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Outside spender

The Sentinel Action Fund

FEC committee C00811166

Loser

The Sentinel Action Fund spent $16M on independent expenditures in the 2026 federal elections, and 100% of it helped Republicans (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Among dollars with a matched election-stage result, 13% were on the winning side ($2.2M won, $14M lost). $1K had no matched result and is excluded.

Outside spending

$16M

Winning share of scored dollars

13%

$16M scored (100% of spending); $1K unknown

On the losing side

$14M

Supporting vs attacking

41% / 59%

$6.6M for, $9.7M against

Google says The Sentinel Action Fund also spent $812K on Google and YouTube ads this cycle (5% of its FEC-reported outside spending). All ad buyers →

Follow the money

Who filled the envelope

The donor records in this snapshot trace $28M to The Sentinel Action Fund. This is incomplete funding coverage; percentages below refer only to these traced gifts. The allocation denominator is $34M.
All big donors →

Where the money went

Biggest targets, with whether each one paid off.
✓ Backed the winner or attacked the loser ✗ Backed the loser or attacked the winner Race not called yet Result not matched
CandidateRaceSpendingAmountPaid off?
Abdul El-SayedMichigan SenateAttacking$4.7M✗ No
Sherrod BrownOhio Senate (special)Attacking$3.5M✗ No
Jon HustedOhio Senate (special)Supporting$2.5M✗ No
Mike RogersMichigan Senate (primary)Supporting$2.2M✓ Yes
Mike RogersMichigan SenateSupporting$1.7M✗ No
Chris PappasNew Hampshire SenateAttacking$1.5M✗ No
John E. SununuNew Hampshire SenateSupporting$211K✗ No
Susan CollinsMaine SenateSupporting$8K✗ No
Graham PlatnerMaine SenateAttacking$1KUnknown

Questions people ask

How much did The Sentinel Action Fund spend in 2026, and did it win?
The Sentinel Action Fund spent $16M on independent expenditures in the 2026 federal elections, and 100% of it helped Republicans (FEC filings with varying coverage dates; the most common larger-campaign cutoff is Oct 14, 2026). Among dollars with a matched election-stage result, 13% were on the winning side ($2.2M won, $14M lost). $1K had no matched result and is excluded.
Who funds The Sentinel Action Fund?
Its biggest reported donors in the 2026 cycle were Right Vote, Inc. ($6.0M), Townsend Six Corp. ($2.3M), Kenneth Lawrence Fisher ($1.5M), Lexington Fund ($1.5M), Cliff Asness ($1.2M), out of $28M received from donors tracked here.
Which candidates did The Sentinel Action Fund spend the most on in 2026?
against Abdul El-Sayed (Michigan Senate, $4.7M, lost); against Sherrod Brown (Ohio Senate (special), $3.5M, lost); for Jon Husted (Ohio Senate (special), $2.5M, lost).