BIST Participation 100 Stocks

As of Nov 2, 2026, 13:45, the BIST Participation 100 (XK100) index has 100 constituents; the largest weight is ASELS (11.91%).

Constituents: 100; 29 ▲ · 68 ▼
Index return · 1D: 0.21%; today
Top 5 weight: 45.4%; ASELS · TUPRS · BIMAS · EREGL · EKGYO
Highest weight: ASELS; 11.91% of index

Period Returns

Day: 0.21%
Week: −2.75%
Month: −15.15%
YTD: −1.35%
1 year: −3.67%

Constituent Stocks

BIST Participation 100 Index Constituents

ASELSAselsan	11.91%	347.000.00%	0.00%	1.6T	32.57	4.72	28.00	0.13%
TUPRSTüpraş	10.55%	336.75−1.97%	−1.97%	648.8B	9.10	1.45	5.24	1.78%
BIMASBim Mağazalar	9.59%	353.501.73%	1.73%	424.2B	14.12	2.07	9.36	0.60%
EREGLEreğli Demir Çelik	9.53%	29.760.34%	0.34%	208.3B	22.39	0.62	9.28	1.36%
EKGYOEmlak Konut GMYO	3.83%	16.461.67%	1.67%	62.5B	—	0.40	6.68	2.86%
MPARKMLP Sağlık	3.71%	382.000.79%	0.79%	73B	10.88	1.65	4.94	—
ENERYEnerya Enerji	3.23%	13.470.82%	0.82%	121.2B	21.36	1.84	16.23	0.19%
KRDMDKardemir (D)	3.06%	36.902.05%	2.05%	42.1B	9.51	0.38	4.95	0.44%
ENJSAEnerjisa Enerji	3.04%	110.104.36%	4.36%	130B	18.21	1.14	4.60	4.15%
MAVIMavi Giyim	2.37%	34.121.97%	1.97%	27.1B	12.43	1.74	2.71	3.83%
GUBRFGübre Fabrik.	2.24%	263.505.29%	5.29%	88B	10.50	2.12	6.20	1.12%
AHGAZAhlatci Dogalgaz	2.19%	46.561.09%	1.09%	121.1B	21.15	2.00	20.49	0.18%
PETKMPetkim	1.86%	16.03−1.29%	−1.29%	40.6B	—	0.55	42.33	—
TKFENTekfen Holding	1.81%	190.50−0.47%	−0.47%	70.5B	—	1.87	26.15	0.47%
CIMSACimsa	1.62%	39.481.33%	1.33%	37.3B	7.82	0.90	7.68	1.50%
GMTASGimat Magazacilik	1.51%	53.50−2.99%	−2.99%	16.1B	—	3.42	—	—
CVKMDCVK Maden	1.34%	11.09−0.54%	−0.54%	41.9B	27.63	2.81	17.13	—
GLRMKGulermak Agir Sanayi	1.05%	102.70−0.39%	−0.39%	33.1B	8.56	1.17	5.61	—
ALBRKAlbaraka Türk	0.91%	7.890.64%	0.64%	19.7B	1.03	0.61	—	2.91%
ISDMRIskenderun Demir Çelik	0.88%	48.46−2.42%	−2.42%	140.5B	10.33	0.86	9.02	7.38%
LOGOLogo Yazilim	0.85%	113.00−1.22%	−1.22%	10.7B	12.23	2.45	4.85	3.61%
YEOTKYeo Teknoloji Enerji	0.78%	20.82−2.16%	−2.16%	17.3B	7.00	3.21	4.96	—
ARDYZArd Bilişim Teknolojileri	0.77%	49.86−1.27%	−1.27%	16.1B	12.14	2.37	5.38	0.12%
CWENECW Enerji	0.77%	13.23−3.01%	−3.01%	14.3B	4.57	0.83	5.92	—
AKFISAkfen İnşaat	0.74%	13.06−9.99%	−9.99%	49.9B	31.63	1.47	93.49	—
SELECSelcuk Ecza Deposu	0.72%	63.40−0.24%	−0.24%	39.4B	18.30	1.06	3.30	0.50%
TCKRCKirac Galvaniz	0.70%	104.80−0.66%	−0.66%	17.8B	6.71	2.14	6.32	—
GRSELGur-Sel Turizm Taşımacılık	0.66%	239.00−1.04%	−1.04%	24.4B	6.74	1.77	6.09	0.23%
