William Byrn Alsup III

Individual

Also gave $61K to joint fundraising committees. That isn't in the totals here, because those committees pass the money on to others.

Grouped by the exact name reported to the FEC, which has no ID for individual donors. Other people with this name may be included.

Total Contributed

$302K

Contributions

Recipients

Active Period

2007–2026

Donor Profile

Party Lean

D $290K

Top States

DC$272K

MI$8K

MT$4K

SC$4K

CO$4K

Giving Trend

↓ 42%

2025–2026 vs 2023–2024

Employer

HINES INTERESTS LIMITED

Summary

ALSUP, WILLIAM BYRN III is an individual political donor based in DC. They have contributed $302K across 39 contributions to 12 recipients. Their average contribution is $8K. Top recipients include DSCC, DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEE, PETERS FOR MICHIGAN. Their political giving spans from the 2008 to the 2026 election cycle, with peak giving of $88K in 2024.

Giving Pattern by Cycle

Contribution amounts per election cycle, colored by recipient party

All Recipients

Committees and candidates receiving contributions, all cycles

#	Name	Party	State	Total	Contributions
1	DSCC	Democratic	DC	$259,150	15
2	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEE	Democratic	DC	$11,000	9
3	PETERS FOR MICHIGAN	Democratic	MI	$8,100	3
4	COOPER VICTORY FUND	—	—	$7,000	1
5	JAIME HARRISON FOR US SENATE	Democratic	SC	$4,200	2
6	TESTER VICTORY FUND	—	MT	$3,300	1
7	BENNET FOR COLORADO	Democratic	CO	$2,900	1
8	OBAMA FOR AMERICA	Democratic	IL	$2,000	2
9	PEM PAC	Democratic	DC	$1,000	2
10	HALTER FOR CONGRESS	Democratic	CO	$1,000	1
11	MONTANANS FOR TESTER	Democratic	MT	$1,000	1
12	MOTOR CITY PAC	—	DC	$1,000	1

Source: FEC bulk data

William Byrn Alsup III — Individual Donor Profile | Poliscope