Which candidates did Main Street Defense Fund's money end up backing or attacking in 2026?

against Adam Hamilton (Kansas Senate, about $2.1M, lost); for Roger Marshall (Kansas Senate, about $12K, lost). Amounts are the donor's share of each group's spending.

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Donor

Main Street Defense Fund

Company / nonprofit

Virginia

7 reported gifts; 1 recipient group listed, as reported to the FEC by the groups that received them.

Backed losers

Main Street Defense Fund gave $2.1M to super PACs and other outside groups 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, 0% were on the winning side ($0 won, $2.1M lost). $0 had no matched result and is excluded.

Gave to outside spenders

$2.1M

100% of it helped Republicans

Winning share of scored dollars

$2.1M scored (100% of gifts)

Spent on the losing side

$2.1M

Not allocated or result unknown

$0 not allocated to tracked outside spending; $0 has no matched result. Neither is cash on hand.

Where the checks went

A company, LLC or nonprofit. Where its money came from is not reported. Each gift is split the way the group that received it split its spending between winners and losers, so a $10M check to a group that spent 80% on losers counts as $8M on the losing side.

✓ Backed the winner or attacked the loser ✗ Backed the loser or attacked the winner Race not called yet Result not matched

Group	Gave	How the group spent it	Won / lost
Main Street Fund	$2.1M		$0 / $2.1M

The trail

What the money bought

The candidates Main Street Defense Fund's money was spent for or against, pro-rated by Main Street Defense Fund's share of each group's funding.

Candidate	Race	Spending	Their share	Paid off?
Adam Hamilton	Kansas Senate	Attacking	$2.1M	✗ No
Roger Marshall	Kansas Senate	Supporting	$12K	✗ No

Company / nonprofit as classified from the FEC entity type and public reporting.

Questions people ask

How much did Main Street Defense Fund spend on the 2026 elections, and did it win?: Main Street Defense Fund gave $2.1M to super PACs and other outside groups 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, 0% were on the winning side ($0 won, $2.1M lost). $0 had no matched result and is excluded.
Which super PACs did Main Street Defense Fund fund in 2026?: Main Street Fund ($2.1M).
Which candidates did Main Street Defense Fund's money end up backing or attacking in 2026?: against Adam Hamilton (Kansas Senate, about $2.1M, lost); for Roger Marshall (Kansas Senate, about $12K, lost). Amounts are the donor's share of each group's spending.