AKFYEAkfen Yen. Enerji	0.66%	3.00−8.26%	−8.26%	21.5B	8.64	0.34	11.98	—
SNGYOSinpas GMYO	0.59%	2.16−1.82%	−1.82%	8.6B	—	0.14	8.25	—
BMSTLBMS Birlesik Metal	0.57%	28.58−7.69%	−7.69%	8.6B	—	5.45	43.94	—
GERELGersan Elektrik	0.52%	21.56−2.44%	−2.44%	8B	10.99	2.00	12.71	—
BERABera Holding	0.49%	8.92−2.73%	−2.73%	6.1B	—	0.18	2.26	0.31%
ATATPAtp Yazilim	0.49%	203.50−4.64%	−4.64%	19.1B	8.57	3.12	4.99	0.40%
ORGEOrge Enerji Elektrik	0.47%	17.82−4.19%	−4.19%	7.1B	8.00	1.43	3.26	—
KCAERKocaer Çelik	0.47%	8.511.43%	1.43%	16.3B	24.56	1.08	6.40	1.13%
AVPGYAvrupakent GMYO	0.44%	44.82−1.49%	−1.49%	17.9B	11.52	0.37	—	4.21%
ALTNYAltinay Savunma	0.44%	9.77−2.98%	−2.98%	9.8B	203.11	1.87	20.58	—
NETCDNetcad Yazilim	0.42%	84.20−3.99%	−3.99%	11.5B	10.12	3.00	8.99	3.36%
EGGUBEge Gübre	0.41%	77.00−0.77%	−0.77%	7.7B	8.68	0.76	4.20	1.97%
BASGZBaskent Dogalgaz GMYO	0.40%	31.280.90%	0.90%	21.9B	6.40	0.59	2.97	4.15%
LMKDCLimak Dogu Anadolu	0.36%	18.92−2.02%	−2.02%	9.8B	5.90	1.06	3.31	5.71%
HRKETHareket Proje Tasimaciligi	0.35%	6.564.13%	4.13%	10.6B	—	1.27	10.78	—
BUCIMBursa Çimento	0.34%	3.72−0.53%	−0.53%	5.6B	—	0.30	7.32	0.99%
BETAEBeta Enerji ve Teknoloji	0.33%	40.28−8.45%	−8.45%	16.3B	33.12	2.76	1,190.41	—
ARASEDogu Aras Enerji	0.32%	70.150.21%	0.21%	17.5B	5.97	0.71	2.02	1.75%
AYDEMAydem Enerji	0.32%	19.68−4.65%	−4.65%	13.9B	10.36	0.30	8.53	1.70%
OBAMSOba Makarnacilik	0.32%	3.45−1.43%	−1.43%	9.9B	—	0.78	13.10	0.51%
BLUMEBlume Metal Kimya	0.31%	24.40−6.44%	−6.44%	4.3B	—	7.87	98.49	—
DOFRBDof Robotik	0.31%	51.90−7.98%	−7.98%	8B	28.82	3.76	24.39	—
NTGAZNaturelgaz	0.30%	9.43−0.84%	−0.84%	6.5B	4.98	1.09	3.21	6.42%
SMRTGSmart Gunes Enerjisi Tek.	0.29%	3.42−4.47%	−4.47%	6.2B	28.96	1.23	7.44	—
MEGMTMega Metal	0.28%	2.841.79%	1.79%	7.2B	5.96	1.41	9.47	—
KARSNKarsan Otomotiv	0.27%	6.38−0.47%	−0.47%	5.7B	16.39	0.70	4.70	—
GOKNRGoknur Gida	0.27%	12.100.50%	0.50%	4.2B	10.61	0.36	3.18	1.34%
POLHOPolisan Holding	0.27%	13.974.49%	4.49%	10.6B	—	0.70	14.97	—
TUREXTureks Turizm Taşımacılık	0.27%	5.100.00%	0.00%	5.5B	8.93	0.61	2.36	—
KGYOKoray GMYO	0.26%	7.13−3.52%	−3.52%	7.1B	—	5.12	−19.23	—
MCARDMetropal Kurumsal Hizmetler	0.25%	114.101.42%	1.42%	10.6B	14.43	3.81	−85.24	2.91%
AKCNSAkcansa	0.25%	177.200.62%	0.62%	33.9B	35.58	1.11	10.53	0.83%
FONETFonet Bilgi Teknolojileri	0.25%	3.41−1.73%	−1.73%	3.2B	10.12	1.55	7.39	—
MOGANMogan Enerji	0.24%	7.33−0.68%	−0.68%	17.9B	—	0.21	8.53	—
SDTTRSDT Uzay ve Savunma	0.24%	11.12−3.30%	−3.30%	7.1B	51.92	2.55	21.12	—
FORTEForte Bilgi İletişim	0.23%	70.85−2.95%	−2.95%	4.7B	1.61	1.57	6.09	0.21%
