ARCH Venture Management, LLC Q3 2025 Filing

Filed November 14, 2025

Portfolio Value

$492.4B

Holdings

9

Report Date

Q3 2025

Filing Type

13F-HR

All Holdings (9 positions)

#StockSharesValue% PortfolioType
1
RAPPRAPPORT THERAPEUTICS INC.
3,728,738$110.7B22.49%
2
BEAMBEAM THERAPEUTICS INC.
4,540,132$110.2B22.38%
3
MAZEMAZE THERAPEUTICS INC.
4,120,053$106.8B21.70%
4
VIRVIR BIOTECHNOLOGY INC.
12,916,663$73.8B14.98%
5
LYELLYELL IMMUNOPHARMA INC.
2,759,072$44.8B9.10%
6
ERASERASCA INC.
11,055,554$24.1B4.89%
7
GOSSGOSSAMER BIO INC.
8,055,916$21.2B4.30%
8
QTTBQ32 BIO INC.
320,482$634.6M0.13%
9
CEROCERO THERAPEUTICS HOLDINGS INC.
22,389$114.0M0.02%