Cytosorbents Corp - CTSO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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