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VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs

Institutional Manager · CIK 0001954929

Summa Corp.

Tomball, TX · File #028-23625

Latest AUM
$233.2M
Positions
83
Top-10 Concentration
82.4%
Filings
8

Sector Allocation

Technology
73.9%$172.3M
Financials
1.6%$3.7M
Healthcare
1.3%$3.0M
Energy
0.7%$1.7M
Real Estate
0.3%$591,885
Industrials
0.1%$228,129

Filing History

View all filings →

Top 20 Holdings — Dec 2025

#IssuerTickerSharesValue% of Portfolio
1NVIDIA CORPORATIONNVDA633,648$118.2M53.22%
2ADVANCED MICRO DEVICES INCAMD121,770$26.1M11.74%
3MICROSOFT CORPMSFT20,999$10.2M4.57%
4QUALCOMM INCQCOM35,000$6.0M2.70%
5ISHARES TR46428761411,026$5.2M2.35%
6AMAZON COM INCAMZN18,560$4.3M1.93%
7APPLE INCAAPL12,749$3.5M1.56%
8MARVELL TECHNOLOGY INCMRVL40,000$3.4M1.53%
9ALPHABET INCGOOG10,708$3.4M1.51%
10ISHARES TR46428759813,379$2.8M1.27%
11BERKSHIRE HATHAWAY INC DELBRK-A4,851$2.4M1.10%
12DBX ETF TR23305120045,628$2.2M0.99%
13OPORTUN FINL CORP68376D104396,766$2.1M0.95%
14UBER TECHNOLOGIES INCUBER25,000$2.0M0.92%
15SPDR GOLD TRGLD4,809$1.9M0.86%
16WALMART INCWMT15,851$1.8M0.80%
17ISHARES TR46428744013,912$1.3M0.60%
18JPMORGAN CHASE & CO.VYLD3,800$1.2M0.55%
19ALPHABET INCGOOG3,785$1.2M0.53%
20ISHARES TR46428828112,175$1.2M0.53%