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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.

Q4 2023 vs. Q3 2023

How the institutions holding Atossa Therapeutics, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of ATOS: Q3 2023 compared with Q4 2023
MeasureQ3 2023Q4 2023Change
Holders5449−5
Shares16.2M16.0M−202.6K (−1.3%)
Value$11.9M$14.1M+$2.19M (+18.4%)

New holders (3)

Institutions that held Atossa Therapeutics, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to ATOS in Q4 2023
InstitutionSharesValue% of portfolio
Bank of Montreal352,700$359.8K0.00%
Squarepoint Ops LLC63,065$55.5K0.00%
Regions Financial Corp30,000$26.4K0.00%

Sold out (8)

Institutions that held Atossa Therapeutics, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of ATOS in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Virtu Financial LLC80,728$59.0K
Two Sigma Securities, LLC36,466$26.9K
HRT Financial LP29,138$21.0K
HighTower Advisors, LLC20,100$15.0K
Jane Street Group, LLC17,302$12.7K
Victory Capital Management Inc13,823$10.2K
NBC Securities, Inc.150$0
Cutler Group LP574$0