2026 United States Senate election in Massachusetts

2026 United States Senate election in Massachusetts
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November 3, 2026
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Nominee Ed Markey John Deaton
Party Democratic Republican
Incumbent U.S. senator

Ed Markey
Democratic


The 2026 United States Senate election in Massachusetts will be held on November 3, 2026, to elect a member of the United States Senate to represent the Commonwealth of Massachusetts. Democratic incumbent Ed Markey is seeking a third full term. He is being challenged by Republican attorney John Deaton.

Primary elections were held on September 1. Markey won the Democratic nomination over congressman Seth Moulton with 64.9% of the vote. Deaton, the Republican nominee in 2024, was nominated a second time after running unopposed in the primary.

Republicans have not won a Senate election in Massachusetts since 2010.

Democratic primary

Candidates

Nominee

  • Ed Markey, incumbent U.S. senator (2013–present)

Eliminated in primary

Eliminated in convention

  • William F. Gates Jr., professor and architect

Withdrawn

  • Alex Rikleen, history teacher (endorsed Markey)

Declined

Endorsements

Ed Markey
U.S. senators
U.S. representatives
Statewide officials
State legislators
Local officials
Individuals
  • Ken Burns, filmmaker
  • Alex Rikleen, history teacher and former candidate for this seat
Labor unions
Organizations
Political parties
Newspapers
Seth Moulton
U.S. representatives
Statewide officials
State legislators
Individuals
Labor unions
Organizations
Newspapers
Declined to endorse
Statewide officials

Fundraising

Italics indicate a withdrawn candidate

Campaign finance reports as of August 12, 2026
Candidate Raised Spent Cash on hand
Ed Markey (D) $8,051,970 $8,355,270 $1,348,676
Seth Moulton (D) $6,213,103 $6,228,105 $1,835,336
Source: Federal Election Commission

Polling

Aggregate polls

Source of poll
aggregation		 Dates
administered		 Dates
updated		 Ed
Markey		 Seth
Moulton		 Undecided Margin
270toWin August 5–16, 2026 August 19, 2026 56.0% 35.0% 9.0% Markey +21.0%
Race to the WH through August 16, 2026 August 18, 2026 53.6% 35.4% 11.0% Markey +18.2%
Average 54.8% 35.2% 10.0% Markey +19.6%
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Ed
Markey		 Seth
Moulton		 Alex
Rikleen		 Other Undecided
Emerson College August 28–29, 2026 550 (LV) ± 4.1% 65% 35% — — —
60% 33% — — 7%
University of New Hampshire August 20–24, 2026 550 (LV) ± 4.2% 63% 28% — 2% 7%
Public Policy Polling (D) August 17–18, 2026 645 (LV) ± 3.9% 59% 26% — — 15%
53% 22% — — 25%
Suffolk University August 13–16, 2026 500 (RV) ± 4.4% 52% 38% — 1% 9%
UMass Amherst/YouGov August 5–12, 2026 445 (LV) ± 5.8% 60% 32% — 2% 7%
54% 28% — 1% 17%
University of New Hampshire June 18–23, 2026 370 (LV) ± 5.1% 41% 35% — 1% 23%
May 27, 2026 Rikleen withdraws from the race, endorses Markey
Emerson College May 3–4, 2026 451 (LV) ± 4.5% 37% 32% 1% 1% 29%
University of New Hampshire April 16–20, 2026 353 (LV) ± 5.2% 46% 33% 6% — 15%
Suffolk University April 9–13, 2026 500 (RV) ± 4.4% 47% 30% — — 20%
University of New Hampshire February 12–16, 2026 352 (LV) ± 5.2% 35% 23% 7% 5% 30%
Suffolk University November 19–23, 2025 226 (LV) ± 6.5% 45% 22% — — 33%
University of New Hampshire November 13–17, 2025 343 (LV) ± 5.3% 34% 25% 2% 3% 35%
Data for Progress (D) October 23–26, 2025 652 (LV) ± 4.0% 53% 34% — — 13%
UMass Amherst/YouGov October 21–29, 2025 416 (LV) ± 6.1% 51% 28% 6% 1% 14%
44% 25% 5% 1% 25%
Hypothetical polling
Ed Markey vs. Seth Moulton vs. Ayanna Pressley
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Ed
Markey		 Seth
Moulton		 Ayanna
Pressley		 Other Undecided
Suffolk University November 19–23, 2025 226 (LV) ± 6.5% 34% 16% 35% — 15%
Ed Markey vs. Seth Moulton vs. Ayanna Pressley vs. Alex Rikleen
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Ed
Markey		 Seth
Moulton		 Ayanna
Pressley		 Alex
Rikleen		 Other Undecided
UMass Amherst/YouGov October 21–29, 2025 416 (LV) ± 6.1% 35% 25% 21% 5% 1% 19%
31% 24% 20% 4% 1% 24%
Seth Moulton vs. Ayanna Pressley vs. Michelle Wu vs. Joseph P. Kennedy III vs. Jake Auchincloss vs. Alex Rikleen
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Seth
Moulton		 Ayanna
Pressley		 Michelle
Wu		 Joseph P.
Kennedy III		 Jake
Auchincloss		 Alex
Rikleen		 Other Undecided
UMass Amherst/YouGov October 21–29, 2025 416 (LV) ± 6.1% 29% 24% 19% 11% 6% 6% 1% 4%
26% 23% 17% 9% 5% 3% 1% 16%

