ATOS · Company research
Atossa Therapeutics, Inc. Common Stock (ATOS): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
52records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 12 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 110 | 212 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52583 | 101485 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 333 | 643 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148 | 286 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 666 | 1285 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3089 | 5962 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 87 | 168 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Aster Capital Management (DIFC) Ltd | 2040915 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 144853 | 120228 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2600 | 5018 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15574 | 30058 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TD Waterhouse Canada Inc. | 1999606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 103 | 210 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 132217 | 255179 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 223 | 430 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 587 | 1131 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4 | 8 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2061 | 3875 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 258153 | 498236 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 82554 | 159329 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Bogart Wealth, LLC | 1715740 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5 | 10 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46526 | 89795 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 132043 | 254843 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MCF Advisors LLC | 1602905 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1066 | 2058 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 361747 | 698172 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39761 | 76739 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39761 | 76739000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1679 | 3240 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20249 | 39081000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1986 | 3833000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| Napier Financial, LLC | 2086579 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 12 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 72956 | 140851 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 48300 | 89028 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20249 | 39081 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BESSEMER GROUP INC | 1054074 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 0 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 390 | 772 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46508 | 89760 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1994 | 4000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NewEdge Advisors, LLC | 1633516 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 333 | 1752 | — | — | — | Jun 3, 2026 | SEC_13F_DATASET |
| Robinswood Financial LLC | 2139748 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 170 | 894 | — | — | — | Jun 9, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 171 | 899 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 255053 | 1341579 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39761 | 209143000 | — | — | — | May 15, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19224 | 101118000 | — | — | — | May 14, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 952 | 5008000 | — | — | — | May 13, 2026 | SEC_13F_HR |
| Robinswood Financial LLC | 2139748 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 2557 | 1508 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Northern Trust Corp | 73124 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 288399 | 170155000 | — | — | — | Feb 17, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 596485 | 351926000 | — | — | — | Feb 13, 2026 | SEC_13F_HR |
| StoneX Group Inc. | 913760 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 19871 | 11724000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Wed Dec 31 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 14288 | 8430000 | — | — | — | Feb 12, 2026 | SEC_13F_HR |
| State Street Corporation | 93751 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 454495 | 394047000 | — | — | — | Nov 14, 2025 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Sep 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 14288 | 12388000 | — | — | — | Nov 12, 2025 | SEC_13F_HR |
| Jump Financial, LLC | 1831577 | Mon Jun 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) | 25351 | 21041 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.