Massachusetts Republican delegates delivered a decisive endorsement to Michael Minogue at the state party convention in late April, awarding him roughly 70 percent of the vote and the official nomination while Brian Shortsleeve cleared the 15 percent threshold with 15.5 percent and Mike Kennealy fell short at 14.1 percent, removing him from the September 1 primary ballot. Minogue, a political newcomer and former Abiomed executive who self-funded heavily and aligned with national conservative priorities on taxes, energy, and immigration, now enters the primary as the clear party favorite against Shortsleeve, a former MBTA administrator. These convention results, reflecting delegate preferences among the remaining candidates, have shaped the current trader consensus on primary outcomes.