Senate Leadership Fund (Senate Republican leadership) spent $211M on independent expenditures in the 2024 federal elections, and 100% of it helped Republicans (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 71% ended up on the winning side ($150M won, $61M lost).
Outside spending
$211M
On the winning side
71%
$150M
On the losing side
$61M
Supporting vs attacking
5% / 95%
$11M for, $200M against
Google says Senate Leadership Fund also spent $23M on Google and YouTube ads this cycle (11% of its FEC-reported outside spending). All ad buyers →
Follow the money
Who filled the envelope
Senate Leadership Fund reported $264M in gifts from people, companies, nonprofits and other PACs. The biggest are below.
- One NationDark money$36M (13%)
- Ken GriffinIndividual$30M (11%)
- Paul SingerIndividual$27M (10%)
- Miriam AdelsonIndividual$15M (6%)
- Elon MuskIndividual$10M (4%)
- Stephen SchwarzmanIndividual$9.0M (3%)
- Warren StephensIndividual$5.5M (2%)
- Shirley RyanIndividual$5.0M (2%)
- Charles SchwabIndividual$5.0M (2%)
- Patrick RyanIndividual$5.0M (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 Result not matched
| Candidate | Race | Spending | Amount | Paid off? |
|---|---|---|---|---|
| Sherrod Brown | Ohio Senate | Attacking | $64M | ✓ Yes |
| Robert P. Casey Jr. | Pennsylvania Senate | Attacking | $53M | ✓ Yes |
| Elissa Slotkin | Michigan Senate | Attacking | $32M | ✗ No |
| Jon Tester | Montana Senate | Attacking | $23M | ✓ Yes |
| Tammy Baldwin | Wisconsin Senate | Attacking | $22M | ✗ No |
| Bernard F. Moreno | Ohio Senate | Supporting | $6.9M | ✓ Yes |
| Dan Osborn | Nebraska Senate | Attacking | $3.2M | ✓ Yes |
| Jacky S. Rosen | Nevada Senate | Attacking | $3.0M | ✗ No |
| Sam Brown | Nevada Senate | Supporting | $3.0M | ✗ No |
| Donald Trump | President | Supporting | $498K | ✓ Yes |
| Tim Sheehy | Montana Senate | Supporting | $230K | ✓ Yes |
Questions people ask
- How much did Senate Leadership Fund spend in 2024, and did it win?
- Senate Leadership Fund (Senate Republican leadership) spent $211M on independent expenditures in the 2024 federal elections, and 100% of it helped Republicans (FEC filings through Dec 31, 2024). Counting dollars, not candidates, and only races already called, 71% ended up on the winning side ($150M won, $61M lost).
- Who funds Senate Leadership Fund?
- Its biggest reported donors in the 2024 cycle were One Nation ($36M), Ken Griffin ($30M), Paul Singer ($27M), Miriam Adelson ($15M), Elon Musk ($10M), out of $264M received from donors tracked here.
- Which candidates did Senate Leadership Fund spend the most on in 2024?
- against Sherrod Brown (Ohio Senate, $64M, won); against Robert P. Casey Jr. (Pennsylvania Senate, $53M, won); against Elissa Slotkin (Michigan Senate, $32M, lost).