CSTL icon

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 %
Nisa Investment Advisors
126
Nisa Investment Advisors
Missouri
$6.53K -$327 -16 -5%
HNB
127
Huntington National Bank
Ohio
$4.02K +$4K +196 +19,600%
RF
128
Rossby Financial
Florida
$2.9K – – –
GI
129
GAMMA Investing
California
$2.7K -$1.76K -86 -39%
VCM
130
Versant Capital Management
Arizona
$2.57K +$2.57K +126 New
Osaic Holdings
131
Osaic Holdings
Arizona
$2.48K -$1.56K -78 -39%
PNC Financial Services Group
132
PNC Financial Services Group
Pennsylvania
$2.25K -$204 -10 -8%
CIAM
133
Caitong International Asset Management
Hong Kong
$2.17K -$1.02K -50 -32%
Daiwa Securities Group
134
Daiwa Securities Group
Japan
$2K – – –
BL
135
BFSG LLC
California
$1.84K – – –
RIL
136
Rothschild Investment LLC
Illinois
$1.74K +$1.33K +65 +325%
PS
137
Principal Securities
Iowa
$1.55K -$286 -14 -16%
IA
138
IFP Advisors
Florida
$1.27K +$1.27K +36 New
SS
139
SBI Securities
Japan
$1.02K -$163 -8 -14%
SWM
140
Spire Wealth Management
Virginia
$1.02K – – –
Lazard Asset Management
141
Lazard Asset Management
New York
$1K -$67.4K -4,856 -99%
EWA
142
EverSource Wealth Advisors
Alabama
$960 – – –
WSFS
143
Wilmington Savings Fund Society
Delaware
$939 – – –
S
144
SignatureFD
Georgia
$919 +$919 +45 New
PFBT
145
Parkside Financial Bank & Trust
Missouri
$511 +$102 +5 +25%
Jones Financial Companies
146
Jones Financial Companies
Missouri
$509 – – –
MTIC
147
Missouri Trust & Investment Company
Missouri
$388 – – –
BIG
148
Brooklyn Investment Group
New York
$225 – – –
AF
149
Allworth Financial
California
$103 +$103 +5 New
SC
150
Stephens Consulting
Michigan
$41 +$41 +2 New
4 5
6
7 8