2026 Q2 Portfolio Activity
In 2026 Q2, CASTLEARK MANAGEMENT LLC maintained a portfolio of 351 distinct positions. The most significant new addition was SHARKNINJA INC, now representing 0.52% of the total fund value. They heavily accumulated shares in ADVANCED MICRO DEVICES INC, increasing the position by 33.6%. The fund also reduced its exposure to SCHWAB CHARLES CORP by 98.1%.
Position History
hover any row below to update
Loading…
Total Positions
351
Quarter
2026 Q2
Top Holding
NVDA (7.0%)
Top 10 Concentration
33.9%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 351
CASTLEARK MANAGEMENT LLC Full Holdings List — 2026 Q2
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NVDA
NVIDIA CORPORAT...
|
Technology | 7.01% | 7.26% |
#1
Prev: #1
|
5.3 |
—
|
41,593 | 3.3% |
P
S
|
1,299,605 | $260,037,964 | 2020 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 4.89% | 3.98% |
#2
Prev: #2
|
6.0 |
—
|
89,074 | 21.3% |
P
S
|
507,093 | $181,219,825 | 2015 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AAPL
APPLE INC
|
Technology | 3.68% | 2.94% |
#3
2
Prev: #5
|
5.0 |
—
|
122,097 | 34.9% |
P
S
|
472,108 | $136,609,171 | 2001 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LRCX
LAM RESEARCH CO...
|
Technology | 3.32% | 2.38% |
#4
3
Prev: #7
|
2.3 |
—
|
-52,932 | -15.7% |
P
S
|
283,808 | $122,982,521 | 2018 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 2.94% | 3.23% |
#5
2
Prev: #3
|
3.7 |
—
|
28,668 | 10.9% |
P
S
|
292,770 | $109,209,065 | 1999 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LLY
ELI LILLY & CO
|
Healthcare | 2.84% | 2.24% |
#6
4
Prev: #10
|
3.1 |
—
|
14,219 | 19.4% |
P
S
|
87,697 | $105,186,413 | 2002 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AVGO
BROADCOM INC
|
Technology | 2.48% | 2.08% |
#7
4
Prev: #11
|
3.5 |
—
|
41,192 | 20.3% |
P
S
|
243,896 | $92,131,714 | 2016 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SPIB
SPDR SERIES TRU...
|
Bond/Debt | 2.43% | 2.98% |
#8
4
Prev: #4
|
2.0 |
—
|
no change | no change |
P
S
|
2,688,380 | $89,953,195 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
V
VISA INC
|
Financial Services | 2.18% | 1.54% |
#9
7
Prev: #16
|
3.9 |
—
|
82,340 | 53.5% |
P
S
|
236,166 | $81,026,193 | 2014 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ANET
ARISTA NETWORKS...
|
Technology | 2.17% | 1.75% |
#10
2
Prev: #12
|
2.9 |
—
|
42,384 | 9.8% |
P
S
|
473,319 | $80,407,432 | 2017 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GOVT
ISHARES TR
|
ETF | 2.04% | 2.52% |
#11
5
Prev: #6
|
1.8 |
—
|
no change | no change |
P
S
|
3,329,569 | $75,847,582 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
VMBS
VANGUARD SCOTTS...
|
ETF | 1.88% | 2.31% |
#12
3
Prev: #9
|
1.8 |
—
|
no change | no change |
P
S
|
1,487,800 | $69,643,918 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AMD
ADVANCED MICRO ...
|
Technology | 1.86% | 0.60% |
#13
22
Prev: #35
|
3.2 |
—
|
29,911 | 33.6% |
P
S
|
118,865 | $69,049,867 | 2000 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GILD
GILEAD SCIENCES...
|
Healthcare | 1.80% | 1.58% |
#14
Prev: #14
|
3.7 |
—
|
185,392 | 54.2% |
P
S
|
527,542 | $66,649,656 | 2001 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 1.72% | 1.69% |
#15
2
Prev: #13
|
2.7 |
—
|
22,388 | 9.1% |
P
S
|
268,249 | $63,934,467 | 2008 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GEV
GE VERNOVA INC
|
Industrials | 1.46% | 1.20% |
#16
4
Prev: #20
|
2.6 |
—
|
4,612 | 11.1% |
P
S
|
46,101 | $54,162,221 | 2024 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
META
META PLATFORMS ...
