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Home›Companies›Pfizer
Pfizer logo

Pfizer

New York, NY, United States Pharmaceutical 88,000 employees Founded 1849 PFE pfizer.com ↗
8 Products & services
257 Licensed medicines
224 Clinical trials
3 Sites
88,000 Employees

About Pfizer

Pfizer is one of the world's largest pharmaceutical companies, headquartered in New York City, with US manufacturing and R&D across the Northeast and a broad portfolio spanning vaccines, oncology and internal medicine.

Sector
Pharmaceutical
Headquarters
New York, NY, United States
Founded
1849
Employees
88,000
Facilities
3 sites

Milestones

Milestones as listed on pfizer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

1849
Charles Pfizer & Company founded in Brooklyn, NY
Founded by cousins Charles Pfizer and Charles Erhart.
Source: pfizer.com
1944
Pfizer mass-produces penicillin
Deep-tank fermentation made Pfizer the world's largest penicillin producer.
Source: pfizer.com
1950
Terramycin becomes first drug sold under Pfizer label
Also marked start of overseas expansion and Pfizer's sales force.
Source: pfizer.com
2000
Pfizer and Warner-Lambert merge
Source: pfizer.com
2003
Pfizer and Pharmacia combine operations
Source: pfizer.com
2009
Pfizer acquires Wyeth
Source: pfizer.com
2020
COVID-19 vaccine and treatment development
Timeline entry covers 2020-2021 pandemic vaccine and treatment work.
Source: pfizer.com
2023
Pfizer acquires Seagen
Biotech focused on cancer medicines.
Source: pfizer.com

Leadership Team

Leadership as listed on pfizer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

Dr. Albert Bourla

Chairman and Chief Executive Officer
Source: pfizer.com

Chris Boshoff, MD, PhD

Chief Scientific Officer and President, Research & Development
Source: pfizer.com

Cecile Guegan

Interim Chief Financial Officer and Executive Vice President
Source: pfizer.com

Alexandre de Germay

Chief International Commercial Officer, Executive Vice President
Source: pfizer.com

Aamir Malik

Chief U.S. Commercial Officer, Executive Vice President
Source: pfizer.com

Mike McDermott

Chief Global Supply and Quality Officer, Executive Vice President
Source: pfizer.com

Products & Services

Products and services as listed on pfizer.com, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

All Cardiovascular Oncology Vaccines Anti-infective Rare disease
Cardiovascular

ELIQUIS

Apixaban.

Source: pfizer.com
Oncology

IBRANCE

Palbociclib.

Source: pfizer.com
Oncology

PADCEV

Enfortumab vedotin-ejfv.

Source: pfizer.com
Vaccines

Prevnar 20

20-valent pneumococcal conjugate vaccine.

Source: pfizer.com
Vaccines

COMIRNATY

mRNA COVID-19 vaccine.

Source: pfizer.com
Vaccines

ABRYSVO

Respiratory syncytial virus vaccine.

Source: pfizer.com
Anti-infective

PAXLOVID

Nirmatrelvir and ritonavir.

Source: pfizer.com
Rare disease

VYNDAQEL / VYNDAMAX

Tafamidis meglumine and tafamidis capsules.

Source: pfizer.com

Sites in Ireland

Cork

Operations

One of Pfizer's Irish locations (Cork, Dublin, Kildare) per Pfizer Ireland.

Source: pfizer.ie

Dublin (Grange Castle)

R&D

Global Biotherapeutics Technology group, part of Pfizer Worldwide R&D, established 2006.

Source: pfizer.ie

Kildare

Operations

One of Pfizer's Irish locations per Pfizer Ireland.

Source: pfizer.ie

Sites as listed on pfizer.ie, checked 26 Sep 2026. Details can change; the linked page is the authoritative source.

Pipeline & Regulatory Record

What public registers list for Pfizer (group figures): clinical trials it sponsors, FDA device clearances, Irish licences, recent approvals and supply shortages. Rebuilt daily, last on 6 Oct 2026.

