Amgen (United States)

Amgen Inc. is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. As one of the world's largest independent biotechnology companies, Amgen has approximately 24,000 staff in total as of 2022. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Amgen (United States), United States, covering academic research published from 2000 to 2024. Read More.

Open Access Percentage

48%

Total
Publications

15K

Total Open
Publications

Total
Citations

776K

Open Access
Percentage

48%

Total
Publications

15K

Total Open
Publications

Total
Citations

776K

Wikipedia

Website

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Breakdown

Publisher Open

20%

Both

19%

Other Platform Open

Closed

53%

Percentage of Open Access over time

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

Open

Closed

Publisher Open

OA Journal 22%

1.3K

Hybrid 42%

2.5K

No Guarantees 36%

2.1K

Other Platform Open

Domain 84%

3.4K

Institution 19%

772

Other Internet 9%

372

Public 9%

354

Preprint 6%

229

Other Platform Locations

Name	Platform Type	Publications
PubMed Central	Domain	3.4K
Europe PMC	Domain	2K
DOI	Other Internet	339
Semantic Scholar	Public	248
Figshare	Public	242
bioRxiv	Preprint	110
California Digital Library - eScholarship	Other Internet	90
University of California - eScholarship University of California	Institution	79
Research Square	Preprint	75
Taylor and Francis Group - Dove Medical Press	Other Internet	54

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Data updated 7 April 2025