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Index constituents

BIST Participation 50 constituents

According to Borsa Istanbul's list for the October 2026 to April 2027 period, BIST Participation 50 has 50 companies. This period, Borsa Istanbul added 24 shares to the index and removed 24 (Borsa Istanbul announcement, September 29, 2026).

Dated October 1, 2026No. SGL-2026-XK050

Borsa Istanbul's official index record and Sağlama's independent calculation are shown separately, including where they differ. Method

Companies in BIST Participation 50
TICKERCOMPANYOTHER PARTICIPATION INDICESSAĞLAMA MEASUREMENTTHIS PERIOD
AHGAZAhlatcı Doğal GazParticipation 30, Participation 100Statements to be read againfirst half 2026New
AKCNSAkçansaParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityMeasurement to comeNew
AKFYEAkfen Yenilenebilir EnerjiParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026New
ALBRKAlbaraka TürkParticipation 30, Participation 100, Participation SustainabilityNot published, as a precautionNew
ALTNYAltınay SavunmaParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026
ARASEDoğu Aras EnerjiParticipation 100, Participation DividendMeasurement to comeNew
ASELSAselsanParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityStatements to be read againQ1 2026
ATAKPAtakey PatatesParticipation 100Depends on the company's declarationfirst half 2026New
AVPGYAvrupakent GYOParticipation 100, Participation DividendDepends on the company's declarationfirst half 2026New
AYDEMAydem EnerjiParticipation 100, Participation SustainabilityMeasurement to comeNew
BASGZBaşkent Doğalgaz GYOParticipation 100, Participation DividendStatements to be read againfirst half 2026New
BERABera HoldingParticipation 30, Participation 100Depends on the company's declarationfirst half 2026
BETAEBeta Enerji ve TeknolojiParticipation 100Near the thresholdfirst half 2026New
BIMASBİM Birleşik MağazalarParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityAll three ratios within the thresholdfirst half 2026
BINHO1000 Yatırımlar HoldingParticipation 30, Participation 100Statements to be read againfirst half 2026
BUCIMBursa ÇimentoParticipation 100Statements to be read againfirst half 2026New
CIMSAÇimsaParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityNear the thresholdfirst half 2026
CVKMDCVK MadenParticipation 30, Participation 100Statements to be read againQ1 2026
CWENECW EnerjiParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026
EGGUBEge GübreParticipation 100, Participation DividendAll three ratios within the thresholdfirst half 2026New
EGPROEge ProfilParticipation 100, Participation DividendStatements to be read againfirst half 2026New
EKGYOEmlak Konut GYOParticipation 30, Participation 100Depends on the company's declarationfirst half 2026
ENERYEnerya EnerjiParticipation 30, Participation 100, Participation DividendMeasurement to comeNew
ENJSAEnerjisa EnerjiParticipation 30, Participation 100, Participation SustainabilityStatements to be read againfirst half 2026
EREGLEreğli Demir ve ÇelikParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityAll three ratios within the thresholdfirst half 2026
GLRMKGülermak Ağır SanayiParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026
GRSELGür-Sel Turizm TaşımacılıkParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityStatements to be read againQ1 2026
GUBRFGübre FabrikalarıParticipation 30, Participation 100Measurement to come
ISDMRİskenderun Demir ÇelikParticipation 100, Participation Dividend, Participation SustainabilityAll three ratios within the thresholdfirst half 2026New
KARSNKarsan OtomotivParticipation 100, Participation SustainabilityStatements to be read againfirst half 2026
KATMRKatmerciler EkipmanParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026
KBORUKuzey BoruParticipation 100, Participation DividendStatements to be read againfirst half 2026New
KCAERKocaer ÇelikParticipation 30, Participation 100, Participation DividendStatements to be read againQ1 2026
KRDMDKardemirParticipation 30, Participation 100Statements to be read againQ1 2026
LMKDCLimak Doğu AnadoluParticipation 100Depends on the company's declarationfirst half 2026New
MAVIMavi GiyimParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityStatements to be read againperiod ending April 2026
MOPASMopaş MarketçilikParticipation 100All three ratios within the thresholdfirst half 2026New
MPARKMLP SağlıkParticipation 30, Participation 100Not published, as a precaution
NETCDNetcad YazılımParticipation 100, Participation DividendFinancial statements not obtained
NTGAZNaturelgazParticipation 100, Participation DividendAll three ratios within the thresholdfirst half 2026New
OBAMSOba MakarnacılıkParticipation 30, Participation 100All three ratios within the thresholdfirst half 2026
PARSNParsanParticipation 100Statements to be read againQ1 2026New
PETKMPetkimParticipation 30, Participation 100, Participation SustainabilityStatements to be read againfirst half 2026
POLHOPolisan HoldingParticipation 100, Participation SustainabilityDepends on the company's declarationfirst half 2026New
SNGYOSinpaş GYOParticipation 100Depends on the company's declarationfirst half 2026New
TCKRCKıraç GalvanizParticipation 30, Participation 100Measurement to comeNew
TKFENTekfen HoldingParticipation 30, Participation 100, Participation SustainabilityAll three ratios within the thresholdfirst half 2026
TUPRSTüpraşParticipation 30, Participation 100, Participation Dividend, Participation SustainabilityAll three ratios within the thresholdfirst half 2026
TUREXTureks Turizm TaşımacılıkParticipation 30, Participation 100Measurement to come
VAKKOVakko TekstilParticipation 100, Participation DividendFinancial statements not obtainedNew

Source: Borsa Istanbul's list of participation index constituents (CSV), Oct 1, 2026 · Measurements: Sağlama's own calculation

Shares added and removed this period

The changes apply from October 1, 2026. Borsa Istanbul announced them on September 29, 2026 (KAP disclosure 1669816).

Shares added to the index (24)

Shares removed from the index (24)

Reserve shares

If Borsa Istanbul removes a share from this index during the period, it adds one of the reserve shares in its place (Ground Rules 8.1). The reserve shares, in the order of the announcement:

  1. 1YEOTKYEO Teknoloji Enerji
  2. 2DOFRBDOF Robotik
  3. 3MEGMTMega Metal
  4. 4SELECSelçuk Ecza Deposu
  5. 5SMRTGSmart Güneş Enerjisi Teknolojileri

How the index is composed

BIST Participation 50 consists of 50 shares selected from the companies in BIST Participation All Shares that trade on the Star Market, and it includes the BIST Participation 30 shares (Ground Rules, October 2026, section 3.14). The shares are chosen from those that will be in BIST Participation All Shares, trade on the Star Market and have traded for at least 20 days, by a ranking on the average market value of their free float and on average daily trading volume; if there are not enough Star Market shares, the shortfall is filled from Main Market shares (sections 6.9 and 7).

Next period

The next period starts on May 1, 2027. Borsa Istanbul is expected to announce the new list by April 29, 2027 at the latest (Ground Rules 2.17).

Sağlama's expectation for each member is on the Review forecast page. This is a forecast, not the official list.

Sources

  • Borsa Istanbul, participation indices pageView the document
  • Borsa Istanbul, list of participation index constituents (CSV)Oct 1, 2026View the document
  • Borsa Istanbul announcement: periodic changes to the participation indices (PDF)Sep 29, 2026View the document
  • KAP disclosure 1669816 of the periodic changesSep 29, 2026View the document
  • Borsa Istanbul, Ground Rules for the market capitalization weighted equity indices (PDF, in Turkish)October 2026 editionView the document

This page is for information only. This is not investment advice.