Debates

Democratic primary debates
No. Date Hosts Moderators Link Democratic Democratic
Key:
 P  Participant   A  Absent   N  Not invited   I  Invited  W  Withdrawn
Ed Markey Seth Moulton
1 July 8, 2026 WWLP Patrick Berry YouTube P P
2 August 3, 2026 Boston 25 News
WGBH-FM		 Kerry Kavanaugh
Adam Reilly		 YouTube P P
3 August 20, 2026 WCVB-TV
WBUR-FM
The Boston Globe		 Ed Harding YouTube P P

Convention

Candidates must win at least 15% at the party convention in order to make it onto the primary ballot. The convention decides which candidate gets the party's endorsement for the primary election while the primary decides the party nominee for the general election.

Democratic convention vote, May 30
Party Candidate Votes %
Democratic Ed Markey (incumbent) 2,744 72.9
Democratic Seth Moulton 1,018 27.1
Total votes 3,762 100.0

Results

Democratic primary results by county
Results by municipality:
  Markey
  •   50–60%
  •   60–70%
  •   70–80%
  •   80–90%
  Moulton
  •   50–60%
  •   60–70%
  Tie
Democratic primary results
Party Candidate Votes %
Democratic Ed Markey (incumbent) 580,628 64.7
Democratic Seth Moulton 314,198 35.0
Write-in 2,225 0.3
Total votes 897,051 100.0

Republican primary

Candidates

Nominee

Eliminated at convention or did not file

Withdrawn

Declined

Endorsements

John Deaton
Organizations
Political parties

Fundraising

Italics indicate a withdrawn candidate.

Campaign finance reports as of August 12, 2026
Candidate Raised Spent Cash on hand
John Deaton (R) $1,561,360 $848,943 $712,417
Source: Federal Election Commission

Results

Republican primary results by county
Republican primary results
Party Candidate Votes %
Republican John Deaton 221,950 99.3
Write-in 1,555 0.7
Total votes 223,505 100.0

Third parties and independents

Party for Socialism and Liberation

Candidates

Declared
  • Joe Tache, organizer

Fundraising

Campaign finance reports as of September 3, 2026
Candidate Raised Spent Cash on hand
Joe Tache (PSL) $269,878 $176,871 $93,007
Source: Federal Election Commission

Independents

Candidates

Declared
Did not qualify

Fundraising

Campaign finance reports as of August 12, 2026
Candidate Raised Spent Cash on hand
Shiva Ayyadurai (I) $269,035 $150,776 $117,116
Nathan Bech (I) $80,010 $56,107 $28,677
Morgan Dawicki (I) $16,498 $7,743 $3,564
Source: Federal Election Commission

