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Atossa Therapeutics, Inc. ATOS

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2.19 USD +0.17 (+8.41%)

Nov 6, 2026, 12:25 PM EST

1.99 Day range 2.19
1.70 52-week range 14.85
YTD
-75.26%
1 year
-81.98%

Ownership

Held by insiders 0.06%
Held by institutions 28.16%
Float held by institutions 28.18%
Institutions 113

Top institutional holders

Top institutional holders
Holder% heldSharesValueReported
Blackrock Inc.7.68%9,667,6159.96MSep 29, 2024
Vanguard Group Inc5.25%6,598,2966.80MSep 29, 2024
Geode Capital Management, LLC2.24%2,814,4462.90MSep 29, 2024
State Street Corporation1.38%1,732,2211.78MSep 29, 2024
Renaissance Technologies, LLC1.04%1,310,0701.35MSep 29, 2024
Northern Trust Corporation0.76%954,199982.82KSep 29, 2024

Top mutual fund holders

Top mutual fund holders
Holder% heldSharesValueReported
Vanguard Total Stock Market Index Fund3.13%3,939,4414.06MSep 29, 2024
iShares Russell 2000 ETF2.60%3,268,2683.37MOct 30, 2024
Vanguard Extended Market Index Fund1.33%1,667,7481.72MSep 29, 2024
Fidelity Small Cap Index Fund1.04%1,304,1951.34MAug 30, 2024
iShares Russell 2000 Value ETF0.85%1,065,2271.10MOct 30, 2024
Fidelity Extended Market Index Fund0.54%676,434696.73KOct 30, 2024
ATOS insiders
InsiderRelationLatest transactionDateShares held
FINN JONATHAN F.DirectorPurchaseApr 9, 202425,000
WEAVER GREGORY LOfficer and DirectorSaleNov 14, 202355