Exhibit 23.1

 

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KPMG LLP

Two Financial Center
60 South Street
Boston, MA 02111

Consent of Independent Registered Public Accounting Firm

We consent to the use of our report dated March 10, 2026, with respect to the consolidated financial statements of Cullinan Therapeutics, Inc. and subsidiaries, incorporated herein by reference, and to the reference to our firm under the heading “Experts” in the prospectus.

/s/ KPMG LLP

Boston, Massachusetts

April 28, 2026

KPMG LLP, a Delaware limited liability partnership, and its subsidiaries are part of

the KPMG global organization of independent member firms affiliated with KPMG

International Limited, a private English company limited by guarantee.