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Castleark Management Portfolio holdings

AUM $3.71B
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
Cap. Flow
+$105M
Cap. Flow %
2.83%
Top 10 Hldgs %
33.93%
Holding
350
New
58
Increased
69
Reduced
89
Closed
41

Top Buys

Rank Stock Value
1
MS icon
Morgan Stanley
MS
+$36.6M
2
AAPL icon
Apple
AAPL
+$34.9M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$32.1M
4
V icon
Visa
V
+$26.4M
5
GILD icon
Gilead Sciences
GILD
+$24.4M

Top Sells

Rank Stock Value
1
SCHW
Charles Schwab
SCHW
+$45.1M
2
ULTA icon
Ulta Beauty
ULTA
+$26.5M
3
SHOP icon
Shopify
SHOP
+$25.5M
4
CVX icon
Chevron
CVX
+$23.2M
5
DOCN icon
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
SKY icon
176
Champion Homes
SKY
$4.52B
$4.02M 0.11%
+45,670
New +$3.5M
TTAN
177
ServiceTitan Inc
TTAN
$5.45B
$3.95M 0.11%
+55,890
New +$3.6M
QQQ icon
178
Invesco QQQ Trust
QQQ
$489B
$3.92M 0.11%
5,320
– –
COGT icon
179
Cogent Biosciences
COGT
$5.93B
$3.86M 0.1%
99,870
+35,920
+56% +$1.26M
XENE icon
180
Xenon Pharmaceuticals
XENE
$5.71B
$3.73M 0.1%
61,763
-2,800
-4% -$155K
DELL icon
181
Dell
DELL
$346B
$3.68M 0.1%
+8,540
New +$2.47M
KMI icon
182
Kinder Morgan
KMI
$69.9B
$3.67M 0.1%
114,730
– –
ARQT icon
183
Arcutis Biotherapeutics
ARQT
$3B
$3.6M 0.1%
137,420
-156,040
-53% -$3.64M
MCHP icon
184
Microchip Technology
MCHP
$39.6B
$3.1M 0.08%
34,000
-170,874
-83% -$15.2M
OKE icon
185
Oneok
OKE
$60.4B
$3M 0.08%
34,458
– –
FTI icon
186
TechnipFMC
FTI
$30.5B
$2.96M 0.08%
44,676
-90,500
-67% -$6.41M
EPD icon
187
Enterprise Products Partners
EPD
$84.9B
$2.92M 0.08%
79,461
– –
PTCT icon
188
PTC Therapeutics
PTCT
$5.64B
$2.77M 0.07%
33,900
-57,980
-63% -$4.19M
XOM icon
189
ExxonMobil
XOM
$675B
$2.76M 0.07%
20,170
-44,290
-69% -$6.63M
TOL icon
190
Toll Brothers
TOL
$12.4B
$2.73M 0.07%
16,573
-34,830
-68% -$4.95M
ENB icon
191
Enbridge
ENB
$110B
$2.73M 0.07%
50,340
– –
MDGL icon
192
Madrigal Pharmaceuticals
MDGL
$12.6B
$2.73M 0.07%
5,076
-220
-4% -$113K
COST icon
193
Costco
COST
$400B
$2.62M 0.07%
2,800
– –
OXY icon
194
Occidental Petroleum
OXY
$61.3B
$2.55M 0.07%
52,585
– –
EWY icon
195
iShares MSCI South Korea ETF
EWY
$29.1B
$2.54M 0.07%
12,560
+11,720
+1,395% +$2.07M
EXTR icon
196
Extreme Networks
EXTR
$2.8B
$2.49M 0.07%
+77,040
New +$1.86M
GOOG icon
197
Alphabet (Google) Class C
GOOG
$4.02T
$2.47M 0.07%
7,000
-22,610
-76% -$8.08M
SYRE icon
198
Spyre Therapeutics
SYRE
$7.66B
$2.35M 0.06%
+26,420
New +$1.93M
IWP icon
199
iShares Russell Mid-Cap Growth ETF
IWP
$19.5B
$2.34M 0.06%
16,000
– –
STRL icon
200
Sterling Infrastructure
STRL
$15.1B
$2.19M 0.06%
2,610
-18,590
-88% -$13M
6 7
8
9 10

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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.