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, Q4 2021
Institutional positions in Atossa Therapeutics, Inc. as of Dec 31, 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
- 92
- −1 vs. Q3 2021
- Shares held
- 39.3M
- +8.24M (+26.5%) vs. Q3 2021
- Total value
- $63.8M
- −$38.3M (−37.5%) vs. Q3 2021
- New holders
- 20
- 23 more added
- Sold out
- 21
- 28 more reduced
Compare with Q3 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 | $16.9M |
| 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, Q4 2021
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 9,539,593 | $15.3M | 0.00% | −11,036−0.1% | Reduced |
| Vanguard Group Inc | 6,970,850 | $11.2M | 0.00% | −85,611−1.2% | Reduced |
| D. E. Shaw & Co., Inc. | 4,147,809 | $6.64M | 0.01% | +3,251,752+362.9% | Added |
| Two Sigma Investments, LP | 2,371,193 | $3.79M | 0.01% | +2,280,552+2,516.0% | Added |
| State Street Corp | 2,142,050 | $3.43M | 0.00% | −3,902−0.2% | Reduced |
| Citadel Advisors LLC | 2,052,057 | $3.28M | 0.00% | +1,030,350+100.8% | Added |
| Geode Capital Management, LLC | 2,004,781 | $3.21M | 0.00% | −104,379−4.9% | Reduced |
| Nuveen Asset Management, LLC | 1,540,502 | $2.87M | 0.00% | −53,459−3.4% | Reduced |
| Two Sigma Advisers, LP | 1,597,930 | $2.56M | 0.01% | +1,509,930+1,715.8% | Added |
| Renaissance Technologies LLC | 1,170,340 | $1.87M | 0.00% | +1,170,340 | New |
| Northern Trust Corp | 1,049,488 | $1.68M | 0.00% | −33,030−3.1% | Reduced |
| Bank of New York Mellon Corp | 519,658 | $832.0K | 0.00% | +42,367+8.9% | Added |
| Castleview Partners, LLC | 800 | $500.0K | 0.00% | +800 | New |
| Charles Schwab Investment Management Inc | 299,431 | $480.0K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 287,989 | $461.0K | 0.00% | +287,989 | New |
| Goldman Sachs Group Inc | 259,856 | $416.0K | 0.00% | +52,287+25.2% | Added |
| Sculptor Capital LP | 214,500 | $343.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 176,774 | $283.0K | 0.00% | +143,588+432.7% | Added |
| Morgan Stanley | 153,962 | $246.0K | 0.00% | −84,164−35.3% | Reduced |
| Alps Advisors Inc | 146,542 | $234.0K | 0.00% | +146,542 | New |
| Barclays PLC | 142,000 | $227.0K | 0.00% | +94,190+197.0% | Added |
| Jane Street Group, LLC | 138,995 | $222.0K | 0.00% | −80,746−36.7% | Reduced |
| Rhumbline Advisers | 131,622 | $211.0K | 0.00% | −3,367−2.5% | Reduced |
| National Bank of Canada | 131,100 | $210.0K | 0.00% | +131,100 | New |
| Susquehanna Fundamental Investments, LLC | 129,916 | $208.0K | 0.01% | +34,966+36.8% | Added |
| Bank of America Corp | 127,843 | $205.0K | 0.00% | +36,139+39.4% | Added |
| Alliancebernstein L.P. | 116,100 | $186.0K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 88,258 | $141.0K | 0.00% | +72,291+452.8% | Added |
| UBS Group AG | 72,821 | $117.0K | 0.00% | +32,156+79.1% | Added |
| Graham Capital Management, L.P. | 73,105 | $116.0K | 0.01% | +73,105 | New |
| Susquehanna International Group, LLP | 72,144 | $115.0K | 0.00% | −174,872−70.8% | Reduced |
| Deutsche Bank AG | 71,047 | $114.0K | 0.00% | −56,702−44.4% | Reduced |
| Millennium Management LLC | 69,236 | $111.0K | 0.00% | −194,784−73.8% | Reduced |
| State Board of Administration of Florida Retirement System | 68,685 | $110.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 65,678 | $105.0K | 0.00% | +1,021+1.6% | Added |
| Wells Fargo & Company | 65,652 | $105.0K | 0.00% | +65,652 | New |
| California State Teachers Retirement System | 63,052 | $101.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 62,171 | $99.0K | 0.00% | −1,860−2.9% | Reduced |
| Engineers Gate Manager LP | 60,809 | $97.0K | 0.00% | +60,809 | New |
| Spire Wealth Management | 56,000 | $90.0K | 0.00% | −5,000−8.2% | Reduced |
| New York State Common Retirement Fund | 55,028 | $88.0K | 0.00% | −293−0.5% | Reduced |
| BNP Paribas Arbitrage, SA | 51,126 | $81.8K | 0.00% | +23,986+88.4% | Added |
| Edmond de Rothschild Holding S.A. | 50,000 | $80.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 43,917 | $70.0K | 0.00% | −2,221−4.8% | Reduced |
