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, Q3 2021
Institutional positions in Atossa Therapeutics, Inc. as of Sep 30, 2021. 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
- 93
- +4 vs. Q2 2021
- Shares held
- 31.1M
- −4.66M (−13.0%) vs. Q2 2021
- Total value
- $102.1M
- −$123.7M (−54.8%) vs. Q2 2021
- New holders
- 20
- 29 more added
- Sold out
- 16
- 26 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −35,145−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −22,376−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −10,224−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| CenterStar Asset Management, LLC | 0 | $0 | 0.00% | – | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −1,164−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Castleview Partners, LLC | – | – | – | – | Not filed |