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
- +2.60M (+9.5%) vs. Q3 2024
- Total value
- $28.3M
- −$13.3M (−32.0%) 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 | $16.8M |
| 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, 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 |
|---|---|---|---|---|---|
| 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 |
| EverSource Wealth Advisors, LLC | 32 | $30 | 0.00% | +32 | New |
| Clearstead Advisors, LLC | 70 | $67 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 100 | $94 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 112 | $106 | 0.00% | −268−70.5% | Reduced |
| Allworth Financial LP | 702 | $673 | 0.00% | 00.0% | Unchanged |
| R Squared Ltd | 1,020 | $963 | 0.00% | +1,020 | New |
| TD Waterhouse Canada Inc. | 1,555 | $1.46K | 0.00% | 00.0% | Unchanged |
| St. Johns Investment Management Company, LLC | 1,550 | $1.46K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,565 | $1.48K | 0.00% | +1,565 | New |
| Harbour Investments, Inc. | 1,711 | $1.61K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 3,579 | $3.38K | 0.00% | +3,224+908.2% | Added |
| Amalgamated Bank | 4,376 | $4.00K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 5,000 | $4.72K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,550 | $8.04K | 0.00% | −1,650−16.2% | Reduced |
| California State Teachers Retirement System | 9,165 | $8.65K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 10,000 | $9.00K | 0.00% | 00.0% | Unchanged |
| Evanson Asset Management, LLC | 10,000 | $9.44K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,600 | $10.0K | 0.00% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 11,121 | $10.5K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 11,293 | $10.7K | 0.00% | +2,559+29.3% | Added |
| Koss-Olinger Consulting, LLC | 12,000 | $11.0K | 0.00% | −3,000−20.0% | Reduced |
| Legal & General Group Plc | 11,829 | $11.2K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 11,837 | $11.2K | 0.00% | +11,837 | New |
| Neuberger Berman Group LLC | 12,286 | $11.6K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 12,392 | $11.7K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 13,430 | $12.7K | 0.00% | +13,430 | New |
| Tower Research Capital LLC (TRC) | 13,444 | $12.7K | 0.00% | +5,800+75.9% | Added |
| PFG Investments, LLC | 14,900 | $14.1K | 0.00% | −8,750−37.0% | Reduced |
| HSBC Holdings PLC | 14,878 | $14.1K | 0.00% | −1,342−8.3% | Reduced |
| Victory Capital Management Inc | 15,555 | $14.7K | 0.00% | −401−2.5% | Reduced |
| DnB Asset Management AS | 15,600 | $14.7K | 0.00% | +200+1.3% | Added |
| New York State Common Retirement Fund | 15,800 | $14.9K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 15,983 | $15.1K | 0.00% | −9,285−36.7% | Reduced |
| NorthRock Partners, LLC | 16,750 | $15.8K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 17,380 | $16.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 17,910 | $17.0K | 0.00% | +4,655+35.1% | Added |
| Raymond James Financial Inc | 18,815 | $17.8K | 0.00% | +18,815 | New |
| LVM Capital Management Ltd | 21,000 | $20.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 22,325 | $21.1K | 0.00% | −1,871−7.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 25,430 | $24.0K | 0.00% | +25,430 | New |
| Gallagher Capital Advisors, LLC | 26,075 | $24.6K | 0.02% | +26,075 | New |
