ATOSSA THERAPEUTICS INC (ATOS) Institutional Ownership and Insiders Activity
ATOSSA THERAPEUTICS INC (ATOS) is widely held by institutional investors, with 31 firms reporting positions valued at approximately $2.60M based on SEC Form 13F filings for the quarter ended June 30, 2026.
Vanguard Capital Management Llc is the largest disclosed holder, reporting approximately $698,172 in ATOS holdings in its latest filing.
Institutional Holders
31
Total Reported Value
$2.60M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$698,172
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
64
Funds Exiting Positions
0
Top Institutional Owners
View allInvestorReported Balance
- Vanguard Capital Management Llc$698,172
- Ameriprise Financial Inc$498,392
- Blackrock, Inc.$317,211
- Renaissance Technologies LLC$254,843
- Geode Capital Management, Llc$178,343
Related ATOS Institutional Insights:
- ATOS 13F Institutional Holders
- ATOS Superinvestors
- ATOS Institutional Ownership Changes
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- ATOS Insider Trading & SEC Form 4 Activity
- ATOS Articles
- Top Institutional Investor Stock Rankings