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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
+30.43%
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
$3.71B
AUM Growth
+$687M
(+23%)
Cap. Flow
+$105M
Cap. Flow % of AUM
Cap. Flow %
2.83%
Top 10 Holdings %
Top 10 Hldgs %
33.93%
Holding
350
New
58
Increased
69
Reduced
89
Closed
41
Avg Time Held
3.2
years
Top 10 Avg Time Held
2.2
years
Top 20 Avg Time Held
2.6
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Morgan Stanley
MS
|
+$36.6M |
| 2 |
Apple
AAPL
|
+$34.9M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$32.1M |
| 4 |
Visa
V
|
+$26.4M |
| 5 |
Gilead Sciences
GILD
|
+$24.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Charles Schwab
SCHW
|
+$45.1M |
| 2 |
Ulta Beauty
ULTA
|
+$26.5M |
| 3 |
Shopify
SHOP
|
+$25.5M |
| 4 |
Chevron
CVX
|
+$23.2M |
| 5 |
DigitalOcean
DOCN
|
+$19.8M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 34.63% |
| 2 | Industrials | 12.03% |
| 3 | Miscellaneous | 11.82% |
| 4 | Healthcare | 10.33% |
| 5 | Consumer Discretionary | 9.53% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1
NVIDIA
NVDA
$5.21T
| $260M | 7.01% |
1,299,605
+41,593
| +3% | +$8.55M |
2020 Q1
25 quarters
|
|
|
2
Alphabet (Google) Class A
GOOGL
$4.19T
| $181M | 4.89% |
507,093
+89,074
| +21% | +$32.1M |
2015 Q4
42 quarters
|
|
|
3
Apple
AAPL
$5.02T
| $137M | 3.68% |
472,108
+122,097
| +35% | +$34.9M |
2013 Q2
52 quarters
|
|
4
Lam Research
LRCX
$343B
| $123M | 3.32% |
283,808
-52,932
| -16% | -$16.1M |
2019 Q3
27 quarters
|
|
5
Microsoft
MSFT
$3.95T
| $109M | 2.94% |
292,770
+28,668
| +11% | +$11.6M |
2013 Q2
52 quarters
|
|
6
Eli Lilly
LLY
$1.12T
| $105M | 2.84% |
87,697
+14,219
| +19% | +$14.5M |
2020 Q3
23 quarters
|
|
7
Broadcom
AVGO
$1.6T
| $92.1M | 2.48% |
243,896
+41,192
| +20% | +$16.5M |
2025 Q3
3 quarters
|
|
8
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.3B
| $90M | 2.43% |
2,688,380
| – | – |
2024 Q4
6 quarters
|
|
|
9
Visa
V
$754B
| $81M | 2.18% |
236,166
+82,340
| +54% | +$26.4M |
2014 Q4
46 quarters
|
|
10
Arista Networks
ANET
$226B
| $80.4M | 2.17% |
473,319
+42,384
| +10% | +$6.66M |
2024 Q4
6 quarters
|
|
11
iShares US Treasury Bond ETF
GOVT
$42.1B
| $75.8M | 2.04% |
3,329,569
| – | – |
2024 Q4
6 quarters
|
|
12
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.7B
| $69.6M | 1.88% |
1,487,800
| – | – |
2024 Q4
6 quarters
|
|
13
Advanced Micro Devices
AMD
$893B
| $69M | 1.86% |
118,865
+29,911
| +34% | +$12.3M |
2025 Q4
2 quarters
|
|
|
14
Gilead Sciences
GILD
$194B
| $66.6M | 1.8% |
527,542
+185,392
| +54% | +$24.4M |
2013 Q2
52 quarters
|
|
15
Amazon
AMZN
$2.77T
| $63.9M | 1.72% |
268,249
+22,388
| +9% | +$5.62M |
2013 Q2
52 quarters
|
|
16
GE Vernova
GEV
$247B
| $54.2M | 1.46% |
46,101
+4,612
| +11% | +$4.71M |
2025 Q2
4 quarters
|
|
17
Meta Platforms (Facebook)
META
$1.8T
| $52.8M | 1.42% |
93,744
-30,221
| -24% | -$18.5M |
2014 Q4
46 quarters
|
|
18
Analog Devices
ADI
$197B
| $48M | 1.29% |
120,934
+43,026
| +55% | +$17M |
2025 Q3
3 quarters
|
|
19
Mastercard
MA
$540B
| $47M | 1.27% |
91,462
-551
| -0.6% | -$275K |
2020 Q1
25 quarters
|
|
|
20
Morgan Stanley
MS
$284B
| $43.6M | 1.18% |
208,542
+184,862
| +781% | +$36.6M |
2024 Q3
7 quarters
|
|
21
Snowflake
SNOW
$110B
| $42.5M | 1.14% |
166,818
+30,774
| +23% | +$5.66M |
2025 Q2
4 quarters
|
|
22
Vertiv
VRT
$80.1B
| $41.5M | 1.12% |
123,901
+11,538
| +10% | +$3.66M |
2025 Q3
3 quarters
|
|
23
Tapestry
TPR
$23.4B
| $38.9M | 1.05% |
265,749
+61,279
| +30% | +$8.78M |
2025 Q4
2 quarters
|
|
24
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$7.17B
| $38.7M | 1.04% |
1,334,080
| – | – |
2024 Q4
6 quarters
|
|
25
Vanguard Long-Term Corporate Bond ETF
VCLT
$7.67B
| $33.7M | 0.91% |
448,330
| – | – |
2025 Q2
4 quarters
|
|
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SAI
Castleark Management's Q2 2026 Portfolio in Review
As of Q2 2026, Castleark Management held 350 positions worth $3.71B, up 23% from $3.02B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Castleark Management's Q2 2026 filing shows 58 new, 69 increased, 89 reduced and 41 closed positions. Its largest new stake was SharkNinja: 127,170 shares worth $19.4M. The largest sale was Charles Schwab, an estimated $45.1M.
By sector, the portfolio is most concentrated in Technology at 35% of assets, up from 32% a quarter earlier, followed by Industrials and Miscellaneous.
- Castleark Management's largest Q2 2026 buy was SharkNinja: 127,170 shares worth $19.4M.
- Castleark Management added most to Morgan Stanley in Q2 2026, an estimated $36.6M increase.
- Castleark Management's biggest Q2 2026 reduction was Charles Schwab, cutting an estimated $45.1M.
- Castleark Management fully exited Ulta Beauty in Q2 2026, selling an estimated $26.5M.
- Castleark Management's ten largest holdings make up 34% of its $3.71B portfolio in Q2 2026.
- Castleark Management opened 58 new positions and closed 41 in Q2 2026.
- Castleark Management's portfolio value rose 23% quarter-over-quarter to $3.71B.
Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.