CYTOSORBENTS CORP CTSO

US Healthcare Surgical & Medical Instruments & Apparatus
$0.39
-0.3%
52w: $0.36 – $1.29

Latest 13F among current holders filed 1 month ago (May 18, 2026)

Price — last 12 months

research preview data
0.360.831.29
Jun 20, 2025 Jul 2, 2026
Institutional holders
50
-1 QoQ
13F value
$9.3M
-13.5% QoQ
Smart-money holders
4
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
calls only
$37K calls / $0 puts

Institutional value by quarter

$24.5M
Q1 2024
$11.8M
Q2 2024
$24.7M
Q3 2024
$14.1M
Q4 2024
$16.9M
Q1 2025
$20.7M
Q2 2025
$15.3M
Q3 2025
$10.8M
Q4 2025
$9.3M
Q1 2026

Number of holders

51
Q1 2024
51
Q2 2024
54
Q3 2024
52
Q4 2024
50
Q1 2025
46
Q2 2025
49
Q3 2025
51
Q4 2025
50
Q1 2026

Who owns CTSO?

Q1 2026 filings
FundTypeSharesValue% of fundChange
AVENIR CORP ★2Fundamental diversified5.2M$3.0M0.4%-0.3%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical1.9M$1.1M0.0%
Skylands Capital, LLC ★2Fundamental diversified1.7M$967K0.1%-7.9%
NEUBERGER BERMAN GROUP LLC Diversified mechanical1.7M$951K0.0%+3.5%
CM Management, LLC ★2Fundamental diversified1.5M$836K0.7%Held
BlackRock, Inc. Index provider783.0K$443K0.0%+1.6%
GEODE CAPITAL MANAGEMENT, LLC Index provider707.3K$401K0.0%+17.1%
Sargent Investment Group, LLC Other549.9K$311K0.0%-10.1%
Pathstone Holdings, LLC Diversified mechanical500.0K$283K0.0%Held
VANGUARD FIDUCIARY TRUST CO Diversified mechanical313.9K$178K0.0%
CIBC Bancorp USA Inc. Diversified mechanical172.6K$98K0.0%
STATE STREET CORP Index provider159.3K$90K0.0%Held
OSAIC HOLDINGS, INC. Wealth advisor130.4K$74K0.0%Held
UBS Group AG Bank broker115.2K$65K0.0%-0.1%
RAYMOND JAMES FINANCIAL INC Bank broker107.8K$61K0.0%-0.9%
NWF Advisory Services Inc. Other104.1K$59K0.0%Held
RENAISSANCE TECHNOLOGIES LLC Quant stat arb100.7K$57K0.0%+0.6%
MORGAN STANLEY Bank broker100.2K$57K0.0%-14.0%
NORTHERN TRUST CORP Index provider92.5K$52K0.0%Held
Key Client Fiduciary Advisors, LLC Wealth advisor78.5K$44K0.0%Held
Waverly Advisors, LLC Wealth advisor55.6K$31K0.0%Held
STIFEL FINANCIAL CORP Diversified mechanical48.0K$27K0.0%Held
GOLDMAN SACHS GROUP INC Bank broker43.9K$25K0.0%+22.2%
BANK OF AMERICA CORP /DE/ Bank broker39.1K$22K0.0%+1.1%
XTX Topco Ltd Market maker35.6K$20K0.0%+19.8%
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker29.9K$17K0.0%-64.1%
Kestra Advisory Services, LLC Wealth advisor28.2K$16K0.0%+9.7%
EP Wealth Advisors, LLC Wealth advisor28.0K$16K0.0%Held
RITHOLTZ WEALTH MANAGEMENT Wealth advisor27.4K$16K0.0%New
LPL Financial LLC Bank broker23.2K$13K0.0%+0.5%
Creative Planning Wealth advisor21.3K$12K0.0%Held
Seelaus Asset Management LLC Other16.3K$9K0.0%-5.8%
Merit Financial Group, LLC Wealth advisor15.3K$9K0.0%Held
FIRST NATIONAL BANK OF OMAHA Other15.2K$9K0.0%Held
Vanguard Global Advisers, LLC Diversified mechanical13.9K$8K0.0%
HRT FINANCIAL LP Diversified mechanical14.1K$7K0.0%New
Texas Capital Bank Wealth Management Services Inc Wealth advisor11.0K$6K0.0%Held
CITADEL ADVISORS LLC Multistrat pod10.8K$6K0.0%-92.8%
MARATHON CAPITAL MANAGEMENT ★2Fundamental diversified10.0K$6K0.0%New
FIFTH THIRD BANCORP Diversified mechanical3.1K$2K0.0%New
Rockefeller Capital Management L.P. Diversified mechanical1.9K$1K0.0%-27.5%
JPMORGAN CHASE & CO Bank broker372$2080.0%Held
Your Advocates Ltd., LLP Wealth advisor250$1430.0%Held
WELLS FARGO & COMPANY/MN Bank broker250$1420.0%-65.8%
MAI Capital Management Wealth advisor233$1320.0%Held
JONES FINANCIAL COMPANIES LLLP Wealth advisor93$550.0%Held
PNC FINANCIAL SERVICES GROUP, INC. Diversified mechanical31$180.0%Held
BNP PARIBAS FINANCIAL MARKETS Bank broker17$100.0%-15.0%
Farther Finance Advisors, LLC Wealth advisor6$30.0%New
SBI Securities Co., Ltd. Diversified mechanical1$10.0%New

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