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Castle Biosciences
CSTL

Overview Fund Activity

67 hedge funds and large institutions have $176M invested in Castle Biosciences in 2019 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 28 increasing their positions, 12 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
67
Holders Change
+10
Holders Change %
+17.54%
% of All Funds
1.32%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
23
Increased
28
Reduced
12
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BlackRock
1
BlackRock
New York
$15M
2
PCM
2
Portolan Capital Management
Massachusetts
$10.5M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$6.13M
4
WA
4
Wasatch Advisors
Utah
$12.9M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$6.89M

Top Sellers

1
NAM
1
Nexpoint Asset Management
Texas
$24.3M
2
Alyeska Investment Group
2
Alyeska Investment Group
Illinois
$551K
3
RI
3
RTW Investments
New York
$21.7M
4
Millennium Management
4
Millennium Management
New York
$0
5
PVI
5
Pura Vida Investments
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
NAM
1
Nexpoint Asset Management
Texas
$24.3M -$11.1M -323,963 -31%
RI
2
RTW Investments
New York
$21.7M -$3.92M -113,973 -15%
BlackRock
3
BlackRock
New York
$15M +$7.84M +228,228 +110%
WA
4
Wasatch Advisors
Utah
$12.9M +$3.47M +100,856 +37%
DCM
5
Driehaus Capital Management
Illinois
$12.6M +$2.93M +85,231 +30%
PCM
6
Portolan Capital Management
Massachusetts
$10.5M +$6.21M +180,647 +145%
Goldman Sachs
7
Goldman Sachs
New York
$10.5M +$84.8K +2,467 +0.8%
AIM
8
ARK Investment Management
Florida
$7.08M +$1.37M +39,927 +24%
Vanguard Group
9
Vanguard Group
Pennsylvania
$6.89M +$3.01M +87,589 +78%
Lord, Abbett & Co
10
Lord, Abbett & Co
New Jersey
$6.13M +$6.13M +178,196 New
Federated Hermes
11
Federated Hermes
Pennsylvania
$4.8M +$2.57M +74,747 +115%
Nuveen Asset Management
12
Nuveen Asset Management
Illinois
$3.94M -$1.74M -50,569 -31%
Calamos Advisors
13
Calamos Advisors
Illinois
$3.52M +$2.43M +70,845 +224%
ACH
14
ArrowMark Colorado Holdings
Colorado
$2.7M +$297K +8,655 +12%
EI
15
EAM Investors
California
$2.25M +$1.08M +31,407 +92%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$2.02M +$715K +20,804 +55%
Northern Trust
17
Northern Trust
Illinois
$1.94M +$182K +5,287 +10%
EIM
18
Essex Investment Management
Massachusetts
$1.86M +$32.5K +945 +2%
Russell Investments Group
19
Russell Investments Group
United Kingdom
$1.84M +$1.25M +36,305 +210%
GIM
20
Granahan Investment Management
Massachusetts
$1.82M +$1.82M +52,863 New
OAM
21
Oberweis Asset Management
Illinois
$1.76M +$1.76M +51,200 New
State Street
22
State Street
Massachusetts
$1.76M +$519K +15,091 +42%
ZP
23
Zimmer Partners
New York
$1.75M – – –
EGI
24
EAM Global Investors
California
$1.7M +$185K +5,383 +12%
Squarepoint
25
Squarepoint
New York
$1.67M +$1.67M +48,690 New
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