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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 | |
|---|---|---|---|---|---|---|---|
76
Sterling Infrastructure
STRL
$13B
| $8.63M | 0.29% |
21,200
-1,130
| -5% | -$442K |
2025 Q2
3 quarters
|
|
77
Solstice Advanced Materials
SOLS
$9.41B
| $8.61M | 0.28% |
+113,050
| New | +$7.75M |
2026 Q1
0 quarters
|
|
78
Elanco Animal Health
ELAN
$11.8B
| $8.52M | 0.28% |
355,950
+321,440
| +931% | +$7.86M |
2025 Q4
1 quarter
|
|
79
Lattice Semiconductor
LSCC
$14.7B
| $8.5M | 0.28% |
91,639
+2,620
| +3% | +$235K |
2025 Q1
4 quarters
|
|
80
Alphabet (Google) Class C
GOOG
$4.12T
| $8.49M | 0.28% |
29,610
+22,610
| +323% | +$7.1M |
2015 Q4
41 quarters
|
|
81
SPX Corp
SPXC
$8.32B
| $8.31M | 0.28% |
41,567
-8,260
| -17% | -$1.77M |
2025 Q2
3 quarters
|
|
82
Semtech
SMTC
$12.8B
| $8.29M | 0.27% |
107,758
+4,800
| +5% | +$395K |
2025 Q3
2 quarters
|
|
83
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$4.32B
| $8.24M | 0.27% |
+45,340
| New | +$6.83M |
2026 Q1
0 quarters
|
|
84
State Street Health Care Select Sector SPDR ETF
XLV
$45.8B
| $8.23M | 0.27% |
56,130
| – | – |
2025 Q4
1 quarter
|
|
85
Modine Manufacturing
MOD
$7.91B
| $8.2M | 0.27% |
37,850
+25,890
| +216% | +$4.87M |
2025 Q4
1 quarter
|
|
86
Brookdale Senior Living
BKD
$2.41B
| $8.19M | 0.27% |
+598,454
| New | +$8.38M |
2026 Q1
0 quarters
|
|
87
Krystal Biotech
KRYS
$9.37B
| $8.17M | 0.27% |
31,630
+2,370
| +8% | +$631K |
2025 Q4
1 quarter
|
|
88
APi Group
APG
$17.4B
| $8.11M | 0.27% |
200,263
-10,730
| -5% | -$455K |
2022 Q4
13 quarters
|
|
89
BorgWarner
BWA
$11.8B
| $8.06M | 0.27% |
148,506
-8,830
| -6% | -$465K |
2025 Q2
3 quarters
|
|
90
Associated Banc-Corp
ASB
$5.47B
| $8.05M | 0.27% |
311,423
+21,850
| +8% | +$581K |
2024 Q4
5 quarters
|
|
91
Planet Labs
PL
$4.93B
| $7.98M | 0.26% |
285,650
-103,820
| -27% | -$2.65M |
2025 Q3
2 quarters
|
|
92
Arcosa
ACA
$7.22B
| $7.92M | 0.26% |
74,650
+26,150
| +54% | +$2.97M |
2025 Q4
1 quarter
|
|
93
Phibro Animal Health
PAHC
$1.58B
| $7.9M | 0.26% |
+142,900
| New | +$6.8M |
2026 Q1
0 quarters
|
|
94
WESCO International
WCC
$16.6B
| $7.77M | 0.26% |
28,397
-5,840
| -17% | -$1.64M |
2024 Q4
5 quarters
|
|
95
Kratos Defense & Security Solutions
KTOS
$7.59B
| $7.73M | 0.26% |
109,634
-43,270
| -28% | -$4.15M |
2025 Q1
4 quarters
|
|
96
Autodesk
ADSK
$50.1B
| $7.65M | 0.25% |
+31,940
| New | +$8.03M |
2026 Q1
0 quarters
|
|
97
Liberty Energy
LBRT
$2.71B
| $7.63M | 0.25% |
+264,789
| New | +$6.75M |
2026 Q1
0 quarters
|
|
98
Stifel
SF
$10.2B
| $7.54M | 0.25% |
102,010
-45,785
| -31% | -$3.64M |
2024 Q1
8 quarters
|
|
99
Bloom Energy
BE
$65.2B
| $7.46M | 0.25% |
55,045
-14,570
| -21% | -$2.14M |
2025 Q2
3 quarters
|
|
100
General Motors
GM
$73.7B
| $7.4M | 0.24% |
99,280
| – | – |
2025 Q4
1 quarter
|
|
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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.