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Castle Biosciences
CSTL

Overview Fund Activity

152 hedge funds and large institutions have $542M invested in Castle Biosciences in 2025 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 70 increasing their positions, 44 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
152
Holders Change
-28
Holders Change %
-15.56%
% of All Funds
2.04%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
16
Increased
70
Reduced
44
Closed
42
Calls
$22K
Puts
$4K
Net Calls
+$18K
Net Calls Change
-$70K

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$18.1M
2
B
2
Braidwell
Connecticut
$16.8M
3
NL
3
Nuveen LLC
North Carolina
$21.9M
4
Principal Financial Group
4
Principal Financial Group
Iowa
$36.7M
5
UBS Group
5
UBS Group
Switzerland
$7.43M

Top Sellers

1
PWAM
1
Park West Asset Management
California
$0
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$8.32M
3
BG
3
Bellevue Group
Switzerland
$0
4
CSS
4
Cubist Systematic Strategies
Connecticut
$0
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
FFA
151
Farther Finance Advisors
California
$20 -$80 -4 -80%
TPWA
152
Twin Peaks Wealth Advisors
California
$19 +$19 +1 New
PWAM
153
Park West Asset Management
California
– -$11.1M -556,485 Closed
BG
154
Bellevue Group
Switzerland
– -$6.03M -301,103 Closed
CSS
155
Cubist Systematic Strategies
Connecticut
– -$4.76M -237,698 Closed
Point72 Asset Management
156
Point72 Asset Management
Connecticut
– -$4.73M -236,218 Closed
SCM
157
Shelton Capital Management
Colorado
– -$3.28M -164,008 Closed
ECM
158
ExodusPoint Capital Management
New York
– -$1.55M -77,563 Closed
GCP
159
GSA Capital Partners
United Kingdom
– -$1.34M -67,143 Closed
JCIA
160
Jackson Creek Investment Advisors
Colorado
– -$1.14M -57,094 Closed
DFCM
161
Dark Forest Capital Management
Puerto Rico
– -$1.04M -51,855 Closed
CCIA
162
Campbell & Co Investment Adviser
Maryland
– -$918K -45,849 Closed
AICPI
163
ABG Innovation Capital Partners III
Hong Kong
– -$736K -36,747 Closed
Los Angeles Capital Management
164
Los Angeles Capital Management
California
– -$680K -33,970 Closed
Jane Street
165
Jane Street
New York
– -$614K -30,676 Closed
TC
166
TownSquare Capital
Utah
– -$476K -23,772 Closed
YF
167
Yu Fan
– -$451K -22,503 Closed
Jacobs Levy Equity Management
168
Jacobs Levy Equity Management
New Jersey
– -$426K -21,299 Closed
DTL
169
Dynamic Technology Lab
Singapore
– -$425K -21,235 Closed
Cerity Partners
170
Cerity Partners
New York
– -$423K -21,138 Closed
HSA
171
Hussman Strategic Advisors
Maryland
– -$420K -21,000 Closed
EC
172
EntryPoint Capital
New York
– -$409K -20,432 Closed
Balyasny Asset Management
173
Balyasny Asset Management
Illinois
– -$395K -19,730 Closed
SPA
174
Sherbrooke Park Advisers
New York
– -$389K -19,439 Closed
CC
175
Centiva Capital
New York
– -$336K -16,802 Closed
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