CytosorbentsCTSO
13F holders, Q2 2026 (June 30)50holders
6new positions
7sold out
1famous investor
$0.37avg. 13F price*
At the end of Q2 2026, 50 institutions reported holding Cytosorbents Corp. (CTSO) in their 13F filings, unchanged from Q1 2026. 6 opened new positions and 7 sold out. The largest holders were Avenir Corp. ($1.9M), Neuberger Berman Group LLC ($741K) and Vanguard Capital Management LLC ($716K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Cytosorbents Corp.
- CUSIP
- 23283X206
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $62K |
| Exits | 7 | $61K |
All 13F filers, Q1 2026 → Q2 2026: 596,384 shares bought and 932,840 shares sold, net −336,456 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 50 holders
| Avenir Corp. | 0.24% | Reduce -0.5% | 5,189,218 | $1.9M |
| Neuberger Berman Group LLC | 0.00% | Add +17.0% | 1,968,691 | $741K |
| Vanguard Capital Management LLC | 0.00% | Add +1.8% | 1,914,063 | $716K |
| CM Management, LLC | 0.35% | No change | 1,476,500 | $552K |
| Skylands Capital, LLC | 0.06% | Reduce -29.1% | 1,211,400 | $453K |
| BlackRock, Inc. | 0.00% | Reduce -19.9% | 627,211 | $235K |
| Geode Capital Management, LLC | 0.00% | Reduce -14.9% | 602,059 | $225K |
| Sargent Investment Group, LLC | 0.03% | Add +1.1% | 555,757 | $208K |
| Pathstone Holdings, LLC | 0.00% | Reduce -0.0% | 499,910 | $187K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +0.7% | 316,167 | $118K |
| CIBC Bancorp USA Inc. | 0.00% | No change | 172,649 | $65K |
| State Street Corp. | 0.00% | No change | 159,293 | $60K |
| Osaic Holdings, Inc. | 0.00% | Add +3.4% | 134,839 | $50K |
| UBS Group AG | 0.00% | Add +13.7% | 131,019 | $49K |
| Northern Trust Corp. | 0.00% | Add +20.7% | 111,660 | $42K |
| Raymond James Financial Inc. | 0.00% | Reduce -0.1% | 107,611 | $40K |
| NWF Advisory Services Inc. | 0.00% | No change | 104,139 | $39K |
| Renaissance Technologies | 0.00% | Reduce -0.7% | 100,020 | $37K |
| Morgan Stanley | 0.00% | Reduce -8.8% | 91,338 | $34K |
| Key Client Fiduciary Advisors, LLC | 0.01% | No change | 78,457 | $29K |
| Virtu Financial LLC | 0.00% | New | 71,508 | $27K |
| XTX Topco Ltd | 0.00% | Add +52.7% | 54,316 | $20K |
| Jane Street Group, LLC | 0.00% | New | 52,205 | $20K |
| LPL Financial LLC | 0.00% | Add +116.2% | 50,119 | $19K |
| Stifel Financial Corp. | 0.00% | No change | 48,000 | $18K |
| Bank of America Corp. | 0.00% | Reduce -1.1% | 38,686 | $14K |
| HRT Financial LP | 0.00% | Add +127.6% | 32,125 | $12K |
| Kestra Advisory Services, LLC | 0.00% | No change | 28,200 | $11K |
| EP Wealth Advisors, LLC | 0.00% | No change | 28,000 | $10K |
| Ritholtz Wealth Management | 0.00% | No change | 27,443 | $10K |
| Sfmg, LLC | 0.00% | New | 20,000 | $7K |
| Creative Planning | 0.00% | Reduce -11.0% | 18,956 | $7K |
| Seelaus Asset Management LLC | 0.00% | No change | 16,300 | $6K |
| First National Bank of Omaha | 0.00% | No change | 15,225 | $6K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -65.1% | 15,338 | $6K |
| Merit Financial Group, LLC | 0.00% | No change | 15,297 | $6K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 13,865 | $5K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 11,176 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 10,223 | $4K |
| Marathon Capital Management | 0.00% | No change | 10,000 | $4K |
| Fifth Third Bancorp | 0.00% | Add +0.3% | 3,090 | $1K |
| Global Retirement Partners, LLC | 0.00% | — | 2,358 | $882 |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -11.2% | 1,652 | $618 |
| JPMorgan Chase & Co. | 0.00% | No change | 372 | $142 |
| Barclays PLC | 0.00% | New | 287 | $107 |
| Wells Fargo & Company | 0.00% | No change | 250 | $94 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 31 | $12 |
| Farther Finance Advisors, LLC | 0.00% | No change | 6 | $2 |
| BNP Paribas Financial Markets | 0.00% | Reduce -82.3% | 3 | $1 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $0 |
"% of holder's portfolio" is CTSO's weight in each manager's 13F, not the share of Cytosorbents Corp. the manager owns.