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Cytek Biosciences (CTKB) Institutional Ownership

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$3.96 +0.11 (+2.86%)
Closing price 04:00 PM Eastern
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$3.96 +0.00 (+0.13%)
As of 04:10 PM Eastern
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Institutional Ownership Changes (13F Filings) for Cytek Biosciences (NASDAQ:CTKB)

Current
Institutional Ownership
Percentage
69.46%
Number of
Institutional Buyers
(last 12 months)
111
Total
Institutional Inflows
(last 12 months)
$77.73M
Number of
Institutional Sellers
(last 12 months)
42
Total
Institutional Outflows
(last 12 months)
$38.45M
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CTKB Institutional Buying and Selling by Quarter

Cytek Biosciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2025 Voya Investment Management LLC116,014$403K0.0%+202.8%0.091%
8/27/2025Squarepoint Ops LLC145,051$493K0.0%+237.3%0.114%
8/19/2025State of Wyoming9,538$32K0.0%-52.8%0.007%
8/16/2025Public Sector Pension Investment Board349,736$1.19M0.0%+5.7%0.275%
8/15/2025Tower Research Capital LLC TRC 19,760$67K0.0%+338.1%0.016%
8/15/2025State of Tennessee Department of Treasury24,710$84K0.0%-63.6%0.019%
8/15/2025Captrust Financial Advisors12,704$43K0.0%N/A0.010%
8/15/2025Topline Capital Management LLC5,231,260$17.79M3.1%+255.7%4.112%
8/15/2025Oxford Asset Management LLP12,673$43K0.0%-52.4%0.010%
8/15/2025BNP Paribas Financial Markets11,978$41K0.0%-87.2%0.009%
8/15/2025Brevan Howard Capital Management LP55,122$187K0.0%-31.1%0.043%
8/15/2025Bank of America Corp DE91,612$311K0.0%-72.4%0.072%
8/15/2025Ameriprise Financial Inc.412,311$1.40M0.0%+48.7%0.324%
8/15/2025AQR Capital Management LLC1,238,393$4.21M0.0%+89.6%0.973%
8/14/2025PDT Partners LLC91,869$312K0.0%-31.5%0.072%
8/14/2025Jane Street Group LLC284,838$968K0.0%-17.2%0.224%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.64,390$219K0.0%-8.8%0.051%
8/14/2025Cerity Partners LLC51,362$175K0.0%N/A0.040%
8/14/2025Federated Hermes Inc.7,221$25K0.0%+150.9%0.006%
8/13/2025Marshall Wace LLP261,352$889K0.0%N/A0.205%
8/13/2025Brown Capital Management LLC7,109,995$24.17M0.7%-4.7%5.589%
8/13/2025Invesco Ltd.343,659$1.17M0.0%+2.0%0.270%
8/13/2025Arrowstreet Capital Limited Partnership144,252$490K0.0%+199.6%0.113%
8/13/2025Quantbot Technologies LP24,731$84K0.0%N/A0.019%
8/13/2025Panagora Asset Management Inc.288,262$980K0.0%-29.5%0.227%
8/13/2025Russell Investments Group Ltd.27,795$95K0.0%-58.8%0.022%
8/12/2025XTX Topco Ltd115,401$392K0.0%-32.2%0.091%
8/12/2025Prudential Financial Inc.112,667$383K0.0%+5.9%0.089%
8/12/2025American Century Companies Inc.251,273$854K0.0%+8.2%0.198%
8/12/2025Rhumbline Advisers282,651$961K0.0%-4.6%0.222%
8/12/2025Legal & General Group Plc310,291$1.06M0.0%+4.5%0.244%
8/12/2025JPMorgan Chase & Co.430,108$1.46M0.0%-35.9%0.338%
8/12/2025Dynamic Technology Lab Private Ltd45,714$155K0.0%+244.1%0.036%
8/8/2025Intech Investment Management LLC46,942$160K0.0%-30.8%0.037%
8/8/2025Creative Planning55,677$189K0.0%+455.4%0.044%
8/8/2025Geode Capital Management LLC2,729,593$9.28M0.0%+1.6%2.155%
8/8/2025PNC Financial Services Group Inc.16,478$56K0.0%+331.8%0.013%
8/7/2025Connor Clark & Lunn Investment Management Ltd.319,066$1.09M0.0%-11.3%0.252%
8/7/2025Los Angeles Capital Management LLC15,332$52K0.0%N/A0.012%
8/6/2025Savant Capital LLC24,133$82K0.0%N/A0.019%
8/5/2025Bank of Montreal Can33,072$112K0.0%+110.7%0.026%
7/25/2025CWM LLC45,420$154K0.0%+152.1%0.036%
7/25/2025Vanguard Personalized Indexing Management LLC12,395$42K0.0%N/A0.010%
7/16/2025State of Alaska Department of Revenue60,953$206K0.0%+5.4%0.048%
