X100S Index Constituents

Stocks in the X100S index with their weights, last prices and daily changes.

Constituents: 100; 4 ▲ · 96 ▼
Index return · 1D: −3.18%; today
Top 5 weight: 39.8%; ASELS · TUPRS · BIMAS · THYAO · AKBNK
Highest weight: ASELS; 11.24% of index

Period Returns

Day: −3.18%
Week: −6.24%
Month: −14.59%
YTD: 11.13%
1 year: 12.23%

Constituent Stocks

X100S Index Constituents

ASELSAselsan	11.24%	358.00−3.83%	−3.83%	1.6T	39.72	5.34	31.68	0.13%
TUPRSTüpraş	9.76%	397.50−2.09%	−2.09%	765.9B	10.53	1.68	6.27	4.00%
BIMASBim Mağazalar	8.83%	420.00−1.12%	−1.12%	504B	17.11	2.51	11.19	0.60%
THYAOTürk Hava Yollari	5.11%	286.50−1.46%	−1.46%	395.4B	3.53	0.39	6.96	1.03%
AKBNKAkbank	4.88%	69.45−2.05%	−2.05%	361.1B	5.42	1.11	—	3.21%
EREGLEreğli Demir Çelik	3.23%	36.84−2.38%	−2.38%	257.9B	33.51	0.81	12.12	1.36%
KCHOLKoç Holding	3.08%	211.40−2.36%	−2.36%	536.1B	14.16	0.68	22.15	3.68%
YKBNKYapi ve Kredi Bank.	3.00%	35.04−2.07%	−2.07%	296B	3.80	1.04	—	4.34%
ASTORAstor Enerji	2.86%	235.20−9.97%	−9.97%	234.7B	20.96	5.36	18.73	1.34%
ISCTRİş Bankasi (C)	2.58%	12.76−2.37%	−2.37%	319B	3.27	0.59	—	4.06%
SAHOLSabanci Holding	2.41%	85.95−2.61%	−2.61%	180.5B	8.72	0.43	−3.97	1.55%
TCELLTurkcell	2.18%	97.80−2.15%	−2.15%	215.2B	10.25	0.70	3.10	1.87%
GARANGaranti Bankasi	1.94%	127.80−1.54%	−1.54%	536.8B	4.48	1.10	—	4.04%
ENKAIEnka İnşaat	1.59%	85.45−1.16%	−1.16%	512.7B	13.18	1.25	10.18	2.20%
SISEŞişe Cam	1.50%	38.14−2.80%	−2.80%	116.8B	9.97	0.43	16.29	1.29%
DSTKFDestek Finans Faktoring	1.40%	1,057.00−9.97%	−9.97%	352.3B	72.12	23.78	—	—
CCOLACoca Cola Icecek	1.39%	76.65−1.60%	−1.60%	214.5B	9.77	2.35	6.18	1.63%
FROTOFord Otosan	1.24%	74.40−3.13%	−3.13%	261.1B	7.88	1.46	9.00	3.36%
MGROSMigros Ticaret	1.23%	526.500.57%	0.57%	95.3B	13.88	1.03	3.84	0.67%
SASASasa Polyester	1.22%	1.90−8.65%	−8.65%	99.8B	—	0.52	19.68	—
TAVHLTav Havalimanlari	1.21%	266.75−2.20%	−2.20%	96.9B	18.43	1.19	6.63	0.65%
TRALTTürk Altin İşletmeleri	1.18%	46.46−6.78%	−6.78%	148.8B	27.40	2.81	13.93	1.45%
EKGYOEmlak Konut GMYO	0.95%	18.73−2.70%	−2.70%	71.2B	—	0.47	7.27	2.86%
AEFESAnadolu Efes	0.91%	18.05−4.14%	−4.14%	106.9B	10.70	0.85	3.86	0.83%
TOASOTofas Oto. Fab.	0.89%	278.50−3.97%	−3.97%	139.3B	9.98	2.13	26.91	7.01%
MPARKMlp Sağlık	0.87%	415.00−2.81%	−2.81%	79.3B	11.93	1.81	5.34	—
GUBRFGübre Fabrik.	0.86%	434.75−5.08%	−5.08%	145.2B	18.28	3.70	11.10	—
KRDMDKardemir (D)	0.83%	46.60−0.77%	−0.77%	53.1B	12.33	0.49	6.40	0.44%
PGSUSPegasus	0.80%	142.30−3.00%	−3.00%	71.2B	—	0.63	8.69	—
