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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
UBER icon
51
Uber
UBER
$155B
$13.7M 0.37%
189,417
+19,541
+12% +$1.43M
UCTT
52
Ultra Clean Holdings
UCTT
$3.01B
$13.7M 0.37%
95,770
-4,360
-4% -$384K
NOVT icon
53
Novanta
NOVT
$5.57B
$13.5M 0.36%
83,190
+48,200
+138% +$6.97M
AXON
54
Axon Enterprise
AXON
$43.7B
$13.1M 0.35%
23,423
+14,562
+164% +$6.09M
BA icon
55
Boeing
BA
$166B
$12.9M 0.35%
59,520
+33,440
+128% +$7.44M
XBI icon
56
State Street SPDR S&P Biotech ETF
XBI
$11.7B
$12.8M 0.35%
80,890
– –
ESI icon
57
Element Solutions
ESI
$8.52B
$12.6M 0.34%
263,644
-10,240
-4% -$425K
MYRG icon
58
MYR Group
MYRG
$4.42B
$12.5M 0.34%
24,920
+7,360
+42% +$3.02M
GH icon
59
Guardant Health
GH
$21.6B
$12M 0.32%
80,293
-79,990
-50% -$8.7M
TLT icon
60
iShares 20+ Year Treasury Bond ETF
TLT
$46.5B
$11.9M 0.32%
137,270
– –
FROG icon
61
JFrog
FROG
$11.2B
$11.8M 0.32%
129,480
+36,650
+39% +$2.38M
C icon
62
Citigroup
C
$232B
$11.7M 0.32%
83,734
+36,250
+76% +$4.72M
XPO icon
63
XPO
XPO
$21.6B
$11.7M 0.32%
57,079
+31,230
+121% +$6.61M
KLIC icon
64
Kulicke & Soffa
KLIC
$4.12B
$11.6M 0.31%
86,950
-19,430
-18% -$1.9M
HQY icon
65
HealthEquity
HQY
$8.17B
$11.5M 0.31%
127,770
+79,260
+163% +$6.72M
XMTR icon
66
Xometry
XMTR
$5.33B
$11.3M 0.31%
117,518
+62,750
+115% +$4.48M
LSCC icon
67
Lattice Semiconductor
LSCC
$16.1B
$11.3M 0.31%
73,979
-17,660
-19% -$2.28M
JAZZ icon
68
Jazz Pharmaceuticals
JAZZ
$16.1B
$11.3M 0.3%
46,920
-1,820
-4% -$399K
HLIO icon
69
Helios Technologies
HLIO
$2.38B
$11.2M 0.3%
125,409
-35,000
-22% -$2.69M
KNSA icon
70
Kiniksa Pharmaceuticals
KNSA
$6.28B
$11.1M 0.3%
174,032
-7,480
-4% -$388K
ESE icon
71
ESCO Technologies
ESE
$7.1B
$11.1M 0.3%
31,572
+13,720
+77% +$4.29M
VSEC icon
72
VSE Corp
VSEC
$5.69B
$11M 0.3%
48,216
-1,870
-4% -$359K
TKR icon
73
Timken Company
TKR
$8.39B
$11M 0.3%
75,400
+35,010
+87% +$4.21M
HXL icon
74
Hexcel
HXL
$6.99B
$10.6M 0.29%
+106,050
New +$9.61M
BWA icon
75
BorgWarner
BWA
$13.4B
$10.5M 0.28%
158,726
+10,220
+7% +$647K
1 2
3
4 5

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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.