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, Q2 2021
Institutional positions in Atossa Therapeutics, Inc. as of Jun 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
- 90
- +36 vs. Q1 2021
- Shares held
- 35.7M
- +24.9M (+230.1%) vs. Q1 2021
- Total value
- $225.8M
- +$203.0M (+888.3%) vs. Q1 2021
- New holders
- 57
- 21 more added
- Sold out
- 21
- 7 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 8,954,293 | $56.6M | 0.00% | +7,422,011+484.4% | Added |
| Vanguard Group Inc | 5,762,626 | $36.4M | 0.00% | +2,582,061+81.2% | Added |
| Susquehanna International Group, LLP | 2,592,177 | $16.4M | 0.02% | +2,542,921+5,162.7% | Added |
| State Street Corp | 2,032,668 | $12.8M | 0.00% | +2,032,668 | New |
| Geode Capital Management, LLC | 1,968,745 | $12.4M | 0.00% | +1,480,631+303.3% | Added |
| Invesco Ltd. | 1,851,353 | $11.7M | 0.00% | +1,851,353 | New |
| Millennium Management LLC | 1,666,911 | $10.5M | 0.01% | +1,666,911 | New |
| Group One Trading, L.P. | 1,644,488 | $10.4M | 0.20% | +1,644,488 | New |
| Jane Street Group, LLC | 1,323,649 | $8.37M | 0.02% | +1,228,839+1,296.1% | Added |
| Northern Trust Corp | 1,123,852 | $7.10M | 0.00% | +978,204+671.6% | Added |
| Nuveen Asset Management, LLC | 1,097,131 | $6.93M | 0.00% | +1,097,131 | New |
| Sabby Management, LLC | 1,045,987 | $6.61M | 1.43% | +803,750+331.8% | Added |
| Bank of New York Mellon Corp | 465,572 | $2.94M | 0.00% | +429,645+1,195.9% | Added |
| Bank of Nova Scotia | 348,698 | $2.20M | 0.00% | +348,698 | New |
| Morgan Stanley | 311,973 | $1.97M | 0.00% | +114,240+57.8% | Added |
| Charles Schwab Investment Management Inc | 293,958 | $1.86M | 0.00% | +266,650+976.5% | Added |
| Sculptor Capital LP | 268,000 | $1.69M | 0.01% | +214,500+400.9% | Added |
| Voloridge Investment Management, LLC | 255,984 | $1.62M | 0.01% | +255,984 | New |
| Squarepoint Ops LLC | 188,259 | $1.19M | 0.01% | +188,259 | New |
| California State Teachers Retirement System | 161,269 | $1.02M | 0.00% | +161,269 | New |
| JPMorgan Chase & Co | 156,324 | $988.0K | 0.00% | +156,324 | New |
| State of Wisconsin Investment Board | 151,300 | $956.0K | 0.00% | +151,300 | New |
| Simplex Trading, LLC | 141,547 | $894.0K | 0.03% | +141,547 | New |
| Rhumbline Advisers | 130,369 | $824.0K | 0.00% | +130,369 | New |
| Alliancebernstein L.P. | 116,100 | $734.0K | 0.00% | +116,100 | New |
| Mariner, LLC | 114,860 | $726.0K | 0.00% | +114,860 | New |
| New York State Common Retirement Fund | 100,200 | $633.0K | 0.00% | +100,200 | New |
| Bank of America Corp | 78,823 | $498.0K | 0.00% | +78,823 | New |
| Enlightenment Research, LLC | 73,100 | $462.0K | 0.59% | +73,100 | New |
| Cutler Group LP | 72,179 | $456.0K | 0.03% | +28,151+63.9% | Added |
| Deutsche Bank AG | 69,454 | $439.0K | 0.00% | +69,454 | New |
| Manufacturers Life Insurance Company, The | 67,879 | $429.0K | 0.00% | +67,879 | New |
| American International Group, Inc. | 65,553 | $414.0K | 0.00% | +65,553 | New |
| DC Investments Management, LLC | 64,490 | $408.0K | 0.96% | +64,490 | New |
| Spire Wealth Management | 48,000 | $335.0K | 0.01% | +3,000+6.7% | Added |
| Caption Management, LLC | 52,300 | $331.0K | 0.03% | +52,300 | New |
| Parametric Portfolio Associates LLC | 52,128 | $329.0K | 0.00% | +52,128 | New |
| Goldman Sachs Group Inc | 50,007 | $316.0K | 0.00% | −13,763−21.6% | Reduced |
| Edmond de Rothschild Holding S.A. | 50,000 | $316.0K | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 46,138 | $292.0K | 0.00% | +46,138 | New |
| MetLife Investment Management | 44,000 | $278.1K | 0.00% | +44,000 | New |
| Two Sigma Advisers, LP | 38,500 | $243.0K | 0.00% | −9,900−20.5% | Reduced |
| Americana Partners, LLC | 54,500 | $237.0K | 0.12% | +54,500 | New |
| DuPont Capital Management Corp | 35,145 | $222.0K | 0.01% | +35,145 | New |
| Metropolitan Life Insurance Co | 33,687 | $212.9K | 0.00% | +33,687 | New |
