AI Portfolio Summary
In 2025 Q4, CASTLEARK MANAGEMENT LLC maintained a portfolio of 347 distinct positions. The most significant new addition to the portfolio was ULTA BEAUTY INC, which now represents 0.89% of the total fund value. They heavily accumulated shares in NVIDIA CORPORATION, increasing their position by 2.2%. The fund also reduced its exposure to LAM RESEARCH CORP by 26.0%.
Total Positions
347
Quarter
2025 Q4
Top Holding
NVDA (7.7%)
Top 10 Concentration
34.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 347
| 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 | 7.71% | 7.21% |
#1
1
Prev: #2
|
5.6 | 30,630 | 2.2% |
P
S
|
1,408,146 | $262,619,229 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
MICROSOFT CORP
|
Technology | 5.25% | 5.25% |
#2
1
Prev: #3
|
4.1 | 7,856 | 2.2% |
P
S
|
369,460 | $178,678,245 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 3.51% | 2.55% |
#3
3
Prev: #6
|
2.9 | 7,760 | 2.1% |
P
S
|
381,639 | $119,453,007 | 2015 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 3.20% | 2.40% |
#4
3
Prev: #7
|
4.3 | 81,542 | 20.9% |
P
S
|
472,149 | $108,981,432 | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
APPLE INC
|
Technology | 3.09% | 2.71% |
#5
Prev: #5
|
2.2 | 7,020 | 1.8% |
P
S
|
387,041 | $105,220,966 | 2001 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LLY
ELI LILLY & CO
|
Healthcare | 2.57% | 0.95% |
#6
16
Prev: #22
|
4.0 | 37,025 | 83.1% |
P
S
|
81,578 | $87,670,245 | 2002 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPIB
SPDR SERIES TRU...
|
ETF | 2.50% | 2.39% |
#7
1
Prev: #8
|
2.0 | no change | no change |
P
S
|
2,519,370 | $85,179,900 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
META PLATFORMS ...
|
Communication Services | 2.37% | 3.03% |
#8
4
Prev: #4
|
1.4 | -24,960 | -16.9% |
P
S
|
122,415 | $80,804,917 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VMBS
VANGUARD SCOTTS...
|
ETF | 2.36% | 2.25% |
#9
Prev: #9
|
1.9 | no change | no change |
P
S
|
1,705,540 | $80,296,823 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOVT
ISHARES TR
|
ETF | 2.25% | 2.11% |
#10
Prev: #10
|
1.4 | 71,470 | 2.2% |
P
S
|
3,329,569 | $76,663,326 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AVGO
BROADCOM INC
|
Technology | 2.09% | 1.90% |
#11
Prev: #11
|
1.3 | -6 | -0.0% |
P
S
|
205,880 | $71,255,068 | 2016 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LRCX
LAM RESEARCH CO...
|
Technology | 1.87% | 1.89% |
#12
Prev: #12
|
0.7 | -131,244 | -26.0% |
P
S
|
372,876 | $63,828,914 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SCHW
SCHWAB CHARLES ...
|
Financial Services | 1.83% | 1.64% |
#13
2
Prev: #15
|
1.2 | 10,861 | 1.8% |
P
S
|
622,535 | $62,197,472 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
V
VISA INC
|
Financial Services | 1.76% | 1.60% |
#14
3
Prev: #17
|
1.2 | 3,388 | 2.0% |
P
S
|
170,478 | $59,788,339 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 1.72% | 1.60% |
#15
1
Prev: #16
|
1.2 | 2,122 | 2.1% |
P
S
|
102,451 | $58,487,227 | 2007 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SHOP
SHOPIFY INC
|
Technology | 1.63% | 1.41% |
#16
2
Prev: #18
|
1.2 | 7,138 | 2.1% |
P
S
|
345,382 | $55,596,141 | 2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ANET
ARISTA NETWORKS...
|
Technology | 1.58% | 1.64% |
#17
3
Prev: #14
|
1.1 | 8,798 | 2.2% |
P
S
|
411,277 | $53,889,625 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NOW
SERVICENOW INC
|
Technology | 1.22% | 1.37% |
#18
1
Prev: #19
|
3.5 | 217,442 | 410.4% |
P
S
|
270,420 | $41,425,640 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPTS
SPDR SERIES TRU...
|
ETF | 1.15% | 1.10% |
#19
2
Prev: #21
|
1.5 | no change | no change |
P
S
|
1,334,080 | $39,061,862 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BX
BLACKSTONE INC
|
Financial Services | 1.11% | 1.15% |
#20
Prev: #20
|
0.9 | 5,094 | 2.1% |
P
S
|
244,268 | $37,651,470 | 2019 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GILD
GILEAD SCIENCES...
|
Healthcare | 1.00% | 0.44% |
#21
18
Prev: #39
|
3.4 | 136,296 | 96.6% |
P
S
|
277,328 | $34,039,239 | 2001 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EFA
ISHARES TR
|
ETF | 0.98% | 0.91% |
#22
2
Prev: #24
|
1.4 | no change | no change |
P
S
|
347,580 | $33,378,107 | 2007 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SNOW
SNOWFLAKE INC
|
Technology | 0.97% | 0.94% |
#23
Prev: #23
|
0.9 | 3,082 | 2.1% |
P
S
|
151,192 | $33,165,477 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MCHP
MICROCHIP TECHN...
