EX-21 8 amgn-ex21_2024.htm SUBSIDIARIES OF THE COMPANY Document
Exhibit 21
AMGEN INC.

The following is a list of subsidiaries of the Company as of December 31, 2024, omitting some subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary.
SUBSIDIARY
(Name under which subsidiary does business)
STATE OR OTHER JURISDICTION OF INCORPORATION OR ORGANIZATION
Amgen (Europe) GmbH
Switzerland
Amgen Canada Inc.
Canada
Amgen Fremont Inc.
Delaware
Amgen Global Finance B.V.
Netherlands
Amgen Global Technology Unlimited Company
Ireland
Amgen GmbH Germany
Germany
Amgen Ilaç Ticaret Limited Şirketi
Türkiye
Amgen International Holdings Inc.
Delaware
Amgen K.K.
Japan
Amgen K-A, Inc.
Delaware
Amgen Manufacturing Limited LLC
Puerto Rico
Amgen Mexico, S.A. de C.V.
Mexico
Amgen Rare Disease Holdings Inc.
Delaware
Amgen Research (Munich) GmbH
Germany
Amgen S.A.S.
France
Amgen S.p.A.
Italy
Amgen SF, LLC
Delaware
Amgen Singapore Holding Pte. Ltd.
Singapore
Amgen Singapore Manufacturing Pte. Ltd.
Singapore
Amgen Technology (Ireland) Unlimited Company
Ireland
Amgen Technology, Limited
Bermuda
Amgen USA Inc.
Delaware
Amgen Worldwide Holdings B.V.
Netherlands
Amgen, S.A.
Spain
BioVex LLC
Delaware
ChemoCentryx, Inc.
Delaware
Five Prime Therapeutics, Inc.
Delaware
Horizon Therapeutics Finance S.à.r.l
Luxembourg
Horizon Therapeutics Holdings Limited
Ireland
Horizon Therapeutics Ireland DAC
Ireland
Horizon Therapeutics Limited
Ireland
Horizon Therapeutics Services LLC
Delaware
Horizon Therapeutics U.S. Holding LLC
Delaware
Horizon Therapeutics USA, Inc.
Delaware
HZNP Finance Limited
Bermuda
Immunex Corporation
Washington
Immunex Rhode Island Corporation
Delaware
Onyx Pharmaceuticals, Inc.
Delaware
Onyx Therapeutics, Inc.
Delaware
Pillartree Limited
Ireland
Saga Investments Coöperatief U.A.
Netherlands
TeneoBio, Inc.
Delaware
TeneoThree, Inc.
Delaware
Viela Bio, Inc.
Delaware