U.S. House · Republican · in Congress since 2017

Brian J. Mast

Florida District 21

Rank 174 of 537 in Congress and 84 of 272 Republicans. All three measures are on file.

What goes into the score

each part 0 to 100, higher is more independent

Pro-Israel lobby money

35% of the index

$901K

$901K in direct and earmarked gifts from pro-Israel PACs

Part score26.1

Source: TrackAIPAC, career total

PAC money share

35% of the index

$456K from PACs and other committees of $4.94M raised
$3.68M from individual donors
2025 to 2026 two year period, filings through Sep 30, 2026

Part score86.8

Source: FEC candidate page

Stock trading

30% of the index

None

No trades are listed for this member in Quiver Quantitative's table for the last year. That table can miss members, so a missing entry is not proof of no trades.

Part score100.0

Source: Quiver Quantitative, last year

Votes that helped donors

not scored yet

This part will compare the member's votes with the industries that fund their campaigns. It needs donor industry data we cannot yet read reliably, so it is not part of any score today.

Scorecards beside the index

shown for context, never blended in

America First FoundationF143 of 235 actions aligned with its positions on immigration, trade and foreign policyRead the scorecard

League of Conservation Voters0%2025 environmental score, lifetime 16%Read the scorecard

Heritage Action85%119th Congress score, lifetime 77%Read the scorecard

The rest of the Florida delegation

28 members

Scores are built from public records and the sources linked above. See something wrong? Tell us and we will correct it with a note. How the index works.