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Senate Leadership Fund (Senate Republican leadership) spent $20M on independent expenditures in the 2026 federal elections, and 100% of it helped Republicans (FEC filings through Oct 14, 2026). 0% of the money with a result ended up on the winning side ($8K won, $18M lost, with $2.4M in races still being counted).
Outside spending
$20M
On the winning side
0%
$8K
On the losing side
$18M
$2.4M still being counted
Supporting vs attacking
6% / 94%
$1.3M for, $19M against
Google says Senate Leadership Fund also spent $36M on Google and YouTube ads this cycle (180% of its FEC-reported outside spending). All ad buyers →
Follow the money
Who filled the envelope
Senate Leadership Fund reported $249M in gifts from people, companies, nonprofits and other PACs. The biggest are below.
- One NationDark money$71M (28%)
- Miriam AdelsonIndividual$30M (12%)
- Stephen SchwarzmanIndividual$17M (7%)
- Paul SingerIndividual$15M (6%)
- Ken GriffinIndividual$10M (4%)
- Elon MuskIndividual$10M (4%)
- Stephen WynnIndividual$5.0M (2%)
- M Jude ReyesIndividual$4.5M (2%)
- J Christopher ReyesIndividual$4.5M (2%)
- Chevron CorporationCompany$3.9M (2%)
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 | $12M | ✗ No |
| Annie Andrews | South Carolina Senate | Attacking | $3.9M | ✗ No |
| Dan Osborn | Nebraska Senate | Attacking | $2.1M | Counting |
| Jon Husted | Ohio Senate (special) | Supporting | $750K | ✗ No |
| Troy Jackson | Maine Senate | Attacking | $484K | ✗ No |
| Pete Ricketts | Nebraska Senate | Supporting | $218K | Counting |
| Darline Graham | South Carolina Senate | Supporting | $175K | ✗ No |
| Mike Rogers | Michigan Senate | Supporting | $62K | Counting |
| Susan Collins | Maine Senate | Supporting | $32K | ✗ No |
| Roger Marshall | Kansas Senate | Supporting | $27K | ✗ No |
| Dan J. Sullivan | Alaska Senate | Supporting | $22K | Counting |
| John E. Sununu | New Hampshire Senate | Supporting | $12K | ✗ No |
Questions people ask
- How much did Senate Leadership Fund spend in 2026, and did it win?
- Senate Leadership Fund (Senate Republican leadership) spent $20M on independent expenditures in the 2026 federal elections, and 100% of it helped Republicans (FEC filings through Oct 14, 2026). 0% of the money with a result ended up on the winning side ($8K won, $18M lost, with $2.4M in races still being counted).
- Who funds Senate Leadership Fund?
- Its biggest reported donors in the 2026 cycle were One Nation ($71M), Miriam Adelson ($30M), Stephen Schwarzman ($17M), Paul Singer ($15M), Ken Griffin ($10M), out of $249M received from donors tracked here.
- Which candidates did Senate Leadership Fund spend the most on in 2026?
- against Sherrod Brown (Ohio Senate (special), $12M, lost); against Annie Andrews (South Carolina Senate, $3.9M, lost); against Dan Osborn (Nebraska Senate, $2.1M, pending).