CASTLEARK MANAGEMENT LLC logo

CASTLEARK MANAGEMENT LLC

Long Only Manager

CASTLEARK MANAGEMENT LLC is a Long Only Manager based in Chicago, IL led by Daniel P Becker, reporting $4.0B in AUM as of Q3 2025 with 33% Technology concentration.

CIODaniel P Becker
Portfolio Value
$3.6B
Positions
284
Top Holding
CARK at 9.04%
Last Reported
Q3 2025
Address1 N. Wacker Drive, Suite 3950, Chicago, IL, 60606, United States

Top Holdings

Largest long holdings in CASTLEARK MANAGEMENT LLC's portfolio (39% of total portfolio)

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HoldingSectorPositionWeightTradedOwnership
ETF
ETF
$322.1M
9.04%
-$46.4M
Sold
7.4M shares
2
Nvidia logo
Nvidia
NVDA
Semiconductors
Technology
$257.0M
7.21%
-$7.7M
Sold
0.01%
1.4M shares
Software - Infrastructure
Technology
$187.3M
5.26%
-$5.4M
Sold
0.00%
361.6K shares
Internet Content & Information
Communication Services
$108.2M
3.04%
-$3.9M
Sold
0.01%
147.4K shares
5
Apple logo
Apple
AAPL
Consumer Electronics
Technology
$96.8M
2.72%
-$3.4M
Sold
0.00%
380.0K shares
Internet Content & Information
Communication Services
$90.9M
2.55%
-$3.3M
Sold
0.00%
373.9K shares
7
Amazon logo
Amazon
AMZN
Specialty Retail
Consumer Cyclical
$85.8M
2.41%
-$45.7M
Sold
0.00%
390.6K shares
ETF
ETF
$85.4M
2.40%
2.5M shares
ETF
ETF
$80.1M
2.25%
1.7M shares
ETF
ETF
$75.3M
2.11%
3.3M shares

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in CASTLEARK MANAGEMENT LLC's latest filing

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Market Value
$3.6B
Prior: $3.3B
Q/Q Change
+7.2%
+$239.5M
Net Flows % of MV
-8.07%
Turnover Ratio
19.03%
New Purchases
22 stocks
$111.5M
Added To
80 stocks
+$314.3M
Sold Out Of
51 stocks
$283.7M
Reduced Holdings
55 stocks
-$429.5M

Increased Positions

PositionShares Δ
New
New
New
New
New

Decreased Positions

PositionShares Δ
Sold
Sold
3
VRNA
Sold
Sold
Sold

Analytics

Portfolio insights and performance metrics for CASTLEARK MANAGEMENT LLC

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Sector Allocation

Technology: 32.60%TechnologyETF: 21.50%ETFIndustrials: 9.20%IndustrialsFinancial Services: 9.10%Financial ServicesCommunication Services: 8.50%Communication ServicesConsumer Cyclical: 6.30%Healthcare: 4.80%Energy: 3.00%Utilities: 1.50%Consumer Defensive: 1.20%Basic Materials: 0.30%Real Estate: 0.10%
Technology
32.60%
ETF
21.50%
Industrials
9.20%
Financial Services
9.10%
Communication Services
8.50%
Consumer Cyclical
6.30%
Healthcare
4.80%
Energy
3.00%
Utilities
1.50%
Consumer Defensive
1.20%
Basic Materials
0.30%
Real Estate
0.10%

Market Cap Distribution

Mega Cap (> $200B): 35.10%Mega Cap (> $200B)Large Cap ($10B - $200B): 28.54%Large Cap ($10B - $200B)Mid Cap ($2B - $10B): 12.25%Mid Cap ($2B - $10B)Small Cap ($300M - $2B): 1.29%Nano Cap (< $50M): 0.22%N/A (ETF or Unknown): 22.60%N/A (ETF or Unknown)
Mega Cap (> $200B)
35.10%
Large Cap ($10B - $200B)
28.54%
Mid Cap ($2B - $10B)
12.25%
Small Cap ($300M - $2B)
1.29%
Nano Cap (< $50M)
0.22%
N/A (ETF or Unknown)
22.60%

Portfolio Concentration

Top 10 Holdings %
38.97%
Top 20 Holdings %
55.03%
Top 50 Holdings %
72.06%
Top 100 Holdings %
85.07%

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