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Castle Biosciences
CSTL

Overview Fund Activity

153 hedge funds and large institutions have $526M invested in Castle Biosciences in 2023 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 55 increasing their positions, 45 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
153
Holders Change
+18
Holders Change %
+13.33%
% of All Funds
2.24%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
37
Increased
55
Reduced
45
Closed
18
Calls
$148K
Puts
$80K
Net Calls
+$68K
Net Calls Change
-$491K

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$20.6M
2
PCM
2
Portolan Capital Management
Massachusetts
$15.7M
3
NCGI
3
Next Century Growth Investors
Minnesota
$4.62M
4
IECM
4
Intrinsic Edge Capital Management
Illinois
$7.04M
5
BlackRock
5
BlackRock
New York
$49.3M

Top Sellers

1
GIM
1
Granahan Investment Management
Massachusetts
$46.8M
2
SCM
2
Soleus Capital Management
Connecticut
$561K
3
WA
3
Wasatch Advisors
Utah
$55.9M
4
Citadel Advisors
4
Citadel Advisors
Florida
$7.09M
5
Walleye Capital
5
Walleye Capital
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Marshall Wace
51
Marshall Wace
United Kingdom
$969K +$969K +44,900 New
AllianceBernstein
52
AllianceBernstein
Tennessee
$964K – – –
N
53
Numerai
California
$949K -$522K -24,184 -35%
SI
54
Stephens Inc
Arkansas
$940K -$1.15M -53,372 -55%
Jane Street
55
Jane Street
New York
$936K +$487K +22,560 +109%
UBS Group
56
UBS Group
Switzerland
$895K +$506K +23,436 +130%
Barclays
57
Barclays
United Kingdom
$850K +$656K +30,398 +338%
CAPTRUST Financial Advisors
58
CAPTRUST Financial Advisors
North Carolina
$829K -$6.99K -324 -0.8%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$818K +$1.3K +60 +0.2%
AICPI
60
ABG Innovation Capital Partners III
Hong Kong
$793K +$67.4K +3,121 +9%
CS
61
Credit Suisse
Switzerland
$735K +$99.2K +4,598 +16%
PCM
62
Perkins Capital Management
Minnesota
$694K +$64.3K +2,980 +10%
Invesco
63
Invesco
Georgia
$694K -$82K -3,801 -11%
Two Sigma Advisers
64
Two Sigma Advisers
New York
$693K -$527K -24,400 -43%
Russell Investments Group
65
Russell Investments Group
United Kingdom
$690K +$64.7K +2,998 +10%
RA
66
Royce & Associates
New York
$683K +$191K +8,833 +39%
EGM
67
Engineers Gate Manager
New York
$675K +$675K +31,267 New
SQA
68
Simon Quick Advisors
New Jersey
$627K – – –
UBS AM
69
UBS AM
Illinois
$588K – – –
PA
70
Parallel Advisors
California
$582K – – –
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$578K -$24K -1,112 -4%
American Century Companies
72
American Century Companies
Missouri
$576K +$196K +9,078 +51%
Susquehanna International Group
73
Susquehanna International Group
Pennsylvania
$574K +$574K +26,600 New
SCM
74
Soleus Capital Management
Connecticut
$561K -$5.56M -257,500 -91%
PI
75
Putnam Investments
Massachusetts
$540K -$17K -789 -3%
1 2
3
4 5