| Commonwealth Equity Services, LLC | 33,383 | $210.0K | 0.00% | +2,000+6.4% | Added |
| ProShare Advisors LLC | 30,351 | $192.0K | 0.00% | +30,351 | New |
| STRS Ohio | 27,100 | $171.0K | 0.00% | +27,100 | New |
| Panagora Asset Management Inc | 26,725 | $169.0K | 0.00% | +26,725 | New |
| Price T Rowe Associates Inc | 24,844 | $157.0K | 0.00% | +24,844 | New |
| Barclays PLC | 23,070 | $145.0K | 0.00% | −42,624−64.9% | Reduced |
| Gotham Asset Management, LLC | 22,376 | $141.0K | 0.01% | +22,376 | New |
| Martingale Asset Management L P | 22,081 | $140.0K | 0.00% | +22,081 | New |
| Advisor Group Holdings, Inc. | 19,941 | $127.0K | 0.00% | −3,895−16.3% | Reduced |
| Virtu Financial LLC | 18,624 | $118.0K | 0.01% | −253,313−93.2% | Reduced |
| Victory Capital Management Inc | 18,468 | $117.0K | 0.00% | +7,421+67.2% | Added |
| Federation des caisses Desjardins du Quebec | 18,125 | $114.5K | 0.00% | +525+3.0% | Added |
| Amalgamated Bank | 16,827 | $106.0K | 0.00% | +16,827 | New |
| Royal Bank of Canada | 16,410 | $104.0K | 0.00% | +14,410+720.5% | Added |
| Citigroup Inc | 15,568 | $98.0K | 0.00% | +5,568+55.7% | Added |
| Two Sigma Investments, LP | 15,076 | $95.0K | 0.00% | +15,076 | New |
| Principal Financial Group Inc | 13,864 | $88.0K | 0.00% | +13,864 | New |
| Ameriprise Financial Inc | 13,377 | $85.0K | 0.00% | +13,377 | New |
| State Board of Administration of Florida Retirement System | 13,525 | $85.0K | 0.00% | +13,525 | New |
| Legal & General Group Plc | 11,736 | $74.0K | 0.00% | +11,736 | New |
| J. L. Bainbridge & Co., Inc. | 10,621 | $67.0K | 0.01% | +10,621 | New |
| BNP Paribas Arbitrage, SA | 10,483 | $66.3K | 0.00% | +10,483 | New |
| Lincoln National Corp | 10,340 | $65.0K | 0.00% | −2,660−20.5% | Reduced |
| Point72 Hong Kong Ltd | 10,224 | $65.0K | 0.00% | +10,224 | New |
| Ameritas Investment Partners, Inc. | 9,173 | $58.0K | 0.00% | +9,173 | New |
| Cubist Systematic Strategies, LLC | 5,257 | $33.0K | 0.00% | +5,257 | New |
| Tower Research Capital LLC (TRC) | 4,787 | $30.0K | 0.00% | +4,787 | New |
| Harbour Investments, Inc. | 3,461 | $22.0K | 0.00% | +935+37.0% | Added |
| Geneos Wealth Management Inc. | 4,000 | $21.0K | 0.00% | +1,000+33.3% | Added |
| SG3 Management, LLC | 2,500 | $16.0K | 0.01% | −5,000−66.7% | Reduced |
| St. Johns Investment Management Company, LLC | 1,550 | $10.0K | 0.01% | +1,550 | New |
| CenterStar Asset Management, LLC | – | $10.0K | 0.01% | – | New |
| Community Bank, N.A. | 1,475 | $9.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,164 | $7.00K | 0.00% | +200+20.7% | Added |
| Allworth Financial LP | 702 | $4.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 500 | $3.00K | 0.00% | +500 | New |
| Castleview Partners, LLC | 500 | $3.00K | 0.00% | +500 | New |
| Brewin Dolphin Ltd | 320 | $2.02K | 0.00% | +320 | New |
| Prestige Wealth Management Group LLC | 280 | $2.00K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 300 | $2.00K | 0.00% | +300 | New |
| Federated Hermes, Inc. | 138 | $1.00K | 0.00% | +138 | New |
| Delos Wealth Advisors, LLC | 100 | $1.00K | 0.00% | +100 | New |
| Eaton Vance Management | 5 | $0 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 2 | $0 | 0.00% | +2 | New |
| Salem Investment Counselors Inc | 3 | $0 | 0.00% | +3 | New |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −3,304,140−100.0% | Sold out |
| CVI Holdings, LLC | 0 | $0 | 0.00% | −432,305−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −51,257−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −48,666−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −34,070−100.0% | Sold out |
| Meitav Dash Investments Ltd | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Bienville Capital Management, LLC | 0 | $0 | 0.00% | −28,379−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −26,170−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −22,925−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −20,392−100.0% | Sold out |