
| D. E. Shaw & Co., Inc. | 216,528 | $272.8K | 0.00% | −606,834−73.7% | Reduced |
| Northern Trust Corp | 214,642 | $270.4K | 0.00% | −834−0.4% | Reduced |
| Morgan Stanley | 195,891 | $246.8K | 0.00% | +25,136+14.7% | Added |
| Bank of New York Mellon Corp | 112,656 | $141.9K | 0.00% | −38,624−25.5% | Reduced |
| Mariner, LLC | 104,910 | $132.2K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 86,813 | $109.0K | 0.01% | +86,813 | New |
| Jane Street Group, LLC | 78,871 | $99.4K | 0.00% | +56,310+249.6% | Added |
| Group One Trading, L.P. | 74,635 | $94.0K | 0.00% | +10,607+16.6% | Added |
| Two Sigma Investments, LP | 58,147 | $73.3K | 0.00% | −6,100−9.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 50,000 | $63.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 46,992 | $59.2K | 0.00% | +46,992 | New |
| Charles Schwab Investment Management Inc | 45,962 | $57.9K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 39,383 | $49.6K | 0.01% | +39,383 | New |
| Commonwealth Equity Services, LLC | 34,605 | $44.0K | 0.00% | +50+0.1% | Added |
| Two Sigma Advisers, LP | 27,400 | $34.5K | 0.00% | −33,400−54.9% | Reduced |
| Two Sigma Securities, LLC | 25,178 | $31.7K | 0.00% | +25,178 | New |
| LVM Capital Management Ltd | 21,000 | $26.0K | 0.00% | +21,000 | New |
| HighTower Advisors, LLC | 20,100 | $25.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 18,734 | $24.0K | 0.00% | +18,734 | New |
| Tower Research Capital LLC (TRC) | 16,784 | $21.1K | 0.00% | +6,384+61.4% | Added |
| Advisor Group Holdings, Inc. | 15,247 | $19.2K | 0.00% | −230−1.5% | Reduced |
| Victory Capital Management Inc | 13,865 | $17.5K | 0.00% | −321−2.3% | Reduced |
| Cetera Advisor Networks LLC | 13,332 | $16.8K | 0.00% | +2,900+27.8% | Added |
| Federation des caisses Desjardins du Quebec | 12,600 | $15.9K | 0.00% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 10,621 | $13.4K | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 10,193 | $12.8K | 0.00% | +10,193 | New |
| Baader Bank INC | 10,861 | $10.6K | 0.00% | +10,861 | New |
| Wells Fargo & Company | 5,057 | $6.37K | 0.00% | +34+0.7% | Added |
| FMR LLC | 4,684 | $5.90K | 0.00% | −26,524−85.0% | Reduced |
| BNP Paribas Arbitrage, SA | 4,555 | $5.74K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 1,800 | $2.27K | 0.00% | −2,530−58.4% | Reduced |
| Harbour Investments, Inc. | 1,711 | $2.16K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $1.95K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $885 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 700 | $875 | 0.00% | 00.0% | Unchanged |
| Castleview Partners, LLC | 500 | $630 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 170 | $214 | 0.00% | +170 | New |
| Delos Wealth Advisors, LLC | 100 | $126 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 94 | $118 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 70 | $89 | 0.00% | +70 | New |
| Royal Bank of Canada | 173 | $0 | 0.00% | +153+765.0% | Added |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 574 | $0 | 0.00% | 00.0% | Unchanged |
| Sabby Management, LLC | 0 | $0 | 0.00% | −65,714−100.0% | Sold out |
| Lincoln National Corp | 0 | $0 | 0.00% | −10,340−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| ETF Managers Group, LLC | – | – | – | – | Not filed |