Races.

In the 2026 Texas Senate general election, 51 outside groups spent $221.3M: 40.2% supporting candidates and 59.8% opposing candidates, all candidates combined.

$221.3M

outside money

In the 2026 Ohio Senate special general election, 45 outside groups spent $175.0M: 23.7% supporting candidates and 76.3% opposing candidates, all candidates combined.

$175.0M

outside money

In the 2026 Michigan Senate general election, 51 outside groups spent $103.6M: 21.7% supporting candidates and 78.3% opposing candidates, all candidates combined.

$103.6M

outside money

In the 2026 Iowa Senate general election, 33 outside groups spent $76.1M: 18.0% supporting candidates and 82.0% opposing candidates, all candidates combined.

$76.1M

outside money

In the 2026 Michigan Senate primary, 44 outside groups spent $74.7M: 69.4% supporting candidates and 30.6% opposing candidates, all candidates combined.

$74.7M

outside money

In the 2026 North Carolina Senate general election, 30 outside groups spent $70.1M: 9.0% supporting candidates and 91.0% opposing candidates, all candidates combined.

$70.1M

outside money

In the 2026 Maine Senate general election, 40 outside groups spent $68.8M: 17.4% supporting candidates and 82.6% opposing candidates, all candidates combined.

$68.8M

outside money

In the 2026 Kentucky Senate primary, 20 outside groups spent $46.1M: 57.3% supporting candidates and 42.7% opposing candidates, all candidates combined.

$46.1M

outside money

In the 2026 Texas Senate primary, 22 outside groups spent $44.3M: 26.7% supporting candidates and 73.3% opposing candidates, all candidates combined.

$44.3M

outside money

In the 2026 Alaska Senate general election, 25 outside groups spent $40.3M: 23.2% supporting candidates and 76.8% opposing candidates, all candidates combined.

$40.3M

outside money

In the 2026 New Hampshire Senate general election, 12 outside groups spent $29.2M: 17.6% supporting candidates and 82.4% opposing candidates, all candidates combined.

$29.2M

outside money

In the 2026 Illinois Senate primary, 8 outside groups spent $24.6M: 43.9% supporting candidates and 56.1% opposing candidates, all candidates combined.

$24.6M

outside money

In the 2026 Georgia Senate general election, 26 outside groups spent $24.4M: 7.2% supporting candidates and 92.8% opposing candidates, all candidates combined.

$24.4M

outside money

In the 2026 Minnesota Senate primary, 26 outside groups spent $20.2M: 53.6% supporting candidates and 46.4% opposing candidates, all candidates combined.

$20.2M

outside money

In the 2026 Texas Senate runoff, 12 outside groups spent $18.9M: 11.8% supporting candidates and 88.2% opposing candidates, all candidates combined.

$18.9M

outside money

In the 2026 Louisiana Senate primary, 10 outside groups spent $17.8M: 36.3% supporting candidates and 63.7% opposing candidates, all candidates combined.

$17.8M

outside money

In the 2026 Nebraska Senate general election, 13 outside groups spent $14.5M: 18.3% supporting candidates and 81.7% opposing candidates, all candidates combined.

$14.5M

outside money

In the 2026 Alabama Senate primary, 11 outside groups spent $13.6M: 95.1% supporting candidates and 4.9% opposing candidates, all candidates combined.

$13.6M

outside money

In the 2026 Montana Senate general election, 8 outside groups spent $13.2M: 77.1% supporting candidates and 22.9% opposing candidates, all candidates combined.

$13.2M

outside money

In the 2026 Alaska Senate primary, 21 outside groups spent $12.2M: 28.8% supporting candidates and 71.2% opposing candidates, all candidates combined.

$12.2M

outside money

In the 2026 South Carolina Senate primary, 9 outside groups spent $11.4M: 42.7% supporting candidates and 57.3% opposing candidates, all candidates combined.

$11.4M

outside money

In the 2026 Iowa Senate primary, 14 outside groups spent $10.9M: 99.2% supporting candidates and 0.8% opposing candidates, all candidates combined.

$10.9M

outside money

In the 2026 South Carolina Senate special runoff, 11 outside groups spent $9.7M: 35.6% supporting candidates and 64.4% opposing candidates, all candidates combined.

$9.7M

outside money

In the 2026 Alabama Senate runoff, 5 outside groups spent $9.0M: 73.6% supporting candidates and 26.4% opposing candidates, all candidates combined.

$9.0M

outside money

In the 2026 Kansas Senate general election, 9 outside groups spent $7.9M: 7.0% supporting candidates and 93.0% opposing candidates, all candidates combined.

$7.9M

outside money

In the 2026 Massachusetts Senate primary, 6 outside groups spent $7.9M: 29.4% supporting candidates and 70.6% opposing candidates, all candidates combined.

$7.9M

outside money

In the 2026 Florida Senate special general election, 6 outside groups spent $7.5M: 15.1% supporting candidates and 84.9% opposing candidates, all candidates combined.

$7.5M

outside money

In the 2026 Maine Senate primary, 18 outside groups spent $6.2M: 30.6% supporting candidates and 69.4% opposing candidates, all candidates combined.

$6.2M

outside money

In the 2026 Louisiana Senate runoff, 6 outside groups spent $6.2M: 87.9% supporting candidates and 12.1% opposing candidates, all candidates combined.

$6.2M

outside money

In the 2026 Montana Senate primary, 7 outside groups spent $5.5M: 72.1% supporting candidates and 27.9% opposing candidates, all candidates combined.

$5.5M

outside money

In the 2026 Georgia Senate primary, 9 outside groups spent $5.3M: 82.1% supporting candidates and 17.9% opposing candidates, all candidates combined.

$5.3M

outside money

In the 2026 New Hampshire Senate primary, 12 outside groups spent $4.9M: 70.6% supporting candidates and 29.4% opposing candidates, all candidates combined.

$4.9M

outside money

In the 2026 Mississippi Senate general election, 10 outside groups spent $3.9M: 45.1% supporting candidates and 54.9% opposing candidates, all candidates combined.

$3.9M

outside money

In the 2026 Arkansas Senate general election, 2 outside groups spent $3.3M, all of it opposing candidates.

$3.3M

outside money

In the 2026 South Carolina Senate special primary, 6 outside groups spent $3.0M: 95.8% supporting candidates and 4.2% opposing candidates, all candidates combined.

$3.0M

outside money

In the 2026 Kansas Senate primary, 4 outside groups spent $2.9M, all of it supporting candidates.

$2.9M

outside money

In the 2026 Ohio Senate special primary, 8 outside groups spent $2.8M: 49.7% supporting candidates and 50.3% opposing candidates, all candidates combined.

$2.8M

outside money

In the 2026 North Carolina Senate primary, 8 outside groups spent $2.4M: 89.2% supporting candidates and 10.8% opposing candidates, all candidates combined.

$2.4M

outside money

In the 2026 Oklahoma Senate primary, 5 outside groups spent $2.1M, all of it supporting candidates.

$2.1M

outside money

In the 2026 Nebraska Senate primary, 8 outside groups spent $1.3M: 95.3% supporting candidates and 4.7% opposing candidates, all candidates combined.

$1.3M

outside money