Summa Corp.
Long book
$241.9M
Q1 2026
Positions
83
Top-10 weight
74%
concentration
Last quarter
+28.7%
SPY +14.8%
Turnover
18%
of book per quarter
Strategy in plain words
auto-generated from filingsSumma Corp. is a diversified fundamental manager, specialised in technology (86% of the long book), running a $241.9M US long book across 83 positions.
The portfolio is concentrated: the top 10 names carry 74% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: NVIDIA CORP, ADVANCED MICRO DEVICES, MICROSOFT CORP, SS SPDR S&P 500 ETF TRUST-US, ISHARES MSCI USA QUALITY FAC.
Over the last 9 quarters its long book ran on average 3.5pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+15.3%
Q2 2024
-1.3%
Q3 2024
+2.1%
Q4 2024
-11.3%
Q1 2025
+27.9%
Q2 2025
+13.4%
Q3 2025
+2.9%
Q4 2025
-6.1%
Q1 2026
+28.7%
Sector allocation
Technology 87%
Consumer discretionary 4%
Financials 4%
Services media 2%
Energy 1%
Healthcare 1%
Other 0%
Utilities 0%
Long book by quarter
What does Summa Corp. own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 635.1K | $110.8M | 45.8% | 0.0% |
| AMD ADVANCED MICRO DEVICES | Technology | 122.5K | $24.9M | 10.3% | +0.6% |
| MSFT MICROSOFT CORP | Technology | 22.7K | $8.4M | 3.5% | +2.7% |
| AMZN AMAZON.COM INC | Consumer discretionary | 21.3K | $4.4M | 1.8% | +1.1% |
| QCOM QUALCOMM INC | Technology | 34.0K | $4.4M | 1.8% | -2.9% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 42.0K | $4.2M | 1.7% | +5.0% |
| AAPL APPLE INC | Technology | 12.5K | $3.2M | 1.3% | -1.6% |
| GOOGL ALPHABET INC-CL A | Technology | 10.3K | $3.0M | 1.2% | -3.9% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 5.1K | $2.4M | 1.0% | +4.5% |
| UBER UBER TECHNOLOGIES INC | Services media | 26.1K | $1.9M | 0.8% | +4.6% |
| OPRT OPORTUN FINANCIAL CORP | Financials | 396.8K | $1.8M | 0.8% | Held |
| WMT WALMART INC | Consumer discretionary | 14.6K | $1.8M | 0.8% | -7.8% |
| GOOG ALPHABET INC-CL C | Technology | 4.8K | $1.4M | 0.6% | -1.5% |
| VLO VALERO ENERGY CORP | Energy | 5.4K | $1.3M | 0.6% | Held |
| XOM EXXON MOBIL CORP | Energy | 6.6K | $1.1M | 0.5% | -5.7% |
| JPM JPMORGAN CHASE & CO | Financials | 3.8K | $1.1M | 0.5% | Held |
| MA MASTERCARD INC - A | Services media | 1.7K | $862K | 0.4% | Held |
| AVGO BROADCOM INC | Technology | 2.5K | $766K | 0.3% | -4.5% |
| JNJ JOHNSON & JOHNSON | Healthcare | 3.0K | $738K | 0.3% | -3.6% |
| MRK MERCK & CO. INC. | Healthcare | 5.4K | $645K | 0.3% | Held |
| EPD ENTERPRISE PRODUCTS PARTNERS | Utilities | 15.5K | $587K | 0.2% | Held |
| META META PLATFORMS INC-CLASS A | Technology | 972 | $556K | 0.2% | +10.0% |
| ABBV ABBVIE INC | Healthcare | 2.4K | $522K | 0.2% | Held |
| WFC WELLS FARGO & CO | Financials | 6.5K | $517K | 0.2% | -4.9% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 500 | $498K | 0.2% | Held |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 1.0K | $492K | 0.2% | Held |
| CRM SALESFORCE INC | Technology | 2.6K | $480K | 0.2% | -5.1% |
| BMNR BITMINE IMMERSION TECHNOLOGI | Financials | 24.0K | $475K | 0.2% | Held |
| T AT&T INC | Communications | 6.0K | $464K | 0.2% | -62.5% |
| ORCL ORACLE CORP | Technology | 3.1K | $453K | 0.2% | +48.0% |
| PG PROCTER & GAMBLE CO/THE | Other | 3.0K | $433K | 0.2% | -3.8% |
| LLY ELI LILLY & CO | Healthcare | 372 | $342K | 0.1% | Held |
| V VISA INC-CLASS A SHARES | Services media | 963 | $291K | 0.1% | Held |
| DE DEERE & CO | Industrials | 490 | $276K | 0.1% | Held |
| AXP AMERICAN EXPRESS CO | Financials | 910 | $275K | 0.1% | +12.3% |
| HON HONEYWELL INTERNATIONAL INC | Industrials | 1.1K | $249K | 0.1% | -9.2% |
| SHOP SHOPIFY INC - CLASS A | Technology | 2.1K | $243K | 0.1% | Held |
| ZTS ZOETIS INC | Healthcare | 1.7K | $206K | 0.1% | Held |
| MSCI MSCI INC | Services media | 372 | $201K | 0.1% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 30, 2026 | 83 | $241.9M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 21, 2026 | 83 | $233.2M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 27, 2025 | 82 | $227.4M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 25, 2025 | 81 | $192.4M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 21, 2025 | 65 | $172.9M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 23, 2025 | 68 | $203.9M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 17, 2024 | 72 | $208.6M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 30, 2024 | 67 | $206.3M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 23, 2024 | 65 | $183.1M | canonical | SEC ↗ |