General election

Predictions

Source Ranking As of
The Cook Political Report Solid D October 20, 2026
Decision Desk HQ Safe D October 22, 2026
The Economist Safe D October 21, 2026
FiftyPlusOne Safe D October 22, 2026
Fox News Solid D October 20, 2026
Inside Elections Solid D October 15, 2026
NBC News Solid D October 22, 2026
RealClearPolitics Solid D October 12, 2026
Sabato's Crystal Ball Safe D October 14, 2026
Silver Bulletin Solid D October 22, 2026
Split Ticket Safe D October 22, 2026

Post-primary endorsements

Joe Tache (PSL)
Organizations

Fundraising

Campaign finance reports as of October 14, 2026
Candidate Raised Spent Cash on hand
Ed Markey (D) $8,685,207 $9,537,271 $799,913
John Deaton (R) $1,674,460 $1,186,303 $488,156
Joe Tache (PSL) $285,403 $261,623 $23,780
Shiva Ayyadurai (I) $245,729 $159,434 $85,152
Source: Federal Election Commission

Debates

2026 Massachusetts U.S. Senate election debates and forums
No. Date Host Moderator Link Democratic Democratic Republican Socialism and Liberation
Key:
 P  Participant   A  Absent   N  Not invited   I  Invited  W  Withdrawn
Ed Markey Seth Moulton John Deaton Joe Tache
1 June 16, 2026 WBZ-TV Jon Keller C-SPAN A P P N
2 October 13, 2026 WBZ-TV Jon Keller YouTube P N P N
3 October 27, 2026 BreakThrough News Zoe Alexandra
Rania Khalek		 YouTube I N I I

Polling

Aggregate polls
Source of poll
aggregation		 Dates
administered		 Dates
updated		 Ed
Markey (D)		 John
Deaton (R)		 Other/
Undecided		 Margin
270toWin September 17 – October 18, 2026 October 20, 2026 55.8% 29.8% 14.4% Markey +26.0%
RealClearPolitics September 14 – October 18, 2026 October 20, 2026 55.8% 29.8% 14.4% Markey +26.0%
Silver Bulletin through October 12, 2026 October 19, 2026 56.5% 29.9% 13.6% Markey +26.6%
Average 56.0% 29.8% 14.2% Markey +26.2%
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Ed
Markey (D)		 John
Deaton (R)		 Joe
Tache (PSL)		 Other Undecided
Suffolk University October 14–18, 2026 500 (LV) ± 4.4% 60% 32% 1% 1% 6%
UMass Amherst/YouGov October 5–12, 2026 800 (RV) ± 4.2% 56% 29% 3% 8% 4%
54% 28% 2% 7% 9%
MassINC Polling Group September 14–22, 2026 800 (LV) ± 4.0% 54% 28% 2% 8% 9%
52% 26% 2% 6% 14%
University of New Hampshire September 17–21, 2026 564 (LV) ± 4.1% 53% 30% 9% — 8%
September 1, 2026 Primary elections
University of New Hampshire August 20–24, 2026 881 (LV) ± 2.2% 49% 30% 7% 1% 12%
UMass Amherst/YouGov August 5–12, 2026 800 (RV) ± 4.4% 51% 30% — 3% 15%
University of New Hampshire June 18–23, 2026 623 (LV) ± 3.8% 50% 34% — — 16%
Suffolk University June 8–12, 2026 500 (LV) ± 4.4% 55% 30% — 1% 14%
University of New Hampshire April 16–20, 2026 603 (LV) ± 4.0% 55% 32% — 1% 12%
University of New Hampshire February 12–16, 2026 620 (LV) ± 3.9% 56% 27% — 2% 15%
Cygnal (R) January 22–25, 2026 800 (LV) ± 3.5% 54% 30% — — 16%
Suffolk University November 19–23, 2025 500 (RV) ± 4.4% 54% 31% — — 15%
SurveyUSA February 28 – March 4, 2025 775 (RV) — 45% 26% — — 30%
Hypothetical polling
Ed Markey vs. Charlie Baker
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Ed
Markey (D)		 Charlie
Baker (R)		 Other Undecided
UMass Amherst/YouGov February 14–20, 2025 700 (A) ± 4.8% 35% 33% — 33%
MassINC Polling Group October 29 – November 1, 2024 582 (LV) ± 4.9% 34% 40% 7% 19%
Seth Moulton vs. John Deaton
Poll source Date(s)
administered		 Sample
size		 Margin
of error		 Seth
Moulton (D)		 John
Deaton (R)		 Other Undecided
University of New Hampshire August 20–24, 2026 881 (LV) ± 2.2% 38% 25% 18% 19%
UMass Amherst/YouGov August 5–12, 2026 800 (RV) ± 4.4% 49% 25% 3% 22%
University of New Hampshire June 18–23, 2026 623 (LV) ± 3.8% 50% 30% 1% 19%
Suffolk University June 8–12, 2026 500 (LV) ± 4.4% 54% 26% 2% 18%
University of New Hampshire April 16–20, 2026 600 (LV) ± 4.0% 56% 25% 1% 18%
University of New Hampshire February 12–16, 2026 620 (LV) ± 3.9% 59% 23% 2% 16%
Suffolk University November 19–23, 2025 500 (RV) ± 4.4% 52% 29% — 19%