|
Communication Services | 1.42% | 2.35% |
#17
9
Prev: #8
|
0.6 |
—
|
-30,221 | -24.4% |
P
S
|
93,744 | $52,805,058 | 2014 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 1.29% | 0.82% |
#18
11
Prev: #29
|
3.5 |
—
|
43,026 | 55.2% |
P
S
|
120,934 | $48,031,357 | 2009 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 1.27% | 1.52% |
#19
2
Prev: #17
|
1.0 |
—
|
-551 | -0.6% |
P
S
|
91,462 | $46,974,883 | 2007 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MS
MORGAN STANLEY
|
Financial Services | 1.18% | 0.13% |
#20
145
Prev: #165
|
3.5 |
—
|
184,862 | 780.7% |
P
S
|
208,542 | $43,593,620 | 2004 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SNOW
SNOWFLAKE INC
|
Technology | 1.14% | 0.68% |
#21
11
Prev: #32
|
3.0 |
—
|
30,774 | 22.6% |
P
S
|
166,818 | $42,455,181 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
VRT
VERTIV HOLDINGS...
|
Industrials | 1.12% | 0.93% |
#22
4
Prev: #26
|
2.4 |
—
|
11,538 | 10.3% |
P
S
|
123,901 | $41,484,533 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TPR
TAPESTRY INC
|
Consumer Cyclical | 1.05% | 0.95% |
#23
Prev: #23
|
2.9 |
—
|
61,279 | 30.0% |
P
S
|
265,749 | $38,900,339 | 2017 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SPTS
SPDR SERIES TRU...
|
ETF | 1.04% | 1.29% |
#24
6
Prev: #18
|
1.4 |
—
|
no change | no change |
P
S
|
1,334,080 | $38,701,661 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
VCLT
VANGUARD SCOTTS...
|
ETF | 0.91% | 1.11% |
#25
4
Prev: #21
|
1.4 |
—
|
no change | no change |
P
S
|
448,330 | $33,736,833 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
NOW
SERVICENOW INC
|
Technology | 0.86% | 1.05% |
#26
4
Prev: #22
|
2.3 |
—
|
17,867 | 5.9% |
P
S
|
321,623 | $31,930,731 | 2014 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TLH
ISHARES TR
|
ETF | 0.70% | 0.86% |
#27
1
Prev: #28
|
1.3 |
—
|
no change | no change |
P
S
|
258,432 | $25,933,651 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BKNG
BOOKING HOLDING...
|
Consumer Cyclical | 0.66% | 0.68% |
#28
3
Prev: #31
|
3.3 |
—
|
131,880 | 2693.6% |
P
S
|
136,776 | $24,378,954 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MCO
MOODYS CORP
|
Financial Services | 0.65% | 0.24% |
#29
72
Prev: #101
|
3.3 |
—
|
36,544 | 216.2% |
P
S
|
53,444 | $24,205,856 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TSLA
TESLA INC
|
Consumer Cyclical | 0.55% | 0.48% |
#30
12
Prev: #42
|
2.7 |
—
|
8,890 | 22.7% |
P
S
|
48,070 | $20,218,242 | 2017 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
CAT
CATERPILLAR INC
|
Industrials | 0.54% | 0.33% |
#31
29
Prev: #60
|
2.7 |
—
|
5,060 | 36.4% |
P
S
|
18,980 | $20,211,802 | 2004 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GE
GE AEROSPACE
|
Industrials | 0.53% | 0.29% |
#32
43
Prev: #75
|
3.2 |
—
|
22,150 | 72.2% |
P
S
|
52,830 | $19,744,156 | 1999 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TSM
TAIWAN SEMICOND...
|
Technology | 0.53% | 0.46% |
#33
12
Prev: #45
|
1.2 |
—
|
no change | no change |
P
S
|
41,210 | $19,680,660 | 2002 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
LGND
LIGAND PHARMACE...