HALKBT. Halk Bankasi	0.74%	43.46−3.21%	−3.21%	312.3B	6.98	1.26	—	2.41%
TURSGTürkiye Sigorta	0.72%	5.39−8.49%	−8.49%	107.8B	4.56	1.83	—	2.41%
ENERYEnerya Enerji	0.68%	12.51−7.40%	−7.40%	112.6B	20.11	1.73	15.25	0.19%
ENJSAEnerjisa Enerji	0.65%	105.50−1.68%	−1.68%	124.6B	18.25	1.15	4.61	4.15%
PETKMPetkim	0.64%	20.12−4.46%	−4.46%	51B	—	0.68	46.99	—
TTKOMTürk Telekom	0.63%	53.20−2.65%	−2.65%	186.2B	6.10	0.70	2.94	12.87%
TRMETTr Anadolu Metal Madencilik	0.61%	133.00−5.27%	−5.27%	51.6B	23.02	1.72	3.33	—
KTLEVKatilimevim Tas. Fin.	0.56%	11.85−9.95%	−9.95%	83B	2.89	2.41	—	—
MAVIMavi Giyim	0.56%	37.52−1.37%	−1.37%	29.8B	13.93	1.95	3.08	3.83%
TKFENTekfen Holding	0.55%	270.25−2.61%	−2.61%	100B	—	2.63	35.73	0.47%
VAKBNVakiflar Bankasi	0.51%	33.10−2.07%	−2.07%	328.2B	2.97	0.86	—	1.38%
OYAKCOyak Çimento	0.50%	20.40−3.32%	−3.32%	99.2B	12.85	1.30	6.46	4.69%
IEYHOIsiklar Enerji Yapi Hol.	0.49%	89.30−9.98%	−9.98%	48.5B	—	23.53	−210.84	—
BRSANBorusan Boru Sanayi	0.49%	637.00−5.21%	−5.21%	90.3B	36.64	2.09	14.53	11.28%
DOHOLDogan Holding	0.48%	19.62−2.58%	−2.58%	51.3B	8.05	0.54	1.36	1.61%
AKSENAksa Enerji	0.47%	66.95−7.01%	−7.01%	82.1B	22.25	1.20	11.40	2.81%
CIMSACimsa	0.46%	42.46−0.79%	−0.79%	40.1B	9.25	1.07	8.08	1.50%
SARKYSarkuysan	0.45%	19.96−5.31%	−5.31%	20B	75.18	1.49	8.97	1.12%
ANSGRAnadolu Sigorta	0.44%	24.00−3.38%	−3.38%	48B	3.09	1.20	—	4.95%
SOKMSok Marketler Ticaret	0.44%	56.00−2.18%	−2.18%	33.2B	—	0.83	4.00	1.76%
ALARKAlarko Holding	0.39%	102.50−4.21%	−4.21%	42.7B	6.17	0.47	−62.76	3.39%
EUPWREuropower Enerji	0.37%	55.95−9.02%	−9.02%	36.9B	36.53	2.83	10.23	—
RALYHRal Yatirim Holding	0.37%	105.30−10.00%	−10.00%	35.1B	12.68	4.19	25.35	—
ULKERÜlker Bisküvi	0.36%	85.10−3.41%	−3.41%	31.4B	7.02	0.62	5.05	5.17%
CVKMDCvk Maden	0.36%	12.98−8.72%	−8.72%	49.1B	191.39	3.92	39.65	—
KUYASKuyas Yatirim	0.36%	33.10−9.96%	−9.96%	13.2B	—	6.40	110.32	—
AKSAAksa	0.34%	10.50−2.87%	−2.87%	40.8B	6.28	1.11	9.04	5.23%
ISMENİş Y. Men. Deg.	0.34%	30.80−2.90%	−2.90%	46.2B	6.30	1.31	−10.38	7.49%
DOASDogus Otomotiv	0.34%	150.60−2.59%	−2.59%	33.1B	13.53	0.45	5.40	8.33%
EFOREfor Yatirim	0.32%	14.685.46%	5.46%	32B	2,320.74	5.97	20.49	—
GLRMKGulermak Agir Sanayi	0.31%	140.00−4.63%	−4.63%	45.2B	11.64	1.59	7.65	—
TSKBT.s.k.b.	0.29%	9.91−4.25%	−4.25%	27.7B	2.61	0.54	—	4.77%
ARCLKArçelik	0.27%	84.30−1.75%	−1.75%	57B	—	0.73	9.27	1.71%
CWENECw Enerji	0.26%	22.28−9.94%	−9.94%	24B	7.47	1.36	8.21	—
OTKAROtokar	0.25%	292.00−3.71%	−3.71%	35B	—	6.38	−42.92	1.39%
