Which indexes is GSK in?
GSK is in 2 of the 57 indexes we track. Its largest weight is 2.79% in the FTSE 100, where it ranks #9 of 100.
- Tickers
- GSK (London Stock Exchange)
GSK (NYSE) - Country
- United Kingdom
- Sector
- Health Care
- Size
- Large cap (market cap $10–200 billion; exact figure in the ranking)
- Data as of
- 16 Oct 2026
Member of 2 indexes
| Index | Weight % | Rank | Index size |
|---|---|---|---|
| FTSE 100 | 2.79 | 9 | 100 |
| NYSE Composite | 0.21 (est.) | 112 | 1865 |
Source: each index's own source, listed on its page. How we source this. Weights are estimates where marked. This page is refreshed when a membership changes or a weight moves by more than 10%; each index page has the daily figures.
GSK across every index we track
Lit tiles are the indexes GSK belongs to; the shade is its weight there.
Americas
Europe
- Euro Stoxx 50not in
- ATXnot in
- BEL 20not in
- OMX Copenhagen 20not in
- OMX Tallinnnot in
- OMX Helsinki 25not in
- CAC 40not in
- DAXnot in
- OMX Iceland 15not in
- ISEQ 20not in
- FTSE MIBnot in
- OMX Riganot in
- OMX Vilniusnot in
- LuxXnot in
- AEXnot in
- AMXnot in
- AMS Next 20not in
- OSEBXnot in
- WIG20not in
- PSInot in
- MOEX Russianot in
- IBEX 35not in
- IBEX Medium Capnot in
- IBEX Small Capnot in
- OMX Stockholm 30not in
- SMInot in
- BIST 100not in
- FTSE 1002.79%
Asia-Pacific
Middle East & Africa
Fewermore
Neighbours by weight
| Index | Ranked above | Ranked below |
|---|---|---|
| FTSE 100 | Rio Tinto (2.95%) | Lloyds Banking Group (2.38%) |
| NYSE Composite | Freeport-McMoRan (0.21%) | Trane Technologies (0.21%) |