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EXHIBIT 21
The following is a list of subsidiaries of the Company as of December 31, 2025, omitting some subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary.
Company Name
Where Incorporated or Organized
356 Royalty Inc.
Delaware
Agouron Pharmaceuticals, LLC
California
AH Robins LLC
Delaware
AHP Manufacturing B.V.
Netherlands
Alpharma Pharmaceuticals LLC
Delaware
Alpharma Specialty Pharma LLC
Delaware
American Food Industries LLC
Delaware
Amplyx Pharmaceuticals, Inc.
Delaware
Anacor Pharmaceuticals, LLC
Delaware
Arena Pharmaceuticals, Inc.
Delaware
Arixa Pharmaceuticals, Inc.
Delaware
Array BioPharma Inc.
Delaware
Bamboo Therapeutics, Inc.
Delaware
Biohaven Pharmaceutical Holding Company Limited
British Virgin Islands
Biohaven Pharmaceutical Ireland Designated Activity Company
Ireland
Blue Whale Re Ltd.
Vermont
C.P. Pharmaceuticals International C.V.
Netherlands
CICL Corporation
Delaware
COC I Corporation
Delaware
Coley Pharmaceutical Group, Inc.
Delaware
Cyanamid de Argentina, S.A.
Delaware
Distribuidora Mercantil Centro Americana, S.A.
Delaware
Encysive Pharmaceuticals Inc.
Delaware
FoldRx Pharmaceuticals, LLC
Delaware
Fort Dodge Manufatura Ltda.
Brazil
G. D. Searle International Capital LLC
Delaware
Genetics Institute, LLC
Delaware
GenTrac, Inc.
Wisconsin
GI Europe, Inc.
Delaware
GI Japan, Inc.
Delaware
Global Blood Therapeutics, Inc.
Delaware
Hospira Adelaide Pty Ltd
Australia
Hospira Australia Pty Ltd
Australia
Hospira Benelux BV
Belgium
Hospira Holdings (S.A.) Pty Ltd
Australia
Hospira Philippines, Inc.
Philippines
Hospira Pte. Ltd.
Singapore
Hospira Puerto Rico, LLC
Delaware




Hospira UK Limited
United Kingdom
Hospira Worldwide, LLC
Delaware
Hospira Zagreb d.o.o.
Croatia
Hospira, Inc.
Delaware
Ignite Immunotherapy, Inc.
Delaware
InnoPharma, Inc.
Delaware
International Affiliated Corporation LLC
Delaware
John Wyeth & Brother Limited
United Kingdom
KDC Warehousing GmbH
Germany
Kiinteistö oy Espoon Pellavaniementie 14
Finland
King Pharmaceuticals Holdings LLC
Delaware
King Pharmaceuticals LLC
Delaware
King Pharmaceuticals Research and Development, LLC
Delaware
Laboratoires Pfizer, S.A.
Morocco
Laboratorios Pfizer Ltda.
Brazil
Laboratórios Pfizer, Lda.
Portugal
Laboratorios Wyeth LLC
Pennsylvania
Laboratorios Wyeth S.A.
Venezuela
Mayne Pharma IP Holdings (Euro) Pty Ltd.
Australia
Medivation Field Solutions LLC
Delaware
Medivation LLC
Delaware
Medivation Neurology LLC
Delaware
Medivation Prostate Therapeutics LLC
Delaware
Medivation Services LLC
Delaware
Medivation Technologies LLC
Delaware
Metsera, Inc.
Delaware
Monarch Pharmaceuticals, LLC
Tennessee
MTG Divestitures LLC
Delaware
PAH USA IN8 LLC
Delaware
Parke, Davis - Produtos Farmacêuticos Lda
Portugal
Parke, Davis & Company LLC
Michigan
Parkedale Pharmaceuticals, Inc.
