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Cytosorbents (CTSO) Institutional Ownership

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$1.08 -0.02 (-1.82%)
Closing price 04:00 PM Eastern
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$1.10 +0.01 (+1.39%)
As of 04:04 PM Eastern
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Institutional Ownership Changes (13F Filings) for Cytosorbents (NASDAQ:CTSO)

Current
Institutional Ownership
Percentage
32.87%
Number of
Institutional Buyers
(last 12 months)
12
Total
Institutional Inflows
(last 12 months)
$3.33M
Number of
Institutional Sellers
(last 12 months)
5
Total
Institutional Outflows
(last 12 months)
$2.62M
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CTSO Institutional Buying and Selling by Quarter

Cytosorbents Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 Avenir Corp5,058,537$6.48M0.7%+0.3%8.060%
8/8/2025 Geode Capital Management LLC601,451$770K0.0%-2.0%0.961%
6/27/2025 Goldman Sachs Group Inc.62,662$63K0.0%+149.2%0.100%
5/16/2025 Goldman Sachs Group Inc.62,662$63K0.0%+149.2%0.100%
5/16/2025 Granahan Investment Management LLC358,418$358K0.0%-70.2%0.572%
5/14/2025 Avenir Corp5,044,918$5.05M0.5%+63.1%8.058%
5/9/2025 CM Management LLC954,076$954K0.9%+36.3%1.524%
5/5/2025 Sargent Investment Group LLC823,500$824K0.1%-34.1%1.315%
4/25/2025 Skylands Capital LLC3,002,702$3.00M0.4%+7.9%4.804%
4/10/2025 Key Client Fiduciary Advisors LLC78,457$78K0.0%+127.0%0.126%
2/17/2025 Millennium Management LLC33,280$30K0.0%N/A0.061%
2/17/2025 Granahan Investment Management LLC1,204,580$1.10M0.0%-42.5%2.203%
2/14/2025 Northern Trust Corp91,560$83K0.0%+22.3%0.167%
2/13/2025 Avenir Corp3,093,946$2.82M0.3%+4.0%5.658%
2/13/2025 Neuberger Berman Group LLC1,681,883$1.53M0.0%-5.6%3.076%
2/13/2025 Raymond James Financial Inc.108,621$99K0.0%N/A0.199%
2/13/2025 Renaissance Technologies LLC88,020$80K0.0%+10.6%0.161%
2/7/2025 CM Management LLC700,000$637K0.6%-12.5%1.280%
2/6/2025 Raymond James Financial Inc.108,621$99K0.0%N/A0.199%
2/4/2025 Skylands Capital LLC2,781,622$2.53M0.4%+1.0%5.087%
1/27/2025 Sargent Investment Group LLC1,248,863$1.14M0.2%-23.2%2.284%
11/16/2024 Geode Capital Management LLC467,058$701K0.0%+7.5%0.854%
11/6/2024 Sargent Investment Group LLC1,626,247$2.44M0.4%+13.4%2.988%
10/8/2024 Atomi Financial Group Inc.34,292$51K0.0%N/A0.063%
8/10/2024 Sargent Investment Group LLC1,433,500$1.01M0.2%+4.9%2.640%
8/2/2024 CM Management LLC850,000$598K0.5%+3.0%1.565%
7/26/2024 Skylands Capital LLC2,840,778$2.00M0.3%-1.2%5.231%
5/16/2024 Avenir Corp3,172,696$3.01M0.3%+4.0%5.842%
5/14/2024 CM Management LLC825,000$784K0.6%+98.8%1.519%
4/15/2024 Key Client Fiduciary Advisors LLC34,557$33K0.0%+188.0%0.064%
2/14/2024 Avenir Corp3,051,402$3.39M0.3%+12.3%6.866%
2/14/2024 Neuberger Berman Group LLC1,801,799$2.00M0.0%+19.9%4.054%
2/9/2024 Neuberger Berman Group LLC1,801,799$2.00M0.0%+19.9%4.054%
2/5/2024 Skylands Capital LLC3,254,213$3.61M0.5%+10.5%7.323%
2/5/2024 Sargent Investment Group LLC1,308,747$1.45M0.3%+4.1%2.945%
1/16/2024Raymond James & Associates50,000$56K0.0%N/A0.113%
11/13/2023 Sargent 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%
10/27/2023 Skylands Capital LLC2,944,670$5.54M0.8%+5.4%6.638%
10/26/2023 Chicago Partners Investment Group LLC36,358$67K0.0%+84.0%0.082%
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8/14/2023 Granahan Investment Management LLC1,616,587$5.80M0.2%+3.1%3.644%
8/11/2023 Regal Investment Advisors LLC19,168$69K0.0%+36.6%0.043%
8/11/2023 Avenir Corp2,719,732$9.76M0.9%+6.4%6.131%
