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).

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Outside spender

Senate Leadership Fund

Senate Republican leadership

FEC committee C00571703

Loser

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

$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 →

Elon MuskIndividual$168M (43%)
Miriam AdelsonIndividual$30M (8%)
Stephen SchwarzmanIndividual$20M (5%)
Paul SingerIndividual$15M (4%)
Ken GriffinIndividual$10M (3%)
Stephen WynnIndividual$8.0M (2%)
Altria Client Services LLCCompany / nonprofit$6.8M (2%)
J Joe RickettsIndividual$5.3M (1%)
RAI Services (Reynolds American tobacco)Company$5.0M (1%)
Chevron CorporationCompany$4.7M (1%)

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

Candidate	Race	Spending	Amount	Paid off?
Sherrod Brown	Ohio Senate (special)	Attacking	$93M	✗ No
Josh Turek	Iowa Senate	Attacking	$49M	✗ No
Abdul El-Sayed	Michigan Senate	Attacking	$46M	✗ No
Troy Jackson	Maine Senate	Attacking	$38M	✗ No
Roy Cooper	North Carolina Senate	Attacking	$30M	✗ No
Adam Hamilton	Kansas Senate	Attacking	$16M	✗ No
Mary Peltola	Alaska Senate	Attacking	$16M	Counting
Annie Andrews	South Carolina Senate	Attacking	$13M	✗ No
Chris Pappas	New Hampshire Senate	Attacking	$12M	✗ No
Jon Ossoff	Georgia Senate	Attacking	$12M	✗ No
Dan Osborn	Nebraska Senate	Attacking	$8.6M	✓ Yes
Jon Husted	Ohio 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).