In the 2026 Massachusetts Senate primary, 6 outside groups spent $7.9M: $2.3M supporting Seth Moulton (D), $2.2M opposing Seth Moulton, $42,936 supporting Edward Markey (D) and $3.3M opposing Edward Markey.
The result, as reportedunofficial
- DemocraticEdward Markey64.7%Won
- RepublicanJohn Deaton99.3%Won
In the 2026 Massachusetts Senate primary, Edward Markey won the Democratic ballot with 64.7% of the vote and John Deaton won the Republican ballot with 99.3% of the vote.
outside money
- supporting Seth Moulton (D)
- $2.3M
- opposing Seth Moulton (D)
- $2.2M
- supporting Edward Markey (D)
- $42,936
- opposing Edward Markey (D)
- $3.3M
Outside money supporting and opposing each candidate
Both sides on one scaleSeth Moulton Democrat
$2.2M$2.3M$2.3M supporting Seth Moulton · $2.2M opposing Seth Moulton
Edward Markey Democrat
$3.3M$42,936$42,936 supporting Edward Markey · $3.3M opposing Edward Markey
The candidates
What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.
Seth Moulton
Democrat
- Own campaign raised
- $6.2M
- Outside money supporting
- $2.3M
- Outside money opposing
- $2.2M
Edward Markey
Democrat
- Own campaign raised
- $5.4M
- Outside money supporting
- $42,936
- Outside money opposing
- $3.3M
- Campaign money to 12 Aug 2026
Week by week
Outside money each week, supporting and opposing the candidates, all candidates combined.
Week of 24 Aug 2026
Supporting $842KOpposing $1.3M
The groups on each side
The biggest outside groups in this race, by what they spent supporting or opposing each candidate.
Spent supporting a candidate
- Advance Progresssupporting Seth Moulton$2.3M
- NRDC Action Votessupporting Edward Markey$24,929
- National Association of Realtors Political Action Committeesupporting Edward Markey$17,917
- Givegreen United Actionsupporting Edward Markey$80
- Sierra Club Independent Actionsupporting Edward Markey$10
Spent opposing a candidate
- Advance Progressopposing Edward Markey$3.3M
- Commonwealth Together PACopposing Seth Moulton$2.2M
Who’s connected to whom
The groups that spent supporting or opposing the candidates.
- Advance Progress spent opposing Edward Markey · $3.3M
- Advance Progress spent supporting Seth Moulton · $2.3M
- Commonwealth Together PAC spent opposing Seth Moulton · $2.2M
- NRDC Action Votes spent supporting Edward Markey · $24,929
- National Association of Realtors Political Action Committee spent supporting Edward Markey · $17,917
- Givegreen United Action spent supporting Edward Markey · $80
- Sierra Club Independent Action spent supporting Edward Markey · $10
- MA Progress Action (AZ) gave to Advance Progress · $580K
- Baker Family Trust gave to Advance Progress · $250K
- 1199 SEIU - MA PAC gave to Commonwealth Together PAC · $125K
- AFSCME gave to Commonwealth Together PAC · $100K
- NRDC Action Fund gave to NRDC Action Votes · $3.1M
- League of Conservation Voters gave to Givegreen United Action · $946K
- NRDC Action Fund gave to Givegreen United Action · $922K
Group
- Advance Progress spent $3.3M opposing Edward Markey$3.3M
- Advance Progress spent $2.3M supporting Seth Moulton$2.3M
- MA Progress Action (AZ) gave $580K to Advance Progress$580K
- Baker Family Trust gave $250K to Advance Progress$250K
Go deeper
The paperwork behind this race, all of it. Free with an email sign-in.
The paperwork