Cytosorbents Corp
CTSO- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001175151
In the last 90 days, Cytosorbents Corp insiders filed 4 open-market purchases and 0 sales; 50 institutions reported holding it in 13F filings for Q2 2026, worth $6.04M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Cytosorbents Corp changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 49 | 1 | 51 | +3 |
| Shares | 16.3M | 15.2K | 16.9M | +543.3K (+3.3%) |
| Value | $15.3M | $14.1K | $10.8M | −$4.46M (−29.3%) |
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (9)
Institutions that held Cytosorbents Corp at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Pathstone Holdings, LLC | 499,955 | $319.6K | 0.00% |
| XTX Topco Ltd | 29,682 | $19.0K | 0.00% |
| EP Wealth Advisors, LLC | 28,000 | $17.9K | 0.00% |
| First National Bank of Omaha | 15,225 | $9.78K | 0.00% |
| Texas Capital Bank Wealth Management Services Inc | 11,000 | $7.03K | 0.00% |
| Virtu Financial LLC | 10,780 | $7.00K | 0.00% |
| Millennium Management LLC | 10,205 | $6.52K | 0.00% |
| Global Retirement Partners, LLC | 2,265 | $1.45K | 0.00% |
| FMR LLC | 384 | $245 | 0.00% |
Sold out (6)
Institutions that held Cytosorbents Corp at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| SEI Investments Co | 17,734 | $16.6K |
| Two Sigma Securities, LLC | 15,737 | $14.7K |
| Chicago Partners Investment Group LLC | 14,209 | $11.9K |
| Centiva Capital, LP | 10,737 | $10.0K |
| Royal Bank of Canada | 1,100 | $1.00K |
| SBI Securities Co., Ltd. | 1 | $1 |
Not filed for Q4 2025 yet (1)
Institutions that held Cytosorbents Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Country Club Bank | 15,225 | $14.1K |