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Castleark Management Portfolio holdings
AUM
$3.71B
Turnover
28.29%
1-Year Est. Return
65.19%
This Fund
S&P 500
This Quarter Est. Return
+5.04%
1 Year Est. Return
+65.19%
3 Year Est. Return
+247.97%
5 Year Est. Return
+412.62%
10 Year Est. Return
+3,903.2%
AUM
$3.02B
AUM Growth
-$384M
(-11%)
Cap. Flow
-$359M
Cap. Flow % of AUM
Cap. Flow %
-11.88%
Top 10 Holdings %
Top 10 Hldgs %
32.19%
Holding
347
New
53
Increased
65
Reduced
101
Closed
55
Avg Time Held
3.3
years
Top 10 Avg Time Held
2.4
years
Top 20 Avg Time Held
2.4
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Chevron
CVX
|
+$24.9M |
| 2 |
Diamondback Energy
FANG
|
+$24.6M |
| 3 |
Baker Hughes
BKR
|
+$19.3M |
| 4 |
Vanguard Long-Term Corporate Bond ETF
VCLT
|
+$16.1M |
| 5 |
CF Industries
CF
|
+$13.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$49.8M |
| 2 |
Microsoft
MSFT
|
+$44.1M |
| 3 |
Blackstone
BX
|
+$37.7M |
| 4 |
iShares MSCI EAFE ETF
EFA
|
+$33.4M |
| 5 |
NVIDIA
NVDA
|
+$27.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 31.73% |
| 2 | Miscellaneous | 14.43% |
| 3 | Industrials | 9.89% |
| 4 | Consumer Discretionary | 9.68% |
| 5 | Healthcare | 9.21% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
26
Vertiv
VRT
$79.5B
| $28.2M | 0.93% |
112,363
-12,374
| -10% | -$2.75M |
2025 Q3
2 quarters
|
|
27
Ulta Beauty
ULTA
$25.4B
| $26.5M | 0.88% |
50,629
+688
| +1% | +$438K |
2025 Q4
1 quarter
|
|
28
iShares 10-20 Year Treasury Bond ETF
TLH
$11.6B
| $26M | 0.86% |
258,432
| – | – |
2024 Q4
5 quarters
|
|
29
Analog Devices
ADI
$192B
| $24.8M | 0.82% |
77,908
+16,736
| +27% | +$5.33M |
2025 Q3
2 quarters
|
|
|
30
Baker Hughes
BKR
$55.3B
| $23.6M | 0.78% |
387,190
+334,110
| +629% | +$19.3M |
2024 Q4
5 quarters
|
|
31
Booking.com
BKNG
$123B
| $20.6M | 0.68% |
122,400
-14,400
| -11% | -$2.65M |
2025 Q2
3 quarters
|
|
32
Snowflake
SNOW
$108B
| $20.5M | 0.68% |
136,044
-15,148
| -10% | -$2.8M |
2025 Q2
3 quarters
|
|
33
iShares MBS ETF
MBB
$35.9B
| $19.4M | 0.64% |
204,235
| – | – |
2024 Q4
5 quarters
|
|
34
Range Resources
RRC
$10.1B
| $18.5M | 0.61% |
410,520
+336,500
| +455% | +$13.1M |
2024 Q3
6 quarters
|
|
35
Advanced Micro Devices
AMD
$863B
| $18.1M | 0.6% |
88,954
-15,792
| -15% | -$3.37M |
2025 Q4
1 quarter
|
|
|
36
CF Industries
CF
$18.3B
| $16.8M | 0.55% |
+129,150
| New | +$13.2M |
2026 Q1
0 quarters
|
|
37
DigitalOcean
DOCN
$11.6B
| $15.6M | 0.52% |
182,249
-2,740
| -1% | -$173K |
2025 Q4
1 quarter
|
|
38
Ascendis Pharma A/S
ASND
$14.8B
| $15.5M | 0.51% |
67,616
+1,280
| +2% | +$287K |
2025 Q3
2 quarters
|
|
39
Advanced Energy
AEIS
$9.5B
| $15M | 0.5% |
46,623
-2,510
| -5% | -$727K |
2025 Q2
3 quarters
|
|
40
JPMorgan Chase
JPM
$902B
| $14.9M | 0.49% |
50,525
+5,890
| +13% | +$1.79M |
2023 Q2
11 quarters
|
|
41
Guardant Health
GH
$21.3B
| $14.8M | 0.49% |
160,283
-4,760
| -3% | -$478K |
2025 Q2
3 quarters
|
|
42
Tesla
TSLA
$1.4T
| $14.6M | 0.48% |
39,180
+11,080
| +39% | +$4.56M |
2017 Q2
35 quarters
|
|
43
TJX Companies
TJX
$162B
| $14.5M | 0.48% |
90,620
| – | – |
2013 Q2
51 quarters
|
|
44
Walmart Inc
WMT
$943B
| $14.1M | 0.47% |
113,270
| – | – |
2025 Q1
4 quarters
|
|
45
TSMC
TSM
$2.14T
| $13.9M | 0.46% |
41,210
+4,920
| +14% | +$1.69M |
2016 Q2
39 quarters
|
|
46
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$18.9B
| $13.8M | 0.46% |
259,994
| – | – |
2024 Q4
5 quarters
|
|
47
Nextpower Inc. Common Stock
NXT
$12.1B
| $13.8M | 0.46% |
114,074
+8,590
| +8% | +$952K |
2025 Q2
3 quarters
|
|
48
Permian Resources
PR
$20.6B
| $13.5M | 0.45% |
+630,980
| New | +$10.9M |
2026 Q1
0 quarters
|
|
49
FirstCash
FCFS
$9.34B
| $13.3M | 0.44% |
70,730
+9,530
| +16% | +$1.72M |
2025 Q4
1 quarter
|
|
50
Microchip Technology
MCHP
$40.1B
| $13.2M | 0.44% |
204,874
-310,620
| -60% | -$22.3M |
2013 Q2
51 quarters
|
|
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Castleark Management's Q1 2026 Portfolio in Review
As of Q1 2026, Castleark Management held 347 positions worth $3.02B, down 11% from $3.41B the previous quarter. Its ten largest holdings account for 32% of the portfolio.
Castleark Management withdrew a net $359M in Q1 2026, closing 55 positions and reducing 101 holdings. Its most notable exit was Blackstone, an estimated $37.7M position sold in full.
By sector, the portfolio is most concentrated in Technology at 32% of assets, down from 34% a quarter earlier, followed by Miscellaneous and Industrials.
Against the trend, Castleark Management opened a new position in Chevron worth $28.3M.
- Castleark Management's largest Q1 2026 buy was Chevron: 136,550 shares worth $28.3M.
- Castleark Management added most to Baker Hughes in Q1 2026, an estimated $19.3M increase.
- Castleark Management's biggest Q1 2026 reduction was Amazon, cutting an estimated $49.8M.
- Castleark Management fully exited Blackstone in Q1 2026, selling an estimated $37.7M.
- Castleark Management's ten largest holdings make up 32% of its $3.02B portfolio in Q1 2026.
- Castleark Management opened 53 new positions and closed 55 in Q1 2026.
- Castleark Management's portfolio value fell 11% quarter-over-quarter to $3.02B.
Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.