224Trials as lead sponsor
115Recruiting now
2With a site in Ireland
0FDA device clearances

Clinical trials 224 in our ClinicalTrials.gov registers · 18 in the EU register

StudyPhaseStatus
Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease
NCT06760637 · site in Ireland · Breast Cancer
Phase 3Active, closed
Real-World Effectiveness of Ritlecitinib in Alopecia Areata Patients in the US: A Retrospective Analysis Using EHR and Claims Data
NCT07821216 · Alopecia Areata
ObservationalActive, closed
Real-World Effectiveness of RSV Vaccines Among Adults Using Target Trial Emulation in Epic Cosmos
NCT07673081 · Respiratory Syncytial Virus (RSV)
ObservationalActive, closed
A Study to Learn About Study Medicine Lorlatinib, as a First-line Treatment in Chinese Adults With ALK-positive a/mNSCLC
NCT07556549 · Non-Small Cell Lung Cancer ALK-positive
ObservationalActive, closed
A Study of PF-08653945 and PF-08653944 in Adults With Overweight or Obesity
NCT07575932 · Overweight, Obesity
Phase 2Active, closed
A Real World Study of Elranatamab in Patients With RR Multiple Myeloma in Taiwan
NCT07391761 · Refractory Multiple Myeloma (RRMM)
ObservationalActive, closed
A Study to Learn About Patients With Non-Small Cell Lung Cancer (NSCLC) Who Took Lorlatinib as Their First Treatment
NCT07567352 · Non-Small-Cell Lung, ALK-positive Advanced NSCLC
ObservationalActive, closed
An Observational Study to Learn About Velsipity After Long Term Use in Patients With Ulcerative Colitis
NCT07459686 · Ulcerative Colitis (UC)
ObservationalActive, closed
A Study to Learn About the Study Medicine - Zavicefta in Patients With Sepsis or Loss of Kidney Function in Japan
NCT06864585 · Infectious Diseases
ObservationalActive, closed
A Retrospective Observational Study of Epidemiology and Outcomes in Transthyretin Amyloid Cardiomyopathy in Germany
NCT07494656 · ATTR-CM (Transthyretin Amyloid Cardiomyopathy)
ObservationalActive, closed

Showing 10 of 224, trials with Irish sites first. The full lists are on the sponsor pages below.

All trials by sponsor name 1 registry name

Drugs in these trials 112 compounds

EU trials register (CTIS) 18 authorised or ongoing · 1 in Ireland

Recent approvals

  • Butorphanol Tartrate Preservative FreeFDA · Butorphanol Tartrate · 23 Jan 1997 · Generic (ANDA)
  • Cleocin HydrochlorideFDA · Clindamycin Hydrochloride · 22 Feb 1970 · New Drug (NDA)

Medicine shortages 54 in the FDA list · 15 German notices

  • Dexmedetomidine Hydrochloride InjectionUS (FDA) · in shortage · updated 2 Oct 2026
  • Methylprednisolone Acetate InjectionUS (FDA) · in shortage · updated 2 Oct 2026
  • Carboplatin InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Sodium Bicarbonate InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Midazolam Hydrochloride InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Methotrexate Sodium InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Hydromorphone Hydrochloride InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Sodium Acetate InjectionUS (FDA) · in shortage · updated 1 Oct 2026
  • Minprostin E2 Vaginalgel 2mgGermany (BfArM) · 1 Dec 2025 to 30 Nov 2026
  • Lantarel 7,5 mgGermany (BfArM) · 1 Sep 2026 to 31 Dec 2026
  • Lantarel 7,5 mgGermany (BfArM) · 1 Sep 2026 to 31 Dec 2026
  • AmsparityGermany (BfArM) · 1 Nov 2025 to 31 Dec 2026
  • AtgamGermany (BfArM) · 15 Sep 2026 to 30 Nov 2026

A company is listed here when it is named on the shortage record; a shortage can have several manufacturers. See the US and German shortage trackers.

NICE technology appraisals 42 of its medicines · 41 current

Appraisals of medicines sold under a brand this company holds in EMA or FDA records, from our NICE appraisals register. NICE decisions apply to the NHS in England. © NICE 2026 technology appraisal guidance. Available from www.nice.org.uk/guidance. All rights reserved. Subject to Notice of rights. NICE guidance is prepared for the National Health Service in England. All NICE guidance is subject to regular review and may be updated or withdrawn. NICE accepts no responsibility for the use of its content in this product/publication.

Group (Pfizer): founded 1849, headquarters New York City, website pfizer.com. Wikidata Q206921 · Wikipedia. From Wikidata (CC0), matched by the group's SEC filer number.

How this is matched: register records are linked to this page by the organisation name they carry, here Pfizer; Pfizer Inc.; Pfizer Europe MA EEIG; Pfizer Healthcare Ireland Unlimited Company; Pfizer Service Company BVBA; Pfizer Ireland Pharmaceuticals and 7 more. Spot a wrong match? Tell us.

