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Race2026 cycle · OtherElection day 3 Nov 2026Updated

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DonorAlpha, “New Hampshire Senate general 2026”, https://donoralpha.com/races/new-hampshire-senate-general-2026?e=c2026&el=undetermined, updated .

New Hampshire Senate general 2026

Prediction market7 Oct 2026

Chris Pappas 88.5% · prediction market price

No. 11 of 68 Senate races in the 2026 cycle

This race is in the 2026 general election.

The short version

In the 2026 New Hampshire Senate general election, 12 outside groups spent $29.2M: $370K supporting Chris Pappas (D), $15.3M opposing Chris Pappas, $4.8M supporting John Sununu (R) and $8.7M opposing John Sununu.

$29.2M

outside money

supporting Chris Pappas (D)
$370K
opposing Chris Pappas (D)
$15.3M
supporting John Sununu (R)
$4.8M
opposing John Sununu (R)
$8.7M

Result not in yet

Election day is 3 Nov 2026.

  • Chris Pappas

    Democrat

    Waiting for the count

  • John Sununu

    Republican

    Waiting for the count

Outside money supporting and opposing each candidate

Both sides on one scale
← OpposingSupporting →

  • Chris Pappas Democrat

    $15.3M
    $370K

    $370K supporting Chris Pappas · $15.3M opposing Chris Pappas

  • John Sununu Republican

    $8.7M
    $4.8M

    $4.8M supporting John Sununu · $8.7M opposing John Sununu

The long version

The candidates

What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them, and what party committees spent working with the campaign.

  • Chris Pappas

    Democrat

    Own campaign raised
    $15.4M
    Outside money supporting
    $370K
    Outside money opposing
    $15.3M
    Chris Pappas for Senate

  • John Sununu

    Republican

    Own campaign raised
    $4.1M
    Outside money supporting
    $4.8M
    Outside money opposing
    $8.7M

    Party spending with the campaign

    $5.3M

    NRSC $5.3M

    Sununu Senator
  • Campaign money to 19 Aug 2026

Week by week

Outside money each week, supporting and opposing the candidates, all candidates combined.

Week of 5 Oct 2026

Supporting $1,097

Supporting candidatesOpposing candidates

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

  1. Americans for Prosperity Action, Inc.supporting John Sununu$2.2M
  2. No Going Back PACsupporting John Sununu$2.0M
  3. America's Credit Unionssupporting Chris Pappas$361K
  4. Protect Freedom Political Action Committeesupporting John Sununu$230K
  5. America PACsupporting John Sununu$188K
  6. Turning Point PACsupporting John Sununu$83,299
  7. The Sentinel Action Fundsupporting John Sununu$75,969
  8. WinSenatesupporting Chris Pappas$7,300

Spent opposing a candidate

  1. WinSenateopposing John Sununu$8.7M
  2. Senate Leadership Fundopposing Chris Pappas$6.1M
  3. No Going Back PACopposing Chris Pappas$5.5M
  4. Americans for Prosperity Action, Inc.opposing Chris Pappas$2.6M
  5. The Sentinel Action Fundopposing Chris Pappas$610K
  6. America PACopposing Chris Pappas$496K
  7. American Political Action Committeeopposing Chris Pappas$50,972
  8. The Conservative Caucusopposing Karishma Manzur$32,150

Who’s connected to whom

The groups that spent supporting or opposing the candidates.

