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 2024
Institutional positions in Atossa Therapeutics, Inc. as of Mar 31, 2024. 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
- 67
- +18 vs. Q4 2023
- Shares held
- 19.2M
- +3.27M (+20.5%) vs. Q4 2023
- Total value
- $34.6M
- +$20.5M (+145.6%) vs. Q4 2023
- New holders
- 22
- 14 more added
- Sold out
- 4
- 10 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,753,993 | $10.4M | 0.00% | +78,269+1.4% | Added |
| BlackRock Inc. | 2,751,263 | $4.95M | 0.00% | −45,174−1.6% | Reduced |
| Laurion Capital Management LP | 2,225,800 | $4.01M | 0.11% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,386,370 | $2.50M | 0.00% | +102,100+8.0% | Added |
| Geode Capital Management, LLC | 1,212,323 | $2.18M | 0.00% | +97,399+8.7% | Added |
| Millennium Management LLC | 1,011,747 | $1.82M | 0.00% | +964,476+2,040.3% | Added |
| Morgan Stanley | 765,413 | $1.38M | 0.00% | +650,607+566.7% | Added |
| Goldman Sachs Group Inc | 628,554 | $1.13M | 0.00% | +628,554 | New |
| State Street Corp | 493,571 | $888.4K | 0.00% | +57,300+13.1% | Added |
| HRT Financial LP | 291,421 | $524.0K | 0.00% | +291,421 | New |
| Susquehanna International Group, LLP | 272,115 | $489.8K | 0.00% | +67,170+32.8% | Added |
| Qube Research & Technologies Ltd | 248,708 | $447.7K | 0.00% | +248,654+460,470.4% | Added |
| Northern Trust Corp | 225,672 | $406.2K | 0.00% | −2,250−1.0% | Reduced |
| Citigroup Inc | 182,872 | $329.2K | 0.00% | +182,872 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 153,125 | $275.6K | 0.00% | +32,797+27.3% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 140,858 | $253.5K | 0.07% | +140,858 | New |
| Citadel Advisors LLC | 126,055 | $226.9K | 0.00% | +116,915+1,279.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 114,341 | $205.8K | 0.02% | +114,341 | New |
| Squarepoint Ops LLC | 111,382 | $200.5K | 0.00% | +48,317+76.6% | Added |
| Group One Trading, L.P. | 106,708 | $192.1K | 0.01% | −8,541−7.4% | Reduced |
| Mariner, LLC | 105,910 | $190.6K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 83,941 | $151.0K | 0.01% | +83,941 | New |
| Bank of America Corp | 79,931 | $143.9K | 0.00% | +77,815+3,677.5% | Added |
| Simplex Trading, LLC | 55,589 | $100.0K | 0.00% | +55,589 | New |
| Edmond de Rothschild Holding S.A. | 50,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 48,931 | $88.1K | 0.00% | +48,931 | New |
| Cetera Investment Advisers | 46,730 | $84.1K | 0.00% | +46,730 | New |
| Charles Schwab Investment Management Inc | 45,962 | $82.7K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 45,752 | $82.4K | 0.00% | −1,240−2.6% | Reduced |
| Balyasny Asset Management LLC | 42,981 | $77.4K | 0.00% | +42,981 | New |
| Jane Street Group, LLC | 39,053 | $70.3K | 0.00% | +39,053 | New |
| Jefferies Financial Group Inc. | 38,200 | $68.8K | 0.00% | +38,200 | New |
| CTC Alternative Strategies, Ltd. | 36,300 | $65.3K | 0.04% | +36,300 | New |
| Two Sigma Securities, LLC | 34,579 | $62.2K | 0.00% | +34,579 | New |
| Two Sigma Investments, LP | 33,206 | $59.8K | 0.00% | −128,114−79.4% | Reduced |
| Regions Financial Corp | 30,000 | $54.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 26,303 | $47.0K | 0.00% | −7,042−21.1% | Reduced |
| ExodusPoint Capital Management, LP | 25,960 | $47.0K | 0.00% | +25,960 | New |
| PFG Investments, LLC | 23,650 | $42.6K | 0.00% | +23,650 | New |
| LVM Capital Management Ltd | 21,000 | $38.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 18,500 | $33.3K | 0.00% | −6,700−26.6% | Reduced |
| Brevan Howard Capital Management LP | 13,666 | $24.6K | 0.00% | +13,666 | New |
| DRW Securities, LLC | 12,800 | $23.0K | 0.00% | +12,800 | New |
| Bank of New York Mellon Corp | 12,626 | $22.7K | 0.00% | −39,591−75.8% | Reduced |
| Advisor Group Holdings, Inc. | 11,550 | $20.8K | 0.00% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 11,121 | $20.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 10,815 | $19.5K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $19.1K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 10,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,555 | $8.20K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 4,163 | $7.49K | 0.00% | 00.0% | Unchanged |
| Silicon Valley Capital Partners | 3,875 | $6.97K | 0.00% | +3,875 | New |
| Harbour Investments, Inc. | 1,711 | $3.08K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $2.79K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 921 | $1.66K | 0.00% | +11+1.2% | Added |
| TD Waterhouse Canada Inc. | 700 | $1.28K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 702 | $1.26K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 150 | $1.00K | 0.00% | +150 | New |
| UBS Group AG | 423 | $761 | 0.00% | +393+1,310.0% | Added |
| Old Point Trust & Financial Services N A | 250 | $450 | 0.00% | +250 | New |
| Delos Wealth Advisors, LLC | 100 | $180 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 94 | $169 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 70 | $103 | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 1,735 | $3 | 0.00% | +1,735 | New |
| Tower Research Capital LLC (TRC) | 1 | $2 | 0.00% | −10,748−100.0% | Reduced |
| Royal Bank of Canada | 51 | $0 | 0.00% | −35−40.7% | Reduced |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −449,082−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −352,700−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −85,369−100.0% | Sold out |
| Castleview Partners, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |