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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 2021 vs. Q2 2021

How the institutions holding Atossa Therapeutics, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of ATOS: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders90193+4
Shares35.7M50031.1M−4.66M (−13.0%)
Value$225.8M$3.00K$102.1M−$123.7M (−54.8%)

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (20)

Institutions that held Atossa Therapeutics, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ATOS in Q3 2021
InstitutionSharesValue% of portfolio
Citadel Advisors LLC1,021,707$3.33M0.00%
D. E. Shaw & Co., Inc.896,057$2.92M0.00%
HRT Financial LP243,504$793.0K0.00%
Mirabella Financial Services LLP216,320$705.0K0.09%
ExodusPoint Capital Management, LP139,989$456.0K0.01%
Susquehanna Fundamental Investments, LLC94,950$310.0K0.01%
SG Americas Securities, LLC82,160$268.0K0.00%
UBS Group AG40,665$133.0K0.00%
AQR Capital Management LLC33,186$108.0K0.00%
Newbridge Financial Services Group, Inc.32,000$104.0K0.07%
HighTower Advisors, LLC20,100$65.0K0.00%
Franklin Resources Inc14,300$47.0K0.00%
Private Advisor Group, LLC11,205$37.0K0.00%
First Republic Investment Management, Inc.11,000$36.0K0.00%
Kestra Advisory Services, LLC10,500$34.0K0.00%
Sphinx Trading, LP1,900$6.00K0.01%
Signaturefd, LLC300$1.00K0.00%
Hudock, Inc.500$1.00K0.00%
Northwestern Mutual Wealth Management Co83$00.00%
Ellevest, Inc.88$00.00%

Sold out (16)

Institutions that held Atossa Therapeutics, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Not filed for Q3 2021 yet (1)

Institutions that held Atossa Therapeutics, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATOS in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Castleview Partners, LLC500$3.00K