CSTL icon

Castle Biosciences

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

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

9% less funds holding

Funds holding: 197180 (-17)

27% less capital invested

Capital invested by funds: $706M → $516M (-$190M)

30% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 43

Holders
180
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$200K
Puts
$112K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
American Century Companies
51
American Century Companies
Missouri
$1.48M
SEI Investments
52
SEI Investments
Pennsylvania
$1.46M
Envestnet Asset Management
53
Envestnet Asset Management
Illinois
$1.4M
Two Sigma Advisers
54
Two Sigma Advisers
New York
$1.39M
GCM
55
Graham Capital Management
Connecticut
$1.37M
UBS AM
56
UBS AM
Illinois
$1.36M
GCP
57
GSA Capital Partners
United Kingdom
$1.34M
Deutsche Bank
58
Deutsche Bank
Germany
$1.31M
Citigroup
59
Citigroup
New York
$1.26M
SSA
60
Schonfeld Strategic Advisors
New York
$1.19M
JCIA
61
Jackson Creek Investment Advisors
Colorado
$1.14M
Swiss National Bank
62
Swiss National Bank
Switzerland
$1.09M
EGM
63
Engineers Gate Manager
New York
$1.06M
DFCM
64
Dark Forest Capital Management
Puerto Rico
$1.04M
UBS Group
65
UBS Group
Switzerland
$976K
CCIA
66
Campbell & Co Investment Adviser
Maryland
$918K
BNP Paribas Financial Markets
67
BNP Paribas Financial Markets
France
$906K
Barclays
68
Barclays
United Kingdom
$857K
TW
69
TritonPoint Wealth
Maryland
$834K
RhumbLine Advisers
70
RhumbLine Advisers
Massachusetts
$784K
NRD
71
Nebula Research & Development
New York
$753K
AICPI
72
ABG Innovation Capital Partners III
Hong Kong
$736K
Susquehanna International Group
73
Susquehanna International Group
Pennsylvania
$719K
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
74
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$717K
Los Angeles Capital Management
75
Los Angeles Capital Management
California
$680K