Bayer AG (BAYN)

BAYN · Health Care · Germany Germany

Bayer AG (BAYN) is a German company in the Health Care sector. The stock has its largest weight in EXS1 (DAX), at 2.64%. Anyone who holds an ETF containing Bayer also has an indirect stake in the company.

Data and Charts: Bayer

Key Data for Bayer

Held in34 ETFs
Highest weight2.64%
Indices13
SectorHealth Care
CountryGermany
ISINDE000BAY0017
WKNBAY001

Data note 1

Alysly Data Analysis: Bayer

Bayer Connections

The map shows how Bayer connects to ETFs, indices and other names. Each link is based on measured data and is not a recommendation.

View the full data network

What ETF Is Bayer In?

Bayer has very high ETF coverage and is held by 34 of the 104 ETFs we track, which together follow 13 indices. That puts the stock in more ETFs than 99.9% of the 4,341 stocks we track.

Data note 2

What ETF is Bayer in
ETFIndexWeightper €1,000 in the ETF
EXS1DAX2.64%€26.40
DBXD / XDDADAX2.64%€26.39
XESC / XESXEuro STOXX 501.06%€10.62
ZPREMSCI EMU0.73%€7.25
XD5EMSCI EMU0.72%€7.21
XEMUMSCI EMU0.72%€7.21
XDWHMSCI World Health Care0.58%€5.80
SPFSMSCI World Health Care0.58%€5.79
XDEVMSCI World Value0.48%€4.76
SPYEMSCI Europe0.38%€3.81
XMEU / XIEEMSCI Europe0.38%€3.81
IMEAMSCI Europe0.38%€3.80
EXSASTOXX Europe 6000.35%€3.50
XSX6 / XSX7STOXX Europe 6000.35%€3.49
X600 / XESUSTOXX Europe 6000.35%€3.49
WVALMSCI World Value0.27%€2.71
EXUS / EXU1MSCI World ex USA0.21%€2.14
XDEMMSCI World Momentum0.17%€1.69
SPYI / SPSAMSCI ACWI IMI0.08%€0.84
EUNLMSCI World0.06%€0.60
XDWD / XDWLMSCI World0.06%€0.58
SWWDMSCI World0.06%€0.57
SPPWMSCI World0.06%€0.57
WIMIMSCI World IMI0.05%€0.52
SPYYMSCI ACWI0.05%€0.51
IUSQMSCI ACWI0.05%€0.50

Data note 3

The last column shows how much of €1,000 in one of these funds goes to Bayer, based on each fund's latest holdings list.

US-listed ETFs holding Bayer (weight per latest SEC filing): VXUS 0.12%. These funds are registered in the US; retail investors in the EU usually cannot buy them.

Bayer Weight in iShares Core MSCI World (EUNL) Since 2019

Sep 30, 2019Oct 29, 2026

In iShares Core MSCI World (EUNL), Bayer had a weight of 0.16% on Sep 30, 2019 and 0.06% on Oct 29, 2026. The fund tracks the MSCI World. Its share peaked at 0.17% on Dec 31, 2019. The weight rises and falls with the stock's price performance relative to the other index members. It can also change when the index provider adjusts the index composition.

Data note 4

What's Inside Your ETF Portfolio and the ETF overlap check show how much Bayer overlaps with the rest of a portfolio.

Stocks With ETF Exposure Similar to Bayer

Stocks with ETF exposure similar to Bayer
StockShared ETFsr
Bayer––
Fresenius Medical Care31–
Fresenius31–
Qiagen31–
Siemens Healthineers30–
DHL N32–
Bayerische Motoren Werke31–
Mercedes-Benz Group N31–
Deutsche Bank Aktiengesellschaft31–

These stocks reach a portfolio through largely the same funds as Bayer. “Shared ETFs” counts the funds that hold both.

Data note 5

Fundamental Analysis: Bayer

Latest Patents Granted to Bayer

In the 52 weekly issues of the US patent office from Nov 4, 2025 to Oct 27, 2026, Bayer received 92 utility patents and 1 design patents. That is 0.029% of all utility patents the US patent office granted in those weeks. The median time from filing to grant was 5.0 years.

The five most recent utility patents granted to Bayer
GrantedPatentTitleFiledTechnology field
US 12774273 B2Substituted thiophene carboxamides and derivatives thereofC07D Chemistry; metallurgy
US 12770726 B2System, method, and computer program product for providing a gateway to connect a fluid delivery system and external systemsG16H Healthcare informatics
US 12760047 B2Phosphorus derivatives as SOS1 inhibitorsC07F Chemistry; metallurgy
US 12759981 B2Cholinate of 2-(1-cyclobutyl-1H-pyrazol-4-yl)-5-[([{1-[2-fluoro-4-(trifluoromethyl)-phenyl]cyclopropyl}carbonyl)amino]benzoic acidC07D Chemistry; metallurgy
US 12746330 B2Fluid paths for angiography injector assemblyA61M Human necessities

These are grants, not applications. The office usually publishes an application 18 months after the priority date; the grant tends to come much later. Owners counted: BAYER AKTIENGESELLSCHAFT; BAYER HEALTHCARE LLC; Bayer Pharma Aktiengesellschaft and Bayer Oy. Titles as published by the office; median time based on 41 patents with a known filing date.

The patent screener lists more grants, filterable by company, type and technology field. The M&A and patents page compares companies.

Data note 6

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