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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 %
T. Rowe Price Associates
76
T. Rowe Price Associates
Maryland
$214K +$24.7K +6,148 +13%
LSERS
77
Louisiana State Employees Retirement System
Louisiana
$197K -$5.21K -1,300 -3%
New York State Teachers Retirement System (NYSTRS)
78
New York State Teachers Retirement System (NYSTRS)
New York
$194K +$12.4K +3,100 +7%
Arrowstreet Capital
79
Arrowstreet Capital
Massachusetts
$193K +$193K +48,154 New
Manulife (Manufacturers Life Insurance)
80
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$177K -$4.48K -1,118 -2%
TPSF
81
Texas Permanent School Fund
Texas
$175K +$175K +47,093 New
Squarepoint
82
Squarepoint
New York
$172K -$99.9K -24,911 -37%
Acadian Asset Management
83
Acadian Asset Management
Massachusetts
$162K +$162K +40,667 New
JSL
84
JT Stratford LLC
Georgia
$147K +$147K +36,670 New
State Board of Administration of Florida Retirement System
85
State Board of Administration of Florida Retirement System
Florida
$139K – – –
Verition Fund Management
86
Verition Fund Management
Connecticut
$134K +$79.4K +19,810 +145%
ASRS
87
Arizona State Retirement System
Arizona
$126K -$4.29K -1,069 -3%
MSRPS
88
Maryland State Retirement & Pension System
Maryland
$126K -$18.6K -4,648 -13%
YCM
89
Yousif Capital Management
Michigan
$125K -$3.01K -751 -2%
NAM
90
NorthCrest Asset Manangement
Minnesota
$123K -$5.64K -1,407 -4%
Comerica Bank
91
Comerica Bank
Texas
$120K -$2K -498 -2%
PFSRSONJ
92
Police & Firemen's Retirement System of New Jersey
New Jersey
$118K – – –
AB
93
Amalgamated Bank
New York
$117K -$10.5K -2,626 -8%
ProShare Advisors
94
ProShare Advisors
Maryland
$111K -$34K -8,474 -23%
OAM
95
Oxford Asset Management
United Kingdom
$107K +$107K +26,640 New
CWM
96
CIBC World Markets
New York
$106K +$60.4K +15,071 +133%
SO
97
STRS Ohio
Ohio
$105K – – –
SG Americas Securities
98
SG Americas Securities
New York
$105K +$105K +26,274 New
COPPSERS
99
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$100K +$10.8K +2,695 +12%
DT
100
Diversified Trust
Tennessee
$98.4K +$98.4K +24,532 New
2 3
4
5 6