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 2024
Institutional positions in Atossa Therapeutics, Inc. as of Dec 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
- 86
- +2 vs. Q3 2024
- Shares held
- 29.9M
- +2.45M (+8.9%) vs. Q3 2024
- Total value
- $28.3M
- −$13.5M (−32.3%) vs. Q3 2024
- New holders
- 11
- 29 more added
- Sold out
- 9
- 23 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,759,549 | $9.21M | 0.00% | +91,934+1.0% | Added |
| Vanguard Group Inc | 6,618,969 | $6.25M | 0.00% | +20,673+0.3% | Added |
| Geode Capital Management, LLC | 2,814,177 | $2.66M | 0.00% | −2690.0% | Reduced |
| State Street Corp | 1,755,369 | $1.66M | 0.00% | +23,148+1.3% | Added |
| Renaissance Technologies LLC | 1,557,632 | $1.47M | 0.00% | +247,562+18.9% | Added |
| UBS Group AG | 1,124,703 | $1.06M | 0.00% | +1,053,910+1,488.7% | Added |
| Northern Trust Corp | 1,025,724 | $968.4K | 0.00% | +71,525+7.5% | Added |
| Morgan Stanley | 452,196 | $426.9K | 0.00% | −5,324−1.2% | Reduced |
| Citadel Advisors LLC | 427,820 | $403.9K | 0.00% | +265,921+164.3% | Added |
| JPMorgan Chase & Co | 361,296 | $341.1K | 0.00% | +62,012+20.7% | Added |
| Goldman Sachs Group Inc | 344,858 | $325.6K | 0.00% | +95,730+38.4% | Added |
| Charles Schwab Investment Management Inc | 301,648 | $284.8K | 0.00% | −45,962−13.2% | Reduced |
| Bank of New York Mellon Corp | 289,727 | $273.5K | 0.00% | −13,922−4.6% | Reduced |
| Susquehanna International Group, LLP | 226,176 | $213.5K | 0.00% | +154,404+215.1% | Added |
| Virtu Financial LLC | 208,196 | $197.0K | 0.01% | +157,549+311.1% | Added |
| Barclays PLC | 191,954 | $181.2K | 0.00% | +24,236+14.5% | Added |
| Qube Research & Technologies Ltd | 189,579 | $179.0K | 0.00% | −6,010−3.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 189,319 | $178.7K | 0.00% | −10,435−5.2% | Reduced |
| Nuveen Asset Management, LLC | 170,733 | $161.2K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 126,704 | $119.6K | 0.00% | −10,231−7.5% | Reduced |
| Rhumbline Advisers | 122,218 | $115.4K | 0.00% | −821−0.7% | Reduced |
| Bank of America Corp | 111,475 | $105.2K | 0.00% | +37,809+51.3% | Added |
| SG Americas Securities, LLC | 103,865 | $98.0K | 0.00% | +62,016+148.2% | Added |
| Citigroup Inc | 100,024 | $94.4K | 0.00% | +8,047+8.7% | Added |
| Two Sigma Investments, LP | 89,837 | $84.8K | 0.00% | −6,386−6.6% | Reduced |
| XTX Topco Ltd | 79,176 | $74.8K | 0.01% | +29,560+59.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 72,518 | $68.5K | 0.00% | +3,116+4.5% | Added |
| Wells Fargo & Company | 71,720 | $67.7K | 0.00% | +16,853+30.7% | Added |
| Corebridge Financial, Inc. | 62,884 | $59.4K | 0.00% | −4,748−7.0% | Reduced |
| Intech Investment Management LLC | 62,844 | $59.3K | 0.00% | +43,449+224.0% | Added |
| Invesco Ltd. | 60,344 | $57.0K | 0.00% | +4,313+7.7% | Added |
| Price T Rowe Associates Inc | 51,198 | $49.0K | 0.00% | +10,428+25.6% | Added |
| Manufacturers Life Insurance Company, The | 46,331 | $43.7K | 0.00% | −2,782−5.7% | Reduced |
| Commonwealth Equity Services, LLC | 46,001 | $43.0K | 0.00% | +9,978+27.7% | Added |
| Voya Investment Management LLC | 44,232 | $41.8K | 0.00% | −2,117−4.6% | Reduced |
| Two Sigma Advisers, LP | 42,400 | $40.0K | 0.00% | +28,900+214.1% | Added |
| ProShare Advisors LLC | 35,622 | $33.6K | 0.00% | +11,720+49.0% | Added |
| Cetera Investment Advisers | 34,227 | $32.3K | 0.00% | −11,916−25.8% | Reduced |
| HRT Financial LP | 31,501 | $29.0K | 0.00% | +31,501 | New |
| Regions Financial Corp | 30,000 | $28.3K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 29,451 | $27.8K | 0.00% | −15,955−35.1% | Reduced |
| Millennium Management LLC | 29,149 | $27.5K | 0.00% | +29,149 | New |
