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CASTLEARK MANAGEMENT LLC 13F portfolio summary

CASTLEARK MANAGEMENT LLC of CASTLEARK MANAGEMENT LLC has 309 current stock holdings with a reported portfolio value of $3.71B. The portfolio 1 year return is +26.05%. Top holdings include NVDA (7.01%), GOOGL (4.89%), AAPL (3.68%), LRCX (3.32%), MSFT (2.94%).

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CASTLEARK MANAGEMENT LLC 13F Portfolio

CASTLEARK MANAGEMENT LLC
Latest SEC 13F filing: 2026-06-30

CASTLEARK MANAGEMENT LLC runs CASTLEARK MANAGEMENT LLC and currently holds 309 stock positions, which is more than the average of 231 among the investors we track. The portfolio is valued at approximately $3.71B. Their top holdings are NVDA, GOOGL, AAPL, LRCX, MSFT. The top five represent 21.8% of reported portfolio weight. CASTLEARK MANAGEMENT LLC ranks #319 out of 1000 investors tracked by Alpha Score. In the most recent quarter, CASTLEARK MANAGEMENT LLC initiated 11 new positions. They added to 45 existing positions. They trimmed 29 positions. Their current best-performing preview position is MU with returns of +241.67%.

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Top 5 Holdings
NVDA7.0%
GOOGL4.9%
AAPL3.7%
LRCX3.3%
MSFT2.9%
Top 5: 21.8%
Portfolio Returns
1 Year
+26.05%
#446/1000
3 Year
+86.21%
#326/1000
5 Year
+95.83%
#305/1000

Portfolio Value

$3.71B

Alpha Score

71.2

#319 of 1000

Holdings

309

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CASTLEARK MANAGEMENT LLC Current 13F Holdings

Reported holdings from CASTLEARK MANAGEMENT LLC's latest SEC 13F filing, ranked by portfolio weight.

309 stock holdings

HoldingWeightAvg BuyCurrentReturnQuarter Change
NVDA
NVIDIA CORPORATION
7.01%$56.69$229.28+304.45%
Added
+3.31%
GOOGL
ALPHABET INC
4.89%$194.15$351.66+81.13%
Added
+21.31%
AAPL
APPLE INC
3.68%$142.45$336.68+136.35%
Added
+34.88%
LRCX
LAM RESEARCH CORP
3.32%$86.53$318.84+268.47%
Trimmed
-15.72%
MSFT
MICROSOFT CORP
2.94%$289.45$535.07+84.86%
Added
+10.85%
LLY
ELI LILLY & CO
2.84%$824.55$1,178.52+42.93%
Added
+19.35%
AVGO
BROADCOM INC
2.48%$337.99$361.54+6.97%
Added
+20.32%
SPIB
SPDR SERIES TRUST
2.42%$32.95$32.32-1.91%
Held
V
VISA INC
2.18%$237.56$385.51+62.28%
Added
+53.53%
ANET
ARISTA NETWORKS INC
2.17%$112.17$216.71+93.20%
Added
+9.84%

Showing 1-10 of 309