Results

2026 United States Senate election in Massachusetts
Party Candidate Votes % ±%
Democratic Ed Markey (incumbent)
Republican John Deaton
Socialism and Liberation Joe Tache
Independent Shiva Ayyadurai
Write-in
Total votes 100.0

Notes

  1. ↑ Calculated by taking the difference of 100% and all other candidates combined.
  2. ↑ Alex Rikleen with 2.0%; William Francis Gates with 1.8%
  3. 1 2 3 4 5 6 7 Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  4. 1 2 3 4 5 6 7 8 With voters who lean towards a given candidate
  5. ↑ "Write in someone else" with 2%
  6. ↑ "Refused" with 1%
  7. ↑ "Would not vote" with 2%
  8. 1 2 3 4 5 6 7 "Would not vote" with 1%
  9. ↑ William Gates with 1%
  10. ↑ "Another candidate" with 4%; William Francis Gates with 1%
  11. ↑ 'Write in someone else' with 3%
  12. ↑ The Economist's prediction model uses unconventional terminology. For the purpose of equivalency, their "Very Likely" ratings are formatted as a "Likely" rating while "Likely" ratings are formatted as a "Lean" rating.
  13. ↑ Calculated by taking the difference of 100% and all other candidates combined.
  14. ↑ Shiva Ayyadurai (I) with 1%
  15. ↑ Shiva Ayyadurai (I) with 6%; "Other" with 2%
  16. ↑ Shiva Ayyadurai (I) with 5%; "Other" with 2%
  17. ↑ Shiva Ayyadurai (I) & "Another candidate" with 3%; "Prefer not to say" with 2%
  18. ↑ "Another candidate" with 3%; Shiva Ayyadurai (I) with 2%; & "Prefer not to say" with 1%
  19. ↑ "Write in someone else" with 1%
  20. ↑ "Would not Vote" with 3%
  21. ↑ "Refused" with 1%
  22. 1 2 "Another candidate" with 1%
  23. 1 2 "Another candidate with 2%
  24. ↑ "Would not vote for Senate" & "Another candidate" with 3%; "Prefer not to say" with 1%
  25. ↑ Joe Tache (PSL) with 16%; "Write in someone else" with 2%
  26. ↑ "Would not Vote" with 3%
  27. ↑ "Refused" with 2%
Partisan clients
  1. ↑ Poll sponsored by The Majority Institute
  2. 1 2 3 4 5 6 7 8 9 Poll sponsored by The Boston Globe
  3. 1 2 3 4 5 6 7 8 Poll sponsored by WCVB
  4. ↑ Poll sponsored by Deaton's campaign
  5. ↑ Poll sponsored by the Massachusetts Responsible Alliance

