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 | $16.9M |
| 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, 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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 9,550,629 | $31.1M | 0.00% | +596,336+6.7% | Added |
| Vanguard Group Inc | 7,056,461 | $23.0M | 0.00% | +1,293,835+22.5% | Added |
| State Street Corp | 2,145,952 | $7.00M | 0.00% | +113,284+5.6% | Added |
| Geode Capital Management, LLC | 2,109,160 | $6.88M | 0.00% | +140,415+7.1% | Added |
| Nuveen Asset Management, LLC | 1,593,961 | $5.71M | 0.00% | +496,830+45.3% | Added |
| Northern Trust Corp | 1,082,518 | $3.53M | 0.00% | −41,334−3.7% | Reduced |
| Citadel Advisors LLC | 1,021,707 | $3.33M | 0.00% | +1,021,707 | New |
| D. E. Shaw & Co., Inc. | 896,057 | $2.92M | 0.00% | +896,057 | New |
| Bank of New York Mellon Corp | 477,291 | $1.56M | 0.00% | +11,719+2.5% | Added |
| Charles Schwab Investment Management Inc | 299,431 | $977.0K | 0.00% | +5,473+1.9% | Added |
| Millennium Management LLC | 264,020 | $861.0K | 0.00% | −1,402,891−84.2% | Reduced |
| Susquehanna International Group, LLP | 247,016 | $805.0K | 0.00% | −2,345,161−90.5% | Reduced |
| HRT Financial LP | 243,504 | $793.0K | 0.00% | +243,504 | New |
| Morgan Stanley | 238,126 | $776.0K | 0.00% | −73,847−23.7% | Reduced |
| Jane Street Group, LLC | 219,741 | $716.0K | 0.00% | −1,103,908−83.4% | Reduced |
| Mirabella Financial Services LLP | 216,320 | $705.0K | 0.09% | +216,320 | New |
| Sculptor Capital LP | 214,500 | $699.0K | 0.01% | −53,500−20.0% | Reduced |
| Goldman Sachs Group Inc | 207,569 | $676.0K | 0.00% | +157,562+315.1% | Added |
| Simplex Trading, LLC | 91,024 | $582.0K | 0.02% | −50,523−35.7% | Reduced |
| Bank of Nova Scotia | 152,115 | $495.0K | 0.00% | −196,583−56.4% | Reduced |
| State of Wisconsin Investment Board | 151,300 | $493.0K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 141,900 | $463.0K | 0.03% | +89,600+171.3% | Added |
| ExodusPoint Capital Management, LP | 139,989 | $456.0K | 0.01% | +139,989 | New |
| Rhumbline Advisers | 134,989 | $440.0K | 0.00% | +4,620+3.5% | Added |
| Deutsche Bank AG | 127,749 | $416.0K | 0.00% | +58,295+83.9% | Added |
| Alliancebernstein L.P. | 116,100 | $378.0K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 115,861 | $378.0K | 0.00% | +1,001+0.9% | Added |
| Susquehanna Fundamental Investments, LLC | 94,950 | $310.0K | 0.01% | +94,950 | New |
| Bank of America Corp | 91,704 | $298.0K | 0.00% | +12,881+16.3% | Added |
| Two Sigma Investments, LP | 90,641 | $295.0K | 0.00% | +75,565+501.2% | Added |
| Two Sigma Advisers, LP | 88,000 | $287.0K | 0.00% | +49,500+128.6% | Added |
| SG Americas Securities, LLC | 82,160 | $268.0K | 0.00% | +82,160 | New |
| JPMorgan Chase & Co | 78,074 | $254.0K | 0.00% | −78,250−50.1% | Reduced |
| Virtu Financial LLC | 73,529 | $240.0K | 0.02% | +54,905+294.8% | Added |
| State Board of Administration of Florida Retirement System | 68,685 | $224.0K | 0.00% | +55,160+407.8% | Added |
| Manufacturers Life Insurance Company, The | 64,657 | $211.0K | 0.00% | −3,222−4.7% | Reduced |
| American International Group, Inc. | 64,031 | $209.0K | 0.00% | −1,522−2.3% | Reduced |
| California State Teachers Retirement System | 63,052 | $206.0K | 0.00% | −98,217−60.9% | Reduced |
| Spire Wealth Management | 61,000 | $199.0K | 0.01% | +13,000+27.1% | Added |
| New York State Common Retirement Fund | 55,321 | $180.0K | 0.00% | −44,879−44.8% | Reduced |
| Americana Partners, LLC | 54,500 | $177.0K | 0.04% | 00.0% | Unchanged |
| Edmond de Rothschild Holding S.A. | 50,000 | $163.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 47,810 | $156.0K | 0.00% | +24,740+107.2% | Added |
| Voya Investment Management LLC | 46,138 | $150.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 40,665 | $133.0K | 0.00% | +40,665 | New |
| Invesco Ltd. | 37,086 | $121.0K | 0.00% | −1,814,267−98.0% | Reduced |
| AQR Capital Management LLC | 33,186 | $108.0K | 0.00% | +33,186 | New |
