Dan Koh holds a commanding position in the September 1, 2026 Democratic primary for Massachusetts’ 6th Congressional District, backed by roughly $4.5 million raised and the largest cash reserve in the field, which has funded sustained television advertising. His internal polling released in early August showed him at 34 percent support—nearly double his nearest rivals—while emphasizing his federal government experience and opposition to the current administration. State Representative Tram Nguyen, the only sitting officeholder, trails as the clearest alternative, highlighting her legislative record and personal background in limited television spots. John Beccia and the remaining candidates register minimal support in recent surveys, constrained by lower visibility and fundraising. Traders’ consensus aligns with these resource and polling differentials in the final weeks before ballots are cast.