Stocks/Funds/CIK 1410830

Matrix Capital Management Company, LP

microcap filerlong-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1410830
Assets
$46M
-86.7% YoY
Holdings
1
Lifetime alpha vs market
+0.13% annual
Average hold time
4.5 yr
median 4.5 yr

Quarterly history

Cum return +53% vs S&P +52% · α +1% lifetimeAUM $46M · peak $13.1BFlow $-17M (-30%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.32%
trims when stocks drop
when a holding falls −10%+
Middle response
-11.87%
baseline attrition
Rally response
-3.99%
trims into rallies
when a holding rises +10%+

Top positions · 1

Ticker$ value% portYoYHold time
AURAAura Biosciences, Inc.$46M100.0%+14.2%4.5 yr

Portfolio composition (YoY)

Industry mix
Biotechnology100.0%+74.0pp$46M
Country
US100.0%+0.0pp
Top 5: 100.0% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
AURA$41M+0.01B14.2%

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 0

No buys this quarter

Top sells this quarter · 1

MAZE Maze Therapeutics, Inc.exit$14M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$46M1+53.96%+17.59%+36.37%-0.02B
2025-12-31$58M2+15.87%+17.72%-1.85%-0.07B
2025-09-30$107M3+1.17%+17.52%-16.35%-0.15B
2025-06-30$223M4-14.60%+14.94%-29.54%-0.13B
2025-03-31$347M4-15.24%+8.30%-23.54%-1.44B
2024-12-31$2.15B5+16.22%+24.89%-8.67%-0.01B
2024-09-30$2.09B7+28.39%+36.04%-7.65%-10.70B
2024-06-30$13.14B23+21.37%+24.49%-3.12%+2.18B
2024-03-31$10.77B23+34.32%+29.62%+4.70%-0.27B
2023-12-31$9.72B19+44.15%+26.18%+17.98%+0.21B
2023-09-30$8.34B19+26.18%+21.57%+4.61%+0.41B
2023-06-30$8.61B19+32.90%+19.42%+13.47%+0.31B
2023-03-31$7.36B17-12.73%-7.82%-4.91%+0.98B
2022-12-31$5.24B17-0.19%+7.56%-7.75%+0.02B
2022-09-30$5.23B26-3.05%-4.93%+1.88%+0.95B
2022-06-30$4.41B20-26.02%-16.11%-9.91%-1.75B