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Castle Biosciences
CSTL

Overview Fund Activity

174 hedge funds and large institutions have $1.46B invested in Castle Biosciences in 2021 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 73 increasing their positions, 53 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
174
Holders Change
+12
Holders Change %
+7.41%
% of All Funds
3.06%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
35
Increased
73
Reduced
53
Closed
23
Calls
$2.37M
Puts
$12.1M
Net Calls
-$9.74M
Net Calls Change
-$14.8M

Top Buyers

1
AIM
ARK Investment Management
Florida
$178M
2
Select Equity Group
Select Equity Group
New York
$24.7M
3
WRF
Waddell & Reed Financial
Kansas
$20.3M
4
WA
Wasatch Advisors
Utah
$161M
5
ZCI
Zevenbergen Capital Investments
Washington
$19M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$23M
2
Millennium Management
Millennium Management
New York
$17.1M
3
APM
Avidity Partners Management
Texas
$0
4
Federated Hermes
Federated Hermes
Pennsylvania
$9.57M
5
RI
Redwood Investments
Massachusetts
$12.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
PCM
176
Pinz Capital Management
New York
– -$3.52M -52,400 Closed
EGI
177
EAM Global Investors
California
– -$2.49M -37,141 Closed
RA
178
Royce & Associates
New York
– -$2.35M -35,000 Closed
EI
179
EAM Investors
California
– -$1.77M -26,357 Closed
MIM
180
Monashee Investment Management
Massachusetts
– -$1.68M -25,000 Closed
PHP
181
Parkman Healthcare Partners
Connecticut
– -$1.53M -22,831 Closed
FAM
182
Fred Alger Management
New York
– -$1.47M -21,839 Closed
Marshall Wace
183
Marshall Wace
United Kingdom
– -$1.34M -19,995 Closed
PCM
184
Portolan Capital Management
Massachusetts
– -$1.11M -16,573 Closed
PAM
185
Panagora Asset Management
Massachusetts
– -$1.08M -16,119 Closed
ZCM
186
Zebra Capital Management
Connecticut
– -$1.03M -15,310 Closed
ZIM
187
Zacks Investment Management
Illinois
– -$985K -14,673 Closed
Ensign Peak Advisors
188
Ensign Peak Advisors
Utah
– -$840K -12,505 Closed
HF
189
HRT Financial
New York
– -$592K -8,821 Closed
CRC
190
Curi RMB Capital
Illinois
– -$431K -6,423 Closed
Balyasny Asset Management
191
Balyasny Asset Management
Illinois
– -$385K -5,726 Closed
OFG
192
Oxford Financial Group
Indiana
– -$362K -5,394 Closed
Acadian Asset Management
193
Acadian Asset Management
Massachusetts
– -$357K -5,315 Closed
LCM
194
Laurion Capital Management
New York
– -$336K -5,000 Closed
ASN
195
Advisory Services Network
Georgia
– -$20K -306 Closed
PI
196
PEAK6 Investments
Illinois
– -$10K -147 Closed
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