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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.

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

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$0
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$38.6M
3
BCM
3
Brown Capital Management
Maryland
$29.9M
4
BlackRock
4
BlackRock
New York
$72.5M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$70.2K
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$72.5M -$1.66M -413,513 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$38.6M -$8.4M -2,094,835 -18%
BCM
3
Brown Capital Management
Maryland
$29.9M -$3.14M -782,643 -9%
HA
4
HHLR Advisors
Cayman Islands
$26.7M – – –
State Street
5
State Street
Massachusetts
$17.6M -$514K -128,204 -3%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$11.4M +$4.1M +1,023,377 +56%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$10.8M +$191K +47,594 +2%
New York State Common Retirement Fund
8
New York State Common Retirement Fund
New York
$8.37M – – –
TCM
9
Topline Capital Management
California
$5.9M +$4.95M +1,234,179 +522%
Goldman Sachs
10
Goldman Sachs
New York
$4.64M -$737K -183,751 -14%
Northern Trust
11
Northern Trust
Illinois
$4.62M -$147K -36,764 -3%
Charles Schwab
12
Charles Schwab
California
$4.43M +$168K +41,899 +4%
CP
13
CenterBook Partners
Connecticut
$3.39M +$3.39M +845,405 New
Morgan Stanley
14
Morgan Stanley
New York
$2.99M -$1.38M -343,984 -32%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$2.88M +$136K +33,973 +5%
Jacobs Levy Equity Management
16
Jacobs Levy Equity Management
New Jersey
$2.84M +$2.84M +708,482 New
Bank of New York Mellon
17
Bank of New York Mellon
New York
$2.78M -$154K -38,307 -5%
Renaissance Technologies
18
Renaissance Technologies
New York
$2.76M +$902K +225,000 +49%
JPMorgan Chase & Co
19
JPMorgan Chase & Co
New York
$2.69M -$1.11M -276,370 -29%
AQR Capital Management
20
AQR Capital Management
Connecticut
$2.62M +$2.09M +521,135 +394%
UBS Group
21
UBS Group
Switzerland
$2.45M -$217K -54,205 -8%
Citadel Advisors
22
Citadel Advisors
Florida
$2.42M +$1.61M +401,377 +200%
RA
23
Royce & Associates
New York
$2.27M +$381K +95,000 +20%
TI
24
Trexquant Investment
Connecticut
$2.2M +$1.23M +306,405 +126%
Principal Financial Group
25
Principal Financial Group
Iowa
$2.09M +$55.4K +13,818 +3%
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