Tamarly Intelligence

Who Holds Atossa Therapeutics, Inc. (ATOS)? 31 Institutional Holders, Q2 2026

Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 31 holders, $3 million in total.

Largest holders

The 31 largest by value. Change in shares against Q1 2026.

ManagerSharesValueChange
VANGUARD CAPITAL MANAGEMENT LLC361,747$698,172+4%13F
AMERIPRISE FINANCIAL INC258,234$498,392+1%13F
BlackRock, Inc.164,358$317,211+23%13F
RENAISSANCE TECHNOLOGIES LLC132,043$254,843+21%13F
GEODE CAPITAL MANAGEMENT, LLC92,382$178,343-5%13F
UBS Group AG82,620$159,456-10%13F
JANE STREET GROUP, LLC56,602$109,242New13F
VANGUARD FIDUCIARY TRUST CO52,583$101,485+1%13F
MILLENNIUM MANAGEMENT LLC46,508$89,760-30%13F
STATE STREET CORP39,761$76,739+0%13F
NORTHERN TRUST CORP20,249$39,081+5%13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP15,574$30,058New13F
MORGAN STANLEY12,345$23,825-24%13F
Vanguard Global Advisers, LLC3,089$5,962+0%13F
ROYAL BANK OF CANADA1,994$4,000+210%13F
JONES FINANCIAL COMPANIES LLLP2,061$3,875+0%13F
MCF Advisors LLC1,066$2,058New13F
OSAIC HOLDINGS, INC.587$1,131+0%13F
JPMORGAN CHASE & CO390$772+2%13F
Rockefeller Capital Management L.P.333$643-6%13F
WELLS FARGO & COMPANY/MN228$440-23%13F
SBI Securities Co., Ltd.148$286+31%13F
HARBOUR INVESTMENTS, INC.110$212+0%13F
TD Waterhouse Canada Inc.103$210+0%13F
BNP PARIBAS FINANCIAL MARKETS87$168-11%13F
GROUP ONE TRADING LLC54$104-91%13F
Caitong International Asset Management Co., Ltd6$12New13F
Napier Financial, LLC6$12+0%13F
Bogart Wealth, LLC5$10+0%13F
Clearstead Advisors, LLC4$8+0%13F
BESSEMER GROUP INC6$0New13F

Questions and answers

How many institutions hold Atossa Therapeutics, Inc.?
31 managers reported Atossa Therapeutics, Inc. on Form 13F for the quarter ended 30 June 2026, against 33 the quarter before.
Who is the largest institutional holder of Atossa Therapeutics, Inc.?
VANGUARD CAPITAL MANAGEMENT LLC, with 361,747 shares worth $698,172 on its 13F for Q2 2026.
How many institutions bought or sold out of Atossa Therapeutics, Inc. in Q2 2026?
5 managers reported a new position and 7 reported none after holding it the quarter before.
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Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Atossa Therapeutics, Inc., Q2 2026", https://app.tamarly.ai/holders/atossa-therapeutics, built from SEC EDGAR.

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