Institutional Manager · CIK 0001410830
Matrix Capital Management Company, LP
Portsmouth, NH · File #028-12595
Latest AUM
$57.6M
Positions
2
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | MAZE THERAPEUTICS INC | MAZE | -1,173,684 | -$48.6M | +$25.6M |
| EXITED | ZENTALIS PHARMACEUTICALS INC | 98943L107 | -13,959,973 | -$21.1M | $0 |
| REDUCE | AURA BIOSCIENCES INC | AURA | 0 | $0 | -$5.1M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20252 pos · $57.6M
- 13F HOLDINGS REPORTQ/E Sep 20253 pos · $106.7M
- 13F HOLDINGS REPORTQ/E Jun 20254 pos · $222.8M
- 13F HOLDINGS REPORTQ/E Mar 20254 pos · $347.2M
- 13F HOLDINGS REPORTQ/E Dec 20245 pos · $2.15B
- 13F HOLDINGS REPORTQ/E Sep 20247 pos · $2.09B
- 13F HOLDINGS REPORTQ/E Jun 202423 pos · $13.14B
- 13F HOLDINGS REPORTQ/E Mar 202423 pos · $10.77B
- 13F HOLDINGS REPORTQ/E Dec 202319 pos · $8.34B
Top 2 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | AURA BIOSCIENCES INC | AURA | 6,922,870 | $37.7M | 65.48% |
| 2 | MAZE THERAPEUTICS INC | MAZE | 480,000 | $19.9M | 34.52% |