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Cytosorbents Corp

CTSO
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001175151

In the last 90 days, Cytosorbents Corp insiders filed 4 open-market purchases and 0 sales; 50 institutions reported holding it in 13F filings for Q2 2026, worth $6.04M in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in Cytosorbents Corp as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
50
−4 vs. Q4 2023
Shares held
17.6M
−479.9K (−2.7%) vs. Q4 2023
Total value
$16.7M
−$3.35M (−16.7%) vs. Q4 2023
New holders
2
14 more added
Sold out
6
16 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CTSO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 50 institutions
Q1 2021: 96 institutionsQ2 2021: 102 institutionsQ3 2021: 96 institutionsQ4 2021: 91 institutionsQ1 2022: 88 institutionsQ2 2022: 78 institutionsQ3 2022: 60 institutionsQ4 2022: 53 institutionsQ1 2023: 59 institutionsQ2 2023: 58 institutionsQ3 2023: 53 institutionsQ4 2023: 54 institutionsQ1 2024: 50 institutionsQ2 2024: 50 institutionsQ3 2024: 53 institutionsQ4 2024: 51 institutionsQ1 2025: 49 institutionsQ2 2025: 45 institutionsQ3 2025: 49 institutionsQ4 2025: 51 institutionsQ1 2026: 50 institutionsQ2 2026: 50 institutions
Value heldQ1 2024: $16.7M
Q1 2021: $151.6MQ2 2021: $132.4MQ3 2021: $149.2MQ4 2021: $74.6MQ1 2022: $57.3MQ2 2022: $33.9MQ3 2022: $20.7MQ4 2022: $22.7MQ1 2023: $51.3MQ2 2023: $54.7MQ3 2023: $28.7MQ4 2023: $20.0MQ1 2024: $16.7MQ2 2024: $11.8MQ3 2024: $24.7MQ4 2024: $14.1MQ1 2025: $16.9MQ2 2025: $20.7MQ3 2025: $15.3MQ4 2025: $10.8MQ1 2026: $9.32MQ2 2026: $6.04M
Institutions holding CTSO and their total value by quarter
QuarterHoldersValue
Q2 202650$6.04M
Q1 202650$9.32M
Q4 202551$10.8M
Q3 202549$15.3M
Q2 202545$20.7M
Q1 202549$16.9M
Q4 202451$14.1M
Q3 202453$24.7M
Q2 202450$11.8M
Q1 202450$16.7M
Q4 202354$20.0M
Q3 202353$28.7M
Q2 202358$54.7M
Q1 202359$51.3M
Q4 202253$22.7M
Q3 202260$20.7M
Q2 202278$33.9M
Q1 202288$57.3M
Q4 202191$74.6M
Q3 202196$149.2M
Q2 2021102$132.4M
Q1 202196$151.6M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q4 2023.

Institutions holding CTSO in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Avenir Corp3,172,696$3.01M0.26%+121,294+4.0%Added
Granahan Investment Management Inc3,044,833$2.89M0.10%−573,310−15.8%Reduced
Skylands Capital, LLC2,875,552$2.73M0.38%−378,661−11.6%Reduced
Vanguard Group Inc1,949,551$1.85M0.00%00.0%Unchanged
Neuberger Berman Group LLC1,912,566$1.81M0.00%+110,767+6.1%Added
Sargent Investment Group, LLC1,366,319$1.30M0.28%+57,572+4.4%Added
CM Management, LLC825,000$783.8K0.66%+410,000+98.8%Added
BlackRock Inc.722,435$686.3K0.00%−3,885−0.5%Reduced
Geode Capital Management, LLC438,297$416.5K0.00%+73,377+20.1%Added
CIBC Private Wealth Group, LLC172,649$156.9K0.00%00.0%Unchanged
State Street Corp140,293$133.3K0.00%−10,800−7.1%Reduced
Morgan Stanley116,385$110.6K0.00%−3,593−3.0%Reduced
Advisor Group Holdings, Inc.113,810$108.1K0.00%+1,100+1.0%Added
Renaissance Technologies LLC79,620$76.0K0.00%−95,700−54.6%Reduced
Northern Trust Corp75,013$71.3K0.00%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.60,591$57.6K0.00%00.0%Unchanged
NWF Advisory Services Inc.56,800$54.0K0.01%+2,100+3.8%Added
Raymond James & Associates50,000$47.5K0.00%00.0%Unchanged
Jane Street Group, LLC46,655$44.3K0.00%+46,655New
Stifel Financial Corp45,000$42.8K0.00%00.0%Unchanged
Bank of America Corp36,898$35.1K0.00%−29,882−44.7%Reduced
Millennium Management LLC35,843$34.1K0.00%−9,285−20.6%Reduced
Key Client Fiduciary Advisors, LLC34,557$32.8K0.02%+22,557+188.0%Added
Chicago Partners Investment Group LLC30,667$27.0K0.00%−169−0.5%Reduced
Texas Capital Bank Wealth Management Services Inc23,166$22.0K0.00%−7,500−24.5%Reduced
Creative Planning21,295$20.2K0.00%00.0%Unchanged
Johnson Investment Counsel Inc19,387$18.4K0.00%−584−2.9%Reduced
Seelaus Asset Management LLC18,950$18.0K0.02%00.0%Unchanged
Susquehanna International Group, LLP16,198$15.4K0.00%+16,198New
Country Club Bank15,225$14.5K0.00%00.0%Unchanged
Resources Investment Advisors, LLC.15,000$14.3K0.00%00.0%Unchanged
SEI Investments Co14,471$13.8K0.00%+4,070+39.1%Added
Regal Investment Advisors LLC11,509$10.9K0.00%−34,315−74.9%Reduced
Bradley Foster & Sargent Inc10,000$9.50K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)8,024$7.62K0.00%+1,869+30.4%Added
Bank of New York Mellon Corp3,640$3.46K0.00%−18,787−83.8%Reduced
Hexagon Capital Partners LLC3,333$3.17K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.2,222$2.11K0.00%00.0%Unchanged
Lazard Asset Management LLC1,090$1.00K0.00%+152+16.2%Added
Comerica Bank837$7950.00%+318+61.3%Added
Wells Fargo & Company796$7570.00%+255+47.1%Added
JPMorgan Chase & Co372$3530.00%00.0%Unchanged
Your Advocates Ltd., LLP250$2380.00%00.0%Unchanged
UBS Group AG57$540.00%−2,904−98.1%Reduced
Allworth Financial LP37$360.00%00.0%Unchanged
The PNC Financial Services Group, Inc.31$290.00%−5−13.9%Reduced
BNP Paribas Arbitrage, SA3$30.00%00.0%Unchanged
Qube Research & Technologies Ltd1$10.00%00.0%Unchanged
Simplex Trading, LLC620$00.00%−839−57.5%Reduced
Royal Bank of Canada93$00.00%+14+17.7%Added
Ledgewood Wealth Advisors, LLC0$00.00%−73,000−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−56,570−100.0%Sold out
Virtu Financial LLC0$00.00%−20,215−100.0%Sold out
Charles Schwab Investment Management Inc0$00.00%−15,994−100.0%Sold out
US Bancorp0$00.00%−10,000−100.0%Sold out
Advisory Services Network, LLC0$00.00%−2,200−100.0%Sold out