8/8/2023 Chicago Partners Investment Group LLC19,760$66K0.0%+88.2%0.045%
8/7/2023 Acadian Asset Management LLC9,059$32K0.0%N/A0.020%
8/4/2023 Simplex Trading LLC26,581$95K0.0%-18.8%0.060%
8/3/2023 Skylands Capital LLC2,793,470$10.03M1.4%+1.4%6.356%
8/2/2023 Houlihan Financial Resource Group Ltd.18,600$59K0.0%N/A0.042%
7/31/2023Cowen Prime Advisors LLC42,301$152K0.1%-8.1%0.096%
7/31/2023 Sargent Investment Group LLC1,289,546$4.63M1.1%+5.8%2.934%
7/19/2023Eudaimonia Partners LLC23,500$84K0.0%+17.5%0.053%
7/10/2023 B.O.S.S. Retirement Advisors LLC13,491$48K0.0%N/A0.031%
7/10/2023 AE Wealth Management LLC13,783$49K0.0%N/A0.031%
5/15/2023 Granahan 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%
5/11/2023 Texas Capital Bank Wealth Management Services Inc.37,625$127K0.0%-23.1%0.086%
5/8/2023 CM Management LLC450,000$1.52M1.8%-5.3%1.024%
5/5/2023 Coastal Investment Advisors Inc.12,000$40K0.0%N/A0.027%
5/4/2023 Skylands Capital LLC2,754,970$9.28M1.4%+8.4%6.268%
5/3/2023Cowen Prime Advisors LLC46,050$113K0.0%+11.8%0.105%
5/2/2023 Sargent Investment Group LLC1,218,533$4.22M1.1%+23.8%2.773%
4/26/2023 Chicago Partners Investment Group LLC10,498$29K0.0%-31.0%0.024%
2/14/2023 Avenir Corp2,447,089$3.79M0.4%+5.7%5.608%
2/14/2023 Susquehanna International Group LLP31,943$50K0.0%+379.5%0.073%
2/14/2023 Granahan Investment Management LLC1,593,711$2.47M0.1%+5.5%3.652%
2/13/2023 Neuberger Berman Group LLC1,529,095$2.33M0.0%+3.3%3.504%
2/9/2023 CM Management LLC475,000$736K0.9%-29.6%1.089%
2/9/2023 Skylands Capital LLC2,542,091$3.94M0.6%+8.3%5.826%
1/31/2023 Sargent Investment Group LLC984,133$1.53M0.5%-11.2%2.255%
1/24/2023Eudaimonia Partners LLC20,000$31K0.0%+81.8%0.046%
11/16/2022 Avenir Corp2,314,854$3.15M0.3%+6.9%5.304%
11/14/2022Ergoteles LLC177,503$241K0.0%-12.4%0.407%
11/4/2022 CM Management LLC675,000$918K1.0%+12.5%1.549%
11/1/2022 Skylands Capital LLC2,347,034$3.19M0.5%+0.9%5.386%
10/27/2022 Sargent 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%
8/11/2022 Avenir Corp2,164,999$4.74M0.5%-0.5%4.968%
8/8/2022 CM Management LLC600,000$1.31M1.4%+71.4%1.377%
8/8/2022 Y Intercept Hong Kong Ltd14,304$31K0.0%N/A0.033%
8/4/2022 Texas 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%
7/28/2022 Skylands Capital LLC2,324,997$5.09M0.7%+9.3%5.337%
7/27/2022 Country Club Bank GFN15,225$34K0.0%N/A0.035%
7/26/2022 Sargent Investment Group LLC977,496$2.14M0.7%+18.1%2.244%
7/19/2022 Key Client Fiduciary Advisors LLC12,000$26K0.0%N/A0.028%
5/16/2022 Granahan Investment Management LLC1,215,928$3.88M0.1%+10.0%2.791%
5/11/2022 GSA Capital Partners LLP131,655$420K0.1%+912.5%0.302%
5/9/2022 CM Management LLC350,000$1.12M0.9%+16.7%0.803%
5/6/2022 Sargent Investment Group LLC827,380$2.64M0.7%+5.4%1.899%
5/5/2022 Skylands Capital LLC2,127,952$6.79M0.8%+9.3%4.885%
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5/5/2022 Royce & Associates LP349,000$1.11M0.0%+39.0%0.801%
5/2/2022Cowen Prime Advisors LLC15,600$50K0.0%+316.0%0.036%
4/27/2022Winning Points Advisors LLC68,400$218K0.2%N/A0.157%
3/11/2022 Bradley Foster & Sargent Inc. CT10,250$43K0.0%-70.1%0.024%
2/16/2022 Avenir Corp1,787,275$7.49M0.6%+28.1%4.111%
2/15/2022 Cushing Asset Management LP18,671$78K0.0%-84.6%0.043%
2/14/2022 Redmile Group LLC717,244$3.01M0.1%-31.3%1.650%
2/14/2022 GSA Capital Partners LLP13,003$54K0.0%N/A0.030%
2/10/2022 Paradigm Financial Partners LLC41,790$159K0.0%N/A0.096%
2/8/2022Raymond James Financial Services Advisors Inc.47,543$199K0.0%N/A0.109%
(Data available from 1/1/2016 forward)