Michigan
PBG Puerto Rico LLC
Puerto Rico
P-D Co., LLC
Delaware
Peak Enterprises LLC
Delaware
PF ARGENTUM ACQUISITION ULC
Canada
PF Argentum US Corporation
Delaware
PF OFG South Korea 1 B.V.
Netherlands
PF PRISM C.V.
Netherlands
PF PRISM Holdings B.V.
Netherlands
PF PRISM IMB B.V.
Netherlands
Pfizer
France
Pfizer (Beijing) Research and Development Co., Ltd
People’s Republic of China
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Pfizer (China) Research and Development Co. Ltd.
People’s Republic of China
Pfizer (Hangzhou) Innovation Technology Co., Ltd.
People’s Republic of China
Pfizer (Malaysia) Sdn Bhd
Malaysia
Pfizer (North Carolina) LLC
Delaware
Pfizer (Perth) Pty Ltd
Australia
Pfizer (Thailand) Limited
Thailand
PFIZER (VIETNAM) LIMITED COMPANY
Vietnam
Pfizer (Wuhan) Research and Development Co. Ltd.
People’s Republic of China
Pfizer AB
Sweden
Pfizer AG
Switzerland
Pfizer Anti-Infectives AB
Sweden
Pfizer ApS
Denmark
Pfizer AS
Norway
Pfizer Asia Manufacturing Pte. Ltd.
Singapore
Pfizer Australia Holdings B.V.
Netherlands
Pfizer Australia Holdings Pty Limited
Australia
Pfizer Australia Investments Pty Ltd
Australia
Pfizer Australia Pty Ltd
Australia
Pfizer B.V.
Netherlands
Pfizer BH D.o.o.
Bosnia and Herzegovina
Pfizer Biopharma Egypt LLC
Egypt
Pfizer Biopharmaceuticals Egypt LLC
Egypt
Pfizer Bolivia S.A.
Bolivia
Pfizer Brasil Ltda.
Brazil
Pfizer Business Service (Dalian) Co., Ltd.
People’s Republic of China
Pfizer Canada ULC / Pfizer Canada SRI
Canada
Pfizer Chile S.A.
Chile
Pfizer Cia. Ltda.
Ecuador
Pfizer Colombia Spinco I LLC
Pennsylvania
Pfizer Consumer Healthcare
United Kingdom
Pfizer Corporation Austria Gesellschaft m.b.H.
Austria
Pfizer Corporation Hong Kong Limited
Hong Kong
Pfizer Corporation S. de R.L.
Panama
Pfizer Croatia d.o.o.
Croatia
Pfizer Deutschland GmbH
Germany
Pfizer Development LLC
Delaware
Pfizer Development Services (UK) Limited
United Kingdom
Pfizer Dominicana, S.R.L
Dominican Republic
Pfizer East India B.V.
Netherlands
Pfizer Eastern Investments B.V.
Netherlands
Pfizer Export B.V.
Netherlands
Pfizer Free Zone Panama, S. de R.L.
Panama
Pfizer Global Holdings B.V.
Netherlands
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Pfizer Global Holdings Pte. Ltd.
Singapore
Pfizer Global Supply Japan Inc.
Japan
Pfizer Gulf FZ-LLC
United Arab Emirates
Pfizer H.C.P. Corporation
New York
Pfizer Health AB
Sweden
Pfizer Health Solutions Inc.
Delaware
Pfizer Healthcare India Private Limited
India
Pfizer Healthcare Ireland Unlimited Company
Ireland
Pfizer Hellas, A.E.
Greece
Pfizer Himalaya Holdings Coöperatief U.A.
Netherlands
Pfizer Holding France
France
Pfizer Holding SG Pte. Ltd.
Singapore
Pfizer Holdings Corporation
Delaware
Pfizer Holdings International Pte. Ltd.
Singapore
Pfizer Holdings International LLC
Delaware
Pfizer Holdings International Luxembourg (PHIL) SARL
Luxembourg
Pfizer Holdings Singapore LLC
Delaware
Pfizer Innovations LLC
Russia
Pfizer Intermediate Holdings 1 Pte. Ltd.
