Reporting Manager
BVF PARTNERS L P/IL
Symbol
KYMR
Shares outstanding
80.8M shares
Disclosed Ownership
6.87M shares
Ownership
8.5%
Form type
SCHEDULE 13D/A
Filing time
15 Dec 2025, 18:07:48 UTC
Date of event
11 Dec 2025

Reporting Managers (11)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BIOTECHNOLOGY VALUE FUND L P 4.4% 3.55M 0 3.55M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0000918923
BVF I GP LLC 4.4% 3.55M 0 3.55M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803805
BIOTECHNOLOGY VALUE FUND II LP 3.4% 2.75M 0 2.75M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001102444
BVF II GP LLC 3.4% 2.75M 0 2.75M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803806
Biotechnology Value Trading Fund OS LP 0.5% 406K 0 406K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660683
BVF Partners OS Ltd. 0.5% 406K 0 406K /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001660684
BVF GP HOLDINGS LLC 7.8% 6.3M 0 6.3M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001803809
BVF PARTNERS L P/IL 8.5% 6.87M 0 6.87M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001055947
BVF INC/IL 8.5% 6.87M 0 6.87M /s/ Mark N. Lampert Mark N. Lampert, Authorized Signatory 0001056807
LAMPERT MARK N 8.5% 6.87M 0 6.87M /s/ Mark N. Lampert Mark N. Lampert 0001233840
Hrustanovic Gorjan 0.1% 100K 100K 0 /s/ Gorjan Hrustanovic Gorjan Hrustanovic 0001821194