References

  1. ↑ Medsger, Matthew (October 27, 2024). "Ed Markey says he will seek a third term in 2026, when he will be 80 years old". Boston Herald.
  2. ↑ "Massachusetts Senate Primary Results 2026". NBC News. Retrieved September 1, 2026.
  3. ↑ Brodey, Sam (September 23, 2025). "Seth Moulton believed to be weighing 2026 primary challenge to Ed Markey". The Boston Globe. Retrieved September 24, 2025.{{cite news}}: CS1 maint: deprecated archival service (link)
  4. ↑ "Moulton launches challenge to Markey, arguing Democrats can no longer afford to 'follow same old playbook' - The Boston Globe". BostonGlobe.com. Retrieved October 15, 2025.
  5. ↑ "New poll finds that Markey, Healey lead MA Senate, governor races". Worcester Telegram. Retrieved March 2, 2026.
  6. ↑ Garrity, Kelly (May 30, 2025). "Meet Markey's primary challenger". Politico. Retrieved June 5, 2025.
  7. 1 2 Dumcius, Gintautas (May 28, 2026). "Citing ethics advisory opinion, Jubinville stepping aside from clerk job for DA run". MASSterList. Retrieved May 28, 2026. Former history teacher Alex Rikleen, a Democrat running for U.S. Senate, is dropping his bid and endorsing incumbent Ed Markey over Rep. Seth Moulton.
  8. ↑ Brodey, Sam (September 17, 2025). "Auchincloss rules out Markey challenge to focus on leading new national Democratic group". The Boston Globe. Retrieved September 17, 2025.
  9. ↑ Jopan, Tai; Brodey, Sam (December 2, 2025). "Pressley won't challenge Markey, will run for re-election". The Boston Globe. Retrieved December 2, 2025.
  10. ↑ Deehan, Mike (June 29, 2026). "Sanders backs Markey in primary". Axios. Retrieved June 29, 2026.
  11. ↑ Stout, Matt (June 25, 2025). "In early show of political muscle, Ed Markey gets Elizabeth Warren's endorsement". The Boston Globe. Retrieved June 25, 2025.
  12. 1 2 3 "Sen. Collins and Rep. Hunt join latest group of Markey endorsers". Dorchester Reporter. September 22, 2025. Retrieved September 22, 2025.
  13. 1 2 3 4 5 6 "Sen. Markey endorsed by Rep. Keating as 2026 reelection campaign ramps up". WPRI. August 21, 2025. Retrieved December 2, 2025.
  14. ↑ Castellano, Jessie (July 31, 2025). "This Local Congressman Endorsed Sen. Ed Markey For Reelection". Patch Media. Retrieved July 31, 2025.
  15. ↑ Micek, John (July 8, 2025). "Western Mass.'s most powerful pol endorses Ed Markey's 2026 reelection bid". The Republican. Retrieved July 8, 2025.
  16. ↑ Garrity, Kelly (August 20, 2026). "AOC endorses Ed Markey, giving incumbent late-campaign boost in Senate primary against Moulton". The Boston Globe. Retrieved August 20, 2026.
  17. ↑ Prichard, Matt (November 26, 2025). "Trahan on Democrats' hopes for 2026". NBC Boston. Retrieved November 27, 2025. Trahan is also keeping an eye on the Bay State's Senate race. Earlier this year she endorsed incumbent Ed Markey. The congresswoman says she plans to stick with that decision even if others, like Rep. Ayanna Pressley, join the fray.
  18. ↑ "Ayanna Pressley, who once considered running against Senator Ed Markey, endorses him for reelection". The Boston Globe. Retrieved March 3, 2026.
  19. ↑ Micek, John L. (October 23, 2025). "All the right friends: Mass AG Campbell endorses Sen. Ed Markey for reelection". MassLive.com. Retrieved October 23, 2025.
  20. 1 2 3 4 5 6 Cullen, Margie. "Worcester Mayor Joe Petty, other elected officials endorse Markey". Cape Cod Times. Retrieved April 18, 2026.
