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ISMEN Index Memberships and Weightsİş Yatırım Menkul Değerler A.Ş.

Star MarketBrokerage Houses

25.480.26 (1.03%)

Volume: TRY 121.4M
Day range: 24.60 – 25.70
Previous close: 25.22
Market cap: TRY 38.2B

Last updated: November 2, 2026, 17:17 Source: Borsa Istanbul, 15-minute delayed

The Borsa Istanbul indices that include İş Yatırım Menkul Değerler A.Ş. (ISMEN), its weight in each index and its effect on index points.

Index Memberships


BIST 100 (XU100)
BIST 500 (XU500)
BIST All Shares (XUTUM)
XYUZO (XYUZO)
X100S (X100S)
X100C (X100C)
BIST Star (XYLDZ)
BIST Dividend (XTMTU)
BIST Dividend 25 (XTM25)
BIST Sustainability All (XUSRD)
XTM25S (XTM25S)
XT05Y (XT05Y)
XT10Y (XT10Y)
BIST Financials (XUMAL)
BIST Brokerage Houses (XAKUR)

Frequently Asked Questions

Is ISMEN in the BIST 100 index?

Yes. ISMEN is a BIST 100 constituent.

Why does index weight matter?

Index funds and benchmark-tracking institutions hold stocks in proportion to their weights, so a higher weight means index-driven flows have a larger effect on the stock.