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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
+21.53%
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
$3.33B
AUM Growth
+$442M
Cap. Flow
-$10.8M
Cap. Flow %
-0.32%
Top 10 Hldgs %
42.55%
Holding
347
New
67
Increased
59
Reduced
94
Closed
72

Top Buys

Rank Stock Value
1
PM icon
Philip Morris
PM
+$42.4M
2
MSFT icon
Microsoft
MSFT
+$41.9M
3
NVDA icon
NVIDIA
NVDA
+$37.1M
4
SCHW
Charles Schwab
SCHW
+$27.9M
5
SNOW icon
Snowflake
SNOW
+$27.8M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$42.5M
2
QQQ icon
Invesco QQQ Trust
QQQ
+$31.2M
3
LLY icon
Eli Lilly
LLY
+$26.1M
4
BX icon
Blackstone
BX
+$24.6M
5
TLT icon
iShares 20+ Year Treasury Bond ETF
TLT
+$21.5M

Sector Composition

Rank Sector Weight
1 Technology 30%
2 Financials 9.35%
3 Communication Services 9.29%
4 Consumer Discretionary 7.54%
5 Industrials 7.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PGR icon
76
Progressive
PGR
$128B
$7.44M 0.22%
27,870
– –
IRTC icon
77
iRhythm Holdings
IRTC
$4.02B
$7.42M 0.22%
48,180
-110
-0.2% -$14.2K
EVR icon
78
Evercore
EVR
$11.8B
$7.4M 0.22%
27,400
-12,620
-32% -$2.78M
GE icon
79
GE Aerospace
GE
$364B
$7.37M 0.22%
28,630
-12,120
-30% -$2.66M
RBC icon
80
RBC Bearings
RBC
$17.4B
$7.37M 0.22%
19,140
+1,750
+10% +$618K
RMBS icon
81
Rambus
RMBS
$8.95B
$7.34M 0.22%
114,700
-3,400
-3% -$182K
CEG icon
82
Constellation Energy
CEG
$92.1B
$7.34M 0.22%
+22,740
New +$6.02M
IDCC icon
83
InterDigital
IDCC
$6.75B
$7.28M 0.22%
32,460
-960
-3% -$203K
IAK icon
84
iShares US Insurance ETF
IAK
$521M
$7.27M 0.22%
54,070
– –
WAY
85
Waystar Holding Corp
WAY
$4.7B
$7.22M 0.22%
176,595
+24,090
+16% +$928K
PAR icon
86
PAR Technology
PAR
$716M
$7.21M 0.22%
103,900
-16,960
-14% -$1.06M
TPB icon
87
Turning Point Brands
TPB
$1.48B
$7.2M 0.22%
94,980
+6,300
+7% +$429K
GENI icon
88
Genius Sports
GENI
$1.95B
$7.05M 0.21%
677,620
+36,420
+6% +$364K
UTI icon
89
Universal Technical Institute
UTI
$2.26B
$6.93M 0.21%
204,520
-34,870
-15% -$1.09M
CWST icon
90
Casella Waste Systems
CWST
$5.76B
$6.79M 0.2%
58,840
-1,930
-3% -$223K
SLAB icon
91
Silicon Laboratories
SLAB
$7.14B
$6.74M 0.2%
+45,740
New +$5.41M
WMB icon
92
Williams Companies
WMB
$85.8B
$6.7M 0.2%
106,640
+36,530
+52% +$2.16M
SITM icon
93
SiTime
SITM
$13.8B
$6.68M 0.2%
+31,358
New +$5.67M
SIG icon
94
Signet Jewelers
SIG
$3.84B
$6.65M 0.2%
+83,540
New +$5.55M
STRL icon
95
Sterling Infrastructure
STRL
$15.2B
$6.63M 0.2%
+28,740
New +$5.02M
CYBR
96
DELISTED
CyberArk
CYBR
$6.6M 0.2%
16,230
-9,190
-36% -$3.35M
KD icon
97
Kyndryl
KD
$3.09B
$6.55M 0.2%
156,170
-58,190
-27% -$2.1M
FLR icon
98
Fluor
FLR
$6.54B
$6.53M 0.2%
+127,440
New +$5.08M
CR icon
99
Crane Co
CR
$11.9B
$6.53M 0.2%
34,390
-7,850
-19% -$1.3M
EUAD
100
Select STOXX Europe Aerospace & Defense ETF
EUAD
$1.17B
$6.34M 0.19%
147,000
– –
2 3
4
5 6

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CFM
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Castleark Management's Q2 2025 Portfolio in Review

As of Q2 2025, Castleark Management held 347 positions worth $3.33B, up 15% from $2.89B the previous quarter. Its ten largest holdings account for 43% of the portfolio.

Castleark Management's Q2 2025 filing shows 67 new, 59 increased, 94 reduced and 72 closed positions. Its largest new stake was Snowflake: 153,530 shares worth $34.4M. The largest sale was Apple, an estimated $42.5M.

By sector, the portfolio is most concentrated in Technology at 30% of assets, up from 25% a quarter earlier, followed by Financials and Communication Services.

  • Castleark Management's largest Q2 2025 buy was Snowflake: 153,530 shares worth $34.4M.
  • Castleark Management added most to Philip Morris in Q2 2025, an estimated $42.4M increase.
  • Castleark Management's biggest Q2 2025 reduction was Apple, cutting an estimated $42.5M.
  • Castleark Management fully exited Invesco QQQ Trust in Q2 2025, selling an estimated $31.2M.
  • Castleark Management's ten largest holdings make up 43% of its $3.33B portfolio in Q2 2025.
  • Castleark Management opened 67 new positions and closed 72 in Q2 2025.
  • Castleark Management's portfolio value rose 15% quarter-over-quarter to $3.33B.

Based on Castleark Management's 13F filing for Q2 2025, filed 18 Aug 2025.