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 | $16.8M |
| 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, 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 |
|---|---|---|---|---|---|
| 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 |
| Federated Hermes, Inc. | 138 | $1.00K | 0.00% | +138 | New |
| Delos Wealth Advisors, LLC | 100 | $1.00K | 0.00% | +100 | 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 |
| Brewin Dolphin Ltd | 320 | $2.02K | 0.00% | +320 | New |
| Captrust Financial Advisors | 500 | $3.00K | 0.00% | +500 | New |
| Castleview Partners, LLC | 500 | $3.00K | 0.00% | +500 | New |
| Allworth Financial LP | 702 | $4.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,164 | $7.00K | 0.00% | +200+20.7% | Added |
| Community Bank, N.A. | 1,475 | $9.00K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $10.0K | 0.01% | +1,550 | New |
| CenterStar Asset Management, LLC | – | $10.0K | 0.01% | – | New |
| SG3 Management, LLC | 2,500 | $16.0K | 0.01% | −5,000−66.7% | Reduced |
| Geneos Wealth Management Inc. | 4,000 | $21.0K | 0.00% | +1,000+33.3% | Added |
| Harbour Investments, Inc. | 3,461 | $22.0K | 0.00% | +935+37.0% | Added |
| Tower Research Capital LLC (TRC) | 4,787 | $30.0K | 0.00% | +4,787 | New |
| Cubist Systematic Strategies, LLC | 5,257 | $33.0K | 0.00% | +5,257 | New |
| Ameritas Investment Partners, Inc. | 9,173 | $58.0K | 0.00% | +9,173 | 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 |
| BNP Paribas Arbitrage, SA | 10,483 | $66.3K | 0.00% | +10,483 | New |
| J. L. Bainbridge & Co., Inc. | 10,621 | $67.0K | 0.01% | +10,621 | New |
| Legal & General Group Plc | 11,736 | $74.0K | 0.00% | +11,736 | 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 |
| Principal Financial Group Inc | 13,864 | $88.0K | 0.00% | +13,864 | New |
| Two Sigma Investments, LP | 15,076 | $95.0K | 0.00% | +15,076 | New |
| Citigroup Inc | 15,568 | $98.0K | 0.00% | +5,568+55.7% | Added |
| Royal Bank of Canada | 16,410 | $104.0K | 0.00% | +14,410+720.5% | Added |
| Amalgamated Bank | 16,827 | $106.0K | 0.00% | +16,827 | New |
| Federation des caisses Desjardins du Quebec | 18,125 | $114.5K | 0.00% | +525+3.0% | Added |
| Victory Capital Management Inc | 18,468 | $117.0K | 0.00% | +7,421+67.2% | Added |
| Virtu Financial LLC | 18,624 | $118.0K | 0.01% | −253,313−93.2% | Reduced |
| Advisor Group Holdings, Inc. | 19,941 | $127.0K | 0.00% | −3,895−16.3% | Reduced |
| Martingale Asset Management L P | 22,081 | $140.0K | 0.00% | +22,081 | New |
| Gotham Asset Management, LLC | 22,376 | $141.0K | 0.01% | +22,376 | New |
| Barclays PLC | 23,070 | $145.0K | 0.00% | −42,624−64.9% | Reduced |
| Price T Rowe Associates Inc | 24,844 | $157.0K | 0.00% | +24,844 | New |
| Panagora Asset Management Inc | 26,725 | $169.0K | 0.00% | +26,725 | New |
| STRS Ohio | 27,100 | $171.0K | 0.00% | +27,100 | New |
| ProShare Advisors LLC | 30,351 | $192.0K | 0.00% | +30,351 | New |
| Commonwealth Equity Services, LLC | 33,383 | $210.0K | 0.00% | +2,000+6.4% | Added |
| Metropolitan Life Insurance Co | 33,687 | $212.9K | 0.00% | +33,687 | New |
| DuPont Capital Management Corp | 35,145 | $222.0K | 0.01% | +35,145 | New |
| Americana Partners, LLC | 54,500 | $237.0K | 0.12% | +54,500 | New |
