Vault-13

Ma Investment Partnership, LP

HILLSBOROUGH, CA · CIK 1536336 · 13F filing filed 2026-08-17

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$561.4m reported value +170.0% vs Q1 2026
13positions
97.5%in top 10
3 new 2 added 0 reduced 0 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 SANDISK CORP COM SNDK SNDK 100,000 $227.4m40.50% 40.50% UnchangedShares held: Q3 2025 —, Q4 2025 100.0k, Q1 2026 100.0k, Q2 2026 100.0k
2 NVIDIA CORPORATION COM NVDA NVDA 400,000 $80.0m14.26% 14.26% AddedShares held: Q3 2025 —, Q4 2025 0, Q1 2026 200.0k, Q2 2026 400.0k +200.0k +200,000 100.0%
3 ADVANCED MICRO DEVICES INC COM AMD AMD 100,000 $58.1m10.35% 10.35% UnchangedShares held: Q3 2025 —, Q4 2025 150.0k, Q1 2026 100.0k, Q2 2026 100.0k
4 REDDIT INC CL A RDDT RDDT 200,000 $34.7m6.18% 6.18% AddedShares held: Q3 2025 —, Q4 2025 0, Q1 2026 100.0k, Q2 2026 200.0k +100.0k +100,000 100.0%
5 VERTIV HOLDINGS CO COM CL A VRT VRT 100,000 $33.5m5.96% 5.96% UnchangedShares held: Q3 2025 —, Q4 2025 100.0k, Q1 2026 100.0k, Q2 2026 100.0k
6 SILICON MOTION TECHNOLOGY CO SPONSORED ADR SIMO SIMO 100,000 $33.3m5.94% 5.94% NewShares held: Q3 2025 —, Q4 2025 0, Q1 2026 0, Q2 2026 100.0k
7 BLOOM ENERGY CORP COM CL A BE BE 100,000 $30.3m5.39% 5.39% UnchangedShares held: Q3 2025 —, Q4 2025 100.0k, Q1 2026 100.0k, Q2 2026 100.0k
8 VIAVI SOLUTIONS INC COM VIAV VIAV 500,000 $23.9m4.25% 4.25% UnchangedShares held: Q3 2025 —, Q4 2025 200.0k, Q1 2026 500.0k, Q2 2026 500.0k
9 VICTORIAS SECRET AND CO COMMON STOCK VSXY VSXY 200,000 $16.7m2.97% 2.97% NewShares held: Q3 2025 —, Q4 2025 0, Q1 2026 0, Q2 2026 200.0k
10 ALIBABA GROUP HLDG LTD SPONSORED ADS BABA BABA 100,000 $9.6m1.71% 1.71% UnchangedShares held: Q3 2025 —, Q4 2025 150.0k, Q1 2026 100.0k, Q2 2026 100.0k
11 LEMONADE INC COM LMND LMND 100,000 $6.5m1.16% 1.16% UnchangedShares held: Q3 2025 —, Q4 2025 100.0k, Q1 2026 100.0k, Q2 2026 100.0k
12 BANDWIDTH INC COM CL A BAND BAND 100,000 $6.3m1.13% 1.13% NewShares held: Q3 2025 —, Q4 2025 0, Q1 2026 0, Q2 2026 100.0k
13 SOUND GROUP INC SPONSORED ADS SOGP SOGP 100,000 $1.1m0.20% 0.20% UnchangedShares held: Q3 2025 —, Q4 2025 100.0k, Q1 2026 100.0k, Q2 2026 100.0k