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Castle Biosciences
CSTL

Overview Fund Activity

180 hedge funds and large institutions have $516M invested in Castle Biosciences in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 76 increasing their positions, 54 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
180
Holders Change
-17
Holders Change %
-8.63%
% of All Funds
2.45%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
30
Increased
76
Reduced
54
Closed
43
Calls
$200K
Puts
$112K
Net Calls
+$88K
Net Calls Change
-$2.62M

Top Buyers

1
Schroder Investment Management Group
1
Schroder Investment Management Group
United Kingdom
$11.9M
2
PWAM
2
Park West Asset Management
California
$11.1M
3
PCM
3
Portolan Capital Management
Massachusetts
$25.3M
4
B
4
Braidwell
Connecticut
$7.31M
5
Allianz Asset Management
5
Allianz Asset Management
Germany
$12.8M

Top Sellers

1
WA
1
Wasatch Advisors
Utah
$20M
2
UBS Group
2
UBS Group
Switzerland
$976K
3
Citadel Advisors
3
Citadel Advisors
Florida
$5.17M
4
BG
4
Bellevue Group
Switzerland
$6.03M
5
SCM
5
Soleus Capital Management
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
26
Millennium Management
New York
$5.1M -$5.89M -294,060 -54%
TI
27
Trexquant Investment
Connecticut
$4.98M +$909K +45,420 +22%
Charles Schwab
28
Charles Schwab
California
$4.85M -$332K -16,608 -6%
CSS
29
Cubist Systematic Strategies
Connecticut
$4.76M +$1.2M +60,161 +34%
Point72 Asset Management
30
Point72 Asset Management
Connecticut
$4.73M -$6.22M -310,886 -57%
Allspring Global Investments
31
Allspring Global Investments
North Carolina
$4.36M +$4.16M +207,761 +2,071%
Morgan Stanley
32
Morgan Stanley
New York
$4.24M -$1.9M -94,884 -31%
ACM
33
Advisors Capital Management
New Jersey
$4.04M +$455K +22,752 +13%
SAM
34
Silvercrest Asset Management
New York
$3.98M -$23K -1,148 -0.6%
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$3.79M +$1.97M +98,614 +109%
Connor, Clark & Lunn Investment Management (CC&L)
36
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.54M +$164K +8,176 +5%
Goldman Sachs
37
Goldman Sachs
New York
$3.51M -$5.15M -257,425 -59%
Tudor Investment Corp
38
Tudor Investment Corp
Connecticut
$3.43M +$2.03M +101,306 +145%
SCM
39
Shelton Capital Management
Colorado
$3.28M – – –
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$3.27M -$519K -25,942 -14%
AG
41
Algert Global
California
$2.89M -$104K -5,180 -3%
Two Sigma Investments
42
Two Sigma Investments
New York
$2.8M +$2.8M +139,785 New
AQR Capital Management
43
AQR Capital Management
Connecticut
$2.74M +$2.32M +115,907 +549%
Franklin Resources
44
Franklin Resources
California
$1.98M +$509K +25,449 +35%
Squarepoint
45
Squarepoint
New York
$1.95M +$1.6M +80,043 +462%
BC
46
Birchview Capital
Vermont
$1.77M +$208K +10,404 +13%
Bank of New York Mellon
47
Bank of New York Mellon
New York
$1.68M -$8.37K -418 -0.5%
OPS
48
Orion Portfolio Solutions
Nebraska
$1.57M +$202K +10,093 +15%
BCI
49
Brinker Capital Investments
Pennsylvania
$1.57M +$202K +10,093 +15%
ECM
50
ExodusPoint Capital Management
New York
$1.55M +$1.32M +66,079 +575%
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