Financials & Irish Entities

From the annual reports Pfizer Inc. files with the US Securities and Exchange Commission (10-K, US GAAP), in USD as reported. Latest financial year: to Dec 2025.

$62.6bnRevenue
$10.4bnR&D expense
16.7%R&D as % of revenue
$7.8bnNet income (12.4% margin)
Revenue and R&D expense, USD bn$0.0bn$50bn$100bn$150bnDec 2021Dec 2022Dec 2023Dec 2024Dec 2025Dec 2021: $81bn (Revenue)Dec 2022: $101bn (Revenue)Dec 2023: $60bn (Revenue)Dec 2024: $64bn (Revenue)Dec 2025: $63bn (Revenue)RevenueDec 2021: $10bn (R&D expense)Dec 2022: $11bn (R&D expense)Dec 2023: $11bn (R&D expense)Dec 2024: $11bn (R&D expense)Dec 2025: $10bn (R&D expense)R&D expense
RevenueR&D expense
Year toRevenueR&DR&D %Net incomeFiling
Dec 2025$62.58bn$10.44bn16.7%$7.77bn10-K 2026
Dec 2024$63.63bn$10.82bn17.0%$8.03bn10-K 2026
Dec 2023$59.55bn$10.68bn17.9%$2.12bn10-K 2026
Dec 2022$101.2bn$11.43bn11.3%$31.37bn10-K 2025
Dec 2021$81.29bn$10.36bn12.7%$21.98bn10-K 2024

R&D is shown as tagged in the filing, which for this company can exclude acquired in-process R&D. Each year is taken from the most recent annual report that includes it, so earlier years reflect any later restatement. Source: SEC EDGAR (XBRL financial data). Compare companies on the pharma company financials register.

Companies registered in Ireland 14 active in the CRO register · 5 dissolved not shown

CompanyCRO no.RegisteredLast accounts
Pfizer Manufacturing Ireland Unlimited Company
ULC - Private Unlimited Company · LEI 549300I9VNI3ESCYRO60
793551980Nov 2024
Pfizer Healthcare Ireland Unlimited Company
ULC - Private Unlimited Company · LEI 549300FGM84PB662TJ98
1270021987Nov 2024
Pfizer Service Company Ireland Unlimited Company
ULC - Private Unlimited Company · LEI 549300CU3OGJ7EMS2U55
1676471990Nov 2024
Pfizer Ireland Ventures Unlimited Company
ULC - Private Unlimited Company · LEI 549300UIRPWUKR8LSS76
3314192000Nov 2024
Pfizer Investment Capital Unlimited Company
ULC - Private Unlimited Company · LEI 4AI57B9S5JMWNID5H796
3466152001Nov 2024
Pfizer Shared Services Unlimited Company
ULC - Private Unlimited Company · LEI 549300JBHFOL5SPE1J86
3557552002Nov 2024
Pfizer Manufacturing Services Unlimited Company
ULC - Private Unlimited Company · LEI 5493000Y3NC07VIPVH21
3960292005Nov 2024
Wyeth Pharmaceuticals Limited
LTD - Private Company Limited by Shares
4212382006Nov 2024
Pfizer Ireland Pharmaceuticals Unlimited Company
ULC - Private Unlimited Company · LEI 254900916EI8NU0SVV60
4909382010Nov 2024
Pfizer Leasing Ireland Limited
LTD - Private Company Limited by Shares
5289722013Nov 2024
Pfizer Worldwide Services Unlimited Company
ULC - Private Unlimited Company · LEI 5493007J03RWC66D2U30
5593242015Nov 2024
Pfizer Ireland Unlimited Company
ULC - Private Unlimited Company
7516732023Nov 2025
Pfizer Ireland Holdings Unlimited Company
ULC - Private Unlimited Company
7518432023Nov 2025
Pfizer Cork Limited Liquidation
LTD - Private Company Limited by Shares · LEI 549300EFJSN25CD1DK58
2183711994Nov 2014

From the Companies Registration Office (CRO Open Data, CC BY 4.0). A company is listed when GLEIF's legal entity register links it to Pfizer Inc. as its ultimate parent, or when we checked its name and registered address by hand. Branches of foreign companies appear as "External company". Spot a missing or wrong entry? Tell us.

In the News

No coverage yet — our newsroom tracks Pfizer continuously.

Research Publications

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FDA Recalls (US)

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