  21. 1 2 3 4 5 Garrity, Kelly (October 9, 2025). "Galvin wades into congressional crypto fight". Politico. Retrieved October 12, 2025.
  22. 1 2 3 4 5 6 7 "Markey notches endorsements from a flurry of Boston elected officials". Dorchester Reporter. February 25, 2026. Retrieved February 26, 2026.
  23. 1 2 Ferland, Sam (March 26, 2026). "Markey secures endorsements from western Mass leaders". Greenfield Recorder. Retrieved March 26, 2026.
  24. 1 2 Gilbert, Melanie (July 16, 2025). "U.S. Sen. Ed Markey racks up endorsements". The Lowell Sun. Retrieved February 2, 2026.
  25. 1 2 3 Garrity, Kelly (August 13, 2025). "Markey's missing endorsements". Politico. Retrieved February 1, 2026.
  26. 1 2 3 4 5 Garrity, Kelly (July 1, 2025). "Markey marks his territory". Politico. Retrieved July 1, 2025.
  27. ↑ "Boston Mayor Wu endorses 79-year-old Ed Markey's Senate reelection bid". Boston Herald. February 23, 2026. Retrieved February 24, 2026.
  28. ↑ Cristantiello, Ross (December 9, 2025). "Filmmaker Ken Burns endorses Ed Markey". Boston.com. Retrieved February 2, 2026.
  29. ↑ Garrity, Kelly (June 8, 2026). "Marty Walsh's labor relations, North Shore edition". The Boston Globe. Retrieved June 11, 2026.
  30. ↑ "Largest Federal Employee Union Endorses Sen. Ed Markey for Reelection". afge.org. American Federation of Government Employees. Retrieved November 18, 2025.
  31. 1 2 3 Dumcius, Gintautas (November 5, 2025). "Permanent change". MASSterList. Retrieved March 13, 2026.
  32. ↑ Garrity, Kelly (December 11, 2025). "Border skirmish". Politico. Retrieved December 11, 2025.
  33. ↑ "Endorsements". Association of Flight Attendants-CWA. Retrieved April 16, 2026.
  34. ↑ Garrity, Kelly (February 2, 2026). "Checking in on the money races". Politico. Retrieved February 2, 2026.
  35. 1 2 3 "Massachusetts Playbook". POLITICO. January 12, 2026. Retrieved January 13, 2026.
  36. ↑ Garrity, Kelly (June 26, 2025). "Markey's early union boost". Politico. Retrieved February 18, 2026.
  37. ↑ Dumcius, Gintautas (March 12, 2026). "Taking a pass on gas". MASSterList. Retrieved March 12, 2026.
  38. ↑ "Mass. Teachers Association endorses Senator Ed Markey for reelection - The Boston Globe". Boston Globe. Retrieved January 12, 2026.
  39. ↑ "Beacon Hill's credit check". Politico. November 3, 2025. Retrieved November 3, 2025.
  40. 1 2 Garrity, Kelly; Kashinsky, Lisa (February 18, 2026). "New Hampshire Dems' wait is over". Politico. Retrieved February 18, 2026.
  41. ↑ Dumcius, Gintautas (January 15, 2026). "The ghost of Willie Horton". Retrieved February 2, 2026.
  42. ↑ Garrity, Kelly (January 21, 2026). "Dems on thin ICE over immigration enforcement reform". Politico. Retrieved January 21, 2026.
  43. ↑ "ANCA endorses Massachusetts Senator Ed Markey for re-election". The Armenian Weekly. April 22, 2026. Retrieved April 23, 2026.
  44. ↑ Garrity, Kelly (October 30, 2025). "Wu's school speech". Politico. Retrieved October 30, 2025.
  45. ↑ Garrity, Kelly (January 5, 2026). "Another candidate enters the MA-06 race". Politico. Retrieved January 6, 2026.
  46. ↑ "End Citizens United Endorses Senator Ed Markey for Reelection in Massachusetts". endcitizensunited.org. May 7, 2026. Retrieved May 11, 2026.
  47. ↑ "Human Rights Campaign PAC Endorses Pro-Equality Champion Senator..." HRC. April 2, 2026. Retrieved April 3, 2026.