KATMRKatmerciler Ekipman	0.21%	1.01−0.98%	−0.98%	2.2B	3.10	0.21	10.18	—
EGPROEge Profil	0.21%	26.781.06%	1.06%	14.6B	8.69	1.37	4.31	1.77%
BINHO1000 Yatirimlar Hol.	0.20%	3.15−5.69%	−5.69%	4.1B	—	0.30	−36.93	—
IHLASIhlas Holding	0.20%	0.670.00%	0.00%	2B	—	0.52	−0.95	—
SAFKRSafkar Ege Sogutmacilik	0.19%	12.550.40%	0.40%	2.5B	18.11	1.80	6.28	—
IZFASİzmir Firca	0.19%	15.089.99%	9.99%	2.7B	—	5.54	175.87	—
KOCMTKoç Metalurji	0.18%	2.16−2.26%	−2.26%	5.4B	—	0.40	16.64	—
ESCOMEscort Teknoloji	0.18%	3.33−2.63%	−2.63%	2.3B	1.28	0.53	—	—
SSAATSaat ve Saat Sanayi	0.18%	21.52−2.71%	−2.71%	14.2B	8.87	4.11	141.86	—
TARKMTarkim Bitki Koruma	0.18%	282.00−2.51%	−2.51%	5.9B	483.24	1.87	20.40	—
KZBGYKizilbuk GYO	0.18%	1.01−1.94%	−1.94%	4B	7.61	0.16	11.77	—
EMPAEEmpa Elektronik	0.17%	33.94−6.19%	−6.19%	5.8B	89.86	3.24	13.72	0.09%
LINKLink Bilgisayar	0.16%	2.50−7.06%	−7.06%	2.2B	7.18	1.12	3.99	—
MEYSUMeysu Gida	0.15%	6.71−3.31%	−3.31%	5.8B	11.76	1.22	8.04	0.38%
SRVGYServet GMYO	0.15%	1.70−2.86%	−2.86%	5.5B	1.64	0.18	2.16	4.16%
KBORUKuzey Boru	0.14%	8.648.27%	8.27%	5.2B	9.53	0.77	5.79	1.64%
YIGITYigit Aku	0.13%	11.87−2.06%	−2.06%	3.6B	56.01	0.43	3.23	—
TKNSATeknosa Ic ve Dış Ticaret	0.13%	10.42−1.23%	−1.23%	2.1B	—	−1.26	2.98	—
PARSNParsan	0.13%	45.96−1.92%	−1.92%	4B	—	0.25	85.33	—
NATENNaturel Enerji	0.12%	2.50−5.30%	−5.30%	2.1B	—	0.23	67.81	—
ATAKPAtakey Patates	0.12%	36.022.91%	2.91%	5B	—	0.66	11.94	1.23%
VAKKOVakko Tekstil	0.11%	45.00−0.09%	−0.09%	7.2B	—	0.70	3.63	6.94%
ONCSMOncosem Onkolojik Sistemler	0.10%	80.95−3.57%	−3.57%	1.9B	25.16	3.96	7.25	—
HATSNHatsan Gemi	0.10%	20.247.66%	7.66%	4.5B	—	0.63	−7.53	—
FORMTFormet Metal ve Cam	0.10%	0.79−2.47%	−2.47%	901.1M	—	0.34	−53.60	—
MOPASMopas Marketcilik	0.10%	14.031.67%	1.67%	3.8B	10.90	0.65	1.68	1.38%
BIENYBien Yapi Ürünleri	0.09%	10.21−2.30%	−2.30%	3.7B	—	0.26	5.74	—
FZLGYFuzul GMYO	0.09%	4.23−1.86%	−1.86%	5.3B	—	1.26	−9.66	—
EKOSEkos Teknoloji	0.09%	2.34−5.65%	−5.65%	2.6B	—	0.78	−84.67	—
BURCEBurcelik	0.09%	18.199.98%	9.98%	1.5B	—	1.17	−59.08	—
IMASMImas Makina	0.09%	1.22−2.40%	−2.40%	1.1B	—	0.33	10.80	—
SURGYSur Tatil Evleri GMYO	0.08%	13.90−6.21%	−6.21%	2.3B	—	0.22	—	—
UCAYMUcay Mühendislik	0.08%	9.67−5.75%	−5.75%	2.2B	16.52	1.05	2.88	—
LXGYOLuxera GMYO	0.07%	5.02−1.18%	−1.18%	1.7B	—	0.80	−14.92	—
TMPOLTemapol Polimer Plastik	0.06%	54.45−10.00%	−10.00%	771.8M	—	0.92	7.56	0.47%
BINBNBin Ulaşım Teknolojileri	0.05%	23.98−9.98%	−9.98%	2.7B	—	1.65	−9.00	—

