BIST Participation 50 Stocks

As of Nov 12, 2026, 12:18, the BIST Participation 50 (XK050) index has 50 constituents; the largest weight is ASELS (10.98%).

Constituents: 50; 46 ▲ · 4 ▼
Index return · 1D: 1.71%; today
Top 5 weight: 45.5%; ASELS · TUPRS · BIMAS · EREGL · EKGYO
Highest weight: ASELS; 10.98% of index

Period Returns

Day: 1.71%
Week: 2.94%
Month: −7.61%
YTD: 6.38%
1 year: 10.99%

Constituent Stocks

BIST Participation 50 Index Constituents

ASELSAselsan	10.98%	347.751.31%	1.31%	1.6T	32.66	4.74	28.08	0.13%
TUPRSTüpraş	9.97%	354.001.58%	1.58%	682.1B	5.27	1.31	2.88	1.78%
BIMASBim Mağazalar	9.71%	385.001.99%	1.99%	462B	13.31	2.08	10.00	0.60%
EREGLEreğli Demir Çelik	9.44%	32.262.28%	2.28%	225.8B	24.36	0.67	9.93	1.36%
EKGYOEmlak Konut GMYO	5.36%	18.822.45%	2.45%	71.5B	—	0.44	6.45	2.86%
MPARKMLP Sağlık	5.28%	441.250.97%	0.97%	84.3B	11.81	1.91	5.51	—
ENJSAEnerjisa Enerji	4.23%	120.701.43%	1.43%	142.6B	14.20	1.20	4.75	4.15%
ENERYEnerya Enerji	4.20%	14.220.85%	0.85%	128B	20.52	1.84	16.50	0.19%
KRDMDKardemir (D)	3.96%	38.922.64%	2.64%	44.4B	7.73	0.39	4.98	0.44%
GUBRFGübre Fabrik.	3.10%	284.251.34%	1.34%	94.9B	10.79	2.24	7.46	1.12%
MAVIMavi Giyim	3.04%	35.521.89%	1.89%	28.2B	13.22	1.86	2.90	3.83%
PETKMPetkim	3.04%	16.851.44%	1.44%	42.7B	—	0.55	32.91	—
AHGAZAhlatci Dogalgaz	2.69%	45.54−0.78%	−0.78%	118.4B	20.49	1.88	20.54	0.18%
TKFENTekfen Holding	2.33%	201.201.16%	1.16%	74.4B	—	1.89	32.39	0.47%
CIMSACimsa	2.15%	42.541.48%	1.48%	40.2B	8.55	0.99	8.10	1.50%
CVKMDCVK Maden	1.97%	13.29−0.37%	−0.37%	50.2B	33.03	3.35	20.37	—
GLRMKGulermak Agir Sanayi	1.28%	107.505.70%	5.70%	34.7B	11.83	1.17	6.91	—
ALBRKAlbaraka Türk	1.24%	8.700.23%	0.23%	21.7B	2.26	0.64	—	2.91%
ISDMRIskenderun Demir Çelik	1.11%	52.102.16%	2.16%	151.1B	10.80	0.90	9.44	7.38%
BASGZBaskent Dogalgaz GMYO	0.95%	36.821.94%	1.94%	25.8B	7.60	0.69	3.56	4.15%
CWENECW Enerji	0.94%	16.085.10%	5.10%	17.3B	8.22	0.74	6.90	—
TCKRCKirac Galvaniz	0.93%	120.305.43%	5.43%	20.5B	7.65	2.45	7.17	—
SNGYOSinpas GMYO	0.88%	2.701.89%	1.89%	10.8B	11.21	0.16	5.00	—
GRSELGur-Sel Turizm Taşımacılık	0.85%	248.70−0.62%	−0.62%	25.4B	7.12	1.67	5.99	0.23%
AKFYEAkfen Yen. Enerji	0.72%	3.003.45%	3.45%	21.5B	7.64	0.29	11.20	—
KCAERKocaer Çelik	0.70%	10.331.67%	1.67%	19.8B	22.57	1.28	6.68	1.13%
BERABera Holding	0.67%	10.372.57%	2.57%	7.1B	—	0.19	2.20	0.31%
ALTNYAltinay Savunma	0.60%	11.181.82%	1.82%	11.2B	46.29	1.90	15.60	—
AVPGYAvrupakent GMYO	0.57%	47.841.87%	1.87%	19.1B	12.11	0.39	—	4.21%
NETCDNetcad Yazilim	0.54%	91.751.33%	1.33%	12.6B	10.59	3.14	9.44	3.36%
EGGUBEge Gübre	0.51%	79.401.47%	1.47%	7.9B	10.77	0.75	3.75	1.97%
LMKDCLimak Dogu Anadolu	0.50%	22.042.99%	2.99%	11.4B	6.74	1.21	3.89	5.71%
BUCIMBursa Çimento	0.47%	4.211.20%	1.20%	6.3B	—	0.31	7.11	0.99%
AYDEMAydem Enerji	0.41%	22.061.57%	1.57%	15.6B	11.57	0.30	8.14	1.70%
BETAEBeta Enerji ve Teknoloji	0.41%	47.946.30%	6.30%	19.4B	36.24	3.02	1,281.96	—
OBAMSOba Makarnacilik	0.41%	3.681.66%	1.66%	10.6B	—	0.82	16.30	0.51%
KARSNKarsan Otomotiv	0.39%	7.542.72%	2.72%	6.8B	13.06	0.81	5.03	—
POLHOPolisan Holding	0.37%	14.851.30%	1.30%	11.3B	—	0.75	17.60	—
ARASEDogu Aras Enerji	0.35%	63.801.75%	1.75%	15.9B	6.35	0.61	2.18	1.75%
EGPROEge Profil	0.34%	34.36−1.04%	−1.04%	18.7B	8.60	1.56	5.16	1.77%
AKCNSAkcansa	0.34%	196.901.23%	1.23%	37.7B	39.62	1.24	11.75	0.83%
TUREXTureks Turizm Taşımacılık	0.33%	5.201.17%	1.17%	5.6B	15.12	0.60	2.54	—
NTGAZNaturelgaz	0.32%	8.332.33%	2.33%	5.7B	5.41	0.92	2.86	6.42%
KATMRKatmerciler Ekipman	0.29%	1.130.89%	0.89%	2.4B	5.72	0.22	12.57	—
BINHO1000 Yatirimlar Hol.	0.28%	4.016.37%	6.37%	5.2B	—	0.37	−45.05	—
KBORUKuzey Boru	0.22%	10.461.26%	1.26%	6.3B	12.51	1.01	6.65	0.19%
PARSNParsan	0.17%	50.551.59%	1.59%	4.4B	—	0.27	88.14	—
ATAKPAtakey Patates	0.16%	38.300.26%	0.26%	5.3B	—	0.72	13.14	1.23%
MOPASMopas Marketcilik	0.14%	16.452.49%	2.49%	4.5B	14.24	0.73	1.73	1.38%
VAKKOVakko Tekstil	0.14%	48.080.50%	0.50%	7.7B	—	0.70	4.37	6.94%

