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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
NVDA icon
1
NVIDIA
NVDA
$4.91T
$219M 7.26%
1,258,012
-150,134
-11% -$27.5M
GOOGL icon
2
Alphabet (Google) Class A
GOOGL
$4.23T
$120M 3.98%
418,019
+36,380
+10% +$11.4M
MSFT icon
3
Microsoft
MSFT
$2.93T
$97.8M 3.23%
264,102
-105,358
-29% -$44.1M
SPIB icon
4
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.6B
$90.2M 2.98%
2,688,380
+169,010
+7% +$5.71M
AAPL icon
5
Apple
AAPL
$4.9T
$88.8M 2.94%
350,011
-37,030
-10% -$9.64M
GOVT icon
6
iShares US Treasury Bond ETF
GOVT
$43.9B
$76.3M 2.52%
3,329,569
– –
LRCX icon
7
Lam Research
LRCX
$392B
$71.9M 2.38%
336,740
-36,136
-10% -$8.08M
META icon
8
Meta Platforms (Facebook)
META
$1.64T
$70.9M 2.35%
123,965
+1,550
+1% +$993K
VMBS icon
9
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.5B
$69.9M 2.31%
1,487,800
-217,740
-13% -$10.3M
LLY icon
10
Eli Lilly
LLY
$1.05T
$67.6M 2.24%
73,478
-8,100
-10% -$8.21M
AVGO icon
11
Broadcom
AVGO
$1.76T
$62.7M 2.08%
202,704
-3,176
-2% -$1.05M
ANET icon
12
Arista Networks
ANET
$212B
$52.9M 1.75%
430,935
+19,658
+5% +$2.63M
AMZN icon
13
Amazon
AMZN
$2.66T
$51.2M 1.69%
245,861
-226,288
-48% -$49.8M
GILD icon
14
Gilead Sciences
GILD
$167B
$47.7M 1.58%
342,150
+64,822
+23% +$9.08M
SCHW
15
Charles Schwab
SCHW
$177B
$47.4M 1.57%
504,053
-118,482
-19% -$11.6M
V icon
16
Visa
V
$682B
$46.5M 1.54%
153,826
-16,652
-10% -$5.35M
MA icon
17
Mastercard
MA
$480B
$46M 1.52%
92,013
-10,438
-10% -$5.5M
SPTS icon
18
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.08B
$38.9M 1.29%
1,334,080
– –
SHOP icon
19
Shopify
SHOP
$160B
$36.8M 1.22%
310,590
-34,792
-10% -$4.57M
GEV icon
20
GE Vernova
GEV
$284B
$36.2M 1.2%
41,489
-6,252
-13% -$4.88M
VCLT icon
21
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.99B
$33.5M 1.11%
448,330
+211,880
+90% +$16.1M
NOW icon
22
ServiceNow
NOW
$106B
$31.8M 1.05%
303,756
+33,336
+12% +$3.92M
TPR icon
23
Tapestry
TPR
$28.6B
$28.9M 0.95%
204,470
+62,386
+44% +$8.84M
FANG icon
24
Diamondback Energy
FANG
$55B
$28.7M 0.95%
+145,020
New +$24.6M
CVX icon
25
Chevron
CVX
$373B
$28.3M 0.93%
+136,550
New +$24.9M
1
2 3 4 5

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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.