Cytosorbents Corp - CTSO
Detailed investor-level table based on 13F positions.
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 | Reduced | 5,215,776 | 2,953 | 0.36% | 0.36% | 1 | -14,323 | -0.27% | Q1 2026 | May 14, 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 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,879,989 | 1,064 | 0.0% | — | 3 | +1,879,989 | New | Q1 2026 | May 15, 2026 |
| Skylands Capital, LLC | History | Reduced | 1,707,498 | 966 | 0.13% | 0.16% | 4 | -147,017 | -7.93% | Q1 2026 | Apr 22, 2026 |
| Neuberger Berman Group LLC | History | Added to | 1,683,007 | 950 | 0.0% | 0.0% | 5 | +57,367 | 3.53% | Q1 2026 | May 14, 2026 |
| CM Management, LLC | History | No change | 1,476,500 | 836 | 0.7% | 0.8% | 6 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| BlackRock, Inc. | History | Added to | 782,992 | 443 | 0.0% | 0.0% | 7 | +12,441 | 1.61% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 707,262 | 400 | 0.0% | 0.0% | 8 | +103,495 | 17.14% | Q1 2026 | May 15, 2026 |
| Sargent Investment Group, LLC | History | Reduced | 549,900 | 311 | 0.04% | 0.05% | 9 | -62,100 | -10.15% | Q1 2026 | May 11, 2026 |
| Pathstone Holdings, LLC | History | No change | 499,955 | 283 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 313,856 | 177 | 0.0% | — | 11 | +313,856 | New | Q1 2026 | May 08, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 172,649 | 110 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| CIBC Bancorp USA Inc. | History | New | 172,649 | 97 | 0.0% | — | 13 | +172,649 | New | Q1 2026 | May 12, 2026 |
| STATE STREET CORP | History | No change | 159,293 | 90 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 130,419 | 74 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Reduced | 115,200 | 65 | 0.0% | 0.0% | 16 | -72 | -0.06% | Q1 2026 | May 05, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Reduced | 107,751 | 61 | 0.0% | 0.0% | 17 | -951 | -0.87% | Q1 2026 | May 14, 2026 |
| NWF Advisory Services Inc. | History | No change | 104,139 | 58 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 100,720 | 57 | 0.0% | 0.0% | 19 | +600 | 0.6% | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | Reduced | 100,169 | 56 | 0.0% | 0.0% | 20 | -16,311 | -14.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | No change | 92,540 | 52 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Key Client Fiduciary Advisors, LLC | History | No change | 78,457 | 44 | 0.01% | 0.02% | 22 | 0 | 0.0% | Q1 2026 | Apr 09, 2026 |
| Waverly Advisors, LLC | History | No change | 55,556 | 31 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| STIFEL FINANCIAL CORP | History | No change | 48,000 | 27 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 43,947 | 24 | 0.0% | 0.0% | 25 | +7,995 | 22.24% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 39,123 | 22 | 0.0% | 0.0% | 26 | +417 | 1.08% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | Added to | 35,570 | 20 | 0.0% | 0.0% | 27 | +5,888 | 19.84% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 29,945 | 16 | 0.0% | 0.0% | 28 | -53,418 | -64.08% | Q1 2026 | May 15, 2026 |
| RITHOLTZ WEALTH MANAGEMENT | History | New | 27,443 | 15 | 0.0% | — | 31 | +27,443 | New | Q1 2026 | Apr 20, 2026 |
| Kestra Advisory Services, LLC | History | Added to | 28,200 | 15 | 0.0% | 0.0% | 30 | +2,500 | 9.73% | Q1 2026 | Apr 30, 2026 |
| EP Wealth Advisors, LLC | History | No change | 28,000 | 15 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| LPL Financial LLC | History | Added to | 23,185 | 13 | 0.0% | 0.0% | 32 | +119 | 0.52% | Q1 2026 | May 06, 2026 |
| Creative Planning | History | No change | 21,295 | 12 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| Seelaus Asset Management LLC | History | Reduced | 16,300 | 9 | 0.01% | 0.01% | 34 | -1,000 | -5.78% | Q1 2026 | Apr 29, 2026 |
| FIRST NATIONAL BANK OF OMAHA | History | No change | 15,225 | 8 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Merit Financial Group, LLC | History | No change | 15,297 | 8 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| HRT FINANCIAL LP | History | New | 14,113 | 7 | 0.0% | — | 37 | +14,113 | New | Q1 2026 | May 14, 2026 |
| Vanguard Global Advisers, LLC | History | New | 13,865 | 7 | 0.0% | — | 38 | +13,865 | New | Q1 2026 | May 08, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 10,799 | 6 | 0.0% | 0.0% | 39 | -138,480 | -92.77% | Q1 2026 | May 15, 2026 |
| Texas Capital Bank Wealth Management Services Inc | History | No change | 11,000 | 6 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| MARATHON CAPITAL MANAGEMENT | History | New | 10,000 | 5 | 0.0% | — | 41 | +10,000 | New | Q1 2026 | May 13, 2026 |
| COMERICA BANK | History | No change | 4,376 | 2 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| FIFTH THIRD BANCORP | History | New | 3,082 | 1 | 0.0% | — | 45 | +3,082 | New | Q1 2026 | May 01, 2026 |
| Rockefeller Capital Management L.P. | History | Reduced | 1,861 | 1 | 0.0% | 0.0% | 43 | -705 | -27.47% | Q1 2026 | May 14, 2026 |
| Global Retirement Partners, LLC | History | No change | 2,265 | 1 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.01% | — | -148,374 | -100.0% | Q1 2026 | May 08, 2026 |
| Compound Planning, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -27,443 | -100.0% | Q1 2026 | May 14, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,780 | -100.0% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,205 | -100.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -2,170 | -100.0% | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 250 | 0 | — | — | — | -480 | -65.75% | Q1 2026 | May 11, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | — | — | -384 | -100.0% | Q1 2026 | May 15, 2026 |
| Medallion Wealth Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -45 | -100.0% | Q1 2026 | Apr 24, 2026 |
| Farther Finance Advisors, LLC | History | New | 6 | 0 | — | — | — | +6 | New | Q1 2026 | Apr 07, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 17 | 0 | — | — | — | -3 | -15.0% | Q1 2026 | May 12, 2026 |
| SBI Securities Co., Ltd. | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | Apr 27, 2026 |
| JPMORGAN CHASE & CO | History | No change | 372 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 31 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 93 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | No change | 233 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Your Advocates Ltd., LLP | History | No change | 250 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |