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.
Q1 2025 vs. Q4 2024
How the institutions holding Atossa Therapeutics, Inc. changed between Q4 2024 and Q1 2025.
All holders in Q1 2025All holders in Q4 2024
| Measure | Q4 2024 | Of which not filed for Q1 2025 | Q1 2025 | Change |
|---|---|---|---|---|
| Holders | 86 | 1 | 83 | −2 |
| Shares | 29.9M | 170.7K | 28.4M | −1.40M (−4.7%) |
| Value | $28.3M | $161.2K | $19.1M | −$9.01M (−32.1%) |
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (10)
Institutions that held Atossa Therapeutics, Inc. at the end of Q1 2025 but not at the end of Q4 2024.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Squarepoint Ops LLC | 478,999 | $322.3K | 0.00% |
| Nuveen, LLC | 170,733 | $114.9K | 0.00% |
| AQR Capital Management LLC | 16,240 | $10.9K | 0.00% |
| Farringdon Capital, Ltd. | 13,313 | $8.96K | 0.00% |
| Wolverine Trading, LLC | 11,716 | $8.16K | 0.00% |
| Focus Financial Network, Inc. | 10,150 | $6.83K | 0.00% |
| Mariner, LLC | 10,104 | $6.80K | 0.00% |
| Jones Financial Companies LLLP | 700 | $487 | 0.00% |
| Rise Advisors, LLC | 650 | $437 | 0.00% |
| True Wealth Design, LLC | 69 | $47 | 0.00% |
Sold out (12)
Institutions that held Atossa Therapeutics, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Citadel Advisors LLC | 427,820 | $403.9K |
| Virtu Financial LLC | 208,196 | $197.0K |
| Jane Street Group, LLC | 126,704 | $119.6K |
| Two Sigma Investments, LP | 89,837 | $84.8K |
| XTX Topco Ltd | 79,176 | $74.8K |
| Cetera Investment Advisers | 34,227 | $32.3K |
| HRT Financial LP | 31,501 | $29.0K |
| Millennium Management LLC | 29,149 | $27.5K |
| Two Sigma Securities, LLC | 22,325 | $21.1K |
| Koss-Olinger Consulting, LLC | 12,000 | $11.0K |
| St. Johns Investment Management Company, LLC | 1,550 | $1.46K |
| R Squared Ltd | 1,020 | $963 |
Not filed for Q1 2025 yet (1)
Institutions that held Atossa Therapeutics, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2024 | Value, Q4 2024 |
|---|---|---|
| Nuveen Asset Management, LLC | 170,733 | $161.2K |