TRENJTr Dogal Enerji	0.25%	96.95−7.67%	−7.67%	25.2B	10.74	1.60	0.48	—
HEKTSHektas	0.25%	2.05−5.96%	−5.96%	17.3B	—	1.04	−39.09	—
ECILCEczacıbaşı İlaç	0.23%	63.70−7.01%	−7.01%	43.7B	—	0.64	154.32	2.04%
GESANGirişim Elektrik Sanayi	0.21%	42.50−8.64%	−8.64%	19.6B	13.02	1.14	5.53	—
CANTECAN2 Termik	0.21%	1.04−8.77%	−8.77%	10.4B	—	0.33	4.11	—
BTCIMBaticim Bati Anadolu	0.20%	2.07−9.61%	−9.61%	11.6B	—	0.49	16.42	—
MIATKMia Teknoloji	0.20%	27.801.91%	1.91%	13.7B	—	2.28	13.16	—
GENILGen İlaç	0.19%	6.75−8.16%	−8.16%	30.4B	23.43	2.33	12.08	0.17%
ODASOdas Elektrik	0.18%	6.62−6.10%	−6.10%	9.3B	—	0.59	2.61	—
ODINEOdine Teknoloji	0.18%	246.20−9.98%	−9.98%	27.2B	440.30	12.11	168.11	—
SKBNKSekerbank	0.16%	5.16−5.32%	−5.32%	12.9B	2.81	0.52	—	0.50%
MAGENMargun Enerji	0.16%	14.50−9.99%	−9.99%	42.8B	—	2.69	96.39	—
GRSELGur-Sel Turizm Taşımacılık	0.16%	260.00−4.15%	−4.15%	26.5B	7.26	1.91	6.60	0.23%
PSGYOPasifik GMYO	0.15%	1.77−9.69%	−9.69%	12.2B	4.82	0.29	−119.67	0.28%
BRYATBorusan Yat. Paz.	0.14%	1,448.00−4.74%	−4.74%	40.7B	9.53	1.25	—	7.55%
TUKASTukas	0.14%	2.17−5.24%	−5.24%	9.8B	—	0.49	6.30	—
FENERFenerbahce Futbol	0.13%	2.30−6.12%	−6.12%	14.4B	—	2.13	−6.81	—
BERABera Holding	0.13%	10.89−4.81%	−4.81%	7.4B	—	0.21	2.78	0.31%
ALTNYAltinay Savunma	0.12%	12.31−5.89%	−5.89%	12.3B	248.50	2.29	24.34	—
BALSUBalsu Gida	0.12%	6.99−5.54%	−5.54%	7.8B	30.78	1.30	8.00	0.98%
GSRAYGalatasaray Sportif	0.12%	0.82−6.82%	−6.82%	11.1B	18.41	0.66	5.05	—
PATEKPasifik Teknoloji	0.12%	14.36−9.97%	−9.97%	9.7B	—	2.56	−20.46	—
PAHOLPasifik Holding	0.10%	0.87−9.37%	−9.37%	17.4B	6.93	0.38	—	—
ZORENZorlu Enerji	0.09%	1.96−4.85%	−4.85%	9.8B	—	0.16	12.13	—
KLRHOKiler Holding	0.09%	22.54−9.98%	−9.98%	36.6B	19.71	0.97	10.16	—
DAPGMDap Gayrimenkul	0.09%	3.61−9.98%	−9.98%	9.6B	11.51	0.54	1.82	—
BSOKEBaticim Çimento	0.09%	8.09−9.91%	−9.91%	12.9B	—	0.96	68.28	—
OBAMSOba Makarnacilik	0.09%	4.32−3.14%	−3.14%	12.4B	—	0.96	18.04	0.51%
QUAGRQua Granite Hayal Yapi	0.08%	2.04−7.69%	−7.69%	5.4B	—	0.50	8.40	—
EURENEuropen Endustri	0.08%	2.87−7.12%	−7.12%	6B	320.23	0.49	9.34	—
VESTLVestel	0.08%	18.73−8.37%	−8.37%	6.3B	—	0.29	−28.65	8.19%
GRTHOGrainturk Holding	0.07%	121.905.00%	5.00%	15.2B	7.53	1.40	22.32	0.19%
IZENRIzdemir Enerji	0.07%	3.79−9.98%	−9.98%	9.3B	23.30	0.48	9.75	—
PASEUPasifik Eurasia Lojistik	0.06%	29.52−9.95%	−9.95%	19.8B	16.23	4.75	323.75	—
ESENEsenboga Elektrik	0.06%	2.53−6.30%	−6.30%	4.6B	—	0.29	25.20	—
REEDRReeder Teknoloji	0.05%	3.58−9.82%	−9.82%	3.4B	—	0.46	9.82	—