Singapore
Pfizer Intermediate Holdings 2 Pte. Ltd.
Singapore
Pfizer International LLC
New York
Pfizer International Operations
France
Pfizer Investment Capital Unlimited Company
Ireland
Pfizer Investment Co., Ltd.
People’s Republic of China
Pfizer Investment Enterprises Holdings LLC
Delaware
Pfizer Investment Enterprises Holdings Pte. Ltd.
Singapore
Pfizer Investment Enterprises Pte. Ltd.
Singapore
Pfizer Investments Corporation
Delaware
Pfizer Ireland PFE Holding 1 LLC
Delaware
Pfizer Ireland PFE Holding 2 LLC
Delaware
Pfizer Ireland Pharmaceuticals Unlimited Company
Ireland
Pfizer Ireland Ventures Unlimited Company
Ireland
Pfizer Italia S.r.l.
Italy
Pfizer Japan Inc.
Japan
Pfizer Kazakhstan LLP
Kazakhstan
Pfizer Laboratories (Pty) Limited
South Africa
Pfizer Laboratories Limited
Kenya
Pfizer Leasing Ireland Limited
Ireland
Pfizer Leasing UK Limited
United Kingdom
Pfizer Limited
United Kingdom
Pfizer Limited
India
Pfizer Limited
Taiwan
Pfizer Luxembourg Global Holdings S.à r.l.
Luxembourg
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Pfizer Luxembourg SARL
Luxembourg
Pfizer Manufacturing Austria G.m.b.H.
Austria
Pfizer Manufacturing Belgium N.V.
Belgium
Pfizer Manufacturing Deutschland GmbH
Germany
Pfizer Manufacturing Deutschland Grundbesitz GmbH & Co. KG
Germany
Pfizer Manufacturing Ireland Unlimited Company
Ireland
Pfizer Manufacturing LLC
Delaware
Pfizer Manufacturing Services Unlimited Company
Ireland
Pfizer MAP Holding, Inc.
Delaware
Pfizer Medicamentos Genericos e Participacoes Ltda.
Brazil
Pfizer Mexico Holding B.V.
Netherlands
Pfizer Middle East and North Africa Regional Headquarter Company
Saudi Arabia
Pfizer Netherlands International Finance B.V.
Netherlands
Pfizer New Zealand Limited
New Zealand
Pfizer North America Services LLC
Delaware
Pfizer OTC B.V.
Netherlands
Pfizer Overseas LLC
Delaware
Pfizer Oy
Finland
Pfizer Pakistan Limited
Pakistan
Pfizer PFE CIA. Ltda.
Ecuador
Pfizer PFE Eastern Investments B.V.
Netherlands
Pfizer PFE Global Holdings B.V.
Netherlands
Pfizer PFE İlaçları Anonim Şirketi
Turkey
Pfizer PFE Pharmaceuticals Israel Holding LLC
Delaware
Pfizer PFE Pharmaceuticals Israel Ltd.
Israel
Pfizer PFE Service Company Holding B.V.
Netherlands
Pfizer PFE Spain B.V.
Netherlands
Pfizer Pharma GmbH
Germany
Pfizer Pharmaceutical (Wuxi) Co., Ltd.
People’s Republic of China
Pfizer Pharmaceutical Trading Limited Liability Company (a/k/a Pfizer Kft. or Pfizer LLC)
Hungary
Pfizer Pharmaceuticals Global B.V.
Netherlands
Pfizer Pharmaceuticals Israel Ltd.
Israel
Pfizer Pharmaceuticals Korea Limited
Republic of Korea
Pfizer Pharmaceuticals Science and Technology Co., Ltd.
People’s Republic of China
Pfizer Pharmaceuticals Tunisie Sarl
Tunisia
Pfizer Pigments Inc.
Delaware
Pfizer Polska Sp. z.o.o.
Poland
Pfizer Private Limited
Singapore
Pfizer Products Inc.
