Go Pro
→ Your book attached (From Profits Run) (Ad)tc pixel Free CTSO Stock Alerts

Cytosorbents (CTSO) Institutional Ownership

Cytosorbents logo
$4.05 -0.13 (-3.11%)
Closing price 10/2/2026 03:59 PM Eastern
Extended Trading
$4.01 -0.04 (-1.01%)
As of 10/2/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Cytosorbents (NASDAQ:CTSO)

Current
Institutional Ownership
Percentage
32.87%
Number of
Institutional Buyers
(last 12 months)
6
Total
Institutional Inflows
(last 12 months)
$12.50M
Number of
Institutional Sellers
(last 12 months)
4
Total
Institutional Outflows
(last 12 months)
$16.99M
Get CTSO Insider Trade Alerts

Want to know when executives and insiders are buying or selling Cytosorbents stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

CTSO Institutional Buying and Selling by Quarter

Cytosorbents Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/22/2026Skylands Capital LLC1,707,498$967K0.1%-7.9%2.723%
2/16/2026Sargent Investment Group LLC612,000$391K0.0%-17.2%0.975%
2/13/2026Avenir Corp5,230,099$3.34M0.4%+2.9%8.328%
2/12/2026Renaissance Technologies LLC100,120$64K0.0%-25.7%0.159%
2/2/2026CM Management LLC1,476,500$944K0.8%+14.6%2.351%
1/30/2026Skylands Capital LLC1,854,515$1.19M0.2%-12.8%2.953%
11/21/2025CIBC Bancorp USA Inc.172,649$161K0.0%N/A0.275%
11/17/2025Susquehanna International Group LLP98,221$92K0.0%-25.5%0.156%
11/17/2025Citadel Advisors LLC65,690$61K0.0%+127.3%0.105%
11/13/2025CM Management LLC1,288,128$1.20M1.0%+3.1%2.052%
11/7/2025GSA Capital Partners LLP112,217$105K0.0%N/A0.179%
11/7/2025Vanguard Group Inc.2,204,294$2.06M0.0%+3.7%3.512%
11/6/2025Skylands Capital LLC2,127,265$1.99M0.3%-18.7%3.389%
9/4/2025Osaic Holdings Inc.130,419$167K0.0%-20.4%0.208%
8/15/2025Avenir Corp5,058,537$6.48M0.7%+0.3%8.060%
8/8/2025Geode Capital Management LLC601,451$770K0.0%-2.0%0.961%
6/27/2025Goldman Sachs Group Inc.62,662$63K0.0%+149.2%0.100%
5/16/2025Goldman Sachs Group Inc.62,662$63K0.0%+149.2%0.100%
5/16/2025Granahan Investment Management LLC358,418$358K0.0%-70.2%0.572%
5/14/2025Avenir Corp5,044,918$5.05M0.5%+63.1%8.058%
5/9/2025CM Management LLC954,076$954K0.9%+36.3%1.524%
5/5/2025Sargent Investment Group LLC823,500$824K0.1%-34.1%1.315%
4/25/2025Skylands Capital LLC3,002,702$3.00M0.4%+7.9%4.804%
4/10/2025Key Client Fiduciary Advisors LLC78,457$78K0.0%+127.0%0.126%
2/17/2025Millennium Management LLC33,280$30K0.0%N/A0.061%
2/17/2025Granahan Investment Management LLC1,204,580$1.10M0.0%-42.5%2.203%
2/14/2025Northern Trust Corp91,560$83K0.0%+22.3%0.167%
2/13/2025Avenir Corp3,093,946$2.82M0.3%+4.0%5.658%
2/13/2025Neuberger Berman Group LLC1,681,883$1.53M0.0%-5.6%3.076%
2/13/2025Raymond James Financial Inc.108,621$99K0.0%N/A0.199%
2/13/2025Renaissance Technologies LLC88,020$80K0.0%+10.6%0.161%
2/7/2025CM Management LLC700,000$637K0.6%-12.5%1.280%
2/6/2025Raymond James Financial Inc.108,621$99K0.0%N/A0.199%
2/4/2025Skylands Capital LLC2,781,622$2.53M0.4%+1.0%5.087%
1/27/2025Sargent Investment Group LLC1,248,863$1.14M0.2%-23.2%2.284%
11/16/2024Geode Capital Management LLC467,058$701K0.0%+7.5%0.854%
11/6/2024Sargent Investment Group LLC1,626,247$2.44M0.4%+13.4%2.988%
10/8/2024Atomi Financial Group Inc.34,292$51K0.0%N/A0.063%
8/10/2024Sargent Investment Group LLC1,433,500$1.01M0.2%+4.9%2.640%
8/2/2024CM Management LLC850,000$598K0.5%+3.0%1.565%
A weekly dividend fund holding Nvidia and Palantir (Ad)