Ratios are calculated from the latest published financial statements.50 / 100

Other Indices

About the X100S Index

The X100S (X100S) index has 100 constituents. The five heaviest weights are ASELS (11.24%), TUPRS (9.76%), BIMAS (8.83%), THYAO (5.11%), AKBNK (4.88%), which together make up 39.8% of the index. As of Sep 28, 2026, 15:33, 4 constituents are up and 96 are down; the index has returned −3.18% today and 11.13% year to date.

Frequently Asked Questions

Which stocks are in the X100S index?

The X100S index has 100 constituents: ASELS, TUPRS, BIMAS, THYAO, AKBNK, EREGL, KCHOL, YKBNK, ASTOR, ISCTR, SAHOL, TCELL, GARAN, ENKAI, SISE, DSTKF, CCOLA, FROTO, MGROS, SASA, TAVHL, TRALT, EKGYO, AEFES, TOASO, MPARK, GUBRF, KRDMD, PGSUS, HALKB, TURSG, ENERY, ENJSA, PETKM, TTKOM, TRMET, KTLEV, MAVI, TKFEN, VAKBN, OYAKC, IEYHO, BRSAN, DOHOL, AKSEN, CIMSA, SARKY, ANSGR, SOKM, ALARK, EUPWR, RALYH, ULKER, CVKMD, KUYAS, AKSA, ISMEN, DOAS, EFOR, GLRMK, TSKB, ARCLK, CWENE, OTKAR, TRENJ, HEKTS, ECILC, GESAN, CANTE, BTCIM, MIATK, GENIL, ODAS, ODINE, SKBNK, MAGEN, GRSEL, PSGYO, BRYAT, TUKAS, FENER, BERA, ALTNY, BALSU, GSRAY, PATEK, PAHOL, ZOREN, KLRHO, DAPGM, BSOKE, OBAMS, QUAGR, EUREN, VESTL, GRTHO, IZENR, PASEU, ESEN, REEDR.

Which stock has the highest weight in the X100S index?

ASELS is the largest constituent with a weight of 11.24%, followed by TUPRS (9.76%) and BIMAS (8.83%).

Is ASELS in the X100S index?

Yes. ASELS is a constituent of the X100S index with a weight of 11.24%. 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.