Irving Weissman

Individual

Also gave $276K 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

$317K

Contributions

Recipients

Active Period

1999–2026

Donor Profile

Party Lean

D $110KR $250

Top States

DC$142K

OR$76K

MT$49K

MA$12K

CA$6K

Giving Trend

↑ 69%

2025–2026 vs 2023–2024

Employer

STANFORD MEDICAL SCHOOL

Summary

WEISSMAN, IRVING is an individual political donor based in CA. They have contributed $317K across 94 contributions to 45 recipients. Their average contribution is $3K. Top recipients include UNITE THE COUNTRY, VOTEVETS, DSCC. Their political giving spans from the 2000 to the 2026 election cycle, with peak giving of $125K in 2026.

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	UNITE THE COUNTRY	—	DC	$100,000	1
2	VOTEVETS	—	OR	$70,000	2
3	DSCC	Democratic	DC	$25,000	1
4	MONTANA DEMOCRATIC PARTY	Democratic	MT	$16,000	4
5	MONTANANS FOR TESTER	Democratic	MT	$10,250	12
6	NEVADA OREGON VICTORY 2022	—	DC	$10,000	1
7	TESTER VICTORY FUND	—	MT	$7,950	2
8	THE MARKEY COMMITTEE	Democratic	MA	$6,600	2
9	MAX'S PAC	Democratic	MT	$6,600	4
10	WYDEN FOR SENATE	Democratic	OR	$6,300	3
11	FRIENDS OF SCHUMER	Democratic	NY	$5,800	2
12	HONOR BOUND PAC	Democratic	KY	$5,650	3
13	ONE VIRGINIA FUND	—	DC	$5,500	1
14	ACTBLUE	—	MA	$5,000	1
15	KATHLEEN WILLIAMS FOR MONTANA	Democratic	MT	$3,300	2
16	ADAM GRAY FOR CONGRESS	Democratic	CA	$3,300	1
17	MONICA TRANEL FOR MONTANA	Democratic	MT	$2,900	1
18	JON OSSOFF FOR SENATE	Democratic	GA	$2,800	1
19	KATIE PORTER FOR CONGRESS	Democratic	CA	$2,800	1
20	JUST THE TRUTH POLITICAL ACTION COMMITTEE	—	MD	$2,500	1
21	OBAMA FOR AMERICA	Democratic	IL	$2,300	1
22	SCHWEITZER FOR US SENATE	Democratic	MT	$2,000	2
23	NANCY KEENAN FOR MONTANA	Democratic	VA	$2,000	2
24	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEE	Democratic	DC	$1,000	1
25	WARNOCK FOR GEORGIA	Democratic	GA	$1,000	1

1–25 of 45

1 / 2

Source: FEC bulk data

Irving Weissman — Individual Donor Profile | Poliscope