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FG
Formula Growth’s
Castle Biosciences
CSTL
Stock Holding History
Formula Growth’s Portfolio
CSTL Stock Details
CSTL Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$1.13M
Buy
+46,000
New
+$1.51M
0.51%
77
Other funds holding CSTL
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
RI
RTW Investments
New York
$10B AUM
135.35%
1-Year Est. Return
Principal Financial Group
Des Moines, Iowa
$187B AUM
18.48%
1-Year Est. Return
PCM
Portolan Capital Management
Boston, Massachusetts
$1.88B AUM
115.74%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Dimensional Fund Advisors
Austin, Texas
$481B AUM
30.42%
1-Year Est. Return
SPPAM
Summit Partners Public Asset Management
Boston, Massachusetts
$2.16B AUM
162.29%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Allianz Asset Management
Munich, Germany
$86.6B AUM
38.74%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Sign up
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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