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James Castellini

Castleark Management Llc

Assets Managed
$3.022B
Holdings
292
Last Quarter
2026 - Q1
Filed Date
1mo 5d ago
Growth Rate
-11.28%(2Q avg: -7.88%)
Sustained Growth
0 quarters

Portfolio positions

This chart displays the top 10 holdings in Castleark Management Llc's 2026 - Q1 portfolio, based on their 13F SEC filing, out of a total of 292 positions.

Assets under management

The assets under management (AUM) of Castleark Management Llc over the past 10 years (40 quarters) show continuous growth in total asset value over the last 0 quarters. As of the latest 13F SEC filing for 2026 - Q1, they manage 3.022B in assets, with a quarterly growth rate of -11.28% and a 2-quarter average growth rate of -7.88%. The portfolio is managed by James Castellini, and others.

Portfolio holdings

InvestmentPortfolio %Reported Value
NVDA
Nvidia Corp
Recent Activity
Decreased -10.66%
7.26%
$219.397M
1.258M shares@ $174.41 avg price
GOOGL
Alphabet Inc-cl A
Recent Activity
Increased 9.54%
3.98%
$120.206M
418,019 shares@ $287.57 avg price
MSFT
Microsoft Corp
Recent Activity
Decreased -28.51%
3.24%
$97.763M
264,102 shares@ $370.17 avg price
SPIB
Spdr Port Int Corp Bond Etf
Recent Activity
Increased 6.71%
2.99%
$90.168M
2.688M shares@ $33.54 avg price
AAPL
Apple Inc
Recent Activity
Decreased -9.56%
2.94%
$88.829M
350,011 shares@ $253.8 avg price
GOVT
Ishares Us Treasury Bond Etf
Recent Activity
2.53%
$76.28M
3.33M shares@ $22.92 avg price
LRCX
Lam Research Corp
Recent Activity
Decreased -9.69%
2.39%
$71.948M
336,740 shares@ $213.66 avg price
META
Meta Platforms Inc-class A
Recent Activity
Increased 1.27%
2.35%
$70.924M
123,965 shares@ $572.13 avg price
VMBS
Vanguard Mortgage-backed Sec
Recent Activity
Decreased -12.76%
2.32%
$69.852M
1.488M shares@ $46.95 avg price
LLY
Eli Lilly & Co
Recent Activity
Decreased -9.92%
2.24%
$67.583M
73,478 shares@ $919.77 avg price

1-10 of 292