CASTLEARK MANAGEMENT LLC
Latest 13F filing data - Q4 2025
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | NVDA | 1.41M | $262.62M |
 | RIG | 1.14M | $4.72M |
 | SCHW | 623K | $62.20M |
 | MCHP | 515K | $32.85M |
 | GTX | 514K | $8.97M |
 | RKT | 482K | $9.32M |
 | AMZN | 472K | $108.98M |
 | XERS | 446K | $3.50M |
 | ANET | 411K | $53.89M |
 | ADPT | 391K | $6.35M |
 | PL | 389K | $7.68M |
 | AAPL | 387K | $105.22M |
 | GOOGL | 382K | $119.45M |
 | F | 380K | $4.99M |
 | TDUP | 373K | $2.39M |
 | LRCX | 373K | $63.83M |
 | MSFT | 369K | $178.68M |
 | GTES | 358K | $7.68M |
 | VIAV | 349K | $6.23M |
 | MIR | 348K | $8.15M |
NVIDIA Corporation
NVDA
Shares Held
1.41M
Value
$262.62M
Transocean Ltd.
RIG
Shares Held
1.14M
Value
$4.72M
The Charles Schwab Corporation
SCHW
Shares Held
623K
Value
$62.20M
Microchip Technology Incorporated
MCHP
Shares Held
515K
Value
$32.85M
Garrett Motion Inc.
GTX
Shares Held
514K
Value
$8.97M
Rocket Companies, Inc.
RKT
Shares Held
482K
Value
$9.32M
Amazon.com, Inc.
AMZN
Shares Held
472K
Value
$108.98M
Xeris Biopharma Holdings, Inc.
XERS
Shares Held
446K
Value
$3.50M
Arista Networks, Inc.
ANET
Shares Held
411K
Value
$53.89M
Adaptive Biotechnologies Corporation
ADPT
Shares Held
391K
Value
$6.35M
Planet Labs PBC
PL
Shares Held
389K
Value
$7.68M
Apple Inc.
AAPL
Shares Held
387K
Value
$105.22M
Alphabet Inc.
GOOGL
Shares Held
382K
Value
$119.45M
Ford Motor Company
F
Shares Held
380K
Value
$4.99M
ThredUp Inc.
TDUP
Shares Held
373K
Value
$2.39M
Lam Research Corporation
LRCX
Shares Held
373K
Value
$63.83M
Microsoft Corporation
MSFT
Shares Held
369K
Value
$178.68M
Gates Industrial Corporation plc
GTES
Shares Held
358K
Value
$7.68M
Viavi Solutions Inc.
VIAV
Shares Held
349K
Value
$6.23M
Mirion Technologies, Inc.
MIR
Shares Held
348K
Value
$8.15M