BIST Participation 50 Stocks
As of Nov 2, 2026, 14:31, the BIST Participation 50 (XK050) index has 50 constituents; the largest weight is ASELS (11.90%).
- Constituents
- 50
- 30 ▲ · 20 ▼
- Index return · 1D
- 0.64%
- today
- Top 5 weight
- 46.6%
- ASELS · TUPRS · BIMAS · EREGL · EKGYO
- Highest weight
- ASELS
- 11.90% of index
Period Returns
- Day
- 0.64%
- Week
- −2.06%
- Month
- −14.38%
- YTD
- −0.87%
- 1 year
- −2.64%
Constituent Stocks
 ASELSAselsan | 11.90% | 345.75−0.36% | −0.36% | 1.6T | 32.35 | 4.69 | 27.83 | 0.13% |
 TUPRSTüpraş | 10.54% | 337.25−1.82% | −1.82% | 649.8B | 8.93 | 1.42 | 5.12 | 1.78% |
 BIMASBim Mağazalar | 9.58% | 355.502.30% | 2.30% | 426.6B | 14.41 | 2.11 | 9.53 | 0.60% |
 EREGLEreğli Demir Çelik | 9.52% | 29.880.74% | 0.74% | 209.2B | 22.65 | 0.62 | 9.36 | 1.36% |
 EKGYOEmlak Konut GMYO | 5.07% | 16.622.66% | 2.66% | 63.2B | — | 0.41 | 6.76 | 2.86% |
 MPARKMLP Sağlık | 4.91% | 388.252.44% | 2.44% | 74.2B | 11.06 | 1.68 | 5.01 | — |
 ENERYEnerya Enerji | 4.27% | 13.490.97% | 0.97% | 121.4B | 21.58 | 1.86 | 16.41 | 0.19% |
 KRDMDKardemir (D) | 4.05% | 37.343.26% | 3.26% | 42.6B | 9.80 | 0.39 | 5.09 | 0.44% |
 ENJSAEnerjisa Enerji | 4.02% | 110.404.64% | 4.64% | 130.4B | 19.15 | 1.20 | 4.74 | 4.15% |
 MAVIMavi Giyim | 3.13% | 34.121.97% | 1.97% | 27.1B | 12.69 | 1.78 | 2.77 | 3.83% |
 GUBRFGübre Fabrik. | 2.97% | 265.506.09% | 6.09% | 88.7B | 11.11 | 2.25 | 6.58 | 1.12% |
 AHGAZAhlatci Dogalgaz | 2.90% | 46.561.09% | 1.09% | 121.1B | 21.40 | 2.02 | 20.83 | 0.18% |
 PETKMPetkim | 2.46% | 16.18−0.37% | −0.37% | 41B | — | 0.54 | 42.18 | — |
 TKFENTekfen Holding | 2.40% | 196.602.72% | 2.72% | 72.7B | — | 1.87 | 26.23 | 0.47% |
 CIMSACimsa | 2.14% | 39.762.05% | 2.05% | 37.6B | 7.96 | 0.92 | 7.76 | 1.50% |
 CVKMDCVK Maden | 1.77% | 11.200.45% | 0.45% | 42.3B | 27.72 | 2.82 | 17.19 | — |
 GLRMKGulermak Agir Sanayi | 1.40% | 103.900.78% | 0.78% | 33.5B | 8.58 | 1.17 | 5.62 | — |
 ALBRKAlbaraka Türk | 1.20% | 7.921.02% | 1.02% | 19.8B | 1.04 | 0.61 | — | 2.91% |
 ISDMRIskenderun Demir Çelik | 1.16% | 48.72−1.89% | −1.89% | 141.3B | 10.14 | 0.85 | 8.86 | 7.38% |
 CWENECW Enerji | 1.02% | 13.37−1.98% | −1.98% | 14.4B | 4.47 | 0.81 | 5.84 | — |
 TCKRCKirac Galvaniz | 0.93% | 105.600.09% | 0.09% | 18B | 6.69 | 2.14 | 6.30 | — |
 GRSELGur-Sel Turizm Taşımacılık | 0.87% | 243.200.70% | 0.70% | 24.8B | 6.70 | 1.76 | 6.06 | 0.23% |
 AKFYEAkfen Yen. Enerji | 0.87% | 2.98−8.87% | −8.87% | 21.4B | 7.98 | 0.31 | 11.36 | — |
 SNGYOSinpas GMYO | 0.78% | 2.18−0.91% | −0.91% | 8.7B | — | 0.14 | 8.21 | — |
 BERABera Holding | 0.65% | 9.03−1.53% | −1.53% | 6.2B | — | 0.18 | 2.21 | 0.31% |
 KCAERKocaer Çelik | 0.62% | 8.653.10% | 3.10% | 16.6B | 25.08 | 1.10 | 6.52 | 1.13% |
 AVPGYAvrupakent GMYO | 0.59% | 44.96−1.19% | −1.19% | 18B | 11.42 | 0.36 | — | 4.21% |
 ALTNYAltinay Savunma | 0.59% | 9.89−1.79% | −1.79% | 9.9B | 198.27 | 1.83 | 20.18 | — |
 NETCDNetcad Yazilim | 0.56% | 84.30−3.88% | −3.88% | 11.5B | 9.76 | 2.89 | 8.64 | 3.36% |
 EGGUBEge Gübre | 0.54% | 77.50−0.13% | −0.13% | 7.8B | 8.62 | 0.76 | 4.18 | 1.97% |
 BASGZBaskent Dogalgaz GMYO | 0.53% | 31.682.19% | 2.19% | 22.2B | 6.52 | 0.60 | 3.03 | 4.15% |