Ratios are calculated from the latest published financial statements.50 / 50

Other Indices

About the BIST Participation 50 Index

The BIST Participation 50 (XK050) index has 50 constituents. The five heaviest weights are ASELS (10.98%), TUPRS (9.97%), BIMAS (9.71%), EREGL (9.44%), EKGYO (5.36%), which together make up 45.5% of the index. As of Nov 12, 2026, 12:18, 46 constituents are up and 4 are down; the index has returned 1.71% today and 6.38% 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, ENJSA, ENERY, KRDMD, GUBRF, MAVI, PETKM, AHGAZ, TKFEN, CIMSA, CVKMD, GLRMK, ALBRK, ISDMR, BASGZ, CWENE, TCKRC, SNGYO, GRSEL, AKFYE, KCAER, BERA, ALTNY, AVPGY, NETCD, EGGUB, LMKDC, BUCIM, AYDEM, BETAE, OBAMS, KARSN, POLHO, ARASE, EGPRO, AKCNS, TUREX, NTGAZ, KATMR, BINHO, KBORU, PARSN, ATAKP, MOPAS, VAKKO.

Which stock has the highest weight in the BIST Participation 50 index?

ASELS is the largest constituent with a weight of 10.98%, followed by TUPRS (9.97%) and BIMAS (9.71%).

Is ASELS in the BIST Participation 50 index?

Yes. ASELS is a constituent of the BIST Participation 50 index with a weight of 10.98%. 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.