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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
FTAI icon
201
FTAI Aviation
FTAI
$21.6B
$1.92M 0.06%
7,826
– –
MRCY icon
202
Mercury Systems
MRCY
$5.92B
$1.83M 0.06%
25,048
-93,410
-79% -$8.13M
VLO icon
203
Valero Energy
VLO
$93.5B
$1.82M 0.06%
7,380
-10,340
-58% -$2.13M
RACE icon
204
Ferrari
RACE
$65.1B
$1.79M 0.06%
5,290
-17,062
-76% -$5.97M
AROC icon
205
Archrock
AROC
$6.71B
$1.76M 0.06%
50,690
– –
DKS icon
206
Dick's Sporting Goods
DKS
$18.7B
$1.67M 0.06%
8,440
– –
LECO icon
207
Lincoln Electric
LECO
$13.6B
$1.67M 0.06%
6,700
– –
IWF icon
208
iShares Russell 1000 Growth ETF
IWF
$125B
$1.61M 0.05%
15,080
– –
PAA icon
209
Plains All American Pipeline
PAA
$17.1B
$1.57M 0.05%
70,459
– –
TER icon
210
Teradyne
TER
$58.6B
$1.56M 0.05%
5,249
+779
+17% +$217K
CEG icon
211
Constellation Energy
CEG
$93.6B
$1.43M 0.05%
5,120
-9,690
-65% -$2.94M
REAL icon
212
The RealReal
REAL
$1.44B
$1.42M 0.05%
+156,760
New +$1.98M
DTM icon
213
DT Midstream
DTM
$14.5B
$1.32M 0.04%
9,830
– –
INSM icon
214
Insmed
INSM
$23.5B
$1.27M 0.04%
7,790
– –
VNOM icon
215
Viper Energy
VNOM
$8.76B
$1.15M 0.04%
24,425
+13,430
+122% +$576K
HESM icon
216
Hess Midstream
HESM
$5.13B
$1.14M 0.04%
29,295
-8,480
-22% -$314K
LQD icon
217
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$34.9B
$1.1M 0.04%
10,060
-780
-7% -$86K
CHRW icon
218
C.H. Robinson
CHRW
$24.7B
$1.1M 0.04%
6,600
– –
FSLR icon
219
First Solar
FSLR
$22.1B
$1.06M 0.04%
5,380
+2,480
+86% +$549K
MLM icon
220
Martin Marietta Materials
MLM
$32.9B
$1.04M 0.03%
1,760
– –
CME icon
221
CME Group
CME
$85.8B
$1M 0.03%
3,400
– –
AM icon
222
Antero Midstream
AM
$10.7B
$996K 0.03%
43,680
-8,480
-16% -$175K
WMS icon
223
Advanced Drainage Systems
WMS
$10.6B
$986K 0.03%
+7,190
New +$1.11M
FAN icon
224
First Trust Global Wind Energy ETF
FAN
$285M
$975K 0.03%
39,412
+18,150
+85% +$418K
WWD icon
225
Woodward
WWD
$24.2B
$974K 0.03%
+2,720
New +$979K
7 8
9
10 11

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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.