7/15/2025Public Employees Retirement System of Ohio68,906$234K0.0%+448.0%0.054%
7/10/2025NorthCrest Asset Manangement LLC15,258$57K0.0%-50.4%0.012%
7/10/2025Wealth Enhancement Advisory Services LLC31,067$117K0.0%+97.7%0.025%
7/9/2025Pallas Capital Advisors LLC14,069$48K0.0%N/A0.011%
6/27/2025Goldman Sachs Group Inc.1,158,001$4.64M0.0%-13.7%0.914%
6/18/2025 Voya Investment Management LLC80,266$322K0.0%+101.9%0.063%
5/28/2025Strs Ohio26,200$105K0.0%N/A0.021%
5/21/2025Acadian Asset Management LLC40,667$162K0.0%N/A0.032%
5/19/2025Jane Street Group LLC344,169$1.38M0.0%+412.2%0.272%
5/16/2025Caxton Associates LLP101,894$409K0.0%N/A0.080%
5/16/2025Goldman Sachs Group Inc.1,158,001$4.64M0.0%-13.7%0.914%
5/16/2025Dynamic Technology Lab Private Ltd13,287$53K0.0%-45.6%0.010%
5/16/2025Jacobs Levy Equity Management Inc.708,482$2.84M0.0%N/A0.559%
5/16/2025AQR Capital Management LLC653,277$2.62M0.0%+394.4%0.516%
5/15/2025PDT Partners LLC134,065$538K0.0%N/A0.105%
5/15/2025Cubist Systematic Strategies LLC57,413$230K0.0%-50.8%0.045%
5/15/2025Panagora Asset Management Inc.408,926$1.64M0.0%+222.0%0.320%
5/15/2025State of Wyoming20,192$81K0.0%-49.2%0.016%
5/15/2025Topline Capital Management LLC1,470,775$5.90M1.3%+521.6%1.153%
5/15/2025Trexquant Investment LP549,004$2.20M0.0%+126.3%0.430%
5/14/2025Ieq Capital LLC57,682$231K0.0%N/A0.045%
5/14/2025MetLife Investment Management LLC67,731$272K0.0%-9.0%0.053%
5/14/2025JT Stratford LLC36,670$147K0.0%N/A0.029%
5/13/2025Brooklyn Investment Group9,923$40K0.0%+992,200.0%0.008%
5/13/2025Algert Global LLC411,425$1.65M0.0%+17.2%0.322%
5/13/2025American Century Companies Inc.232,175$931K0.0%+13.4%0.182%
5/13/2025Russell Investments Group Ltd.67,384$270K0.0%+142.4%0.053%
5/12/2025Public Sector Pension Investment Board330,914$1.33M0.0%+27.3%0.259%
5/12/2025Nuveen LLC304,985$1.22M0.0%N/A0.239%
5/12/2025Invesco Ltd.336,953$1.35M0.0%+3.0%0.264%
5/12/2025Connor Clark & Lunn Investment Management Ltd.359,577$1.44M0.0%-40.2%0.282%
5/12/2025Swiss National Bank212,100$851K0.0%-3.1%0.166%
5/12/2025Maryland State Retirement & Pension System31,322$126K0.0%-12.9%0.025%
5/9/2025CenterBook Partners LP845,405$3.39M0.2%N/A0.663%
5/9/2025Deutsche Bank AG93,954$377K0.0%-8.9%0.074%
5/9/2025Charles Schwab Investment Management Inc.1,104,889$4.43M0.0%+3.9%0.866%
5/9/2025Vanguard Group Inc.9,622,008$38.58M0.0%-17.9%7.541%
5/8/2025US Bancorp DE10,680$43K0.0%+9,698.2%0.008%
5/8/2025SlateStone Wealth LLC19,129$77K0.0%+18.9%0.015%
5/8/2025XTX Topco Ltd170,279$683K0.0%+714.5%0.133%
5/7/2025Corton Capital Inc.16,129$65K0.2%N/A0.013%
5/6/2025Royce & Associates LP565,819$2.27M0.0%+20.2%0.443%
5/5/2025Allianz Asset Management GmbH74,000$297K0.0%+46.0%0.058%
5/5/2025Teachers Retirement System of The State of Kentucky24,338$97K0.0%-84.5%0.019%
5/1/2025CWM LLC18,020$72K0.0%+1,637.7%0.014%
4/29/2025Bank of New York Mellon Corp692,402$2.78M0.0%-5.2%0.541%
4/28/2025Principal Financial Group Inc.520,743$2.09M0.0%+2.7%0.407%
4/28/2025Teacher Retirement System of Texas91,172$366K0.0%-14.5%0.071%
4/28/2025Acuitas Investments LLC331,219$1.33M1.1%N/A0.259%
4/25/2025New York State Teachers Retirement System48,463$194K0.0%+6.8%0.038%
4/24/2025Diversified Trust Co24,532$98K0.0%N/A0.019%
4/16/2025Wealth Enhancement Advisory Services LLC15,716$63K0.0%N/A0.012%
4/7/2025Summit Global Investments54,873$220K0.0%+51.6%0.043%
3/24/2025Wellington Management Group LLP1,517,214$9.85M0.0%-24.4%1.184%
3/17/2025NorthCrest Asset Manangement LLC32,184$209K0.0%-37.1%0.025%
2/28/2025Universal Beteiligungs und Servicegesellschaft mbH21,873$142K0.0%N/A0.017%
(Data available from 1/1/2016 forward)

