Massachusetts · U.S. House · District 06 · 2026

Massachusetts District 06 House race

General election in 51 days · Nov 3, 2026

The read · Massachusetts District 06 House race

Seth Moulton leads the field on money raised.

Candidates in the Massachusetts District 06 House race, 2026 report raising $16M between them. Seth Moulton reports $5.6M and Daniel Koh reports $4.5M, a gap of $1.1M. Of what Seth Moulton reports, 94% came from individuals and 4% from PACs.

Public campaign-finance filings, 2026 cycle. Candidate rows are filers on record, not final ballot lists. Totals are rounded to whole dollars.

Every candidate on file

Ranked by money raised. Each row shows the campaign money mix and a plain-English read.

Seth Moulton

DIncumbent

D · incumbent

Small-donor heavy. 94% from individuals and 4% from PACs.

94% individuals4% PACs2% other

$5.6M

raised

Daniel Koh

D · challenger

Small-donor heavy. 96% from individuals and 2% from PACs.

96% individuals2% PACs2% other

$4.5M

raised

John Beccia

D · challenger

Still has cash to spend. $2.1M on hand from $3.5M raised.

13% individuals0% PACs87% other

$3.5M

raised

Tram Nguyen

D · challenger

Small-donor heavy. 97% from individuals and 3% from PACs.

97% individuals3% PACs0% other

$711K

raised

Micah Jones

R · challenger

Small-donor heavy. 98% from individuals and 2% from PACs.

98% individuals2% PACs0% other

$400K

raised

Rick Jakious

D · challenger

Small-donor heavy. 85% from individuals and 0% from PACs.

85% individuals0% PACs15% other

$355K

raised

Beth Andres-Beck

D · challenger

54% from individuals, 0% from PACs, and 46% from other sources.

54% individuals0% PACs46% other

$322K

raised

Mariah Lancaster

D · challenger

Small-donor heavy. 100% from individuals and 0% from PACs.

100% individuals0% PACs0% other

$310K

raised

Show 1 more candidate

Jamie Belsito

D · challenger

Small-donor heavy. 88% from individuals and 1% from PACs.

88% individuals1% PACs11% other

$253K

raised

Where the money came from

$0 in itemized outside money is on file for this cycle. Candidate fundraising is shown separately below.

Small donors & unclassified$19K

Insurance$19K

Defense & Aerospace$11K

Banking & Financial$10K

Labor / Unions$10K

Transportation$5K

Ideological / Leadership$5K

Biggest itemized outside spenders

THE COUNCIL OF INSURANCE AGENTS & BROKERS POLITICAL ACTION COMMITTEE · pac$15K
EMPLOYEES OF NORTHROP GRUMMAN CORPORATION PAC · pac$6K
AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS POLITICAL ACTION COMMITTEE · pac$5K
COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE · pac$5K
GENERAL ATOMICS POLITICAL ACTION COMMITTEE · pac$5K
INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE · pac$5K
OSI SYSTEMS INC PAC OSI PAC · pac$5K
THE CAPITAL GROUP COMPANIES INC POLITICAL ACTION COMMITTEE · pac$5K

PACs vs the people

This split is from the candidates' own reported fundraising.

76%22%

2% PACs76% individuals22% other

The incumbent's record

Seth Moulton is the linked incumbent for this race.

Net worth (2025)

$9.7M

−$1.0M+. up $9.7M since 2014.

Stock trades

None on file

No disclosed individual stock transactions.

Committees

Current full committee seats on file.

Where they sit

House Committee on Armed Services
House Select Committee on the Strategic Competition Between the United States and the Chinese Communist Party
House Committee on Transportation and Infrastructure

Who funds them

This is the incumbent's own funding by donor sector for the cycle.

Small donors & unclassified$19K

Insurance$19K

Defense & Aerospace$11K

Banking & Financial$10K

Labor / Unions$10K

Transportation$5K

Full profile: net worth, donors, trades, and votes ->

The tale of the tape

Money, side by side. Green marks the leader on each line.

Seth Moulton D · incumbent	vs	DK Daniel Koh D · challenger
$5.6M	Raised	$4.5M
$2.6M	Cash on hand	$3.6M
4%	From PACs	2%
94%	From individuals	96%
Insurance	Top donor sector	Too few to rank
Yes	Incumbent	No