WhichIndex

Which indexes is Tosoh Corp. in?

Tosoh Corp. is in 1 of the 57 indexes we track. Its largest weight is 0.06% in the Nikkei 225, where it ranks #178 of 225.

Ticker
4042 (Tokyo Stock Exchange)
Country
Japan
Sector
Materials
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 1 index

Tosoh Corp.'s index memberships
IndexWeight %RankIndex size
Nikkei 2250.06178225

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.

Tosoh Corp. across every index we track

Lit tiles are the indexes Tosoh Corp. belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Tosoh Corp. in each index
IndexRanked aboveRanked below
Nikkei 225Toray Industries, Inc. (0.06%)Cyberagent, Inc. (0.05%)