ARCH Venture Management, LLC

CIK: 0001274403SEC EDGAR →

Portfolio Value

$651.7M

Holdings

9

As of

Q4 2025

New Positions

0

Closed Positions

2

Top 10 Holdings

RankStockSharesValue% of Portfolio
1

MAZE THERAPEUTICS INC.

4,120,053$170.7M
26.19%
2

BEAM THERAPEUTICS INC.

4,540,132$125.9M
19.31%
3

RAPPORT THERAPEUTICS INC.

3,728,738$113.1M
17.36%
4

LYELL IMMUNOPHARMA INC.

2,759,072$84.9M
13.03%
5

VIR BIOTECHNOLOGY INC.

12,916,663$77.9M
11.95%
6

ERASCA INC.

11,055,554$41.1M
6.31%
7

GOSSAMER BIO INC.

8,055,916$25.0M
3.83%
8

10X GENOMICS INC.

737,539$12.0M
1.85%
9

Q32 BIO INC.

320,482$1.1M
0.16%

Quarterly Changes

Top Buys

TXGNEW
$12.0M

Top Sells

CEROCLOSED
$114K

New Positions (1)

$12.0M · 738K shares

Closed Positions (1)

$114K · 22K shares

Sector Breakdown

Sector# HoldingsValue%
Healthcare9$651.7M100.0%