CTKB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CTKB shares?

During the previous two years, 148 institutional investors and hedge funds held shares of Cytek Biosciences. The most heavily invested institutionals were Vanguard Group Inc. ($38.58M), RA Capital Management L.P. ($37.59M), New York State Common Retirement Fund ($26.89M), Brown Capital Management LLC ($24.17M), State Street Corp ($23.09M), Topline Capital Management LLC ($17.79M), and Dimensional Fund Advisors LP ($11.88M).Learn more on Cytek Biosciences' institutional investors.

What percentage of Cytek Biosciences' stock is owned by institutional investors?

69.46% of Cytek Biosciences' stock is owned by institutional investors. Learn more on CTKB's institutional investor holdings.

Which institutional investors have been buying Cytek Biosciences' stock?

Of the 134 institutional investors that purchased Cytek Biosciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Topline Capital Management LLC ($5.23M), Millennium Management LLC ($1.53M), Vanguard Group Inc. ($1.39M), New York State Common Retirement Fund ($1.30M), AQR Capital Management LLC ($1.15M), Jacobs Levy Equity Management Inc. ($891.20K), and CenterBook Partners LP ($845.41K).

How much institutional buying is happening at Cytek Biosciences?

Institutional investors have bought a total of 17,053,320 shares in the last 24 months. This purchase volume represents approximately $77.73M in transactions.

Which of Cytek Biosciences' major shareholders have been selling company stock?

Of the 42 institutional investors that sold Cytek Biosciences' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Brown Capital Management LLC ($2.25M), Vanguard Group Inc. ($2.16M), Wellington Management Group LLP ($1.11M), Goldman Sachs Group Inc. ($367.50K), Connor Clark & Lunn Investment Management Ltd. ($312.41K), JPMorgan Chase & Co. ($251.11K), and Bank of America Corp DE ($240.51K).

How much institutional selling is happening at Cytek Biosciences?

Institutional investors have sold a total of 8,066,217 shares in the last 24 months. This volume of shares sold represents approximately $38.45M in transactions.


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This page (NASDAQ:CTKB) was last updated on 10/13/2025 by MarketBeat.com Staff
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