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CASTLEARK MANAGEMENT LLC

Q2 2026 13F filing

Updated 28 days ago

309 disclosed positions worth $3.7B

Portfolio value
$3.7B
Total holdings
309
New positions
59
Closed positions
42
Increased
71
Decreased
88
Turnover
32.7%
Filed
2026-08-14

Full holdings

Every line item disclosed in Q2 2026

N

NVIDIA CORPORATION

+3.3%
Value
$260M
Shares
1.30M
% Port
7.01%
G

ALPHABET INC

+21.3%
Value
$181.2M
Shares
507.1K
% Port
4.89%
A

APPLE INC

+34.9%
Value
$136.6M
Shares
472.1K
% Port
3.68%
L

LAM RESEARCH CORP

-15.7%
Value
$123M
Shares
283.8K
% Port
3.32%
M

MICROSOFT CORP

+10.8%
Value
$109.2M
Shares
292.8K
% Port
2.94%
L
6.LLY

ELI LILLY & CO

+19.4%
Value
$105.2M
Shares
87.7K
% Port
2.84%
A

BROADCOM INC

+20.3%
Value
$92.1M
Shares
243.9K
% Port
2.48%
S

SPDR SERIES TRUST

Unchanged
Value
$90M
Shares
2.69M
% Port
2.42%
V
9.V

VISA INC

+53.5%
Value
$81M
Shares
236.2K
% Port
2.18%
A
10.ANET

ARISTA NETWORKS INC

+9.8%
Value
$80.4M
Shares
473.3K
% Port
2.17%
E
11.ETHA

ISHARES TR

Unchanged
Value
$75.8M
Shares
3.33M
% Port
2.04%
V
12.VGES

VANGUARD SCOTTSDALE FDS

Unchanged
Value
$69.6M
Shares
1.49M
% Port
1.88%
A
13.AMD

ADVANCED MICRO DEVICES INC

+33.6%
Value
$69M
Shares
118.9K
% Port
1.86%
G
14.GILD

GILEAD SCIENCES INC

+54.2%
Value
$66.6M
Shares
527.5K
% Port
1.80%
A
15.AMZN

AMAZON COM INC

+9.1%
Value
$63.9M
Shares
268.2K
% Port
1.72%
G
16.GEV

GE VERNOVA INC

+11.1%
Value
$54.2M
Shares
46.1K
% Port
1.46%
M
17.META

META PLATFORMS INC

-24.4%
Value
$52.8M
Shares
93.7K
% Port
1.42%
A
18.ADI

ANALOG DEVICES INC

+55.2%
Value
$48M
Shares
120.9K
% Port
1.29%
M
19.MA

MASTERCARD INCORPORATED

-0.6%
Value
$47M
Shares
91.5K
% Port
1.27%
M

MORGAN STANLEY

+780.7%
Value
$43.6M
Shares
208.5K
% Port
1.18%
S
21.SNOW

SNOWFLAKE INC

+22.6%
Value
$42.5M
Shares
166.8K
% Port
1.14%
V
22.VRT

VERTIV HOLDINGS CO

+10.3%
Value
$41.5M
Shares
123.9K
% Port
1.12%
T
23.TPR

TAPESTRY INC

+30.0%
Value
$38.9M
Shares
265.7K
% Port
1.05%
S

SPDR SERIES TRUST

Unchanged
Value
$38.7M
Shares
1.33M
% Port
1.04%
V
25.VGES

VANGUARD SCOTTSDALE FDS

Unchanged
Value
$33.7M
Shares
448.3K
% Port
0.91%
N
26.NOW

SERVICENOW INC

+5.9%
Value
$31.9M
Shares
321.6K
% Port
0.86%
E
27.ETHA

ISHARES TR

Unchanged
Value
$25.9M
Shares
258.4K
% Port
0.70%
B
28.BKNG

BOOKING HOLDINGS INC

+2693.6%
Value
$24.4M
Shares
136.8K
% Port
0.66%
M
29.MCO

MOODYS CORP

+216.2%
Value
$24.2M
Shares
53.4K
% Port
0.65%
T
30.TSLA

TESLA INC

+22.7%
Value
$20.2M
Shares
48.1K
% Port
0.55%
C
31.CAT

CATERPILLAR INC

+36.4%
Value
$20.2M
Shares
19.0K
% Port
0.54%
G
32.GE

GE AEROSPACE

+72.2%
Value
$19.7M
Shares
52.8K
% Port
0.53%
T

TAIWAN SEMICONDUCTOR MANUFAC

Unchanged
Value
$19.7M
Shares
41.2K
% Port
0.53%
L

LIGAND PHARMACEUTICALS INC

+27.4%
Value
$19.6M
Shares
62.0K
% Port
0.53%
S
35.SN

SHARKNINJA INC

Value
$19.4M
Shares
127.2K
% Port
0.52%
E
36.ETHA

ISHARES TR

Unchanged
Value
$19.3M
Shares
204.2K
% Port
0.52%
T
37.TWLO

TWILIO INC

+245.3%
Value
$19.1M
Shares
92.4K
% Port
0.51%
B
38.BKR

BAKER HUGHES COMPANY

-14.8%
Value
$18.3M
Shares
330.0K
% Port
0.49%
G
39.GTX

GARRETT MOTION INC

-3.8%
Value
$17M
Shares
469.5K
% Port
0.46%
J

JPMORGAN CHASE & CO

Unchanged
Value
$16.5M
Shares
50.5K
% Port
0.45%
A
41.ASND

ASCENDIS PHARMA A/S

Value
$16.5M
Shares
61.7K
% Port
0.44%
H
42.HUM

HUNT J B TRANS SVCS INC

+150.1%
Value
$16.4M
Shares
56.5K
% Port
0.44%
F
43.FANG

DIAMONDBACK ENERGY INC

-37.5%
Value
$15.9M
Shares
90.7K
% Port
0.43%
G
44.GM

GENERAL MTRS CO

+100.9%
Value
$15.4M
Shares
199.4K
% Port
0.41%
B

BRIGHTSPRING HEALTH SVCS INC

-14.1%
Value
$14.8M
Shares
212.4K
% Port
0.40%
S
46.SMTC

SEMTECH CORP

-15.3%
Value
$14.8M
Shares
91.2K
% Port
0.40%
F
47.FCFS

FIRSTCASH HOLDINGS INC

-3.6%
Value
$14.8M
Shares
68.2K
% Port
0.40%
M
48.MAR

MARRIOTT INTL INC NEW

+353.5%
Value
$14M
Shares
37.9K
% Port
0.38%
E
49.ETHA

ISHARES TR

Unchanged
Value
$13.8M
Shares
260.0K
% Port
0.37%
T
50.TJX

TJX COS INC NEW

Unchanged
Value
$13.7M
Shares
90.6K
% Port
0.37%