CrowdStrike, Palantir, Nvidia none of them pay a real dividend. But one fund holding the biggest AI names distributes income every single Thursday, with payouts reported as high as $1,051 a month. Chief Income Strategist Tim Plaehn breaks down the fund's real Thursday distribution history, how the income is generated, and how to buy it in any brokerage account.tc pixel

Watch the free presentation before this Thursday's payout
7/26/2024Skylands Capital LLC2,840,778$2.00M0.3%-1.2%5.231%
5/16/2024Avenir Corp3,172,696$3.01M0.3%+4.0%5.842%
5/14/2024CM Management LLC825,000$784K0.6%+98.8%1.519%
4/15/2024Key Client Fiduciary Advisors LLC34,557$33K0.0%+188.0%0.064%
2/14/2024Avenir Corp3,051,402$3.39M0.3%+12.3%6.866%
2/14/2024Neuberger Berman Group LLC1,801,799$2.00M0.0%+19.9%4.054%
2/9/2024Neuberger Berman Group LLC1,801,799$2.00M0.0%+19.9%4.054%
2/5/2024Skylands Capital LLC3,254,213$3.61M0.5%+10.5%7.323%
2/5/2024Sargent Investment Group LLC1,308,747$1.45M0.3%+4.1%2.945%
1/16/2024Raymond James & Associates50,000$56K0.0%N/A0.113%
11/13/2023Sargent Investment Group LLC1,257,048$2.36M0.6%-2.5%2.834%
11/1/2023Jacob Asset Management of New York LLC197,940$372K0.5%-16.8%0.446%
10/27/2023Skylands Capital LLC2,944,670$5.54M0.8%+5.4%6.638%
10/26/2023Chicago Partners Investment Group LLC36,358$67K0.0%+84.0%0.082%
8/14/2023Granahan Investment Management LLC1,616,587$5.80M0.2%+3.1%3.644%
8/11/2023Regal Investment Advisors LLC19,168$69K0.0%+36.6%0.043%
8/11/2023Avenir Corp2,719,732$9.76M0.9%+6.4%6.131%
8/8/2023Chicago Partners Investment Group LLC19,760$66K0.0%+88.2%0.045%
8/7/2023Acadian Asset Management LLC9,059$32K0.0%N/A0.020%
8/4/2023Simplex Trading LLC26,581$95K0.0%-18.8%0.060%
8/3/2023Skylands Capital LLC2,793,470$10.03M1.4%+1.4%6.356%
8/2/2023Houlihan Financial Resource Group Ltd.18,600$59K0.0%N/A0.042%
7/31/2023Cowen Prime Advisors LLC42,301$152K0.1%-8.1%0.096%
7/31/2023Sargent Investment Group LLC1,289,546$4.63M1.1%+5.8%2.934%
7/19/2023Eudaimonia Partners LLC23,500$84K0.0%+17.5%0.053%
7/10/2023B.O.S.S. Retirement Advisors LLC13,491$48K0.0%N/A0.031%
7/10/2023AE Wealth Management LLC13,783$49K0.0%N/A0.031%
5/15/2023Granahan Investment Management LLC1,567,540$5.28M0.2%-1.6%3.566%
5/11/2023Jacob Asset Management of New York LLC237,940$802K0.9%-4.0%0.541%
5/11/2023Texas Capital Bank Wealth Management Services Inc.37,625$127K0.0%-23.1%0.086%
5/8/2023CM Management LLC450,000$1.52M1.8%-5.3%1.024%
5/5/2023Coastal Investment Advisors Inc.12,000$40K0.0%N/A0.027%
5/4/2023Skylands Capital LLC2,754,970$9.28M1.4%+8.4%6.268%
5/3/2023Cowen Prime Advisors LLC46,050$113K0.0%+11.8%0.105%
5/2/2023Sargent Investment Group LLC1,218,533$4.22M1.1%+23.8%2.773%
4/26/2023Chicago Partners Investment Group LLC10,498$29K0.0%-31.0%0.024%
2/14/2023Avenir Corp2,447,089$3.79M0.4%+5.7%5.608%
2/14/2023Susquehanna International Group LLP31,943$50K0.0%+379.5%0.073%
2/14/2023Granahan Investment Management LLC1,593,711$2.47M0.1%+5.5%3.652%
2/13/2023Neuberger Berman Group LLC1,529,095$2.33M0.0%+3.3%3.504%
2/9/2023CM Management LLC475,000$736K0.9%-29.6%1.089%
2/9/2023Skylands Capital LLC2,542,091$3.94M0.6%+8.3%5.826%
1/31/2023Sargent Investment Group LLC984,133$1.53M0.5%-11.2%2.255%
1/24/2023Eudaimonia Partners LLC20,000$31K0.0%+81.8%0.046%
11/16/2022Avenir Corp2,314,854$3.15M0.3%+6.9%5.304%
11/14/2022Ergoteles LLC177,503$241K0.0%-12.4%0.407%
11/4/2022CM Management LLC675,000$918K1.0%+12.5%1.549%
11/1/2022Skylands Capital LLC2,347,034$3.19M0.5%+0.9%5.386%
10/27/2022Sargent Investment Group LLC1,108,233$2.03M0.6%+13.4%2.543%
8/15/2022Winning Points Advisors LLC24,900$54K0.1%-63.6%0.057%
Elon Warns "America Will Go Bankrupt". Trump's Plan Inside. (Ad)

