DOSSIER · 13F Holders · Q2 2026
CTSO

CYTOSORBENTS CORP

52 institutions still hold CYTOSORBENTS CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 23283X206·52 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$6M
visible holders
Holders
52
filers reporting
Concentration
32.89%
AVENIR CORP #1
top holder share
AI Holders Summary · Q2 2026

52 institutions reported CTSO in Q2 2026. AVENIR CORP leads at 32.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
AVENIR CORP
CIK 0001033475
$2M5.2M0.24%Q2 2026
02
Neuberger Berman Group LLC
CIK 0001465109
$741K2.0M0.00%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$716K1.9M0.00%Q2 2026
04
CM Management, LLC
CIK 0001841857
$552K1.5M0.35%Q2 2026
05
Skylands Capital, LLC
CIK 0001299910
$453K1.2M0.06%Q2 2026
06
BlackRock, Inc.
CIK 0002012383
$235K627K0.00%Q2 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$225K602K0.00%Q2 2026
08
Sargent Investment Group, LLC
CIK 0001766157
$208K556K0.03%Q2 2026
09
Pathstone Holdings, LLC
CIK 0002011612
$187K500K0.00%Q2 2026
10
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$118K316K0.00%Q2 2026
11
CIBC Private Wealth Group LLC
CIK 0001298088
$110K173K0.00%Q4 2025
12
CIBC Bancorp USA Inc.
CIK 0001711924
$65K173K0.00%Q2 2026
13
STATE STREET CORP
CIK 0000093751
$60K159K0.00%Q2 2026
14
OSAIC HOLDINGS, INC.
CIK 0001677044
$50K135K0.00%Q2 2026
15
UBS Group AG
CIK 0001610520
$49K131K0.00%Q2 2026
16
NORTHERN TRUST CORP
CIK 0000073124· Index
$42K112K0.00%Q2 2026
17
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$40K108K0.00%Q2 2026
18
NWF Advisory Services Inc.
CIK 0002045735
$39K104K0.00%Q2 2026
19
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$37K100K0.00%Q2 2026
20
MORGAN STANLEY
CIK 0000895421
$34K91K0.00%Q2 2026
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Insiders at CYTOSORBENTS CORP
Chan Phillip P.Mariani Peter JJones Edward RaymondBator Michael G.Kim JinyCapponi VincentDeliargyris EfthymiosSobel Alan D.