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Outside spender

Senate Leadership Fund

Senate Republican leadership

FEC committee C00571703

Backed losers

Senate Leadership Fund (Senate Republican leadership) spent $353M 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, 4% were on the winning side ($13M won, $320M lost, with $18M in races still being counted). $250K had no matched result and is excluded.

Outside spending

$353M

Winning share of scored dollars

4%

$334M scored (95% of spending); $250K unknown

On the losing side

$320M

$18M still being counted

Supporting vs attacking

4% / 96%

$14M for, $338M against

Google says Senate Leadership Fund also spent $36M on Google and YouTube ads this cycle (10% of its FEC-reported outside spending). All ad buyers →

Follow the money

Who filled the envelope

The donor records in this snapshot trace $388M to Senate Leadership Fund. This is incomplete funding coverage; percentages below refer only to these traced gifts. The allocation denominator is $552M.
All big donors →

The people behind it

The people giving to Senate Leadership Fund

169 named people gave $317M in itemized gifts this cycle. These are the biggest 25. Committees must name anyone who gives more than $200 in a year; smaller gifts are reported only as a lump sum, and money from companies, unions and other groups is not in this list.
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Names, employers and occupations are as the committee reported them to the FEC. People with the same name in the same state are counted as one person. Federal law bars using these names to ask for money or for any commercial purpose.

Where the money went

Biggest targets, with whether each one won.
✓ Backed the winner or attacked the loser ✗ Backed the loser or attacked the winner Race not called yet Result not matched
CandidateRaceSpendingAmountWon?
Sherrod BrownOhio Senate (special)Attacking$93M✗ No
Josh TurekIowa SenateAttacking$49M✗ No
Abdul El-SayedMichigan SenateAttacking$46M✗ No
Troy JacksonMaine SenateAttacking$38M✗ No
Roy CooperNorth Carolina SenateAttacking$30M✗ No
Adam HamiltonKansas SenateAttacking$16M✗ No
Mary PeltolaAlaska SenateAttacking$16MCounting
Annie AndrewsSouth Carolina SenateAttacking$13M✗ No
Chris PappasNew Hampshire SenateAttacking$12M✗ No
Jon OssoffGeorgia SenateAttacking$12M✗ No
Dan OsbornNebraska SenateAttacking$8.6M✓ Yes
Jon HustedOhio Senate (special)Supporting$2.7M✗ No

Questions people ask

How much did Senate Leadership Fund spend in 2026, and did it win?
Senate Leadership Fund (Senate Republican leadership) spent $353M 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, 4% were on the winning side ($13M won, $320M lost, with $18M in races still being counted). $250K had no matched result and is excluded.
Who funds Senate Leadership Fund?
Its biggest reported donors in the 2026 cycle were Elon Musk ($168M), Miriam Adelson ($30M), Stephen Schwarzman ($20M), Paul Singer ($15M), Ken Griffin ($10M), out of $388M received from donors tracked here.
Which candidates did Senate Leadership Fund spend the most on in 2026?
against Sherrod Brown (Ohio Senate (special), $93M, lost); against Josh Turek (Iowa Senate, $49M, lost); against Abdul El-Sayed (Michigan Senate, $46M, lost).