CTSO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CTSO shares?

During the previous two years, 17 institutional investors and hedge funds held shares of Cytosorbents. The most heavily invested institutionals were Avenir Corp ($6.48M), Skylands Capital LLC ($3.00M), Neuberger Berman Group LLC ($1.53M), CM Management LLC ($954K), Sargent Investment Group LLC ($824K), Geode Capital Management LLC ($770K), and Jacob Asset Management of New York LLC ($372K).Learn more on Cytosorbents' institutional investors.

What percentage of Cytosorbents' stock is owned by institutional investors?

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

Which institutional investors have been buying Cytosorbents' stock?

Of the 15 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 ($2.54M), Skylands Capital LLC ($708.02K), CM Management LLC ($689.08K), Neuberger Berman Group LLC ($598.21K), Sargent Investment Group LLC ($311.63K), Raymond James Financial Inc. ($217.24K), and Goldman Sachs Group Inc. ($75.04K).

How much institutional buying is happening at Cytosorbents?

Institutional investors have bought a total of 3,238,344 shares in the last 24 months. This purchase volume represents approximately $3.33M in transactions.

Which of Cytosorbents' major shareholders have been selling company stock?

The following institutional investors have sold Cytosorbents stock in the last 24 months: Granahan Investment Management LLC ($1.74M), Sargent Investment Group LLC ($802.75K), CM Management LLC ($100K), Neuberger Berman Group LLC ($99.48K), and Geode Capital Management LLC ($12.40K).

How much institutional selling is happening at Cytosorbents?

Institutional investors have sold a total of 2,751,092 shares in the last 24 months. This volume of shares sold represents approximately $2.62M in transactions.


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This page (NASDAQ:CTSO) was last updated on 8/19/2025 by MarketBeat.com Staff
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