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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
NVDA icon
1
NVIDIA
NVDA
$5.15T
$263M 7.71%
1,408,146
+30,630
+2% +$5.7M
MSFT icon
2
Microsoft
MSFT
$2.9T
$179M 5.25%
369,460
+7,856
+2% +$3.94M
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.24T
$119M 3.51%
381,639
+7,760
+2% +$2.22M
AMZN icon
4
Amazon
AMZN
$2.62T
$109M 3.2%
472,149
+81,542
+21% +$18.7M
AAPL icon
5
Apple
AAPL
$4.77T
$105M 3.09%
387,041
+7,020
+2% +$1.88M
LLY icon
6
Eli Lilly
LLY
$1.04T
$87.7M 2.57%
81,578
+37,025
+83% +$35.4M
SPIB icon
7
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.6B
$85.2M 2.5%
2,519,370
– –
META icon
8
Meta Platforms (Facebook)
META
$1.6T
$80.8M 2.37%
122,415
-24,960
-17% -$16.7M
VMBS icon
9
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.4B
$80.3M 2.36%
1,705,540
– –
GOVT icon
10
iShares US Treasury Bond ETF
GOVT
$43.6B
$76.7M 2.25%
3,329,569
+71,470
+2% +$1.65M
AVGO icon
11
Broadcom
AVGO
$1.86T
$71.3M 2.09%
205,880
-6
-0% -$2.15K
LRCX icon
12
Lam Research
LRCX
$400B
$63.8M 1.87%
372,876
-131,244
-26% -$20.4M
SCHW
13
Charles Schwab
SCHW
$174B
$62.2M 1.83%
622,535
+10,861
+2% +$1.03M
V icon
14
Visa
V
$676B
$59.8M 1.76%
170,478
+3,388
+2% +$1.15M
MA icon
15
Mastercard
MA
$473B
$58.5M 1.72%
102,451
+2,122
+2% +$1.19M
SHOP icon
16
Shopify
SHOP
$154B
$55.6M 1.63%
345,382
+7,138
+2% +$1.15M
ANET icon
17
Arista Networks
ANET
$221B
$53.9M 1.58%
411,277
+8,798
+2% +$1.21M
NOW icon
18
ServiceNow
NOW
$100B
$41.4M 1.22%
270,420
+5,530
+2% +$949K
SPTS icon
19
State Street SPDR Portfolio Short Term Treasury ETF
SPTS
$6.07B
$39.1M 1.15%
1,334,080
– –
BX icon
20
Blackstone
BX
$150B
$37.7M 1.11%
244,268
+5,094
+2% +$774K
GILD icon
21
Gilead Sciences
GILD
$163B
$34M 1%
277,328
+136,296
+97% +$16.6M
EFA icon
22
iShares MSCI EAFE ETF
EFA
$77.1B
$33.4M 0.98%
347,580
– –
SNOW icon
23
Snowflake
SNOW
$92.7B
$33.2M 0.97%
151,192
+3,082
+2% +$752K
MCHP icon
24
Microchip Technology
MCHP
$46.2B
$32.8M 0.96%
515,494
+43,150
+9% +$2.66M
GEV icon
25
GE Vernova
GEV
$272B
$31.2M 0.92%
47,741
+1,168
+3% +$711K
1
2 3 4 5

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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.