Connecticut
Pfizer Products India Private Limited
India
Pfizer R&D Japan G.K.
Japan
Pfizer R&D UK Limited
United Kingdom
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Pfizer Research (NC), Inc.
Delaware
Pfizer Romania SRL
Romania
Pfizer S.A.
Peru
Pfizer S.A.S.
Colombia
Pfizer S.G.P.S. Lda.
Portugal
Pfizer S.R.L.
Argentina
Pfizer S.r.l.
Italy
Pfizer SA (Belgium)
Belgium
Pfizer Saudi Limited
Saudi Arabia
Pfizer Saudi Trading LLC
Saudi Arabia
Pfizer Service Company BV
Belgium
Pfizer Service Company Ireland Unlimited Company
Ireland
Pfizer Shared Services Unlimited Company
Ireland
Pfizer Shareholdings Intermediate SARL
Luxembourg
Pfizer Singapore Development LP
Singapore
Pfizer Specialties Limited
Nigeria
Pfizer SRB d.o.o.
Serbia
Pfizer Strategic Investment Holdings LLC
Delaware
Pfizer Trading Polska sp.z.o.o.
Poland
Pfizer Transactions LLC
Delaware
Pfizer Tunisie SA
Tunisia
Pfizer Venezuela, S.A.
Venezuela
Pfizer Ventures (US) LLC
Delaware
Pfizer Ventures LLC
Delaware
Pfizer Worldwide Services Unlimited Company
Ireland
Pfizer Zona Franca, S.A.
Costa Rica
Pfizer, Inc.
Philippines
Pfizer, S.A.
Costa Rica
Pfizer, S.A. de C.V.
Mexico
Pfizer, S.L.U.
Spain
Pfizer, spol. s r.o.
Czech Republic
Pharmacia & Upjohn Company LLC
Delaware
Pharmacia & Upjohn LLC
Delaware
Pharmacia Brasil Ltda.
Brazil
Pharmacia Hepar LLC
Delaware
Pharmacia Inter-American LLC
Pennsylvania
Pharmacia International B.V.
Netherlands
Pharmacia Limited
United Kingdom
Pharmacia LLC
Delaware
PHIVCO Corp.
Delaware
PHIVCO Luxembourg S.à r.l.
Luxembourg
PIMB OFG Spain Holding, S.L.
Spain
PT. Pfizer Indonesia
Indonesia
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Purepac Pharmaceutical Holdings LLC
Delaware
Renrall LLC
Wyoming
Rinat Neuroscience Corp.
Delaware
Sao Cristovao Participacoes Ltda.
Brazil
Seagen Inc.
Delaware
Searle Laboratorios, Lda.
Portugal
Servicios P&U, S. de R.L. de C.V.
Mexico
Shiley LLC
California
Sinergis Farma-Produtos Farmaceuticos, Lda.
Portugal
Solinor LLC
Delaware
SPA Pfizer Pharm Algerie
Algeria
Sugen LLC
Delaware
Tabor LLC
Delaware
The Pfizer Incubator LLC
Delaware
Trillium Therapeutics ULC
Canada
Upjohn Laboratorios Lda.
Portugal
Vicuron Holdings LLC
Delaware
Warner Lambert del Uruguay S.A.
Uruguay
Warner-Lambert Company GmbH
Switzerland
Warner-Lambert Company LLC
Delaware
W-L LLC
Delaware
Wyeth Ayerst Inc.
Delaware
Wyeth Farma, S.A.
Spain
Wyeth Holdings LLC
Maine
Wyeth Lederle S.r.l.
Italy
Wyeth LLC
Delaware
Wyeth Pakistan Limited
Pakistan
Wyeth Pharmaceuticals LLC
Delaware
Wyeth Subsidiary Illinois Corporation
Illinois
Wyeth-Ayerst (Asia) LLC
Delaware
Wyeth-Ayerst International LLC
Delaware
Wyeth-Ayerst Promotions Limited
Delaware
ZIHIPP LTD
United Kingdom
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