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Summa Corp.
RIA/Wealth
Summa Corp. is a RIA/Wealth based in Tomball, TX led by Maria Luisa Bernaldo De Quiros, reporting $458.9M in AUM as of Q3 2025 with 73% Technology concentration, 79% concentrated in top 10 holdings, 50% allocation to NVDA, and 73% technology allocation.
PresidentMaria Luisa Bernaldo De Quiros
- Portfolio Value
- $227.4M
- Positions
- 76
- Top Holding
- NVDA at 50.43%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in Summa Corp.'s portfolio (78.5% of total portfolio)
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| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Semiconductors Technology | $114.7M | 50.43% | +$1.8M Bought | 0.00% 614.6K shares | |
Semiconductors Technology | $21.0M | 9.23% | +$3.6M Bought | 0.01% 129.7K shares | |
Software - Infrastructure Technology | $11.8M | 5.21% | +$579.1K Bought | 0.00% 22.9K shares | |
Unknown Unknown | $5.9M | 2.60% | +$1.6M Bought | — 33.1K shares | |
Semiconductors Technology | $5.8M | 2.56% | +$166.4K Bought | 0.00% 35.0K shares | |
ETF ETF | $5.4M | 2.38% | -$132.1K Sold | — 11.6K shares | |
Specialty Retail Consumer Cyclical | $4.7M | 2.07% | -$80.4K Sold | 0.00% 21.4K shares | |
Consumer Electronics Technology | $3.2M | 1.43% | -$993.6K Sold | 0.00% 12.8K shares | |
Semiconductors Technology | $3.2M | 1.40% | +$454.0K Bought | 0.00% 38.0K shares | |
Financial - Credit Services Financial Services | $2.8M | 1.22% | -$711.8K Sold | 1.02% 450.0K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in Summa Corp.'s latest filing
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Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Increased Positions
| Position | Shares Δ |
|---|---|
New | |
New | |
New | |
New | |
+82.32% |
Decreased Positions
| Position | Shares Δ |
|---|---|
Sold | |
Sold | |
Sold | |
Sold | |
Sold |
Analytics
Portfolio insights and performance metrics for Summa Corp.
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