RE:RE:RE:RE:RE:RE:RE:RE:What's Going On People??? Copied and pasted below:
2021 Reconstitution calendar for the Russell US Indexes
May-ranking month
May is “ranking” month when all eligible US companies are lined up to form the preliminary Russell Reconstitution portfolio. In 2021, the rank day falls on Friday, May 7.
June-transition month
June is the month that the preliminary reconstitution portfolio is communicated to the marketplace. Beginning on June 4, preliminary lists are communicated to the marketplace and updates are provided on June 11, 18, and 25. The newly reconstituted indexes take effect after the market close on June 25.