Ma Investment Partnership, LP
Long book
$208.0M
Q1 2026
Positions
10
Top-10 weight
100%
concentration
Last quarter
+83.1%
SPY +14.8%
Turnover
20%
of book per quarter
Strategy in plain words
auto-generated from filingsMa Investment Partnership, LP is a concentrated fundamental stock-picker, specialised in technology (84% of the long book), running a $208.0M US long book across 10 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: SANDISK CORP, NVIDIA CORP, VERTIV HOLDINGS CO-A, ADVANCED MICRO DEVICES, VIAVI SOLUTIONS INC.
We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2025
+45.0%
Q1 2026
+83.1%
Sector allocation
Technology 90%
Industrials 7%
Financials 3%
Long book by quarter
What does Ma Investment own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| SNDK SANDISK CORP | Technology | 100.0K | $63.5M | 30.5% | Held |
| NVDA NVIDIA CORP | Technology | 200.0K | $34.9M | 16.8% | New |
| VRT VERTIV HOLDINGS CO-A | Technology | 100.0K | $25.1M | 12.0% | Held |
| AMD ADVANCED MICRO DEVICES | Technology | 100.0K | $20.3M | 9.8% | -33.3% |
| VIAV VIAVI SOLUTIONS INC | Technology | 500.0K | $16.6M | 8.0% | +150.0% |
| BE BLOOM ENERGY CORP- A | Industrials | 100.0K | $13.5M | 6.5% | Held |
| RDDT REDDIT INC-CL A | Technology | 100.0K | $13.5M | 6.5% | New |
| LMND LEMONADE INC | Financials | 100.0K | $6.3M | 3.0% | Held |