Ma Investment Partnership, LP
CIK
1536336
Location
HILLSBOROUGH, CA
Portfolio Value
Small
$135,397,000
Diversification
Moderately concentrated
Filing Date
Global Rank
#3,771
/ 8,232
▲ 1592
Top Industry
Computer Hardware
30.5%
3Y Alpha vs SPY
+24.0%
Period ended 2 months ago
Filed May 18, 2026 · 27d
7 quarters · since Dec 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+203.6%
SPY
+76.3%
Annualised alpha
+24.0%
Max drawdown
−18.8%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
10 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
30.5%
+2.5 pts
Top 5
77.2%
−12.5 pts
Top 10
100.0%
0.0 pts
HHI
1,650
Moderately concentrated−240
Portfolio Trend
7 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Technology | 65.1% | $135,397,000 |
| Industrials | 18.6% | $38,607,000 |
| Communication Services | 7.3% | $15,153,000 |
| Consumer Cyclical | 6.0% | $12,546,000 |
| Financial Services | 3.0% | $6,268,000 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
1 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| VIAV | Viavi Solutions Inc. | +300,000 | 500,000 | $16,640,000 | |
| No positions match the current search. | |||||
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
4 positions ·
$135,397,000 total
· Technology only
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| VIAV |
Viavi Solutions Inc.
Technology
|
Added | 500,000 | $16,640,000 | 12.29% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
Reduced | 100,000 | $20,343,000 | 15.02% | |
| NVDA |
Nvidia Corp
Technology
|
NEW | 200,000 | $34,880,000 | 25.76% | |
| SNDK |
Sandisk Corp
Technology
|
Held | 100,000 | $63,534,000 | 46.92% |