William F. Duhamel

Individual

Also gave $472K 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

$829K

Contributions

109

Recipients

Active Period

1999–2026

Donor Profile

Party Lean

R $322KD $25K

Top States

DC$220K

VA$129K

IA$47K

OH$40K

AK$40K

Giving Trend

↓ 52%

2025–2026 vs 2023–2024

Employer

ROUTE ONE INVESTMENT LLP

Summary

DUHAMEL, WILLIAM F. is an individual political donor based in CA. They have contributed $829K across 109 contributions to 71 recipients. Their average contribution is $8K. Top recipients include SENATE LEADERSHIP FUND, NRSC, CONGRESSIONAL LEADERSHIP FUND. Their political giving spans from the 2000 to the 2026 election cycle, with peak giving of $230K in 2022.

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	SENATE LEADERSHIP FUND	—	DC	$85,000	2
2	NRSC	Republican	DC	$73,000	2
3	CONGRESSIONAL LEADERSHIP FUND	—	DC	$50,000	1
4	TRUST IN THE MISSION PAC	—	VA	$50,000	1
5	KAINE ACTION FUND	—	VA	$40,000	1
6	BUCKEYE VALUES PAC	—	OH	$40,000	1
7	MISSION IOWA	—	IA	$40,000	1
8	ALASKANS FOR L.I.S.A. (LEADERSHIP IN A STRONG ALASKA)	—	AK	$40,000	1
9	ARIZONA GRASSROOTS ACTION PAC	—	VA	$27,000	2
10	BATTLE BORN VALUES PAC	—	NV	$25,000	1
11	FRIENDS OF MIKE LEE INC	Republican	UT	$22,000	7
12	FRIENDS OF DAVE MCCORMICK	Republican	PA	$13,200	1
13	COLLINS FOR SENATOR	Republican	ME	$12,400	4
14	KAINE FOR COMMON GROUND PAC	—	VA	$11,600	1
15	NATIONAL ASSOCIATION OF BROADCASTERS POLITICAL ACTION COMMITTEE (NABPAC)	UNK	DC	$11,500	5
16	STEIL FOR WISCONSIN, INC.	Republican	WI	$10,800	4
17	BETTER FUTURE MI FUND	—	MA	$10,000	1
18	PENNSYLVANIA HONOR	—	PA	$10,000	1
19	SHARED PURPOSE PAC	—	CO	$10,000	1
20	CINDY HYDE-SMITH FOR US SENATE	Republican	MS	$8,900	2
21	BRITT FOR ALABAMA INC	Republican	AL	$8,700	3
22	BYRNE FOR SENATE, INC.	Republican	AL	$8,400	3
23	CORY GARDNER FOR SENATE	Republican	CO	$8,000	3
24	IOWANS FOR ZACH NUNN	Republican	IA	$7,000	1
25	PETE RICKETTS FOR SENATE	Republican	NE	$7,000	2

1–25 of 71

1 / 3

Source: FEC bulk data

William F. Duhamel — Individual Donor Profile | Poliscope