| JPMorgan Chase & Co | 43,277 | $69.0K | 0.00% | −34,797−44.6% | Reduced |
| ExodusPoint Capital Management, LP | 41,454 | $66.0K | 0.00% | −98,535−70.4% | Reduced |
| ETF Managers Group, LLC | 38,452 | $64.0K | 0.00% | +38,452 | New |
| SG Americas Securities, LLC | 36,270 | $58.0K | 0.00% | −45,890−55.9% | Reduced |
| Invesco Ltd. | 33,476 | $54.0K | 0.00% | −3,610−9.7% | Reduced |
| Commonwealth Equity Services, LLC | 30,442 | $48.0K | 0.00% | +2,000+7.0% | Added |
| Citigroup Inc | 29,797 | $48.0K | 0.00% | +11,088+59.3% | Added |
| Squarepoint Ops LLC | 27,522 | $44.0K | 0.00% | +27,522 | New |
| Principal Financial Group Inc | 26,254 | $42.0K | 0.00% | +15,501+144.2% | Added |
| ProShare Advisors LLC | 25,560 | $41.0K | 0.00% | +10,566+70.5% | Added |
| Price T Rowe Associates Inc | 24,844 | $40.0K | 0.00% | −2,700−9.8% | Reduced |
| Royal Bank of Canada | 23,909 | $38.0K | 0.00% | +2,290+10.6% | Added |
| Cutler Group LP | 24,190 | $38.0K | 0.00% | +24,190 | New |
| Tower Research Capital LLC (TRC) | 22,360 | $36.0K | 0.00% | +14,796+195.6% | Added |
| QCM Cayman, Ltd. | 22,301 | $36.0K | 0.22% | +22,301 | New |
| Advisor Group Holdings, Inc. | 20,647 | $33.0K | 0.00% | −777−3.6% | Reduced |
| HighTower Advisors, LLC | 20,100 | $30.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 17,315 | $28.0K | 0.00% | −539−3.0% | Reduced |
| XTX Topco Ltd | 17,275 | $28.0K | 0.02% | +17,275 | New |
| Amalgamated Bank | 15,612 | $25.0K | 0.00% | −501−3.1% | Reduced |
| Credit Suisse AG | 15,269 | $24.0K | 0.00% | +15,269 | New |
| First Republic Investment Management, Inc. | 14,000 | $22.0K | 0.00% | +3,000+27.3% | Added |
| Federation des caisses Desjardins du Quebec | 12,600 | $20.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 11,736 | $18.0K | 0.00% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 11,205 | $18.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 11,100 | $17.0K | 0.00% | −79,924−87.8% | Reduced |
| J. L. Bainbridge & Co., Inc. | 10,621 | $17.0K | 0.00% | 00.0% | Unchanged |
| Lincoln National Corp | 10,340 | $17.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,173 | $15.0K | 0.00% | 00.0% | Unchanged |
| Belvedere Trading LLC | 11,518 | $15.0K | 0.00% | +11,518 | New |
| Dark Forest Capital Management LP | 3,512 | $6.00K | 0.00% | +3,512 | New |
| Newbridge Financial Services Group, Inc. | 2,000 | $3.00K | 0.00% | −30,000−93.8% | Reduced |
| Harbour Investments, Inc. | 1,711 | $3.00K | 0.00% | −1,750−50.6% | Reduced |
| St. Johns Investment Management Company, LLC | 1,550 | $2.00K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,475 | $2.00K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 700 | $1.20K | 0.00% | +700 | New |
| Geneos Wealth Management Inc. | 1,000 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 900 | $1.00K | 0.00% | +400+80.0% | Added |
| Allworth Financial LP | 702 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 500 | $1.00K | 0.00% | +200+66.7% | Added |
| Evoke Wealth, LLC | 775 | $1.00K | 0.00% | +775 | New |
| Richwood Investment Advisors, LLC | 600 | $1.00K | 0.00% | +600 | New |
| Caption Management, LLC | 126 | $0 | 0.00% | −141,774−99.9% | Reduced |
| Hudock, Inc. | 500 | $0 | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 200 | $0 | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 280 | $0 | 0.00% | 00.0% | Unchanged |
| Delos Wealth Advisors, LLC | 100 | $0 | 0.00% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 300 | $0 | 0.00% | +300 | New |
| HRT Financial LP | 0 | $0 | 0.00% | −243,504−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −216,320−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −152,115−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −151,300−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −115,861−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −73,529−100.0% | Sold out |
| Americana Partners, LLC | 0 | $0 | 0.00% | −54,500−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −29,847−100.0% | Sold out |