| Gallagher Capital Advisors, LLC | 26,075 | $24.6K | 0.02% | +26,075 | New |
| Police & Firemen's Retirement System of New Jersey | 25,430 | $24.0K | 0.00% | +25,430 | New |
| Two Sigma Securities, LLC | 22,325 | $21.1K | 0.00% | −1,871−7.7% | Reduced |
| LVM Capital Management Ltd | 21,000 | $20.0K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 18,815 | $17.8K | 0.00% | +18,815 | New |
| Royal Bank of Canada | 17,910 | $17.0K | 0.00% | +4,655+35.1% | Added |
| Alliancebernstein L.P. | 17,380 | $16.4K | 0.00% | 00.0% | Unchanged |
| NorthRock Partners, LLC | 16,750 | $15.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 15,983 | $15.1K | 0.00% | −9,285−36.7% | Reduced |
| New York State Common Retirement Fund | 15,800 | $14.9K | 0.00% | 00.0% | Unchanged |
| DnB Asset Management AS | 15,600 | $14.7K | 0.00% | +200+1.3% | Added |
| Victory Capital Management Inc | 15,555 | $14.7K | 0.00% | −401−2.5% | Reduced |
| HSBC Holdings PLC | 14,878 | $14.1K | 0.00% | −1,342−8.3% | Reduced |
| PFG Investments, LLC | 14,900 | $14.1K | 0.00% | −8,750−37.0% | Reduced |
| Tower Research Capital LLC (TRC) | 13,444 | $12.7K | 0.00% | +5,800+75.9% | Added |
| Group One Trading, L.P. | 13,430 | $12.7K | 0.00% | +13,430 | New |
| Ameritas Investment Partners, Inc. | 12,392 | $11.7K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 12,286 | $11.6K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 11,837 | $11.2K | 0.00% | +11,837 | New |
| Legal & General Group Plc | 11,829 | $11.2K | 0.00% | 00.0% | Unchanged |
| Koss-Olinger Consulting, LLC | 12,000 | $11.0K | 0.00% | −3,000−20.0% | Reduced |
| FMR LLC | 11,293 | $10.7K | 0.00% | +2,559+29.3% | Added |
| J. L. Bainbridge & Co., Inc. | 11,121 | $10.5K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $10.0K | 0.00% | 00.0% | Unchanged |
| Evanson Asset Management, LLC | 10,000 | $9.44K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 10,000 | $9.00K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 9,165 | $8.65K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,550 | $8.04K | 0.00% | −1,650−16.2% | Reduced |
| GWM Advisors LLC | 5,000 | $4.72K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 4,376 | $4.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 3,579 | $3.38K | 0.00% | +3,224+908.2% | Added |
| Harbour Investments, Inc. | 1,711 | $1.61K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,565 | $1.48K | 0.00% | +1,565 | New |
| St. Johns Investment Management Company, LLC | 1,550 | $1.46K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 1,555 | $1.46K | 0.00% | 00.0% | Unchanged |
| R Squared Ltd | 1,020 | $963 | 0.00% | +1,020 | New |
| Allworth Financial LP | 702 | $673 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 112 | $106 | 0.00% | −268−70.5% | Reduced |
| Larson Financial Group LLC | 100 | $94 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 70 | $67 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 32 | $30 | 0.00% | +32 | New |
| CWM, LLC | 27 | $0 | 0.00% | −367−93.1% | Reduced |
| Hantz Financial Services, Inc. | 82 | $0 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 609 | $0 | 0.00% | +609 | New |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −30,922−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −23,978−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −14,586−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,627−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −10,245−100.0% | Sold out |
| Silicon Valley Capital Partners | 0 | $0 | 0.00% | −3,875−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Delos Wealth Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | – | – | – | – | Not filed |
| Planning Capital Management Corp | – | – | – | – | Not filed |