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Cytek Biosciences
CTKB

Overview Fund Activity

161 hedge funds and large institutions have $311M invested in Cytek Biosciences in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 50 increasing their positions, 64 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
161
Holders Change
+9
Holders Change %
+5.92%
% of All Funds
2.19%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
31
Increased
50
Reduced
64
Closed
21
Calls
$2K
Puts
$22K
Net Calls
-$20K
Net Calls Change
-$31K

Top Buyers

1
TCM
Topline Capital Management
California
$5.9M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$11.4M
3
CP
CenterBook Partners
Connecticut
$3.39M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$2.84M
5
AQR Capital Management
AQR Capital Management
Connecticut
$2.62M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$0
2
Vanguard Group
Vanguard Group
Pennsylvania
$38.6M
3
BCM
Brown Capital Management
Maryland
$29.9M
4
BlackRock
BlackRock
New York
$72.5M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
$70.2K
Name Holding Trade Value Shares
Change 		Shares
Change %
Prudential Financial
51
Prudential Financial
New Jersey
$427K -$269K -67,000 -39%
California State Teachers Retirement System (CalSTRS)
52
California State Teachers Retirement System (CalSTRS)
California
$422K – – –
CAU
53
Caxton Associates (UK)
$409K +$409K +101,894 New
Deutsche Bank
54
Deutsche Bank
Germany
$377K -$37K -9,228 -9%
BNP Paribas Financial Markets
55
BNP Paribas Financial Markets
France
$376K -$460K -114,833 -55%
Teacher Retirement System of Texas
56
Teacher Retirement System of Texas
Texas
$366K -$61.9K -15,425 -14%
GCM
57
Graham Capital Management
Connecticut
$330K +$220K +54,868 +200%
VOYA Investment Management
58
VOYA Investment Management
Georgia
$322K +$162K +40,517 +102%
BHCM
59
Brevan Howard Capital Management
Jersey
$321K +$321K +79,954 New
GCP
60
GSA Capital Partners
United Kingdom
$317K +$317K +79,062 New
Thrivent Financial for Lutherans
61
Thrivent Financial for Lutherans
Minnesota
$307K -$16.1K -4,009 -5%
Franklin Resources
62
Franklin Resources
California
$305K -$429 -107 -0.1%
Allianz Asset Management
63
Allianz Asset Management
Germany
$297K +$93.4K +23,300 +46%
Wells Fargo
64
Wells Fargo
California
$287K +$994 +248 +0.3%
Mirae Asset Global ETFs Holdings
65
Mirae Asset Global ETFs Holdings
Hong Kong
$283K +$6.18K +1,540 +2%
IIM
66
INTECH Investment Management
Florida
$272K +$72.8K +18,161 +37%
State of Tennessee, Department of Treasury
67
State of Tennessee, Department of Treasury
Tennessee
$272K -$10.6K -2,647 -4%
MIM
68
MetLife Investment Management
New Jersey
$272K -$26.7K -6,667 -9%
Russell Investments Group
69
Russell Investments Group
United Kingdom
$270K +$159K +39,582 +142%
Janus Henderson Group
70
Janus Henderson Group
United Kingdom
$260K – – –
CF
71
Corebridge Financial
Texas
$247K -$9.24K -2,303 -4%
IC
72
IEQ Capital
California
$231K +$231K +57,682 New
SOADOR
73
State of Alaska Department of Revenue
Alaska
$231K -$5.93K -1,485 -3%
CSS
74
Cubist Systematic Strategies
Connecticut
$230K -$237K -59,211 -51%
SGI
75
Summit Global Investments
Utah
$220K +$74.9K +18,684 +52%
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