We are live on ! Find out more
CM

Castleark Management Portfolio holdings

AUM $3.71B
1-Year Est. Return 65.19%
This Fund
S&P 500
This Quarter Est. Return
+30.43%
1 Year Est. Return
+65.19%
3 Year Est. Return
+247.97%
5 Year Est. Return
+412.62%
10 Year Est. Return
+3,903.2%
AUM
$3.71B
AUM Growth
+$687M
Cap. Flow
+$105M
Cap. Flow %
2.83%
Top 10 Hldgs %
33.93%
Holding
350
New
58
Increased
69
Reduced
89
Closed
41

Top Buys

Rank Stock Value
1
MS icon
Morgan Stanley
MS
+$36.6M
2
AAPL icon
Apple
AAPL
+$34.9M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$32.1M
4
V icon
Visa
V
+$26.4M
5
GILD icon
Gilead Sciences
GILD
+$24.4M

Top Sells

Rank Stock Value
1
SCHW
Charles Schwab
SCHW
+$45.1M
2
ULTA icon
Ulta Beauty
ULTA
+$26.5M
3
SHOP icon
Shopify
SHOP
+$25.5M
4
CVX icon
Chevron
CVX
+$23.2M
5
DOCN icon
DigitalOcean
DOCN
+$19.8M

Sector Composition

Rank Sector Weight
1 Technology 34.63%
2 Industrials 12.03%
3 Miscellaneous 11.82%
4 Healthcare 10.33%
5 Consumer Discretionary 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GWRE icon
326
Guidewire Software
GWRE
$11.8B
– –
-5,180
Closed -$775K
HAS icon
327
Hasbro
HAS
$12.5B
– –
-94,701
Closed -$8.86M
IDCC icon
328
InterDigital
IDCC
$8.76B
– –
-19,876
Closed -$6M
IPGP icon
329
IPG Photonics
IPGP
$3.42B
– –
-60,456
Closed -$6.93M
IQV icon
330
IQVIA
IQV
$42.3B
– –
-22,580
Closed -$3.85M
IRTC icon
331
iRhythm Holdings
IRTC
$3.94B
– –
-27,193
Closed -$3.21M
KTOS icon
332
Kratos Defense & Security Solutions
KTOS
$8.77B
– –
-109,634
Closed -$7.73M
LITE icon
333
Lumentum
LITE
$88.7B
– –
-770
Closed -$541K
MANH icon
334
Manhattan Associates
MANH
$12B
– –
-30,580
Closed -$4.07M
MEDP icon
335
Medpace
MEDP
$16.4B
– –
-10,030
Closed -$4.82M
MRCY icon
336
Mercury Systems
MRCY
$4.86B
– –
-25,048
Closed -$1.83M
ONTO icon
337
Onto Innovation
ONTO
$13.7B
– –
-29,030
Closed -$5.95M
PAHC icon
338
Phibro Animal Health
PAHC
$1.49B
– –
-142,900
Closed -$7.9M
PATK icon
339
Patrick Industries
PATK
$2.47B
– –
-62,180
Closed -$6.91M
PRIM icon
340
Primoris Services
PRIM
$3.98B
– –
-1,390
Closed -$199K
REAL icon
341
The RealReal
REAL
$1.16B
– –
-156,760
Closed -$1.42M
RKT icon
342
Rocket Companies
RKT
$38B
– –
-34,960
Closed -$498K
RYTM icon
343
Rhythm Pharmaceuticals
RYTM
$6.96B
– –
-52,279
Closed -$4.55M
SEE
344
DELISTED
Sealed Air
SEE
– –
-720
Closed -$30.3K
SPXC icon
345
SPX Corp
SPXC
$9.65B
– –
-41,567
Closed -$8.31M
SSD icon
346
Simpson Manufacturing
SSD
$7.24B
– –
-38,382
Closed -$6.59M
ULTA icon
347
Ulta Beauty
ULTA
$23.2B
– –
-50,629
Closed -$26.5M
URI icon
348
United Rentals
URI
$64B
– –
-3,420
Closed -$2.49M
WMS icon
349
Advanced Drainage Systems
WMS
$9.94B
– –
-7,190
Closed -$986K
TPC
350
Tutor Perini Cor
TPC
$4.63B
– –
-116,440
Closed -$8.99M
10 11 12 13
14

Similar funds

MSC
MUFG Securities (Canada) New York $3.71B AUM 38.19% 1-Year Est. Return
BC
Burney Company Reston, Virginia $3.71B AUM 37.66% 1-Year Est. Return
FEG
Fund Evaluation Group Cincinnati, Ohio $3.7B AUM 16.56% 1-Year Est. Return
HCM
Himalaya Capital Management Seattle, Washington $3.7B AUM 39.18% 1-Year Est. Return
OH
Osiris Holdings Monaco $3.72B AUM
BCM
Becker Capital Management Portland, Oregon $3.72B AUM 31.98% 1-Year Est. Return
CCI
Cevian Capital II St. Helier, Jersey $3.7B AUM 32.64% 1-Year Est. Return
MCM
MKP Capital Management New York $3.7B AUM 23.18% 1-Year Est. Return

Castleark Management's Q2 2026 Portfolio in Review

As of Q2 2026, Castleark Management held 350 positions worth $3.71B, up 23% from $3.02B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Castleark Management's Q2 2026 filing shows 58 new, 69 increased, 89 reduced and 41 closed positions. Its largest new stake was SharkNinja: 127,170 shares worth $19.4M. The largest sale was Charles Schwab, an estimated $45.1M.

By sector, the portfolio is most concentrated in Technology at 35% of assets, up from 32% a quarter earlier, followed by Industrials and Miscellaneous.

  • Castleark Management's largest Q2 2026 buy was SharkNinja: 127,170 shares worth $19.4M.
  • Castleark Management added most to Morgan Stanley in Q2 2026, an estimated $36.6M increase.
  • Castleark Management's biggest Q2 2026 reduction was Charles Schwab, cutting an estimated $45.1M.
  • Castleark Management fully exited Ulta Beauty in Q2 2026, selling an estimated $26.5M.
  • Castleark Management's ten largest holdings make up 34% of its $3.71B portfolio in Q2 2026.
  • Castleark Management opened 58 new positions and closed 41 in Q2 2026.
  • Castleark Management's portfolio value rose 23% quarter-over-quarter to $3.71B.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.