WhichIndex

Which indexes is Turk Telekom in?

Turk Telekom is in 1 of the 57 indexes we track. Its largest weight is 1.59% (estimated from market cap) in the BIST 100, where it ranks #19 of 100.

Ticker
TTKOM (Borsa Istanbul)
Country
Turkey
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
30 Sep 2026

Member of 1 index

Turk Telekom's index memberships
IndexWeight %RankIndex size
BIST 1001.59 (est.)19100

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.

Turk Telekom across every index we track

Lit tiles are the indexes Turk Telekom belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Turk Telekom in each index
IndexRanked aboveRanked below
BIST 100Astor Enerji (1.67%)Sabanci Holding (1.54%)