MI

Ma Investment Partnership, LP

Sector-focusedContrarianHigh-turnover trader

Total reported value

$208.0M

Reporting period: 2026-03-31 · Number of holdings: 10

Ma Investment Partnership, LP disclosed 10 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $208.0M and a quarterly turnover rate of 85.3%.

Personality snowflake

Concentration
66
Portfolio Stability
85.28
Momentum/Contrarian
0
Sector conviction
100
Diversification
20
Sizing Uniformity
91.5

Recent moves

  • Trim AMD

    -33.3%　-$11.8M

  • Trim BABA

    -33.3%　-$9.4M

  • Add SNDK

    0.0%　$39.8M

  • Add VIAV

    +150.0%　$13.1M

  • Trim LMND

    0.0%　-$850.0K

  • Trim VRT

    0.0%　$8.9M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1SNDKSandisk CORPStock-Tech30.55%+9.83%—
2NVDANvidia CORPStock-Tech16.77%+16.77%NEW
3VRTVertiv Holdings Co-aStock-Industrials12.05%-2.09%—
4AMDAdvanced Micro DevicesStock-Tech9.78%-18.26%-33.33%
5VIAVViavi Solutions INCStock-Tech8.00%+4.89%+150.00%
6BEBloom Energy Corp- AStock-Industrials6.51%-1.07%—
7RDDTReddit Inc-cl AStock-Comm Services6.47%+6.47%NEW
8BABAAlibaba Group Holding-sp AdrStock-Consumer Disc6.03%-13.16%-33.33%
9LMNDLemonade INCStock-Financials3.01%-3.20%—
10SOGPSound Group INCStock-Other0.81%-0.20%—

Holding changes this quarter

Ma Investment Partnership, LP's most significant position changes for 2026-03-31: New buy: Nvidia CORP (NVDA); New buy: Reddit Inc-cl A (RDDT); Trim: Advanced Micro Devices (AMD) — shares -33.33%; Trim: Alibaba Group Holding-sp Adr (BABA) — shares -33.33%; Add: Viavi Solutions INC (VIAV) — shares +150.00%.

Position changes disclosed by Ma Investment Partnership, LP for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1SNDKSandisk CORP+9.8%—Unchanged
2VIAVViavi Solutions INC+4.9%+150.00%Add
3SOGPSound Group INC-0.2%—Unchanged
4BEBloom Energy Corp- A-1.1%—Unchanged
5VRTVertiv Holdings Co-a-2.1%—Unchanged
6LMNDLemonade INC-3.2%—Unchanged
7BABAAlibaba Group Holding-sp Adr-13.2%-33.33%Trim
8AMDAdvanced Micro Devices-18.3%-33.33%Trim
9NVDANvidia CORP—NEWNew buy
10RDDTReddit Inc-cl A—NEWNew buy

FAQ

What is Ma Investment Partnership, LP and what type of investor is it?
Ma Investment Partnership, LP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $208.0M, spread across 10 disclosed positions.
What are Ma Investment Partnership, LP's largest equity positions?
Based on the latest 13F filing, Ma Investment Partnership, LP's top holdings by market value are: 1. Sandisk CORP (SNDK) — $63.5M (30.6%) 2. Nvidia CORP (NVDA) — $34.9M (16.8%) 3. Vertiv Holdings Co-a (VRT) — $25.1M (12.1%) 4. Advanced Micro Devices (AMD) — $20.3M (9.8%) 5. Viavi Solutions INC (VIAV) — $16.6M (8.0%)
What changes did Ma Investment Partnership, LP make in its most recent portfolio filing?
In the latest reported quarter, Ma Investment Partnership, LP made 5 notable position adjustments: 2 new positions were initiated, 1 existing holdings were added to, 2 positions were partially reduced, and 0 were completely exited. The largest of these moves: New buy: Nvidia CORP (NVDA); New buy: Reddit Inc-cl A (RDDT); Trim: Advanced Micro Devices (AMD) — shares -33.33%; Trim: Alibaba Group Holding-sp Adr (BABA) — shares -33.33%; Add: Viavi Solutions INC (VIAV) — shares +150.00%
What sectors does Ma Investment Partnership, LP focus on?
Ma Investment Partnership, LP is concentrated in the following sectors based on its current disclosed equity portfolio: • Information Technology: 52.0% • Industrials: 23.6% • Communication Services: 12.7% • Consumer Discretionary: 11.8%