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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
LRN icon
176
Stride
LRN
$4.16B
$2.43M 0.07%
16,740
-25,690
-61% -$3.72M
EME icon
177
Emcor
EME
$29.9B
$2.3M 0.07%
+4,300
New +$1.9M
JLL icon
178
Jones Lang LaSalle
JLL
$15.8B
$2.27M 0.07%
8,890
-26,550
-75% -$6.09M
PWR icon
179
Quanta Services
PWR
$84.2B
$2.23M 0.07%
5,910
-40
-0.7% -$12.8K
IWP icon
180
iShares Russell Mid-Cap Growth ETF
IWP
$19.4B
$2.22M 0.07%
16,000
– –
SEI
181
Solaris Energy Infrastructure
SEI
$2.66B
$2.18M 0.07%
77,030
+60
+0.1% +$1.41K
TLN
182
Talen Energy Corp
TLN
$15.1B
$2.15M 0.06%
7,410
-1,510
-17% -$358K
UPST icon
183
Upstart Holdings
UPST
$2.55B
$2.15M 0.06%
+33,200
New +$1.63M
OKE icon
184
Oneok
OKE
$56.7B
$2.1M 0.06%
25,738
-7,250
-22% -$604K
BKR icon
185
Baker Hughes
BKR
$58.3B
$2.04M 0.06%
53,080
+15,150
+40% +$572K
RSI icon
186
Rush Street Interactive
RSI
$3.17B
$1.94M 0.06%
129,950
-50,110
-28% -$622K
CAMT icon
187
Camtek
CAMT
$5.92B
$1.77M 0.05%
20,950
+4,670
+29% +$315K
MGY icon
188
Magnolia Oil & Gas
MGY
$5.93B
$1.68M 0.05%
74,790
-9,040
-11% -$200K
IONQ icon
189
IonQ
IONQ
$11.9B
$1.67M 0.05%
+38,940
New +$1.3M
DKS icon
190
Dick's Sporting Goods
DKS
$18.4B
$1.67M 0.05%
8,440
– –
FANG icon
191
Diamondback Energy
FANG
$56B
$1.63M 0.05%
11,855
-240
-2% -$33.3K
HDB icon
192
HDFC Bank
HDB
$123B
$1.58M 0.05%
41,260
-19,000
-32% -$689K
SUN icon
193
Sunoco
SUN
$14.4B
$1.49M 0.04%
27,840
– –
ANSS
194
DELISTED
Ansys
ANSS
$1.42M 0.04%
4,040
– –
LECO icon
195
Lincoln Electric
LECO
$14.1B
$1.39M 0.04%
6,700
– –
HESM icon
196
Hess Midstream
HESM
$5.19B
$1.39M 0.04%
35,995
-7,970
-18% -$304K
DTM icon
197
DT Midstream
DTM
$13.9B
$1.36M 0.04%
12,370
+7,850
+174% +$795K
PAA icon
198
Plains All American Pipeline
PAA
$17.6B
$1.29M 0.04%
70,459
-30,140
-30% -$526K
AROC icon
199
Archrock
AROC
$6.16B
$1.26M 0.04%
50,690
– –
TRP icon
200
TC Energy
TRP
$70.1B
$1.25M 0.04%
25,550
– –
6 7
8
9 10

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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.