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

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$23M
2
Millennium Management
2
Millennium Management
New York
$17.1M
3
APM
3
Avidity Partners Management
Texas
$0
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$9.57M
5
RI
5
Redwood Investments
Massachusetts
$12.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
AIM
1
ARK Investment Management
Florida
$178M +$36.2M +528,696 +26%
WA
2
Wasatch Advisors
Utah
$161M +$19.8M +288,648 +14%
BlackRock
3
BlackRock
New York
$93.4M +$15.2M +222,089 +19%
Invesco
4
Invesco
Georgia
$70.3M -$6.33M -92,418 -8%
Vanguard Group
5
Vanguard Group
Pennsylvania
$69.5M +$5.79M +84,597 +9%
MCMC
6
Matrix Capital Management Company
New Hampshire
$68.5M – – –
HCMT
7
Highland Capital Management (Texas)
Texas
$62.7M – – –
RI
8
RTW Investments
New York
$54.7M – – –
Wells Fargo
9
Wells Fargo
California
$35.2M -$5.29M -77,215 -13%
PM
10
Pembroke Management
Quebec, Canada
$31.6M +$13.8M +200,976 +77%
GKIM
11
GW&K Investment Management
Massachusetts
$28.9M -$2.08M -30,364 -7%
Goldman Sachs
12
Goldman Sachs
New York
$27.7M +$2.87M +41,869 +12%
Victory Capital Management
13
Victory Capital Management
Texas
$26.5M +$1.84M +26,918 +7%
DCM
14
Driehaus Capital Management
Illinois
$25.9M -$3.55M -51,844 -12%
Select Equity Group
15
Select Equity Group
New York
$24.7M +$24.7M +360,085 New
Fidelity Investments
16
Fidelity Investments
Massachusetts
$23M -$17M -247,706 -42%
NCGI
17
Next Century Growth Investors
Minnesota
$21.8M -$2.22M -32,370 -9%
State Street
18
State Street
Massachusetts
$20.9M +$3.02M +44,056 +17%
WRF
19
Waddell & Reed Financial
Kansas
$20.3M +$20.3M +296,891 New
GIM
20
Granahan Investment Management
Massachusetts
$19.5M +$3.92M +57,233 +25%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$19.2M +$3.29M +48,005 +21%
ZCI
22
Zevenbergen Capital Investments
Washington
$19M +$19M +277,800 New
KCM
23
Kornitzer Capital Management
Kansas
$18.2M +$6.31M +92,115 +53%
Millennium Management
24
Millennium Management
New York
$17.1M -$16M -233,209 -48%
UBS AM
25
UBS AM
Illinois
$13.3M +$233K +3,410 +2%
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