CYTOSORBENTS CORP (CTSO) Institutional Ownership and Insiders Activity
CYTOSORBENTS CORP (CTSO) is widely held by institutional investors, with 40 firms reporting positions valued at approximately $5.59M based on SEC Form 13F filings for the quarter ended June 30, 2026.
Avenir Corp is the largest disclosed holder, reporting approximately $1.94M in CTSO holdings in its latest filing.
Recent insider activity includes 7 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
40
Total Reported Value
$5.59M
Largest Holder
Avenir Corp
Largest Position
$1.94M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
10
Funds Exiting Positions
8
Top Institutional Owners
View allInvestorReported Balance
- Avenir Corp$1.94M
- Neuberger Berman Group Llc$740,516
- Vanguard Capital Management Llc$715,860
- Cm Management, Llc$552,211
- Pathstone Holdings, Llc$283,124
Related CTSO Institutional Insights:
- CTSO 13F Institutional Holders
- CTSO Superinvestors
- CTSO 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
- CTSO Insider Trading & SEC Form 4 Activity
- CTSO Articles
- Top Institutional Investor Stock Rankings