Atossa Therapeutics, Inc.

Historical 13F Holders

Symbol
ATOS
CUSIP
04962H506
All holders as of
Q4 2025
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 04962H506 since 12/18/2024, largest first.

Filer % of Class Filed
Under 5%, checked the "5 percent or less" box, or amended by a later filing (3)
Vanguard Group Inc 13G/A 4.5% 7/29/2025
Event 6/30/2025
CVI Investments, Inc. 13G/A
4.3% 2/7/2025
Event 12/31/2024
BlackRock, Inc. 13G/A 1.6% 7/16/2025
Event 6/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2025 Q4 70 22.0 M $12.9 M
2025 Q3 75 19.5 M $16.9 M
2025 Q2 89 21.4 M $17.7 M
2025 Q1 89 28.4 M $19.1 M
2024 Q4 91 29.9 M $28.2 M
2024 Q3 94 27.5 M $41.7 M
2024 Q2 86 26.7 M $31.8 M
2024 Q1 76 20.8 M $37.4 M
2023 Q4 56 16.1 M $14.2 M
2023 Q3 62 16.2 M $11.9 M
2023 Q2 58 16.0 M $20.1 M
2023 Q1 52 16.4 M $11.9 M
2022 Q4 63 18.4 M $9.75 M
2022 Q3 68 19.0 M $15.8 M
2022 Q2 82 23.3 M $25.4 M
2022 Q1 95 35.9 M $45.5 M
2021 Q4 114 39.5 M $64.2 M
2021 Q3 113 31.1 M $102 M
2021 Q2 113 35.7 M $226 M
2021 Q1 70 10.8 M $22.8 M
2020 Q4 29 1.69 M $1.61 M
2020 Q3 29 739 k $1.79 M
2020 Q2 18 312 k $1.18 M
2020 Q1 12 242 k $322 k
2019 Q4 17 391 k $612 k
2019 Q3 17 262 k $513 k
2019 Q2 16 255 k $649 k
2019 Q1 15 308 k $765 k
2018 Q4 20 798 k $814 k
2018 Q3 18 568 k $991 k
2018 Q2 16 536 k $1.18 M