  48. ↑ "Ed Markey". J Street PAC. Retrieved August 13, 2026.
  49. ↑ "Jewish Dems Endorsed Candidates". Jewish Democratic Council of America. Retrieved November 13, 2025.
  50. ↑ "CANDIDATES". JAC. Archived from the original on November 21, 2025. Retrieved November 23, 2025.
  51. ↑ "2025-2026 Endorsements". League of Conservation Voters. Retrieved November 13, 2025.
  52. ↑ "NRDC Action Fund Endorsements". NRDC Action Fund. Retrieved April 23, 2026.
  53. ↑ "Ed Markey for Re-Election to the US Senate". Our Revolution. Retrieved July 12, 2026.
  54. ↑ "2026 Planned Parenthood Action Fund Endorsed Candidates". www.plannedparenthoodaction.org. Planned Parenthood Action Fund. Retrieved April 8, 2026.
  55. ↑ "2026 Endorsements". Population Connection Action Fund. Retrieved November 13, 2025.
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  57. ↑ "ENDORSEMENTS". Progressive Democrats of America. Archived from the original on February 27, 2026. Retrieved March 25, 2026.
  58. ↑ "Who We're Endorsing". Reproductive Freedom for All. Archived from the original on September 7, 2026. Retrieved October 24, 2026.
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  62. ↑ "Our Opinion: Ed Markey for US Senate". The Berkshire Eagle. August 22, 2026. Retrieved August 24, 2026.
  63. 1 2 3 4 Curtis, Keith (July 27, 2026). "POLITICAL NOTEBOOK: Four House Dems back Moulton for Senate". Local Headline News. Retrieved July 30, 2026.
  64. 1 2 Garrity, Kelly (February 3, 2026). "Veterans' PAC backs Moulton for Senate". Politico. Retrieved February 3, 2026.
  65. ↑ Wildstein, David (August 6, 2026). "Sherrill backs Moulton over Markey in Massachusetts Senate primary". New Jersey Globe. Retrieved August 6, 2026.
  66. ↑ Garrity, Kelly (June 1, 2026). "The quiet parts get loud in Markey-Moulton Senate primary". The Boston Globe. Retrieved June 1, 2026.
  67. ↑ Miller, Tim (May 13, 2026). "The Status Quo Needs Shaking Up". The Bulwark. Retrieved May 26, 2026.
  68. ↑ Garrity, Kelly (January 9, 2026). "The 2026 down-ballot races to watch". Politico. Retrieved January 10, 2026.
  69. ↑ Garrity, Kelly (December 18, 2025). "A tax shift alternative". Politico. Retrieved December 19, 2025.
  70. ↑ "Teamsters endorse Moulton for Senate". January 29, 2026. Retrieved February 2, 2026.
  71. ↑ "UWUA Endorses Seth Moulton for Senate". Utility Workers Union of America. January 20, 2026. Retrieved February 2, 2026.
  72. ↑ "Growing a New Generation of Senate Leadership". dfer.org. Retrieved May 26, 2026.
  73. ↑ "The Globe editorial board endorses Seth Moulton for Senate". The Boston Globe. August 18, 2026. Retrieved August 19, 2026.
  74. ↑ Garrity, Kelly (June 11, 2026). "The state of Healey's policy wish list". The Boston Globe. Retrieved June 11, 2026. But she's not getting involved in the Democratic Senate primary playing out at home. Healey has no plans to endorse either US Representative Seth Moulton or Senator Ed Markey, she told WBUR.
  75. 1 2 3 4 5 "2026 Election United States Senate - Massachusetts". fec.gov. Federal Election Commission. Retrieved August 17, 2026.
  76. 1 2 "2026 Polls: Massachusetts Senate". 270toWin. Retrieved October 19, 2026.
  77. ↑ "2026 Senate Polling Average". Race to the WH. Retrieved August 19, 2026.
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