| Millennium Management LLC | 29,149 | $27.5K | 0.00% | +29,149 | New |
| LPL Financial LLC | 29,451 | $27.8K | 0.00% | −15,955−35.1% | Reduced |
| Regions Financial Corp | 30,000 | $28.3K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 31,501 | $29.0K | 0.00% | +31,501 | New |
| Cetera Investment Advisers | 34,227 | $32.3K | 0.00% | −11,916−25.8% | Reduced |
| ProShare Advisors LLC | 35,622 | $33.6K | 0.00% | +11,720+49.0% | Added |
| Two Sigma Advisers, LP | 42,400 | $40.0K | 0.00% | +28,900+214.1% | Added |
| Voya Investment Management LLC | 44,232 | $41.8K | 0.00% | −2,117−4.6% | Reduced |
| Commonwealth Equity Services, LLC | 46,001 | $43.0K | 0.00% | +9,978+27.7% | Added |
| Manufacturers Life Insurance Company, The | 46,331 | $43.7K | 0.00% | −2,782−5.7% | Reduced |
| Price T Rowe Associates Inc | 51,198 | $49.0K | 0.00% | +10,428+25.6% | Added |
| Invesco Ltd. | 60,344 | $57.0K | 0.00% | +4,313+7.7% | Added |
| Intech Investment Management LLC | 62,844 | $59.3K | 0.00% | +43,449+224.0% | Added |
| Corebridge Financial, Inc. | 62,884 | $59.4K | 0.00% | −4,748−7.0% | Reduced |
| Wells Fargo & Company | 71,720 | $67.7K | 0.00% | +16,853+30.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 72,518 | $68.5K | 0.00% | +3,116+4.5% | Added |
| XTX Topco Ltd | 79,176 | $74.8K | 0.01% | +29,560+59.6% | Added |
| Two Sigma Investments, LP | 89,837 | $84.8K | 0.00% | −6,386−6.6% | Reduced |
| Citigroup Inc | 100,024 | $94.4K | 0.00% | +8,047+8.7% | Added |
| SG Americas Securities, LLC | 103,865 | $98.0K | 0.00% | +62,016+148.2% | Added |
| Bank of America Corp | 111,475 | $105.2K | 0.00% | +37,809+51.3% | Added |
| Rhumbline Advisers | 122,218 | $115.4K | 0.00% | −821−0.7% | Reduced |
| Jane Street Group, LLC | 126,704 | $119.6K | 0.00% | −10,231−7.5% | Reduced |
| Nuveen Asset Management, LLC | 170,733 | $161.2K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 189,319 | $178.7K | 0.00% | −10,435−5.2% | Reduced |
| Qube Research & Technologies Ltd | 189,579 | $179.0K | 0.00% | −6,010−3.1% | Reduced |
| Barclays PLC | 191,954 | $181.2K | 0.00% | +24,236+14.5% | Added |
| Virtu Financial LLC | 208,196 | $197.0K | 0.01% | +157,549+311.1% | Added |
| Susquehanna International Group, LLP | 226,176 | $213.5K | 0.00% | +154,404+215.1% | Added |
| Bank of New York Mellon Corp | 289,727 | $273.5K | 0.00% | −13,922−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 301,648 | $284.8K | 0.00% | −45,962−13.2% | Reduced |
| Goldman Sachs Group Inc | 344,858 | $325.6K | 0.00% | +95,730+38.4% | Added |
| JPMorgan Chase & Co | 361,296 | $341.1K | 0.00% | +211,654+141.4% | Added |
| Citadel Advisors LLC | 427,820 | $403.9K | 0.00% | +265,921+164.3% | Added |
| Morgan Stanley | 452,196 | $426.9K | 0.00% | −5,324−1.2% | Reduced |
| Northern Trust Corp | 1,025,724 | $968.4K | 0.00% | +71,525+7.5% | Added |
| UBS Group AG | 1,124,703 | $1.06M | 0.00% | +1,053,910+1,488.7% | Added |
| Renaissance Technologies LLC | 1,557,632 | $1.47M | 0.00% | +247,562+18.9% | Added |
| State Street Corp | 1,755,369 | $1.66M | 0.00% | +23,148+1.3% | Added |
| Geode Capital Management, LLC | 2,814,177 | $2.66M | 0.00% | −2690.0% | Reduced |
| Vanguard Group Inc | 6,618,969 | $6.25M | 0.00% | +20,673+0.3% | Added |
| BlackRock, Inc. | 9,759,549 | $9.21M | 0.00% | +91,934+1.0% | Added |
| 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 |