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Castleark Management Portfolio holdings

AUM $3.02B
1-Year Est. Return 53.92%
This Fund
S&P 500
This Quarter Est. Return
+5.04%
1 Year Est. Return
+53.92%
3 Year Est. Return
+208.37%
5 Year Est. Return
+342.22%
10 Year Est. Return
+3,246.09%
AUM
$3.02B
AUM Growth
-$384M
Cap. Flow
-$359M
Cap. Flow %
-11.88%
Top 10 Hldgs %
32.19%
Holding
347
New
53
Increased
65
Reduced
101
Closed
55

Top Buys

Rank Stock Value
1
CVX icon
Chevron
CVX
+$24.9M
2
FANG icon
Diamondback Energy
FANG
+$24.6M
3
BKR icon
Baker Hughes
BKR
+$19.3M
4
VCLT icon
Vanguard Long-Term Corporate Bond ETF
VCLT
+$16.1M
5
CF icon
CF Industries
CF
+$13.2M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$49.8M
2
MSFT icon
Microsoft
MSFT
+$44.1M
3
BX icon
Blackstone
BX
+$37.7M
4
EFA icon
iShares MSCI EAFE ETF
EFA
+$33.4M
5
NVDA icon
NVIDIA
NVDA
+$27.5M

Sector Composition

Rank Sector Weight
1 Technology 31.73%
2 Industrials 9.89%
3 Consumer Discretionary 9.68%
4 Healthcare 9.21%
5 Energy 8.12%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
STRL icon
76
Sterling Infrastructure
STRL
$20B
$8.63M 0.29%
21,200
-1,130
-5% -$442K
SOLS
77
Solstice Advanced Materials
SOLS
$8.97B
$8.61M 0.28%
+113,050
New +$7.75M
ELAN icon
78
Elanco Animal Health
ELAN
$12.6B
$8.52M 0.28%
355,950
+321,440
+931% +$7.86M
LSCC icon
79
Lattice Semiconductor
LSCC
$17.2B
$8.5M 0.28%
91,639
+2,620
+3% +$235K
GOOG icon
80
Alphabet (Google) Class C
GOOG
$4.29T
$8.49M 0.28%
29,610
+22,610
+323% +$7.1M
SPXC icon
81
SPX Corp
SPXC
$10.7B
$8.31M 0.28%
41,567
-8,260
-17% -$1.77M
SMTC icon
82
Semtech
SMTC
$11.7B
$8.29M 0.27%
107,758
+4,800
+5% +$395K
XOP icon
83
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.34B
$8.24M 0.27%
+45,340
New +$6.83M
XLV icon
84
State Street Health Care Select Sector SPDR ETF
XLV
$41.2B
$8.23M 0.27%
56,130
– –
MOD icon
85
Modine Manufacturing
MOD
$12.1B
$8.2M 0.27%
37,850
+25,890
+216% +$4.87M
BKD icon
86
Brookdale Senior Living
BKD
$3.57B
$8.19M 0.27%
+598,454
New +$8.38M
KRYS icon
87
Krystal Biotech
KRYS
$10B
$8.17M 0.27%
31,630
+2,370
+8% +$631K
APG icon
88
APi Group
APG
$17.1B
$8.11M 0.27%
200,263
-10,730
-5% -$455K
BWA icon
89
BorgWarner
BWA
$12.6B
$8.06M 0.27%
148,506
-8,830
-6% -$465K
ASB icon
90
Associated Banc-Corp
ASB
$5.85B
$8.05M 0.27%
311,423
+21,850
+8% +$581K
PL icon
91
Planet Labs
PL
$7.89B
$7.98M 0.26%
285,650
-103,820
-27% -$2.65M
ACA icon
92
Arcosa
ACA
$7.11B
$7.92M 0.26%
74,650
+26,150
+54% +$2.97M
PAHC icon
93
Phibro Animal Health
PAHC
$1.34B
$7.9M 0.26%
+142,900
New +$6.8M
WCC
94
WESCO International
WCC
$15.5B
$7.77M 0.26%
28,397
-5,840
-17% -$1.64M
KTOS icon
95
Kratos Defense & Security Solutions
KTOS
$8.61B
$7.73M 0.26%
109,634
-43,270
-28% -$4.15M
ADSK icon
96
Autodesk
ADSK
$46B
$7.65M 0.25%
+31,940
New +$8.03M
LBRT icon
97
Liberty Energy
LBRT
$3.93B
$7.63M 0.25%
+264,789
New +$6.75M
SF
98
Stifel
SF
$11.9B
$7.54M 0.25%
102,010
-45,785
-31% -$3.64M
BE icon
99
Bloom Energy
BE
$56.1B
$7.46M 0.25%
55,045
-14,570
-21% -$2.14M
GM icon
100
General Motors
GM
$68.3B
$7.4M 0.24%
99,280
– –
2 3
4
5 6

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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 Industrials and Consumer Discretionary.

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.