Warsaw, September 3, 2026
Communiqué
GPW Benchmark announces that following the trading session on September 18, 2026 there will be a quarterly adjustment concerning WIG20, WIG20TR, mWIG40, mWIG40TR, sWIG80, sWIG80TR, WIG30 and WIG30TR indices portfolios.
As a result in the WIG20 and WIG20TR the portfolio composition will remain unchanged. Weightings of PKOBP and PKNORLEN companies will be reduced to 15%.
In the mWIG40 and mWIG40TR portfolios will remain unchanged. Weighting of BENEFIT company will be reduced to 10%.
In the sWIG80 and sWIG80TR portfolios there will be following changes:
- new companies: NIEWIADOW, SYN2BIO;
- removed companies: ERBUD, WITTCHEN.
In the WIG30 and WIG30TR the portfolio composition will remain unchanged. Weightings of PKOBP and PKNORLEN companies will be reduced to 10%.
Index ranking was drawn up after the session on August 21, 2026. The ranking takes into account value of trading and the monthly turnover ratio (MTR) for the last 12 months before the ranking day, while the value of free float shares was calculated on the basis of the closing price on August 20, 2026. The ranking does not include companies from the last quartile of the free float market capitalization.