CTKB icon

Cytek Biosciences
CTKB

Overview Fund Activity

156 hedge funds and large institutions have $270M invested in Cytek Biosciences in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 65 increasing their positions, 47 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
156
Holders Change
-5
Holders Change %
-3.11%
% of All Funds
2.09%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
65
Reduced
47
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 Holding Trade Value Shares
Change 		Shares
Change %
HNB
151
Huntington National Bank
Ohio
$275 +$275 +81 New
PFBT
152
Parkside Financial Bank & Trust
Missouri
$225 +$225 +66 New
FMII
153
Farmers & Merchants Investments Inc
Nebraska
$204 – – –
LFG
154
Larson Financial Group
Missouri
$68 -$14 -4 -17%
CP
155
CenterBook Partners
Connecticut
– -$3.39M -845,405 Closed
AI
156
Acuitas Investments
Washington
– -$1.33M -331,219 Closed
GCM
157
Graham Capital Management
Connecticut
– -$330K -82,286 Closed
Allianz Asset Management
158
Allianz Asset Management
Germany
– -$297K -74,000 Closed
CF
159
Corebridge Financial
Texas
– -$247K -61,718 Closed
SGI
160
Summit Global Investments
Utah
– -$220K -54,873 Closed
JSL
161
JT Stratford LLC
Georgia
– -$147K -36,670 Closed
Verition Fund Management
162
Verition Fund Management
Connecticut
– -$134K -33,452 Closed
MSRPS
163
Maryland State Retirement & Pension System
Maryland
– -$126K -31,322 Closed
SPA
164
Sherbrooke Park Advisers
New York
– -$89.5K -22,314 Closed
Universal-Beteiligungs- und Servicegesellschaft
165
Universal-Beteiligungs- und Servicegesellschaft
Germany
– -$87.7K -21,873 Closed
QCM
166
Quantinno Capital Management
New York
– -$85K -21,190 Closed
EGM
167
Engineers Gate Manager
New York
– -$78.6K -19,607 Closed
Qube Research & Technologies (QRT)
168
Qube Research & Technologies (QRT)
United Kingdom
– -$78.5K -19,573 Closed
PCM
169
Prelude Capital Management
New York
– -$77K -19,200 Closed
Lazard Asset Management
170
Lazard Asset Management
New York
– -$75K -18,972 Closed
Point72 Asset Management
171
Point72 Asset Management
Connecticut
– -$70.2K -17,496 Closed
CC
172
Corton Capital
Ontario, Canada
– -$64.7K -16,129 Closed
Neuberger Berman Group
173
Neuberger Berman Group
New York
– -$56K -13,972 Closed
QC
174
Quadrature Capital
United Kingdom
– -$55.9K -13,896 Closed
TCM
175
Teza Capital Management
Illinois
– -$43.7K -10,893 Closed
4 5 6
7
8