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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
CHDN icon
126
Churchill Downs
CHDN
$5.83B
$6.09M 0.2%
67,810
+19,240
+40% +$1.83M
BBIO icon
127
BridgeBio Pharma
BBIO
$15.8B
$6.07M 0.2%
81,737
-32,280
-28% -$2.34M
IDCC icon
128
InterDigital
IDCC
$6.67B
$6M 0.2%
19,876
-9,060
-31% -$3.08M
EUAD
129
Select STOXX Europe Aerospace & Defense ETF
EUAD
$1.09B
$5.99M 0.2%
147,000
– –
ONTO icon
130
Onto Innovation
ONTO
$13.9B
$5.95M 0.2%
29,030
-13,940
-32% -$2.85M
ALSN icon
131
Allison Transmission
ALSN
$9.43B
$5.93M 0.2%
+50,630
New +$5.75M
BC icon
132
Brunswick
BC
$5.14B
$5.76M 0.19%
+79,110
New +$6.38M
SJM icon
133
J.M. Smucker
SJM
$12B
$5.75M 0.19%
+59,580
New +$6.24M
RIG icon
134
Transocean
RIG
$5.56B
$5.55M 0.18%
837,120
-304,570
-27% -$1.72M
MPC icon
135
Marathon Petroleum
MPC
$92.1B
$5.47M 0.18%
+22,400
New +$4.52M
CGNX icon
136
Cognex
CGNX
$10.5B
$5.4M 0.18%
+110,240
New +$5.15M
TRGP icon
137
Targa Resources
TRGP
$60.6B
$5.39M 0.18%
21,510
+2,110
+11% +$458K
C icon
138
Citigroup
C
$216B
$5.39M 0.18%
47,484
-69,980
-60% -$7.97M
SEI
139
Solaris Energy Infrastructure
SEI
$3.71B
$5.33M 0.18%
94,256
-56,740
-38% -$3.07M
MUSA icon
140
Murphy USA
MUSA
$11.5B
$5.32M 0.18%
+10,770
New +$4.61M
BA icon
141
Boeing
BA
$165B
$5.19M 0.17%
26,080
-22,690
-47% -$5.17M
FSLY icon
142
Fastly Inc
FSLY
$3.2B
$5.16M 0.17%
+177,688
New +$2.92M
IWD icon
143
iShares Russell 1000 Value ETF
IWD
$81.5B
$5.14M 0.17%
24,040
– –
LASR icon
144
nLIGHT
LASR
$3.85B
$5.12M 0.17%
+89,850
New +$4.87M
ENVA icon
145
Enova International
ENVA
$5.73B
$5.09M 0.17%
+37,470
New +$5.58M
XPO icon
146
XPO
XPO
$24.7B
$5.03M 0.17%
25,849
-28,420
-52% -$5.09M
ESE icon
147
ESCO Technologies
ESE
$8.32B
$5.02M 0.17%
17,852
-18,810
-51% -$4.74M
PLXS icon
148
Plexus
PLXS
$6.76B
$5M 0.17%
+24,680
New +$4.69M
MYRG icon
149
MYR Group
MYRG
$6.08B
$4.96M 0.16%
+17,560
New +$4.56M
MEDP icon
150
Medpace
MEDP
$15.1B
$4.82M 0.16%
10,030
-92
-0.9% -$47.1K
4 5
6
7 8

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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.