13D Filings
Monte Rosa Therapeutics, Inc.
GLUE
Amendment
Ownership

5.10%

Total Shares

3,334,669

Issuer CIK

1826457

CUSIP

61225M102

Event Date

Nov 9, 2025

Accepted

Nov 12, 2025, 04:13 PM

Reporting Persons (6)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Versant Venture Capital VI, L.P.
Partnership
5.10%3,334,6693,334,6690
Versant Ventures VI GP, L.P.
Partnership
5.10%3,334,66903,334,669
Versant Ventures VI GP-GP, LLC
Other
5.10%3,334,66903,334,669
Versant Vantage I, L.P.
Partnership
2.40%1,573,4531,573,4530
Versant Vantage I GP, L.P.
Partnership
2.40%1,573,45301,573,453
Versant Vantage I GP-GP, LLC
Other
2.40%1,573,45301,573,453
Disclosure Items (2)

Security Title

Common Stock, par value $0.0001 per share

Issuer Name

Monte Rosa Therapeutics, Inc.

Issuer Address

321 Harrison Avenue, Boston, MA, 02118

Percentage of Class

See Items 7-11 and 13 of the cover pages of this Amendment for each Reporting Person and the corresponding comments.

Number of Shares

See Items 7-11 and 13 of the cover pages of this Amendment for each Reporting Person and the corresponding comments.

Transactions

On November 10, 2025, Versant VI effected a pro rata distribution without additional consideration of 744,800 shares of Common Stock to its limited partners.

Monte Rosa Therapeutics, Inc. — Schedule 13D | 13D Filings