ATOSSA THERAPEUTICS INC

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ATOS·04962H704·US·equity·Healthcare - Biotechnology-13D/G

ATOS (ATOSSA THERAPEUTICS INC) is held by 20 institutional investors as of Q1 2026. Largest holders: AMERIPRISE FINANCIAL INC ($1.3M), BlackRock, Inc. ($700,469), RENAISSANCE TECHNOLOGIES LLC ($573,377). Net institutional sentiment: Bearish.

20

Holders

Avg rating(3 Elite)

$4.4M

Total Value

5% (44)

Fund Consensus

2 buying - 42 selling

Smart Money Verdict

View all

37Weak MomentumConfirmed

Institutional (13F)32

Insider (Form 4)

No data

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how ATOS's score breaks down across 4 SEC sources

Holder Quality

3

★★★★★

Elite

10

★★★★

Strong

17

★★★

Solid

10

★★

Below

4

★

Weak

Held by 20 funds

3 elite

Who's Trading

ActivistThe Vanguard Group4.5%Jul 29, 2025

ActivistBlackRock, Inc.1.6%Jul 16, 2025

InsiderQCQUAY STEVEN CBuy $10KMay 21, 2025

InsiderRLRemmel H. LawrenceBuy $7KMar 26, 2025

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (20)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
AMERIPRISE FINANCIAL INC	Decreased	255,134(-93.3%)	$1.3M	0.0%	-60.69%	0
BlackRock, Inc.	Decreased	133,169(-93.3%)	$700,469	0.0%	-66.67%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	109,007(-94.7%)	$573,377	0.0%	-68.89%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	97,061(-92.9%)	$510,657	0.0%	-88.59%	0
UBS Group AG	Decreased	92,034(-76.4%)	$484,099	0.0%	-62.79%	0
MILLENNIUM MANAGEMENT LLC	Decreased	66,739(-94.6%)	$351,047	0.0%	-63.26%	0
STATE STREET CORP	Decreased	39,761(-93.3%)	$209,143	0.0%	-68.24%	0
NORTHERN TRUST CORP	Decreased	19,224(-93.3%)	$101,118	0.0%	-86.10%	0
MORGAN STANLEY	Decreased	16,202(-73.7%)	$85,222	0.0%	-72.85%	0
JONES FINANCIAL COMPANIES LLLP	Increased	2,061(+194.4%)	$9,728	0.0%	-27.43%	19
GROUP ONE TRADING LLC	Decreased	609(-90.9%)	$3,203	0.0%	-47.85%	0
OSAIC HOLDINGS, INC.	Decreased	587(-93.4%)	$3,086	0.0%	-84.57%	0
ROYAL BANK OF CANADA	Decreased	644(-31.7%)	$3,000	0.0%	-63.93%	0
Rockefeller Capital Management L.P.	Decreased	353(-92.9%)	$1,857	0.0%	-62.84%	0
JPMORGAN CHASE & CO	Decreased	383(-99.0%)	$1,804	0.0%	-63.14%	0
WELLS FARGO & COMPANY/MN	Increased	296(+256.6%)	$1,557	0.0%	-40.48%	12
TD Waterhouse Canada Inc.	Decreased	103(-93.4%)	$525	0.0%	-79.44%	0
BNP PARIBAS FINANCIAL MARKETS	Decreased	98(-93.5%)	$515	0.0%	-75.96%	0
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	Decreased	46(-90.8%)	$242	0.0%	-47.85%	0
Allworth Financial LP	Decreased	46(-93.5%)	$242	0.0%	-84.23%	0

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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer