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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
+6.17%
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
$3.41B
AUM Growth
-$160M
Cap. Flow
-$259M
Cap. Flow %
-7.61%
Top 10 Hldgs %
34.8%
Holding
347
New
63
Increased
121
Reduced
48
Closed
53

Top Buys

Rank Stock Value
1
LLY icon
Eli Lilly
LLY
+$35.4M
2
ULTA icon
Ulta Beauty
ULTA
+$27.5M
3
AMD icon
Advanced Micro Devices
AMD
+$23.5M
4
AMZN icon
Amazon
AMZN
+$18.7M
5
BKNG icon
Booking.com
BKNG
+$17.6M

Top Sells

Rank Stock Value
1
CARK icon
CastleArk Large Growth ETF
CARK
+$322M
2
NFLX icon
Netflix
NFLX
+$65.9M
3
LRCX icon
Lam Research
LRCX
+$20.4M
4
DXCM icon
DexCom
DXCM
+$20.2M
5
META icon
Meta Platforms (Facebook)
META
+$16.7M

Sector Composition

Rank Sector Weight
1 Technology 33.87%
2 Industrials 11.15%
3 Financials 10.44%
4 Consumer Discretionary 10.16%
5 Healthcare 9.26%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
QQQ icon
176
Invesco QQQ Trust
QQQ
$450B
$3.27M 0.1%
+5,320
New +$3.26M
KMI icon
177
Kinder Morgan
KMI
$73.1B
$3.15M 0.09%
114,730
-10,280
-8% -$278K
TLN
178
Talen Energy Corp
TLN
$17.2B
$3.02M 0.09%
8,070
+660
+9% +$257K
CR icon
179
Crane Co
CR
$13.1B
$2.99M 0.09%
16,230
-5,790
-26% -$1.07M
SLAB icon
180
Silicon Laboratories
SLAB
$7.15B
$2.96M 0.09%
22,622
-24,920
-52% -$3.28M
CRNX icon
181
Crinetics Pharmaceuticals
CRNX
$8.86B
$2.92M 0.09%
+62,790
New +$2.8M
TRP icon
182
TC Energy
TRP
$73.5B
$2.89M 0.08%
52,460
+26,910
+105% +$1.44M
VLO icon
183
Valero Energy
VLO
$89.8B
$2.88M 0.08%
17,720
– –
MPLX icon
184
MPLX
MPLX
$59.5B
$2.83M 0.08%
53,112
-7,510
-12% -$392K
PWR icon
185
Quanta Services
PWR
$93.9B
$2.82M 0.08%
6,680
+770
+13% +$338K
CALX icon
186
Calix
CALX
$2.27B
$2.8M 0.08%
+52,920
New +$3.08M
IPGP icon
187
IPG Photonics
IPGP
$3.89B
$2.77M 0.08%
+38,690
New +$3.16M
CAMT icon
188
Camtek
CAMT
$6.9B
$2.61M 0.08%
24,580
+6,240
+34% +$701K
RRC icon
189
Range Resources
RRC
$9.11B
$2.61M 0.08%
74,020
-19,110
-21% -$712K
EPD icon
190
Enterprise Products Partners
EPD
$83.8B
$2.55M 0.07%
79,461
– –
AVAV icon
191
AeroVironment
AVAV
$7.57B
$2.49M 0.07%
10,283
-32,030
-76% -$10.1M
BKR icon
192
Baker Hughes
BKR
$56.8B
$2.42M 0.07%
53,080
– –
COST icon
193
Costco
COST
$415B
$2.41M 0.07%
2,800
– –
ENB icon
194
Enbridge
ENB
$124B
$2.41M 0.07%
50,340
+31,030
+161% +$1.48M
TDUP icon
195
ThredUp
TDUP
$736M
$2.39M 0.07%
+373,310
New +$3.02M
GOOG icon
196
Alphabet (Google) Class C
GOOG
$3.9T
$2.2M 0.06%
7,000
– –
IWP icon
197
iShares Russell Mid-Cap Growth ETF
IWP
$20B
$2.19M 0.06%
16,000
– –
IONQ icon
198
IonQ
IONQ
$12.3B
$2.17M 0.06%
48,320
-66,040
-58% -$3.7M
AMRC icon
199
Ameresco
AMRC
$1.15B
$2.16M 0.06%
+73,710
New +$2.59M
EME icon
200
Emcor
EME
$33.1B
$2.1M 0.06%
3,440
-860
-20% -$557K
6 7
8
9 10

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Castleark Management's Q4 2025 Portfolio in Review

As of Q4 2025, Castleark Management held 347 positions worth $3.41B, down 4.5% from $3.57B the previous quarter. Its ten largest holdings account for 35% of the portfolio.

Castleark Management withdrew a net $259M in Q4 2025, closing 53 positions and reducing 48 holdings. Its most notable exit was CastleArk Large Growth ETF, an estimated $322M position sold in full.

By sector, the portfolio is most concentrated in Technology at 34% of assets, up from 32% a quarter earlier, followed by Industrials and Financials.

Against the trend, Castleark Management opened a new position in Ulta Beauty worth $30.2M.

  • Castleark Management's largest Q4 2025 buy was Ulta Beauty: 49,941 shares worth $30.2M.
  • Castleark Management added most to Eli Lilly in Q4 2025, an estimated $35.4M increase.
  • Castleark Management's biggest Q4 2025 reduction was Lam Research, cutting an estimated $20.4M.
  • Castleark Management fully exited CastleArk Large Growth ETF in Q4 2025, selling an estimated $322M.
  • Castleark Management's ten largest holdings make up 35% of its $3.41B portfolio in Q4 2025.
  • Castleark Management opened 63 new positions and closed 53 in Q4 2025.
  • Castleark Management's portfolio value fell 4.5% quarter-over-quarter to $3.41B.

Based on Castleark Management's 13F filing for Q4 2025, filed 13 Feb 2026.