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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 %
KCM
26
Kornitzer Capital Management
Kansas
$5.68M – – –
Goldman Sachs
27
Goldman Sachs
New York
$5.58M +$2M +98,118 +56%
ACM
28
Advisors Capital Management
New Jersey
$5.02M +$902K +44,180 +22%
Charles Schwab
29
Charles Schwab
California
$4.8M -$148K -7,243 -3%
New York State Common Retirement Fund
30
New York State Common Retirement Fund
New York
$4.41M +$1.08M +52,671 +32%
Qube Research & Technologies (QRT)
31
Qube Research & Technologies (QRT)
United Kingdom
$3.93M -$1.77M -86,811 -31%
AG
32
Algert Global
California
$3.78M +$834K +40,870 +28%
Morgan Stanley
33
Morgan Stanley
New York
$3.42M -$903K -44,205 -21%
Allspring Global Investments
34
Allspring Global Investments
North Carolina
$3.29M -$1.16M -56,619 -26%
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$3.03M -$837K -40,987 -22%
Connor, Clark & Lunn Investment Management (CC&L)
36
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.58M -$1.03M -50,458 -29%
Squarepoint
37
Squarepoint
New York
$2.57M +$579K +28,359 +29%
BC
38
Birchview Capital
Vermont
$2.26M +$453K +22,196 +25%
Barclays
39
Barclays
United Kingdom
$2.24M +$1.37M +66,928 +156%
UBS AM
40
UBS AM
Illinois
$2.1M +$709K +34,711 +51%
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$2.03M +$1.1M +54,063 +120%
Franklin Resources
42
Franklin Resources
California
$2.03M +$3.29K +161 +0.2%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$1.84M +$119K +5,842 +7%
YIH
44
Y-Intercept (HK)
Hong Kong
$1.61M +$1.61M +78,938 New
BCI
45
Brinker Capital Investments
Pennsylvania
$1.56M -$38.3K -1,877 -2%
Tudor Investment Corp
46
Tudor Investment Corp
Connecticut
$1.56M -$1.94M -94,928 -55%
Envestnet Asset Management
47
Envestnet Asset Management
Illinois
$1.44M +$14.4K +707 +1%
SSA
48
Schonfeld Strategic Advisors
New York
$1.39M +$169K +8,255 +14%
EGM
49
Engineers Gate Manager
New York
$1.37M +$293K +14,329 +27%
American Century Companies
50
American Century Companies
Missouri
$1.33M -$180K -8,795 -12%
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