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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
PG icon
251
Procter & Gamble
PG
$345B
$549K 0.02%
3,800
– –
SNPS icon
252
Synopsys
SNPS
$74.5B
$544K 0.02%
1,372
– –
USAC icon
253
USA Compression Partners
USAC
$3.91B
$542K 0.02%
19,990
– –
LITE icon
254
Lumentum
LITE
$65.2B
$541K 0.02%
770
-30,383
-98% -$16.7M
GEL icon
255
Genesis Energy
GEL
$1.8B
$535K 0.02%
29,980
– –
MTDR icon
256
Matador Resources
MTDR
$6.72B
$528K 0.02%
8,350
– –
KNTK icon
257
Kinetik
KNTK
$3.75B
$502K 0.02%
10,370
– –
CTAS icon
258
Cintas
CTAS
$80.2B
$501K 0.02%
2,960
– –
RKT icon
259
Rocket Companies
RKT
$38.6B
$498K 0.02%
34,960
-446,600
-93% -$8.13M
EOG icon
260
EOG Resources
EOG
$76.4B
$434K 0.01%
3,000
– –
SBUX icon
261
Starbucks
SBUX
$119B
$414K 0.01%
4,620
– –
IWO icon
262
iShares Russell 2000 Growth ETF
IWO
$14.9B
$377K 0.01%
1,200
-520
-30% -$173K
FDX icon
263
FedEx
FDX
$75.2B
$356K 0.01%
1,000
– –
EWJ icon
264
iShares MSCI Japan ETF
EWJ
$22.1B
$327K 0.01%
3,870
-1,060
-22% -$91.7K
VRTX icon
265
Vertex Pharmaceuticals
VRTX
$122B
$326K 0.01%
730
– –
KO icon
266
Coca-Cola
KO
$353B
$258K 0.01%
3,397
– –
MOG.A icon
267
Moog Inc Class A
MOG.A
$12.8B
$252K 0.01%
860
– –
POWL icon
268
Powell Industries
POWL
$8.9B
$222K 0.01%
1,230
-1,260
-51% -$206K
FCX icon
269
Freeport-McMoran
FCX
$89.9B
$212K 0.01%
3,610
+1,660
+85% +$100K
ETN icon
270
Eaton
ETN
$156B
$211K 0.01%
590
-43,924
-99% -$15.6M
EWC icon
271
iShares MSCI Canada ETF
EWC
$6.03B
$201K 0.01%
3,670
– –
IWN icon
272
iShares Russell 2000 Value ETF
IWN
$14.5B
$201K 0.01%
1,060
-230
-18% -$44.5K
ITW icon
273
Illinois Tool Works
ITW
$78.3B
$200K 0.01%
770
– –
PRIM icon
274
Primoris Services
PRIM
$4.76B
$199K 0.01%
1,390
+270
+24% +$39.5K
NRG icon
275
NRG Energy
NRG
$27.8B
$191K 0.01%
1,310
-750
-36% -$118K
9 10
11
12 13

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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.