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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.

Q3 2024 vs. Q2 2024

How the institutions holding Atossa Therapeutics, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of ATOS: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders77186+10
Shares26.2M9.20M27.3M+10.3M (+60.6%)
Value$31.2M$10.9M$41.6M+$21.3M (+105.5%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (17)

Institutions that held Atossa Therapeutics, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to ATOS in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.9,667,615$14.7M0.00%
Susquehanna International Group, LLP71,772$109.1K0.00%
Mirae Asset Global ETFs Holdings Ltd.69,402$105.5K0.00%
Manufacturers Life Insurance Company, The49,113$74.7K0.00%
Two Sigma Securities, LLC24,196$36.8K0.00%
ProShare Advisors LLC23,902$36.3K0.00%
Intech Investment Management LLC19,395$29.5K0.00%
HSBC Holdings PLC16,220$25.1K0.00%
DnB Asset Management AS15,400$23.4K0.00%
Acadian Asset Management LLC14,586$22.0K0.00%
Neuberger Berman Group LLC12,286$18.7K0.00%
CWM, LLC394$1.00K0.00%
Signaturefd, LLC400$6080.00%
Nisa Investment Advisors, LLC380$5780.00%
Sterling Capital Management LLC355$5400.00%
Larson Financial Group LLC100$1520.00%
Capital Performance Advisors LLP25$380.00%

Sold out (7)

Institutions that held Atossa Therapeutics, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of ATOS in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Mariner, LLC105,910$126.0K
Edmond de Rothschild Holding S.A.50,000$59.5K
Group One Trading, L.P.24,198$28.8K
Ground Swell Capital, LLC14,466$17.2K
Alpine Global Management, LLC12,168$14.5K
Millennium Management LLC10,662$12.7K
Unique Wealth Strategies, LLC166$299

Not filed for Q3 2024 yet (1)

Institutions that held Atossa Therapeutics, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATOS in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.9,197,040$10.9M