| Newbridge Financial Services Group, Inc. | 32,000 | $104.0K | 0.06% | +32,000 | New |
| Ameriprise Financial Inc | 29,847 | $97.0K | 0.00% | +16,470+123.1% | Added |
| Martingale Asset Management L P | 28,381 | $93.0K | 0.00% | +6,300+28.5% | Added |
| Commonwealth Equity Services, LLC | 28,442 | $92.0K | 0.00% | −4,941−14.8% | Reduced |
| Price T Rowe Associates Inc | 27,544 | $90.0K | 0.00% | +2,700+10.9% | Added |
| BNP Paribas Arbitrage, SA | 27,140 | $88.5K | 0.00% | +16,657+158.9% | Added |
| Panagora Asset Management Inc | 26,725 | $87.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 21,619 | $71.0K | 0.00% | +5,209+31.7% | Added |
| Advisor Group Holdings, Inc. | 21,424 | $70.0K | 0.00% | +1,483+7.4% | Added |
| HighTower Advisors, LLC | 20,100 | $65.0K | 0.00% | +20,100 | New |
| MetLife Investment Management | 19,919 | $64.9K | 0.00% | −24,081−54.7% | Reduced |
| Citigroup Inc | 18,709 | $61.0K | 0.00% | +3,141+20.2% | Added |
| Victory Capital Management Inc | 17,854 | $58.0K | 0.00% | −614−3.3% | Reduced |
| Cubist Systematic Strategies, LLC | 17,858 | $58.0K | 0.00% | +12,601+239.7% | Added |
| Amalgamated Bank | 16,113 | $53.0K | 0.00% | −714−4.2% | Reduced |
| Parametric Portfolio Associates LLC | 15,967 | $52.0K | 0.00% | −36,161−69.4% | Reduced |
| Metropolitan Life Insurance Co | 15,468 | $50.4K | 0.00% | −18,219−54.1% | Reduced |
| ProShare Advisors LLC | 14,994 | $49.0K | 0.00% | −15,357−50.6% | Reduced |
| Franklin Resources Inc | 14,300 | $47.0K | 0.00% | +14,300 | New |
| STRS Ohio | 14,200 | $46.0K | 0.00% | −12,900−47.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 12,600 | $41.1K | 0.00% | −5,525−30.5% | Reduced |
| Legal & General Group Plc | 11,736 | $38.0K | 0.00% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 11,205 | $37.0K | 0.00% | +11,205 | New |
| First Republic Investment Management, Inc. | 11,000 | $36.0K | 0.00% | +11,000 | New |
| Principal Financial Group Inc | 10,753 | $35.0K | 0.00% | −3,111−22.4% | Reduced |
| J. L. Bainbridge & Co., Inc. | 10,621 | $35.0K | 0.00% | 00.0% | Unchanged |
| Lincoln National Corp | 10,340 | $34.0K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 10,500 | $34.0K | 0.00% | +10,500 | New |
| Ameritas Investment Partners, Inc. | 9,173 | $30.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 7,564 | $24.0K | 0.00% | +2,777+58.0% | Added |
| Harbour Investments, Inc. | 3,461 | $11.0K | 0.00% | 00.0% | Unchanged |
| Sphinx Trading, LP | 1,900 | $6.00K | 0.01% | +1,900 | New |
| St. Johns Investment Management Company, LLC | 1,550 | $5.00K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,475 | $5.00K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 1,000 | $3.00K | 0.00% | −3,000−75.0% | Reduced |
| Allworth Financial LP | 702 | $2.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 500 | $2.00K | 0.00% | 00.0% | Unchanged |
| Brewin Dolphin Ltd | 320 | $1.04K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 200 | $1.00K | 0.00% | −100−33.3% | Reduced |
| Prestige Wealth Management Group LLC | 280 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 300 | $1.00K | 0.00% | +300 | New |
| Hudock, Inc. | 500 | $1.00K | 0.00% | +500 | New |
| Delos Wealth Advisors, LLC | 100 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 18 | $0 | 0.00% | +16+800.0% | Added |
| Northwestern Mutual Wealth Management Co | 83 | $0 | 0.00% | +83 | New |
| Ellevest, Inc. | 88 | $0 | 0.00% | +88 | New |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,644,488−100.0% | Sold out |
| Sabby Management, LLC | 0 | $0 | 0.00% | −1,045,987−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −255,984−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −188,259−100.0% | Sold out |
| Enlightenment Research, LLC | 0 | $0 | 0.00% | −73,100−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −72,179−100.0% | Sold out |
| DC Investments Management, LLC | 0 | $0 | 0.00% | −64,490−100.0% | Sold out |