|
Healthcare | 0.53% | 0.32% |
#34
27
Prev: #61
|
2.7 |
—
|
13,347 | 27.4% |
P
S
|
62,043 | $19,611,172 | 2013 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SN
SHARKNINJA INC
|
Consumer Cyclical | 0.52% | — |
#35
Prev: #—
|
3.7 |
—
|
127,170 | — |
NEW
|
127,170 | $19,364,176 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MBB
ISHARES TR
|
ETF | 0.52% | 0.64% |
#36
3
Prev: #33
|
1.2 |
—
|
no change | no change |
P
S
|
204,235 | $19,304,292 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TWLO
TWILIO INC
|
Technology | 0.51% | 0.11% |
#37
139
Prev: #176
|
3.2 |
—
|
65,630 | 245.3% |
P
S
|
92,390 | $19,062,829 | 2018 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BKR
BAKER HUGHES CO...
|
Energy | 0.49% | 0.78% |
#38
8
Prev: #30
|
0.7 |
—
|
-57,170 | -14.8% |
P
S
|
330,020 | $18,316,110 | 2021 Q3 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GTX
GARRETT MOTION ...
|
Consumer Cyclical | 0.46% | 0.29% |
#39
33
Prev: #72
|
0.7 |
—
|
-18,530 | -3.8% |
P
S
|
469,470 | $17,008,898 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
JPM
JPMORGAN CHASE ...
|
Financial Services | 0.45% | 0.49% |
#40
Prev: #40
|
1.2 |
—
|
no change | no change |
P
S
|
50,525 | $16,538,348 | 2003 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
N/A
ASCENDIS PHARMA...
|
|
Unknown | 0.44% | — |
#41
Prev: #—
|
3.7 |
—
|
61,696 | — |
NEW
|
61,696 | $16,455,557 | — | 13F Filing | 2026-06-30 | 2026-08-14 | ||
|
JBHT
HUNT J B TRANS ...
|
Industrials | 0.44% | 0.16% |
#42
109
Prev: #151
|
3.2 |
—
|
33,920 | 150.1% |
P
S
|
56,520 | $16,358,584 | 2008 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FANG
DIAMONDBACK ENE...
|
Energy | 0.43% | 0.95% |
#43
19
Prev: #24
|
0.2 |
—
|
-54,340 | -37.5% |
P
S
|
90,680 | $15,939,730 | 2014 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
GM
GENERAL MTRS CO
|
Consumer Cyclical | 0.41% | 0.24% |
#44
56
Prev: #100
|
3.2 |
—
|
100,160 | 100.9% |
P
S
|
199,440 | $15,372,835 | 2021 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
BTSG
BRIGHTSPRING HE...
|
Healthcare | 0.40% | 0.35% |
#45
12
Prev: #57
|
0.7 |
—
|
-34,770 | -14.1% |
P
S
|
212,430 | $14,814,868 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
SMTC
SEMTECH CORP
|
Technology | 0.40% | 0.27% |
#46
36
Prev: #82
|
0.7 |
—
|
-16,540 | -15.3% |
P
S
|
91,218 | $14,763,633 | 1999 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
FCFS
FIRSTCASH HOLDI...
|
Financial Services | 0.40% | 0.44% |
#47
2
Prev: #49
|
0.7 |
—
|
-2,540 | -3.6% |
P
S
|
68,190 | $14,750,861 | 2018 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
MAR
MARRIOTT INTL I...
|
Consumer Cyclical | 0.38% | 0.09% |
#48
140
Prev: #188
|
3.2 |
—
|
29,550 | 353.5% |
P
S
|
37,910 | $14,049,067 | 2005 Q2 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
IGIB
ISHARES TR
|
ETF | 0.37% | 0.46% |
#49
3
Prev: #46
|
1.1 |
—
|
no change | no change |
P
S
|
259,994 | $13,823,881 | 2024 Q4 | 13F Filing | 2026-06-30 | 2026-08-14 | |||
|
TJX
TJX COS INC NEW
|
Consumer Cyclical | 0.37% | 0.48% |
#50
7
Prev: #43
|
1.1 |
—
|
no change | no change |
P
S
|
90,620 | $13,728,930 | 2007 Q1 | 13F Filing | 2026-06-30 | 2026-08-14 |
Showing 1-50 of 351 holdings