Institutional Ownership
Cytosorbents Corp
CUSIP 23283X206COM NEWCTSOQ1 2026
13D / 13G Filings
26
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
11.0%
Max % of class reported
Institutional Holders
47
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
26 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Avenir Corp | 13G/A | 8.3% | 5.23M | SEC |
| 2 | May 28, 2025 | Avenue Venture Opportunities Fund, L.P. | 13G | 5.7% | 3.76M | SEC |
| 3 | Apr 30, 2025 | The Vanguard Group | 13G/A | 3.1% | 1.95M | SEC |
| 4 | Apr 17, 2025 | Skylands Capital, LLC | 13G | 4.8% | 3.00M | SEC |
| 5 | Feb 14, 2025 | Avenir Corp | 13G/A | 5.7% | 3.09M | SEC |
| 6 | Jan 31, 2025 | The Vanguard Group | 13G | 7.1% | 3.90M | SEC |
| 7 | Jan 17, 2025 | Thomas A. Satterfield, Jr. | 13G | 11.0% | 4.00M | SEC |
| 8 | Jan 7, 2025 | Skylands Capital, LLC | 13G | 5.1% | 2.78M | SEC |
| 9 | Nov 14, 2024 | Granahan Investment Management, LLC | 13G/A | 3.9% | 2.09M | SEC |
| 10 | Feb 14, 2024 | Granahan Investment Management, LLC | 13G | 6.9% | 3.62M | SEC |
16 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Cytosorbents Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Avenir Corp | 5.22M | $2.95M |
| 2 | Skylands Capital, LLC | 1.71M | $967.0K |
| 3 | Neuberger Berman Group LLC | 1.68M | $950.8K |
| 4 | Cm Management, LLC | 1.48M | $836.1K |
| 5 | Blackrock, Inc. | 783.0K | $443.4K |
| 6 | Geode Capital Management, LLC | 707.3K | $400.6K |
| 7 | Sargent Investment Group, LLC | 549.9K | $311.4K |
| 8 | Pathstone Holdings, LLC | 500.0K | $283.1K |
| 9 | Cibc Bancorp USA Inc. | 172.6K | $97.8K |
| 10 | State Street Corp | 159.3K | $90.2K |