|
Technology | 0.96% | 0.85% |
#24
1
Prev: #25
|
2.4 | 43,150 | 9.1% |
P
S
|
515,494 | $32,847,278 | 2002 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GEV
GE VERNOVA INC
|
Industrials | 0.92% | 0.80% |
#25
1
Prev: #26
|
0.9 | 1,168 | 2.5% |
P
S
|
47,741 | $31,202,085 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ULTA
ULTA BEAUTY INC
|
Consumer Cyclical | 0.89% | — |
#26
Prev: #—
|
3.9 | 49,941 | no change |
NEW
|
49,941 | $30,214,804 | 2008 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BKNG
BOOKING HOLDING...
|
Consumer Cyclical | 0.86% | 0.31% |
#27
29
Prev: #56
|
3.3 | 3,412 | 165.6% |
P
S
|
5,472 | $29,304,366 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TLH
ISHARES TR
|
ETF | 0.77% | 0.75% |
#28
1
Prev: #27
|
1.3 | no change | no change |
P
S
|
258,432 | $26,274,781 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
UBER
UBER TECHNOLOGI...
|
Technology | 0.74% | 0.71% |
#29
1
Prev: #28
|
2.8 | 51,868 | 20.2% |
P
S
|
309,136 | $25,259,503 | 2024 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PODD
INSULET CORP
|
Healthcare | 0.68% | 0.44% |
#30
10
Prev: #40
|
3.3 | 30,460 | 60.3% |
P
S
|
80,957 | $23,011,218 | 2012 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMD
ADVANCED MICRO ...
|
Technology | 0.66% | — |
#31
Prev: #—
|
3.8 | 104,746 | no change |
NEW
|
104,746 | $22,432,403 | 2000 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VRT
VERTIV HOLDINGS...
|
Industrials | 0.59% | 0.52% |
#32
Prev: #32
|
0.7 | 2,536 | 2.1% |
P
S
|
124,737 | $20,208,641 | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MBB
ISHARES TR
|
ETF | 0.57% | 0.53% |
#33
2
Prev: #31
|
0.7 | 7,330 | 3.7% |
P
S
|
204,235 | $19,447,257 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPOT
SPOTIFY TECHNOL...
|
Communication Services | 0.57% | 0.64% |
#34
5
Prev: #29
|
0.7 | 714 | 2.2% |
P
S
|
33,465 | $19,433,460 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GE
GE AEROSPACE
|
Industrials | 0.56% | 0.44% |
#35
3
Prev: #38
|
2.2 | 8,640 | 16.4% |
P
S
|
61,380 | $18,906,881 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TPR
TAPESTRY INC
|
Consumer Cyclical | 0.53% | — |
#36
Prev: #—
|
3.7 | 142,084 | no change |
NEW
|
142,084 | $18,154,073 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DAL
DELTA AIR LINES...
|
Industrials | 0.53% | 0.37% |
#37
15
Prev: #52
|
2.2 | 31,250 | 13.6% |
P
S
|
260,740 | $18,095,356 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VCLT
VANGUARD SCOTTS...
|
ETF | 0.53% | 0.51% |
#38
5
Prev: #33
|
1.2 | no change | no change |
P
S
|
236,450 | $17,934,733 | 2025 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GH
GUARDANT HEALTH...
|
Healthcare | 0.49% | 0.28% |
#39
25
Prev: #64
|
0.7 | 4,970 | 3.1% |
P
S
|
165,043 | $16,857,492 | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 0.49% | 0.41% |
#40
3
Prev: #43
|
0.7 | 1,696 | 2.9% |
P
S
|
61,172 | $16,589,846 | 2009 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ODFL
OLD DOMINION FR...
|
Industrials | 0.44% | — |
#41
Prev: #—
|
3.7 | 95,730 | no change |
NEW
|
95,730 | $15,010,464 | 2004 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
JPM
JPMORGAN CHASE ...
|
Financial Services | 0.42% | 0.47% |
#42
8
Prev: #34
|
0.7 | -8,730 | -16.4% |
P
S
|
44,635 | $14,382,290 | 2003 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ETN
EATON CORP PLC
|
Industrials | 0.42% | 0.45% |
#43
6
Prev: #37
|
0.7 | 1,462 | 3.4% |
P
S
|
44,514 | $14,178,154 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ASND
ASCENDIS PHARMA...
|
Healthcare | 0.42% | 0.24% |
#44
37
Prev: #81
|
3.2 | 23,680 | 55.5% |
P
S
|
66,336 | $14,145,489 | 2019 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MS
MORGAN STANLEY
|
Financial Services | 0.41% | 0.40% |
#45
3
Prev: #48
|
0.7 | -10,770 | -11.9% |
P
S
|
79,470 | $14,108,309 | 2004 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IGIB
ISHARES TR
|
ETF | 0.41% | 0.39% |
#46
4
Prev: #50
|
1.2 | no change | no change |
P
S
|
259,994 | $14,008,477 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TJX
TJX COS INC NEW
|
Consumer Cyclical | 0.41% | 0.31% |
#47
10
Prev: #57
|
2.2 | 13,680 | 17.8% |
P
S
|
90,620 | $13,920,138 | 2007 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
C
CITIGROUP INC
|
Financial Services | 0.40% | 0.22% |
#48
42
Prev: #90
|
3.2 | 39,520 | 50.7% |
P
S
|
117,464 | $13,706,874 | 1999 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DY
DYCOM INDS INC
|
Industrials | 0.38% | 0.25% |
#49
27
Prev: #76
|
2.7 | 8,140 | 27.1% |
P
S
|
38,166 | $12,896,291 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
TESLA INC
|
Consumer Cyclical | 0.37% | 0.03% |
#50
166
Prev: #216
|
3.1 | 25,300 | 903.6% |
P
S
|
28,100 | $12,637,132 | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-50 of 347 holdings