Matrix Capital Management Company, LP

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Matrix Capital Management Company, LP reported 4 stock positions worth $347.2 million. Its top holding was Globalfoundries (GFS) at 74.0% of the portfolio, followed by Aura Biosciences (AURA, 11.7%) and Maze Therapeutics (MAZE, 7.9%). Compared with Q4 2024, it opened 1 new position, sold out of 2 and reduced 1. The biggest buy was a new position in Maze Therapeutics (MAZE) and the biggest sale an exit from Altair Engineering Class A (ALTR).

Most Recent 13F
Q2 2026
Location
Portsmouth, NH
CIK
0001410830
Portfolio Value
$347.2M (Q1 2025)
SEC Filing
0001172661-25-001886 ↗ filed May 14, 2025

Holdings Value

0$5.0B$10.0B$15.0B Q1 2024: $10.8B Q1 2024 Q2 2024: $13.1B Q2 2024 Q3 2024: $2.1B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $347.2M $347.2M Q1 2025 Q2 2025: $222.8M Q2 2025 Q3 2025: $106.7M Q3 2025 Q4 2025: $57.6M Q4 2025 Q1 2026: $46.3M Q1 2026 Q2 2026: $0 Q2 2026

Holdings 4 stocks · $347.2M
GFS Globalfoundries Inc. 74.04% 6,964,952 $257.1M Reduce -51.2%
AURA Aura Biosciences Inc. 11.68% 6,922,870 $40.6M No change
MAZE Maze Therapeutics Inc. 7.88% 2,486,184 $27.4M New
ZNTL Zentalis Pharmaceuticals Inc. 6.39% 13,959,973 $22.2M No change

Portfolio Sells Q4 2024 → Q1 2025
ALTR Altair Engineering Inc. Class A Sold out 0.00% −63.04
PRM Perimeter Solutions Inc. Sold out 0.00% −3.89
GFS Globalfoundries Inc. Reduce -51.2% 74.04% +45.59

Portfolio Buys Q4 2024 → Q1 2025
MAZE Maze Therapeutics Inc. New 7.88% +7.88

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 0$0
Q1 2026 1$46.3MAURA
Q4 2025 2$57.6MAURA, MAZE
Q3 2025 3$106.7MMAZE, AURA, ZNTL
Q2 2025 4$222.8MGFS, AURA, MAZE, ZNTL
Q1 2025 4$347.2MGFS, AURA, MAZE, ZNTL
Q4 2024 5$2.2BALTR, GFS, PRM, AURA, ZNTL
Q3 2024 7$2.1BALTR, GFS, PRM, AURA, ZNTL
Q2 2024 23$13.1BNVDA, QCOM, TDG, ALTR, MRVL
Q1 2024 23$10.8BNVDA, TDG, QCOM, ALTR, MRVL