Their biggest giversGroups that spentCandidatesWinSenate spent $8.7M opposing John Sununu · $8.7MSenate Leadership Fund spent $6.1M opposing Chris Pappas · $6.1MNo Going Back PAC spent $5.5M opposing Chris Pappas · $5.5MAmericans for Prosperity Action, Inc. spent $2.6M opposing Chris Pappas · $2.6MAmericans for Prosperity Action, Inc. spent $2.2M supporting John Sununu · $2.2MNo Going Back PAC spent $2.0M supporting John Sununu · $2.0MThe Sentinel Action Fund spent $610K opposing Chris Pappas · $610KAmerica PAC spent $496K opposing Chris Pappas · $496KAmerica's Credit Unions spent $361K supporting Chris Pappas · $361KProtect Freedom Political Action Committee spent $230K supporting John Sununu · $230KAmerica PAC spent $188K supporting John Sununu · $188KThe Sentinel Action Fund spent $75,969 supporting John Sununu · $75,969WinSenate spent $7,300 supporting Chris Pappas · $7,300SMP gave $21.1M to WinSenate · $21.1MOne Nation gave $70.7M to Senate Leadership Fund · $70.7MChevron Corporation gave $3.9M to Senate Leadership Fund · $3.9MKoch Inc gave $30.0M to Americans for Prosperity Action, Inc. · $30.0MStand Together gave $20.0M to Americans for Prosperity Action, Inc. · $20.0MLexington Fund (VA) gave $1.5M to The Sentinel Action Fund · $1.5MTownsend Six gave $1.3M to The Sentinel Action Fund · $1.3MKiani Family Trust gave $100K to Protect Freedom Political Action Committee · $100KSMPSMPCompany or group · $21.1MOne NationOne NationCompany or group · $70.7MChevron CorporationChevron CorporationCompany or group · $3.9MKoch IncKoch IncCompany or group · $30.0MStand TogetherStand TogetherCompany or group · $20.0MLexington Fund (VA)Lexington Fund (VA)Company or group · $1.5MTownsend SixTownsend SixCompany or group · $1.3MKiani Family TrustKiani Family TrustCompany or group · $100KWinSenateWinSenateGroup · $8.7MNo Going Back PACNo Going Back PACGroup · $7.5MSenate Leadership FundSenate Leadership FundGroup · $6.1MAmericans for ProsperityAction, Inc.Americans for Prosperity Action, Inc.Group · $4.8MThe Sentinel Action FundThe Sentinel Action FundGroup · $686KAmerica PACAmerica PACGroup · $684KAmerica's Credit UnionsAmerica's Credit UnionsGroup · $361KProtect Freedom PoliticalAction CommitteeProtect Freedom Political Action CommitteeGroup · $230KChris PappasChris PappasCandidate · $15.7MJohn SununuJohn SununuCandidate · $13.4MKarishma ManzurKarishma ManzurCandidate · $32,150
  • WinSenate spent opposing John Sununu · $8.7M
  • Senate Leadership Fund spent opposing Chris Pappas · $6.1M
  • No Going Back PAC spent opposing Chris Pappas · $5.5M
  • Americans for Prosperity Action, Inc. spent opposing Chris Pappas · $2.6M
  • Americans for Prosperity Action, Inc. spent supporting John Sununu · $2.2M
  • No Going Back PAC spent supporting John Sununu · $2.0M
  • The Sentinel Action Fund spent opposing Chris Pappas · $610K
  • America PAC spent opposing Chris Pappas · $496K
  • America's Credit Unions spent supporting Chris Pappas · $361K
  • Protect Freedom Political Action Committee spent supporting John Sununu · $230K
  • America PAC spent supporting John Sununu · $188K
  • The Sentinel Action Fund spent supporting John Sununu · $75,969
  • WinSenate spent supporting Chris Pappas · $7,300
  • SMP gave to WinSenate · $21.1M
  • One Nation gave to Senate Leadership Fund · $70.7M
  • Chevron Corporation gave to Senate Leadership Fund · $3.9M
  • Koch Inc gave to Americans for Prosperity Action, Inc. · $30.0M
  • Stand Together gave to Americans for Prosperity Action, Inc. · $20.0M
  • Lexington Fund (VA) gave to The Sentinel Action Fund · $1.5M
  • Townsend Six gave to The Sentinel Action Fund · $1.3M
  • Kiani Family Trust gave to Protect Freedom Political Action Committee · $100K
GaveSpent supportingSpent opposingSwipe to see the whole map.

Group

WinSenate

  • WinSenate spent $8.7M opposing John Sununu$8.7M
  • WinSenate spent $7,300 supporting Chris Pappas$7,300
  • SMP gave $21.1M to WinSenate$21.1M

Polls

Every poll of this race on one timeline.

The average of 3 polls to 22 Sep 2026 has Chris Pappas at 49.3% and John Sununu at 42.3%.

3polls in the average

polls of this race
23
pollsters
11

Chris PappasJohn Sununu

The New York Times/Siena University15 Sep to 22 Sep 2026 · 613 likely voters
DemocraticChris Pappas50.0%
RepublicanJohn Sununu45.0%

Point at a dot, or tab in and use the arrow keys

Every poll, newest first

  1. 22 Sep ’26The New York Times/Siena University 15 Sep to 22 Sep 2026 · 613 likely votersChris Pappas 50.0%John Sununu 45.0%
  2. 21 Sep ’26University of New Hampshire 17 Sep to 21 Sep 2026 · 1,418 likely votersChris Pappas 50.0%John Sununu 42.0%Edmond Laplante 2.0%
  3. 17 Sep ’26InsiderAdvantage 16 Sep to 17 Sep 2026 · 1,200 likely votersChris Pappas 48.0%John Sununu 40.0%
  4. 24 Aug ’26University of New Hampshire 20 Aug to 24 Aug 2026 · 1,878 likely votersChris Pappas 45.0%Scott Brown 40.0%
  5. 24 Aug ’26University of New Hampshire 20 Aug to 24 Aug 2026 · 1,878 likely votersChris Pappas 43.0%John Sununu 45.0%
  6. 18 Aug ’26Saint Anselm College Survey Center 17 Aug to 18 Aug 2026 · 1,411 likely votersChris Pappas 48.0%John Sununu 41.0%
  7. 18 Aug ’26Saint Anselm College Survey Center 17 Aug to 18 Aug 2026 · 1,411 likely votersChris Pappas 49.0%Scott Brown 37.0%
  8. 25 Jun ’26Saint Anselm 24 Jun to 25 Jun 2026 · 1,614 registered votersChris Pappas 47.0%John Sununu 41.0%
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