 LMKDCLimak Dogu Anadolu | 0.48% | 18.87−2.28% | −2.28% | 9.7B | 5.80 | 1.04 | 3.25 | 5.71% |
 BUCIMBursa Çimento | 0.45% | 3.73−0.27% | −0.27% | 5.6B | — | 0.30 | 7.30 | 0.99% |
 BETAEBeta Enerji ve Teknoloji | 0.43% | 40.10−8.86% | −8.86% | 16.2B | 30.35 | 2.53 | 1,109.03 | — |
 ARASEDogu Aras Enerji | 0.42% | 70.701.00% | 1.00% | 17.7B | 5.99 | 0.71 | 2.02 | 1.75% |
 AYDEMAydem Enerji | 0.42% | 20.16−2.33% | −2.33% | 14.2B | 9.96 | 0.28 | 8.40 | 1.70% |
 OBAMSOba Makarnacilik | 0.42% | 3.45−1.43% | −1.43% | 9.9B | — | 0.77 | 12.80 | 0.51% |
 NTGAZNaturelgaz | 0.40% | 9.44−0.74% | −0.74% | 6.5B | 4.94 | 1.09 | 3.19 | 6.42% |
 KARSNKarsan Otomotiv | 0.36% | 6.420.16% | 0.16% | 5.8B | 16.34 | 0.70 | 4.70 | — |
 POLHOPolisan Holding | 0.36% | 13.934.19% | 4.19% | 10.6B | — | 0.74 | 15.62 | — |
 TUREXTureks Turizm Taşımacılık | 0.36% | 5.110.20% | 0.20% | 5.5B | 8.93 | 0.61 | 2.36 | — |
 AKCNSAkcansa | 0.33% | 177.100.57% | 0.57% | 33.9B | 35.74 | 1.12 | 10.58 | 0.83% |
 KATMRKatmerciler Ekipman | 0.28% | 1.030.98% | 0.98% | 2.2B | 3.10 | 0.21 | 10.18 | — |
 EGPROEge Profil | 0.28% | 27.082.19% | 2.19% | 14.8B | 8.82 | 1.39 | 4.38 | 1.77% |
 BINHO1000 Yatirimlar Hol. | 0.26% | 3.17−5.09% | −5.09% | 4.1B | — | 0.29 | −34.90 | — |
 KBORUKuzey Boru | 0.19% | 8.688.77% | 8.77% | 5.2B | 10.39 | 0.84 | 6.04 | 1.64% |
 PARSNParsan | 0.17% | 45.98−1.88% | −1.88% | 4B | — | 0.24 | 84.68 | — |
 ATAKPAtakey Patates | 0.16% | 36.022.91% | 2.91% | 5B | — | 0.68 | 12.34 | 1.23% |
 VAKKOVakko Tekstil | 0.14% | 45.080.09% | 0.09% | 7.2B | — | 0.71 | 3.63 | 6.94% |
 MOPASMopas Marketcilik | 0.13% | 14.021.59% | 1.59% | 3.8B | 11.03 | 0.65 | 1.71 | 1.38% |
Other Indices
About the BIST Participation 50 Index
The BIST Participation 50 (XK050) index has 50 constituents. The five heaviest weights are ASELS (11.90%), TUPRS (10.54%), BIMAS (9.58%), EREGL (9.52%), EKGYO (5.07%), which together make up 46.6% of the index. As of Nov 2, 2026, 14:31, 30 constituents are up and 20 are down; the index has returned 0.64% today and −0.87% year to date.
Review changes: Borsa Istanbul participation index periodic changes (PDF)
Frequently Asked Questions
Which stocks are in the BIST Participation 50 index?
The BIST Participation 50 index has 50 constituents: ASELS, TUPRS, BIMAS, EREGL, EKGYO, MPARK, ENERY, KRDMD, ENJSA, MAVI, GUBRF, AHGAZ, PETKM, TKFEN, CIMSA, CVKMD, GLRMK, ALBRK, ISDMR, CWENE, TCKRC, GRSEL, AKFYE, SNGYO, BERA, KCAER, AVPGY, ALTNY, NETCD, EGGUB, BASGZ, LMKDC, BUCIM, BETAE, ARASE, AYDEM, OBAMS, NTGAZ, KARSN, POLHO, TUREX, AKCNS, KATMR, EGPRO, BINHO, KBORU, PARSN, ATAKP, VAKKO, MOPAS.
Which stock has the highest weight in the BIST Participation 50 index?
ASELS is the largest constituent with a weight of 11.90%, followed by TUPRS (10.54%) and BIMAS (9.58%).
Is ASELS in the BIST Participation 50 index?
Yes. ASELS is a constituent of the BIST Participation 50 index with a weight of 11.90%. You can see any stock’s index memberships in the Index Memberships section of its stock page.
How are index weights determined?
In Borsa Istanbul indices each stock is weighted by its free-float market cap, with a cap on any single stock set by the index rules. Weights move intraday with prices.