National debt just crossed 40 trillion dollars, and Elon Musk says America is 1,000% going to go bankrupt without major changes. As former head of the Department of Government Efficiency under President Trump, Musk saw firsthand how looming spending cuts could rattle markets and squeeze 401ks, IRAs, and TSPs. A preserved IRS provision may help everyday investors shield their retirement savings before the next wave of volatility hits.tc pixel

Download the free guide to help protect your retirement savings now
8/11/2022Avenir Corp2,164,999$4.74M0.5%-0.5%4.968%
8/8/2022CM Management LLC600,000$1.31M1.4%+71.4%1.377%
8/8/2022Y Intercept Hong Kong Ltd14,304$31K0.0%N/A0.033%
8/4/2022Texas Capital Bank Wealth Management Services Inc.48,958$107K0.0%N/A0.112%
8/1/2022Cowen Prime Advisors LLC42,200$92K0.1%+170.5%0.097%
7/28/2022Skylands Capital LLC2,324,997$5.09M0.7%+9.3%5.337%
7/27/2022Country Club Bank GFN15,225$34K0.0%N/A0.035%
7/26/2022Sargent Investment Group LLC977,496$2.14M0.7%+18.1%2.244%


CTSO Institutional Ownership - Frequently Asked Questions

During the previous two years, 20 institutional investors and hedge funds held shares of Cytosorbents. The most heavily invested institutionals were Avenir Corp ($3.34M), Vanguard Group Inc. ($2.06M), Neuberger Berman Group LLC ($1.53M), Skylands Capital LLC ($967K), CM Management LLC ($944K), Geode Capital Management LLC ($770K), and Sargent Investment Group LLC ($391K).Learn more on Cytosorbents' institutional investors.

32.87% of Cytosorbents' stock is owned by institutional investors. Learn more on CTSO's institutional investor holdings.

Of the 16 institutional investors that purchased Cytosorbents' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Avenir Corp ($2.23M), CM Management LLC ($480.58K), Skylands Capital LLC ($247.28K), Raymond James Financial Inc. ($217.24K), Sargent Investment Group LLC ($192.75K), CIBC Bancorp USA Inc. ($172.65K), and GSA Capital Partners LLP ($112.22K).

Institutional investors have bought a total of 774,952 shares in the last 24 months. This purchase volume represents approximately $12.50M in transactions.

The following institutional investors have sold Cytosorbents stock in the last 24 months: Skylands Capital LLC ($909.22K), Sargent Investment Group LLC ($126.70K), Renaissance Technologies LLC ($34.69K), and Susquehanna International Group LLP ($33.63K).

Institutional investors have sold a total of 1,104,234 shares in the last 24 months. This volume of shares sold represents approximately $16.99M in transactions.


Related Companies

Institutional ownership data for NASDAQ:CTSO is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 4/22/2026. New 13F filings are added each quarter as they're published.
From Our Partners
Elon Warns "America Will Go Bankrupt". Trump's Plan Inside.
National debt just crossed 40 trillion dollars, and Elon Musk says America is 1,000% going to go bankrupt with...
American Hartford Gold | Sponsoredtc pixel
Larry's Three-Step Strategy Revealed at The Dollar Trap Summit
Larry unveiled a three-step strategy at last night's Dollar Trap Summit, with no options, futures, or cryptocu...
Brownstone Research | Sponsoredtc pixel
Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...
Altimetry | Sponsoredtc pixel
Your book attached
Bill Poulos is giving away his 'Safe Trade Options Formula' book for free - but only for a limited time throug...
Profits Run | Sponsoredtc pixel
A major gold reset could be closer than people think
For 50 years, Washington has held 8,133 tonnes of gold on its books at a fraction of today's market price. One...
Reagan Gold Group | Sponsoredtc pixel
New Chip takes minutes, not days
George Gilder believes today's AI data centers could become tomorrow's typewriters - replaced by a single wafe...
Eagle Publishing | Sponsoredtc pixel
The case for $20,000 gold before year end
President Trump reposted a warning from precious metals expert Jim Rickards, tying the November midterms and A...
Stansberry Research | Sponsoredtc pixel
How options let you do more with less capital
Would you rather spend $5,000 buying 100 shares of a $50 stock, or control those same 100 shares for a fractio...
Base Camp Trading | Sponsoredtc pixel