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 | $16.8M |
| 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, 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 |
|---|---|---|---|---|---|
| Royal Bank of Canada | 51 | $0 | 0.00% | −35−40.7% | Reduced |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1 | $2 | 0.00% | −10,748−100.0% | Reduced |
| Macquarie Group Ltd | 1,735 | $3 | 0.00% | +1,735 | New |
| Clearstead Advisors, LLC | 70 | $103 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 94 | $169 | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 100 | $180 | 0.00% | 00.0% | Unchanged |
| Old Point Trust & Financial Services N A | 250 | $450 | 0.00% | +250 | New |
| UBS Group AG | 423 | $761 | 0.00% | +393+1,310.0% | Added |
| Allworth Financial LP | 702 | $1.26K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 700 | $1.28K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 921 | $1.66K | 0.00% | +11+1.2% | Added |
| St. Johns Investment Management Company, LLC | 1,550 | $2.79K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 1,711 | $3.08K | 0.00% | 00.0% | Unchanged |
| Silicon Valley Capital Partners | 3,875 | $6.97K | 0.00% | +3,875 | New |
| FMR LLC | 4,163 | $7.49K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,555 | $8.20K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 10,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $19.1K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 10,815 | $19.5K | 0.00% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 11,121 | $20.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 11,550 | $20.8K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 12,626 | $22.7K | 0.00% | −39,591−75.8% | Reduced |
| DRW Securities, LLC | 12,800 | $23.0K | 0.00% | +12,800 | New |
| Brevan Howard Capital Management LP | 13,666 | $24.6K | 0.00% | +13,666 | New |
| Two Sigma Advisers, LP | 18,500 | $33.3K | 0.00% | −6,700−26.6% | Reduced |
| LVM Capital Management Ltd | 21,000 | $38.0K | 0.00% | 00.0% | Unchanged |
| PFG Investments, LLC | 23,650 | $42.6K | 0.00% | +23,650 | New |
| 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 |
| Regions Financial Corp | 30,000 | $54.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 33,206 | $59.8K | 0.00% | −128,114−79.4% | Reduced |
| Two Sigma Securities, LLC | 34,579 | $62.2K | 0.00% | +34,579 | New |
| CTC Alternative Strategies, Ltd. | 36,300 | $65.3K | 0.04% | +36,300 | New |
| Jefferies Financial Group Inc. | 38,200 | $68.8K | 0.00% | +38,200 | New |
| Jane Street Group, LLC | 39,053 | $70.3K | 0.00% | +39,053 | New |
| Balyasny Asset Management LLC | 42,981 | $77.4K | 0.00% | +42,981 | New |
| LPL Financial LLC | 45,752 | $82.4K | 0.00% | −1,240−2.6% | Reduced |
| Charles Schwab Investment Management Inc | 45,962 | $82.7K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 46,730 | $84.1K | 0.00% | +46,730 | New |
| Wolverine Trading, LLC | 48,931 | $88.1K | 0.00% | +48,931 | New |
| Edmond de Rothschild Holding S.A. | 50,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 55,589 | $100.0K | 0.00% | +55,589 | New |
| Bank of America Corp | 79,931 | $143.9K | 0.00% | +77,815+3,677.5% | Added |
| Virtu Financial LLC | 83,941 | $151.0K | 0.01% | +83,941 | New |
| Mariner, LLC | 105,910 | $190.6K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 106,708 | $192.1K | 0.01% | −8,541−7.4% | Reduced |
| Squarepoint Ops LLC | 111,382 | $200.5K | 0.00% | +48,317+76.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 114,341 | $205.8K | 0.02% | +114,341 | New |
| Citadel Advisors LLC | 126,055 | $226.9K | 0.00% | +116,915+1,279.2% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 140,858 | $253.5K | 0.07% | +140,858 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 153,125 | $275.6K | 0.00% | +32,797+27.3% | Added |
| Citigroup Inc | 182,872 | $329.2K | 0.00% | +182,872 | New |
| Northern Trust Corp | 225,672 | $406.2K | 0.00% | −2,250−1.0% | Reduced |
| Qube Research & Technologies Ltd | 248,708 | $447.7K | 0.00% | +248,654+460,470.4% | Added |
| Susquehanna International Group, LLP | 272,115 | $489.8K | 0.00% | +67,170+32.8% | Added |
| HRT Financial LP | 291,421 | $524.0K | 0.00% | +291,421 | New |
| State Street Corp | 493,571 | $888.4K | 0.00% | +57,300+13.1% | Added |
| Goldman Sachs Group Inc | 628,554 | $1.13M | 0.00% | +628,554 | New |
| Morgan Stanley | 765,413 | $1.38M | 0.00% | +650,607+566.7% | Added |
| Millennium Management LLC | 1,011,747 | $1.82M | 0.00% | +964,476+2,040.3% | Added |
| Geode Capital Management, LLC | 1,212,323 | $2.18M | 0.00% | +97,399+8.7% | Added |
| Renaissance Technologies LLC | 1,386,370 | $2.50M | 0.00% | +102,100+8.0% | Added |
| Laurion Capital Management LP | 2,225,800 | $4.01M | 0.11% | 00.0% | Unchanged |
| BlackRock Inc. | 2,751,263 | $4.95M | 0.00% | −45,174−1.6% | Reduced |
| Vanguard Group Inc | 5,753,993 | $10.4M | 0.00% | +78,269+1.4% | Added |
| NBC Securities, Inc. | 150 | – | – | +150 | New |
| 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 |