Brandtree

Bayer: brands it owns and its ownership tree

Bayer (XETRA: BAYN) is a publicly listed company headquartered in Leverkusen, Germany that owns 9 consumer brands across 4 categories, and has 1 recorded transaction.[1]

Bayer was founded in Germany in 1863 as a dye maker and synthesised aspirin in 1897. It spans pharmaceuticals, crop science and consumer health, and its 2018 acquisition of Monsanto brought both the Roundup weedkiller and tens of thousands of lawsuits alleging that glyphosate causes cancer.

Company facts

Legal name
Bayer AG
Type
publicly listed company · see all publicly listed company owners
Headquarters
🇩🇪 Leverkusen, Germany
Founded
1863
Tickers
XETRA: BAYN
Wikidata
Q152051
Website
www.bayer.com
Last verified
· 1 sources

Bayer in numbers

Everything Bayer owns

2026

Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.

Everything Bayer owns Tree of 9 brands under Bayer. Bayer Alka-Seltzer Aspirin Bepanthen Berocca Canesten Claritin Elevit One A Day and 1 more

Full-screen interactive tree → · Download as infographic

Brand portfolio by category

Full portfolio, 9 brands, with sources →

Acquisitions by Bayer

Acquisition closed

Bayer acquires Roundup

Bayer acquired Monsanto for $128 per share in cash, creating the largest agricultural inputs company in the world. Regulators required Bayer to sell substantial seed and crop protection assets to BASF. The deal brought Bayer the Roundup brand and the glyphosate litigation attached to it, which has since cost it many billions in settlements.

Value
$63bn
Buyer
Bayer
Seller
Monsanto
Regulatory
None recorded

Latest news about Bayer

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Frequently asked questions

What brands does Bayer own?

Bayer owns 9 consumer brands tracked here, including Bepanthen, Aspirin, Alka-Seltzer, One A Day, Elevit and Canesten.

Is Bayer a German company?

Yes. Bayer is headquartered in Leverkusen, Germany and was founded in 1863.

Who owns Bayer?

Bayer is a publicly listed company owned by its shareholders; it trades as BAYN on the XETRA.

What was Bayer's most recent acquisition?

The most recent completed acquisition recorded here is Roundup on 7 June 2018.

Sources (1) & corrections

Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.

  1. [1] Bayer AG Annual Report 2025 — Bayer AG, Annual report, published 10 March 2026; retrieved 6 September 2026.

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