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.
Q2 2026 vs. Q1 2026
How the institutions holding Cytosorbents Corp changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Q2 2026 | Change |
|---|---|---|---|
| Holders | 50 | 50 | 0 |
| Shares | 16.5M | 16.1M | −334.1K (−2.0%) |
| Value | $9.32M | $6.04M | −$3.28M (−35.2%) |
New holders (7)
Institutions that held Cytosorbents Corp at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Virtu Financial LLC | 71,508 | $27.0K | 0.00% |
| Jane Street Group, LLC | 52,205 | $19.5K | 0.00% |
| SFMG, LLC | 20,000 | $7.48K | 0.00% |
| Northwestern Mutual Wealth Management Co | 11,176 | $4.18K | 0.00% |
| Tower Research Capital LLC (TRC) | 10,223 | $3.82K | 0.00% |
| Global Retirement Partners, LLC | 2,358 | $882 | 0.00% |
| Barclays PLC | 287 | $107 | 0.00% |
Sold out (7)
Institutions that held Cytosorbents Corp at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| Warren Averett Asset Management, LLC | 55,556 | $31.5K |
| Susquehanna International Group, LLP | 29,945 | $17.0K |
| Texas Capital Bank Wealth Management Services Inc | 11,000 | $6.23K |
| Citadel Advisors LLC | 10,799 | $6.12K |
| Your Advocates Ltd., LLP | 250 | $143 |
| MAI Capital Management | 233 | $132 |
| Jones Financial Companies LLLP | 93 | $55 |