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Castleark Management Portfolio holdings
AUM
$3.71B
Turnover
28.29%
1-Year Est. Return
65.19%
This Fund
S&P 500
This Quarter
Est. Return
+5.04%
1 Year Est. Return
+65.19%
3 Year Est. Return
+247.97%
5 Year Est. Return
+412.62%
10 Year Est. Return
+3,903.2%
AUM
$3.02B
AUM Growth
-$384M
(-11%)
Cap. Flow
-$359M
Cap. Flow
% of AUM
-11.88%
Top 10 Holdings %
Top 10 Hldgs %
32.19%
Holding
347
New
53
Increased
65
Reduced
101
Closed
55
Avg Time Held
3.3
years
Top 10 Avg Time Held
2.4
years
Top 20 Avg Time Held
2.4
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Chevron
CVX
|
+$24.9M |
| 2 |
Diamondback Energy
FANG
|
+$24.6M |
| 3 |
Baker Hughes
BKR
|
+$19.3M |
| 4 |
Vanguard Long-Term Corporate Bond ETF
VCLT
|
+$16.1M |
| 5 |
CF Industries
CF
|
+$13.2M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$49.8M |
| 2 |
Microsoft
MSFT
|
+$44.1M |
| 3 |
Blackstone
BX
|
+$37.7M |
| 4 |
iShares MSCI EAFE ETF
EFA
|
+$33.4M |
| 5 |
NVIDIA
NVDA
|
+$27.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 31.73% |
| 2 | Miscellaneous | 14.43% |
| 3 | Industrials | 9.89% |
| 4 | Consumer Discretionary | 9.68% |
| 5 | Healthcare | 9.21% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
|
1
NVIDIA
NVDA
$5.17T
| $219M | 7.26% |
1,258,012
-150,134
| -11% | -$27.5M |
2020 Q1
24 quarters
|
|
2
Alphabet (Google) Class A
GOOGL
$4.17T
| $120M | 3.98% |
418,019
+36,380
| +10% | +$11.4M |
2015 Q4
41 quarters
|
|
|
3
Microsoft
MSFT
$3.93T
| $97.8M | 3.23% |
264,102
-105,358
| -29% | -$44.1M |
2013 Q2
51 quarters
|
|
4
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.4B
| $90.2M | 2.98% |
2,688,380
+169,010
| +7% | +$5.71M |
2024 Q4
5 quarters
|
|
5
Apple
AAPL
$5.01T
| $88.8M | 2.94% |
350,011
-37,030
| -10% | -$9.64M |
2013 Q2
51 quarters
|
|
6
iShares US Treasury Bond ETF
GOVT
$42.1B
| $76.3M | 2.52% |
3,329,569
| – | – |
2024 Q4
5 quarters
|
|
7
Lam Research
LRCX
$330B
| $71.9M | 2.38% |
336,740
-36,136
| -10% | -$8.08M |
2019 Q3
26 quarters
|
|
8
Meta Platforms (Facebook)
META
$1.81T
| $70.9M | 2.35% |
123,965
+1,550
| +1% | +$993K |
2014 Q4
45 quarters
|
|
9
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.7B
| $69.9M | 2.31% |
1,487,800
-217,740
| -13% | -$10.3M |
2024 Q4
5 quarters
|
|
10
Eli Lilly
LLY
$1.12T
| $67.6M | 2.24% |
73,478
-8,100
| -10% | -$8.21M |
2020 Q3
22 quarters
|
|
11
Broadcom
AVGO
$1.57T
| $62.7M | 2.08% |
202,704
-3,176
| -2% | -$1.05M |
2025 Q3
2 quarters
|
|
12
Arista Networks
ANET
$223B
| $52.9M | 1.75% |
430,935
+19,658
| +5% | +$2.63M |
2024 Q4
5 quarters
|
|
|
13
Amazon
AMZN
$2.7T
| $51.2M | 1.69% |
245,861
-226,288
| -48% | -$49.8M |
2013 Q2
51 quarters
|
|
14
Gilead Sciences
GILD
$194B
| $47.7M | 1.58% |
342,150
+64,822
| +23% | +$9.08M |
2013 Q2
51 quarters
|
|
15
Charles Schwab
SCHW
$159B
| $47.4M | 1.57% |
504,053
-118,482
| -19% | -$11.6M |
2014 Q4
45 quarters
|
|
16
Visa
V
$756B
| $46.5M | 1.54% |
153,826
-16,652
| -10% | -$5.35M |
2014 Q4
45 quarters
|
|
17
Mastercard
MA
$541B
| $46M | 1.52% |
92,013
-10,438
| -10% | -$5.5M |
2020 Q1
24 quarters
|
|
18
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$7.15B
| $38.9M | 1.29% |
1,334,080
| – | – |
2024 Q4
5 quarters
|
|
19
Shopify
SHOP
$218B
| $36.8M | 1.22% |
310,590
-34,792
| -10% | -$4.57M |
2024 Q4
5 quarters
|
|
20
GE Vernova
GEV
$245B
| $36.2M | 1.2% |
41,489
-6,252
| -13% | -$4.88M |
2025 Q2
3 quarters
|
|
|
21
Vanguard Long-Term Corporate Bond ETF
VCLT
$7.67B
| $33.5M | 1.11% |
448,330
+211,880
| +90% | +$16.1M |
2025 Q2
3 quarters
|
|
22
ServiceNow
NOW
$147B
| $31.8M | 1.05% |
303,756
+33,336
| +12% | +$3.92M |
2022 Q3
14 quarters
|
|
23
Tapestry
TPR
$23.8B
| $28.9M | 0.95% |
204,470
+62,386
| +44% | +$8.84M |
2025 Q4
1 quarter
|
|
|
24
Diamondback Energy
FANG
$57.1B
| $28.7M | 0.95% |
+145,020
| New | +$24.6M |
2026 Q1
0 quarters
|
|
|
25
Chevron
CVX
$441B
| $28.3M | 0.93% |
+136,550
| New | +$24.9M |
2026 Q1
0 quarters
|
|
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SAI
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 Miscellaneous and Industrials.
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.