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Cytek Biosciences
CTKB

Overview Fund Activity

154 hedge funds and large institutions have $269M invested in Cytek Biosciences in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 65 increasing their positions, 46 reducing their positions, and 28 closing their positions.

Holders
154
Holders Change
-7
Holders Change %
-4.35%
% of All Funds
2.07%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
65
Reduced
46
Closed
28
Calls
–
Puts
$2K
Net Calls
-$2K
Net Calls Change
+$18K

Top Buyers

1
TCM
1
Topline Capital Management
California
$17.8M
2
RA
2
Royce & Associates
New York
$4.73M
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$11.7M
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$4.21M
5
Millennium Management
5
Millennium Management
New York
$3.14M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$26.4M
2
BlackRock
2
BlackRock
New York
$57.9M
3
CP
3
CenterBook Partners
Connecticut
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$700K
5
TI
5
Trexquant Investment
Connecticut
$153K
Name Market Value Shares Shares
Change 		Shares
Change %
IIM
76
INTECH Investment Management
Florida
$160K 46,942 -20,923 -31%
DTL
77
Dynamic Technology Lab
Singapore
$155K 45,714 +32,427 +244%
Carson Wealth (CWM LLC)
78
Carson Wealth (CWM LLC)
Nebraska
$154K 45,420 +27,400 +152%
TI
79
Trexquant Investment
Connecticut
$153K 45,131 -503,873 -92%
Manulife (Manufacturers Life Insurance)
80
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$151K 44,441 +379 +0.9%
VOYA Investment Management
81
VOYA Investment Management
Georgia
$130K 38,312 -41,954 -52%
GCP
82
GSA Capital Partners
United Kingdom
$120K 35,166 -43,896 -56%
State Board of Administration of Florida Retirement System
83
State Board of Administration of Florida Retirement System
Florida
$118K 34,670 – –
Wealth Enhancement Advisory Services
84
Wealth Enhancement Advisory Services
Minnesota
$117K 31,067 +15,351 +98%
SSG
85
Summit Securities Group
New York
$113K 33,276 +33,276 New
Bank of Montreal
86
Bank of Montreal
Ontario, Canada
$112K 33,072 +17,379 +111%
ASRS
87
Arizona State Retirement System
Arizona
$108K 31,721 +349 +1%
PAS
88
Point72 Asia (Singapore)
Singapore
$107K 31,595 +15,824 +100%
YCM
89
Yousif Capital Management
Michigan
$106K 31,202 – –
BIG
90
Brooklyn Investment Group
New York
$104K 30,664 +20,741 +209%
Comerica Bank
91
Comerica Bank
Texas
$103K 30,413 +472 +2%
AB
92
Amalgamated Bank
New York
$102K 29,931 +715 +2%
PFSRSONJ
93
Police & Firemen's Retirement System of New Jersey
New Jersey
$100K 29,469 – –
Russell Investments Group
94
Russell Investments Group
United Kingdom
$94.5K 27,795 -39,589 -59%
COPPSERS
95
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$89.6K 26,340 +1,371 +5%
SO
96
STRS Ohio
Ohio
$89.1K 26,200 – –
ProShare Advisors
97
ProShare Advisors
Maryland
$88.3K 25,970 -1,797 -6%
QT
98
Quantbot Technologies
New York
$84.1K 24,731 +24,731 New
State of Tennessee, Department of Treasury
99
State of Tennessee, Department of Treasury
Tennessee
$84K 24,710 -43,145 -64%
DT
100
Diversified Trust
Tennessee
$83.4K 24,532 – –
2 3
4
5 6