Matrix Capital Management Company, LP

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 13, 2025), Matrix Capital Management Company, LP reported 5 stock positions worth $2.2 billion. Its top holding was Altair Engineering Class A (ALTR) at 63.0% of the portfolio, followed by Globalfoundries (GFS, 28.5%) and Perimeter Solutions (PRM, 3.9%). Compared with Q3 2024, it sold out of 2 and reduced 2. The biggest sale was Globalfoundries (GFS, shares −14%).

Most Recent 13F
Q2 2026
Location
Portsmouth, NH
CIK
0001410830
Portfolio Value
$2.2B (Q4 2024)
SEC Filing
0001172661-25-000832 ↗ filed Feb 13, 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 $2.2B Q4 2024 Q1 2025: $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 5 stocks · $2.2B

ALTR Altair Engineering Inc. Class A 63.04% 12,430,000 $1.4B No change
GFS Globalfoundries Inc. 28.45% 14,264,952 $612.1M Reduce -13.6%
PRM Perimeter Solutions Inc. 3.89% 6,554,000 $83.8M Reduce -2.5%
AURA Aura Biosciences Inc. 2.65% 6,922,870 $56.9M No change
ZNTL Zentalis Pharmaceuticals Inc. 1.97% 13,959,973 $42.3M No change

Portfolio Sells Q3 2024 → Q4 2024

GFS Globalfoundries Inc. Reduce -13.6% 28.45% −3.28
ADAPY Adaptimmune Therapeutics-ADR Sold out 0.00% −1.71
PRM Perimeter Solutions Inc. Reduce -2.5% 3.89% −0.42
ADPT Adaptive Biotechnologies Sold out 0.00% −0.16

Portfolio Buys Q3 2024 → Q4 2024

None this quarter.

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