Filed: 5/15/2026ACC: 0001012975-26-000461
📋 What this filing means
ARCH VENTURE MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 10 equity positions with a total reported market value of $677.09M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
10
Positions
$677.09M
Total AUM (reported)
46.18M
Total Shares
Allocation by class
COM$583.03M86.1%
COM NEW$65.14M9.6%
COM SHS$24.31M3.6%
CL A COM$4.62M0.7%
Portfolio Concentration
Top 3$355.39M52.5%
4–10$321.70M47.5%
Top 3 weight
52.5%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 46.18M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
46.18M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole10
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings10
Rows:
MAZE THERAPEUTICS INC
SOLEShares4.12M
TypeSH
Market value$122.98M
18.16%
Sole
0.00
Shared
0.00
None
4.12M
RAPPORT THERAPEUTICS INC
SOLEShares3.73M
TypeSH
Market value$116.67M
17.23%
Sole
0.00
Shared
0.00
None
3.73M
VIR BIOTECHNOLOGY INC
SOLEShares12.92M
TypeSH
Market value$115.73M
17.09%
Sole
0.00
Shared
0.00
None
12.92M
ERASCA INC
SOLEShares7.09M
TypeSH
Market value$114.74M
16.95%
Sole
0.00
Shared
0.00
None
7.09M
BEAM THERAPEUTICS INC
SOLEShares4.54M
TypeSH
Market value$108.19M
15.98%
Sole
0.00
Shared
0.00
None
4.54M
LYELL IMMUNOPHARMA INC
SOLEShares3.25M
TypeSH
Market value$65.14M
9.62%
Sole
0.00
Shared
0.00
None
3.25M
GENERATE BIOMEDICINES INC
SOLEShares1.94M
TypeSH
Market value$24.31M
3.59%
Sole
0.00
Shared
0.00
None
1.94M
10X GENOMICS INC
SOLEShares217.83K
TypeSH
Market value$4.62M
0.68%
Sole
0.00
Shared
0.00
None
217.83K
GOSSAMER BIO INC
SOLEShares8.06M
TypeSH
Market value$2.65M
0.39%
Sole
0.00
Shared
0.00
None
8.06M
Q32 BIO INC
SOLEShares320.48K
TypeSH
Market value$2.06M
0.30%
Sole
0.00
Shared
0.00
None
320.48K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MAZE THERAPEUTICS INCSOLE | COM | 4.12M | SH | $122.98M 18.16% | 0.00 | 0.00 | 4.12M |
RAPPORT THERAPEUTICS INCSOLE | COM | 3.73M | SH | $116.67M 17.23% | 0.00 | 0.00 | 3.73M |
VIR BIOTECHNOLOGY INCSOLE | COM | 12.92M | SH | $115.73M 17.09% | 0.00 | 0.00 | 12.92M |
ERASCA INCSOLE | COM | 7.09M | SH | $114.74M 16.95% | 0.00 | 0.00 | 7.09M |
BEAM THERAPEUTICS INCSOLE | COM | 4.54M | SH | $108.19M 15.98% | 0.00 | 0.00 | 4.54M |
LYELL IMMUNOPHARMA INCSOLE | COM NEW | 3.25M | SH | $65.14M 9.62% | 0.00 | 0.00 | 3.25M |
GENERATE BIOMEDICINES INCSOLE | COM SHS | 1.94M | SH | $24.31M 3.59% | 0.00 | 0.00 | 1.94M |
10X GENOMICS INCSOLE | CL A COM | 217.83K | SH | $4.62M 0.68% | 0.00 | 0.00 | 217.83K |
GOSSAMER BIO INCSOLE | COM | 8.06M | SH | $2.65M 0.39% | 0.00 | 0.00 | 8.06M |
Q32 BIO INCSOLE | COM | 320.48K | SH | $2.06M 0.30% | 0.00 | 0.00 | 320.48K |