| Two Sigma Advisers, LP | 38,500 | $243.0K | 0.00% | −9,900−20.5% | Reduced |
| MetLife Investment Management | 44,000 | $278.1K | 0.00% | +44,000 | New |
| Voya Investment Management LLC | 46,138 | $292.0K | 0.00% | +46,138 | 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 |
| Parametric Portfolio Associates LLC | 52,128 | $329.0K | 0.00% | +52,128 | New |
| Caption Management, LLC | 52,300 | $331.0K | 0.03% | +52,300 | New |
| Spire Wealth Management | 48,000 | $335.0K | 0.01% | +3,000+6.7% | Added |
| DC Investments Management, LLC | 64,490 | $408.0K | 0.96% | +64,490 | New |
| American International Group, Inc. | 65,553 | $414.0K | 0.00% | +65,553 | New |
| Manufacturers Life Insurance Company, The | 67,879 | $429.0K | 0.00% | +67,879 | New |
| Deutsche Bank AG | 69,454 | $439.0K | 0.00% | +69,454 | New |
| Cutler Group LP | 72,179 | $456.0K | 0.03% | +28,151+63.9% | Added |
| Enlightenment Research, LLC | 73,100 | $462.0K | 0.59% | +73,100 | New |
| Bank of America Corp | 78,823 | $498.0K | 0.00% | +78,823 | New |
| New York State Common Retirement Fund | 100,200 | $633.0K | 0.00% | +100,200 | New |
| Mariner, LLC | 114,860 | $726.0K | 0.00% | +114,860 | New |
| Alliancebernstein L.P. | 116,100 | $734.0K | 0.00% | +116,100 | New |
| Rhumbline Advisers | 130,369 | $824.0K | 0.00% | +130,369 | New |
| Simplex Trading, LLC | 141,547 | $894.0K | 0.03% | +141,547 | New |
| State of Wisconsin Investment Board | 151,300 | $956.0K | 0.00% | +151,300 | New |
| JPMorgan Chase & Co | 156,324 | $988.0K | 0.00% | +156,324 | New |
| California State Teachers Retirement System | 161,269 | $1.02M | 0.00% | +161,269 | New |
| Squarepoint Ops LLC | 188,259 | $1.19M | 0.01% | +188,259 | New |
| Voloridge Investment Management, LLC | 255,984 | $1.62M | 0.01% | +255,984 | New |
| Sculptor Capital LP | 268,000 | $1.69M | 0.01% | +214,500+400.9% | Added |
| Charles Schwab Investment Management Inc | 293,958 | $1.86M | 0.00% | +266,650+976.5% | Added |
| Morgan Stanley | 311,973 | $1.97M | 0.00% | +114,240+57.8% | Added |
| Bank of Nova Scotia | 348,698 | $2.20M | 0.00% | +348,698 | New |
| Bank of New York Mellon Corp | 465,572 | $2.94M | 0.00% | +429,645+1,195.9% | Added |
| Sabby Management, LLC | 1,045,987 | $6.61M | 1.43% | +803,750+331.8% | Added |
| Nuveen Asset Management, LLC | 1,097,131 | $6.93M | 0.00% | +1,097,131 | New |
| Northern Trust Corp | 1,123,852 | $7.10M | 0.00% | +978,204+671.6% | Added |
| Jane Street Group, LLC | 1,323,649 | $8.37M | 0.02% | +1,228,839+1,296.1% | Added |
| Group One Trading, L.P. | 1,644,488 | $10.4M | 0.20% | +1,644,488 | New |
| Millennium Management LLC | 1,666,911 | $10.5M | 0.01% | +1,666,911 | New |
| Invesco Ltd. | 1,851,353 | $11.7M | 0.00% | +1,851,353 | New |
| Geode Capital Management, LLC | 1,968,745 | $12.4M | 0.00% | +1,480,631+303.3% | Added |
| State Street Corp | 2,032,668 | $12.8M | 0.00% | +2,032,668 | New |
| Susquehanna International Group, LLP | 2,592,177 | $16.4M | 0.02% | +2,542,921+5,162.7% | Added |
| Vanguard Group Inc | 5,762,626 | $36.4M | 0.00% | +2,582,061+81.2% | Added |
| BlackRock Inc. | 8,954,293 | $56.6M | 0.00% | +7,422,011+484.4% | Added |
| 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 |