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

Other Indices

About the BIST Participation 100 Index

The BIST Participation 100 (XK100) index has 100 constituents. The five heaviest weights are ASELS (11.91%), TUPRS (10.55%), BIMAS (9.59%), EREGL (9.53%), EKGYO (3.83%), which together make up 45.4% of the index. As of Nov 2, 2026, 13:45, 29 constituents are up and 68 are down; the index has returned 0.21% today and −1.35% year to date.

Review changes: Borsa Istanbul participation index periodic changes (PDF)

Frequently Asked Questions

Which stocks are in the BIST Participation 100 index?

The BIST Participation 100 index has 100 constituents: ASELS, TUPRS, BIMAS, EREGL, EKGYO, MPARK, ENERY, KRDMD, ENJSA, MAVI, GUBRF, AHGAZ, PETKM, TKFEN, CIMSA, GMTAS, CVKMD, GLRMK, ALBRK, ISDMR, LOGO, YEOTK, ARDYZ, CWENE, AKFIS, SELEC, TCKRC, GRSEL, AKFYE, SNGYO, BMSTL, GEREL, BERA, ATATP, ORGE, KCAER, AVPGY, ALTNY, NETCD, EGGUB, BASGZ, LMKDC, HRKET, BUCIM, BETAE, ARASE, AYDEM, OBAMS, BLUME, DOFRB, NTGAZ, SMRTG, MEGMT, KARSN, GOKNR, POLHO, TUREX, KGYO, MCARD, AKCNS, FONET, MOGAN, SDTTR, FORTE, KATMR, EGPRO, BINHO, IHLAS, SAFKR, IZFAS, KOCMT, ESCOM, SSAAT, TARKM, KZBGY, EMPAE, LINK, MEYSU, SRVGY, KBORU, YIGIT, TKNSA, PARSN, NATEN, ATAKP, VAKKO, ONCSM, HATSN, FORMT, MOPAS, BIENY, FZLGY, EKOS, BURCE, IMASM, SURGY, UCAYM, LXGYO, TMPOL, BINBN.

Which stock has the highest weight in the BIST Participation 100 index?

ASELS is the largest constituent with a weight of 11.91%, followed by TUPRS (10.55%) and BIMAS (9.59%).

Is ASELS in the BIST Participation 100 index?

Yes. ASELS is a constituent of the BIST Participation 100 index with a weight of 11.91%. 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.