Cytosorbents Corp - CTSO
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AVENIR CORP | History | Added to | 5,230,099 | 3,343 | 0.36% | 0.49% | 1 | +147,261 | 2.9% | Q4 2025 | Feb 13, 2026 |
| VANGUARD GROUP INC | History | No change | 2,204,294 | 1,408 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| Skylands Capital, LLC | History | Reduced | 1,854,515 | 1,185 | 0.16% | 0.27% | 3 | -272,750 | -12.82% | Q4 2025 | Jan 30, 2026 |
| Neuberger Berman Group LLC | History | Added to | 1,625,640 | 1,039 | 0.0% | 0.0% | 4 | +27,642 | 1.73% | Q4 2025 | Feb 13, 2026 |
| CM Management, LLC | History | Added to | 1,476,500 | 943 | 0.8% | 1.0% | 5 | +188,372 | 14.62% | Q4 2025 | Feb 02, 2026 |
| BlackRock, Inc. | History | Added to | 770,551 | 492 | 0.0% | 0.0% | 6 | +5,742 | 0.75% | Q4 2025 | Feb 12, 2026 |
| Sargent Investment Group, LLC | History | Reduced | 612,000 | 391 | 0.05% | 0.1% | 7 | -126,700 | -17.15% | Q4 2025 | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 603,767 | 386 | 0.0% | 0.0% | 8 | +2,316 | 0.39% | Q4 2025 | Feb 09, 2026 |
| Pathstone Holdings, LLC | History | New | 499,955 | 319 | 0.0% | — | 9 | +499,955 | New | Q4 2025 | Feb 13, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 172,649 | 110 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| STATE STREET CORP | History | No change | 159,293 | 101 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 149,279 | 95 | 0.0% | 0.0% | 13 | +83,589 | 127.25% | Q4 2025 | Feb 17, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 148,374 | 95 | 0.01% | 0.01% | 12 | +36,157 | 32.22% | Q4 2025 | Feb 06, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 130,419 | 83 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 116,480 | 74 | 0.0% | 0.0% | 15 | +9,224 | 8.6% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Added to | 115,272 | 73 | 0.0% | 0.0% | 16 | +69 | 0.06% | Q4 2025 | Jan 29, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 108,702 | 69 | 0.0% | 0.0% | 17 | -19 | -0.02% | Q4 2025 | Feb 18, 2026 |
| NWF Advisory Services Inc. | History | No change | 104,139 | 66 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q4 2025 | Mar 03, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 100,120 | 63 | 0.0% | 0.0% | 19 | -34,685 | -25.73% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Added to | 92,540 | 59 | 0.0% | 0.0% | 20 | +980 | 1.07% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 83,363 | 53 | 0.0% | 0.0% | 21 | -14,858 | -15.13% | Q4 2025 | Feb 17, 2026 |
| Key Client Fiduciary Advisors, LLC | History | No change | 78,457 | 50 | 0.02% | 0.02% | 22 | 0 | 0.0% | Q4 2025 | Jan 28, 2026 |
| Waverly Advisors, LLC | History | No change | 55,556 | 35 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| STIFEL FINANCIAL CORP | History | No change | 48,000 | 30 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 38,706 | 24 | 0.0% | 0.0% | 25 | +3 | 0.01% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 35,952 | 22 | 0.0% | 0.0% | 26 | -24,600 | -40.63% | Q4 2025 | Mar 25, 2026 |
| XTX Topco Ltd | History | New | 29,682 | 18 | 0.0% | — | 27 | +29,682 | New | Q4 2025 | Feb 17, 2026 |
| EP Wealth Advisors, LLC | History | New | 28,000 | 17 | 0.0% | — | 28 | +28,000 | New | Q4 2025 | Feb 18, 2026 |
| Compound Planning, Inc. | History | No change | 27,443 | 17 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q4 2025 | Feb 19, 2026 |
| Kestra Advisory Services, LLC | History | Reduced | 25,700 | 16 | 0.0% | 0.0% | 30 | -38,828 | -60.17% | Q4 2025 | Feb 13, 2026 |
| LPL Financial LLC | History | Added to | 23,066 | 14 | 0.0% | 0.0% | 31 | +8,160 | 54.74% | Q4 2025 | Feb 11, 2026 |
| Creative Planning | History | Reduced | 21,295 | 13 | 0.0% | 0.0% | 32 | -160 | -0.75% | Q4 2025 | Feb 17, 2026 |
| Seelaus Asset Management LLC | History | No change | 17,300 | 11 | 0.01% | 0.01% | 33 | 0 | 0.0% | Q4 2025 | Feb 04, 2026 |
| FIRST NATIONAL BANK OF OMAHA | History | New | 15,225 | 9 | 0.0% | — | 34 | +15,225 | New | Q4 2025 | Feb 13, 2026 |
| Merit Financial Group, LLC | History | No change | 15,297 | 9 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q4 2025 | Jan 26, 2026 |
| Texas Capital Bank Wealth Management Services Inc | History | New | 11,000 | 7 | 0.0% | — | 37 | +11,000 | New | Q4 2025 | Feb 09, 2026 |
| Virtu Financial LLC | History | New | 10,780 | 7 | 0.0% | — | 36 | +10,780 | New | Q4 2025 | Feb 23, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 10,205 | 6 | 0.0% | — | 38 | +10,205 | New | Q4 2025 | Feb 17, 2026 |
| COMERICA BANK | History | Added to | 4,376 | 2 | 0.0% | 0.0% | 39 | +819 | 23.03% | Q4 2025 | Jan 29, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 2,170 | 1 | 0.0% | 0.0% | 40 | -3,437 | -61.3% | Q4 2025 | Feb 17, 2026 |
| Global Retirement Partners, LLC | History | New | 2,265 | 1 | 0.0% | — | 42 | +2,265 | New | Q4 2025 | Feb 06, 2026 |
| Rockefeller Capital Management L.P. | History | Added to | 2,566 | 1 | 0.0% | — | 41 | +1,566 | 156.6% | Q4 2025 | Mar 16, 2026 |
| SEI INVESTMENTS CO | History | Closed out | 0 | 0 | — | 0.0% | — | -17,734 | -100.0% | Q3 2025 | Nov 13, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,737 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Chicago Partners Investment Group LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,209 | -100.0% | Q3 2025 | Oct 30, 2025 |
| Centiva Capital, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -10,737 | -100.0% | Q3 2025 | Nov 14, 2025 |
| JONES FINANCIAL COMPANIES LLLP | History | Reduced | 93 | 0 | — | — | — | -500 | -84.32% | Q4 2025 | Feb 17, 2026 |
| FMR LLC | History | New | 384 | 0 | — | — | — | +384 | New | Q4 2025 | Feb 17, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Nov 05, 2025 |
| JPMORGAN CHASE & CO | History | No change | 372 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 730 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 31 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| MAI Capital Management | History | No change | 233 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Your Advocates Ltd., LLP | History | No change | 250 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 02, 2026 |