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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
GKOS icon
301
Glaukos
GKOS
$9.49B
– –
-21,320
Closed -$2.1M
GMED icon
302
Globus Medical
GMED
$11.1B
– –
-83,220
Closed -$6.09M
HSTM icon
303
HealthStream
HSTM
$863M
– –
-57,770
Closed -$1.86M
HURN icon
304
Huron Consulting
HURN
$2.76B
– –
-38,730
Closed -$5.56M
IMAX icon
305
IMAX
IMAX
$2.67B
– –
-244,421
Closed -$6.44M
ITA icon
306
iShares US Aerospace & Defense ETF
ITA
$14B
– –
-35,260
Closed -$5.4M
IWD icon
307
iShares Russell 1000 Value ETF
IWD
$81.4B
– –
-6,400
Closed -$1.2M
KNF icon
308
Knife River
KNF
$4.33B
– –
-90,050
Closed -$8.12M
KRE icon
309
State Street SPDR S&P Regional Banking ETF
KRE
$4.51B
– –
-54,530
Closed -$3.1M
KRYS icon
310
Krystal Biotech
KRYS
$10.7B
– –
-26,120
Closed -$4.71M
KTB icon
311
Kontoor Brands
KTB
$4.71B
– –
-43,120
Closed -$2.77M
LFUS icon
312
Littelfuse
LFUS
$10.4B
– –
-20,080
Closed -$3.95M
LGND icon
313
Ligand Pharmaceuticals
LGND
$5.77B
– –
-66,463
Closed -$6.99M
LNTH icon
314
Lantheus
LNTH
$6.51B
– –
-37,500
Closed -$3.66M
LQD icon
315
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$34.3B
– –
-71,170
Closed -$7.74M
MAT icon
316
Mattel
MAT
$4.47B
– –
-216,430
Closed -$4.21M
MDGL icon
317
Madrigal Pharmaceuticals
MDGL
$12.6B
– –
-10,580
Closed -$3.5M
MEDP icon
318
Medpace
MEDP
$16.3B
– –
-17,100
Closed -$5.21M
MWA icon
319
Mueller Water Products
MWA
$3.94B
– –
-377,960
Closed -$9.61M
NFE icon
320
New Fortress Energy
NFE
$92.9M
– –
-1,465
Closed -$12.2K
PHR icon
321
Phreesia
PHR
$689M
– –
-168,720
Closed -$4.31M
PRIM icon
322
Primoris Services
PRIM
$4.06B
– –
-41,940
Closed -$2.41M
P
323
Everpure Inc
P
$23B
– –
-6,620
Closed -$293K
QQQ icon
324
Invesco QQQ Trust
QQQ
$436B
– –
-66,630
Closed -$31.2M
RIO icon
325
Rio Tinto
RIO
$152B
– –
-2,780
Closed -$167K
10 11 12
13
14

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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.