Castleark Management LLC Portfolio Holdings

Castleark Management LLC

  • $3 Billion
  • Q3 2025

Castleark Management LLC has filed its 13F form on November 14, 2025 for Q3 2025 where it was disclosed a total value porftolio of $3 Billion distributed in 284 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Nvidia Corp with a value of $257M, Microsoft Corp with a value of $187M, Meta Platforms, Inc. with a value of $108M, Apple Inc. with a value of $96.8M, and Alphabet Inc. with a value of $90.9M.

Examining the 13F form we can see an increase of $222M in the current position value, from $2.77B to 3B.

Castleark Management LLC is based out at Chicago, IL

Below you can find more details about Castleark Management LLC portfolio as well as his latest detailed transactions.

Portfolio value $3 Billion
Technology: $1.01 Billion
ETFs: $447 Million
Financial Services: $336 Million
Communication Services: $312 Million
Industrials: $307 Million
Consumer Cyclical: $225 Million
Healthcare: $165 Million
Energy: $107 Million
Other: $85.3 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$1.75B
$3.49 Million 0.12% of portfolio
66,939
Q3 2025 New
$0
$3.45 Million 0.12% of portfolio
19,520
Q3 2025 New
$61.6B
$3.54 Million 0.12% of portfolio
125,010
Q2 2025 Added 17.12%
$2.33B
$3.68 Million 0.12% of portfolio
193,630
Q3 2025 New
$14.5B
$3.22 Million 0.11% of portfolio
10,811
Q3 2025 Added 21.61%
$2.19B
$3.2 Million 0.11% of portfolio
19,256
Q3 2025 Reduced 56.83%
$86B
$3.42 Million 0.11% of portfolio
165,235
Q2 2025 Reduced 50.0%
$77.2B
$3.43 Million 0.11% of portfolio
16,140
Q3 2025 New
$598M
$3.2 Million 0.11% of portfolio
125,379
Q3 2025 New
$1.53B
$3.41 Million 0.11% of portfolio
24,181
Q3 2025 New
$70.1B
$3.02 Million 0.1% of portfolio
17,720
Q3 2025 Added 397.75%
$284B
$2.99 Million 0.1% of portfolio
42,100
Q2 2025 Reduced 50.0%
$4.4B
$2.96 Million 0.1% of portfolio
23,305
Q3 2025 Reduced 54.02%
$9.92B
$2.85 Million 0.1% of portfolio
49,545
Q3 2025 Added 3.61%
$53.5B
$3.03 Million 0.1% of portfolio
60,622
Q2 2025 Reduced 13.56%
$224B
$3.11 Million 0.1% of portfolio
10,250
Q3 2025 Added 18.77%
$29.5B
$2.79 Million 0.09% of portfolio
4,300
Q2 2025 New
$442M
$2.6 Million 0.09% of portfolio
193,926
Q3 2025 Added 151.75%
$6.8B
$2.69 Million 0.09% of portfolio
54,880
Q3 2025 New
$39.2B
$2.79 Million 0.09% of portfolio
16,680
Q1 2025 Reduced 7.44%
$48.8B
$2.59 Million 0.09% of portfolio
53,080
Q2 2025 Added 39.94%
$15.4B
$2.74 Million 0.09% of portfolio
21,219
Q3 2025 Reduced 55.98%
$130B
$2.85 Million 0.09% of portfolio
8,005
Q2 2025 Reduced 88.87%
$2.69B
$2.41 Million 0.08% of portfolio
45,204
Q3 2025 New
$61.4B
$2.45 Million 0.08% of portfolio
5,910
Q2 2025 Reduced 0.67%
$0
$2.28 Million 0.08% of portfolio
16,000
Q2 2021 Added 45.45%
$70.2B
$2.48 Million 0.08% of portfolio
79,461
Q1 2025 Reduced 14.85%
$7.35B
$2.47 Million 0.08% of portfolio
43,494
Q3 2025 Reduced 25.77%
$144B
$2.11 Million 0.07% of portfolio
4,620
Q3 2025 Reduced 72.02%
$12B
$1.88 Million 0.06% of portfolio
8,440
Q3 2022 Reduced 24.68%
$15B
$1.94 Million 0.06% of portfolio
49,440
Q3 2025 Reduced 29.63%
$1.74T
$1.7 Million 0.06% of portfolio
7,000
Q3 2022 Added 1,900.0%
$1.26B
$1.68 Million 0.06% of portfolio
168,590
Q3 2025 New
$31.5B
$1.88 Million 0.06% of portfolio
25,738
Q2 2025 Reduced 21.98%
$4.34B
$1.79 Million 0.06% of portfolio
74,790
Q2 2025 Reduced 10.78%
$5.99B
$1.84 Million 0.06% of portfolio
15,143
Q3 2025 Reduced 60.19%
$1.3B
$1.7 Million 0.06% of portfolio
728,110
Q3 2025 New
$26.5B
$1.7 Million 0.06% of portfolio
11,855
Q2 2025 Reduced 1.98%
$55.9B
$1.39 Million 0.05% of portfolio
25,550
Q1 2025 New
$68.4B
$1.41 Million 0.05% of portfolio
41,260
Q3 2025 Added 100.0%
$3.92B
$1.62 Million 0.05% of portfolio
18,340
Q3 2025 Reduced 12.46%
$4.4B
$1.39 Million 0.05% of portfolio
27,840
Q1 2025 Reduced 42.23%
$11.2B
$1.4 Million 0.05% of portfolio
12,370
Q2 2025 Added 173.67%
$13.1B
$1.58 Million 0.05% of portfolio
6,700
Q1 2018 Reduced 80.92%
$1.47B
$1.56 Million 0.05% of portfolio
45,065
Q3 2025 Added 25.2%
$11.8B
$1.2 Million 0.04% of portfolio
70,459
Q2 2025 Reduced 29.96%
$187B
$1.16 Million 0.04% of portfolio
6,950
Q1 2020 Reduced 96.62%
$1.29T
$1.25 Million 0.04% of portfolio
2,800
Q2 2023 Reduced 98.19%
$61.4B
$1.25 Million 0.04% of portfolio
6,145
Q3 2025 New

Summary

  • Portfolio
  • No. of Stocks 284
  • Current Value $3 Billion
  • Prior Value $2.77 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 14, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 60 stocks
  • Additional Purchases 80 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 54 stocks
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