Mike Thompson

Democrat U.S. House · CA-4 · cycle 2024 · data as of 2026-11-02 · 2026 races in CA

98.1%

Direct-contributionshare

Aggregate-only · no individual donor names on the card

What the money says

Plain language · cited

Raised $2,434,299 in the 2024 cycle. FEC ↗ Placed at approximately the 58th percentile among other U.S. House members this cycle.

11.3% of individual money came from small-dollar donors under $200. PACs supplied 62.5% of contributions. FEC ↗

Direct contributions — individuals, PACs, and party — make up 98.1% of receipts (excluding self-funding and loans); the rest is transfers from other committees and other receipts, also disclosed. FEC ↗

Auto-generated from the data above

PACs supplied 62.5% of contributions here — among the more PAC-funded campaigns in the U.S. House.

Funding profile

Unweighted · never a blended score

Small-donor (grassroots) share11.3%

From the unitemized (sub-$200) total, which reconciles exactly against FEC's individual-contribution figure. Small gifts that ActBlue/WinRed itemize aren't counted here — see the size-based measure below.

Small-dollar by transaction size16.7%

Share of itemized + unitemized contributions received in individual transactions under $200 (FEC schedule_a/by_size), counting each gift by its own amount — so it captures small repeat donors the unitemized field hides. Its denominator is raw itemized receipts, so it reads conservatively.

PAC share of contributions62.5%

Committee & JFC transfer share0%

Share of receipts (excluding self-funding and loans) that arrived as transfers from joint-fundraising and other authorized committees rather than direct contributions — reported in the sending committees’ filings, never undisclosed “dark” money. This bar is the transfer component only, not the whole non-direct remainder — a determined 0% means no transfer receipts (other complement receipts such as offsets may still exist); “—” means no external receipts to decompose.

In-state contributor share80.8%

Share of itemized individual dollars from in-state donors — unitemized (<$200) contributions have no state breakdown.

Top-20 donor concentration16.1%

Share from the 20 largest individual donors this 2-year period, by exact name — a neutral concentration measure, approximate (recurring small-dollar donors may be undercounted), not a score.

How the money splits

Exact, from FEC aggregates

Individual contributions

Small-dollar (<$200) vs. larger itemized giving

11.3%

88.7%

Small-dollar under $200Itemized $200+

All contributions

Individuals vs. political action committees

37.5%

62.5%

IndividualsPACs

Funding mix & position over time

Across every election cycle on record

Small-dollar share up from 0% (1998) to 8.7% (2026) A cycle with too little reported money to trust any ratio is left out entirely; a cycle where one specific figure can't be computed (e.g. an all-itemizing committee has no small-dollar figure to read) is left out of just that line.

Small-dollar share

1998 0%2000 0%2002 26.1%2004 24.2%2006 18.3%2008 18.1%2010 17.2%2012 19%2014 16.8%2016 14%2018 21.4%2020 19.9%2022 9.9%2024 11.3%2026 8.7%

Direct-contribution share

1998 31.1%2000 38.9%2002 97.7%2004 98%2006 97.7%2008 96.1%2010 97.4%2012 98.6%2014 98.4%2016 98.9%2018 99%2020 98.9%2022 99.5%2024 98.1%2026 98.3%

PAC share of contributions

1998 32.5%2000 40.3%2002 38.2%2004 36.5%2006 40.8%2008 46.3%2010 50.1%2012 59.8%2014 63.9%2016 62.5%2018 61%2020 66.5%2022 56.3%2024 62.5%2026 44.7%

Cash on hand

1998 $228K2000 $309K2002 $237K2004 $221K2006 $587K2008 $1.1M2010 $1.1M2012 $1.3M2014 $1.5M2016 $1.5M2018 $1.6M2020 $1.7M2022 $1.6M2024 $1.2M2026 $1.1M

Committee assignments

congress-legislators (CC0)

Current committee and subcommittee seats, from the public congressional record. Listed independently of the funding figures on this page — a committee seat is not evidence of why any contribution was made.

House Committee on Ways and Means

Minority

House Committee on Ways and Means — Tax

Ranking Member

House Committee on Ways and Means — Health

Minority

Outside spending

Separate FEC filings · not counted above

Outside groups reported $25K in independent expenditures naming this candidate this cycle: $25K supporting, $0 opposing (FEC Schedule E). These are filed by the groups themselves, not this candidate's committee, and are not part of the receipts above. FEC ↗

WITH HONOR FUND II, INC. FEC ↗

$15K supporting

COOPERATIVE OF AMERICAN PHYSICIANS INDEPENDENT EXPENDITURE COMMITTEE FEC ↗

$10K supporting

COURAGE CALIFORNIA SUPER PAC FEC ↗

$167 supporting

SIERRA CLUB INDEPENDENT ACTION FEC ↗

$10 supporting

Individual-donor detail

Held for the deep-table phase. v1 shows aggregate figures only — by design, not by omission.

NameCity / StateEmployerOccupationAmountDateStreet addressPhone

Statutory notice. When individual detail ships, street address and phone are never shown, and the data may not be used to solicit contributions or for any commercial purpose (52 U.S.C. §30111(a)(4)). Named individuals appear only here in the deep table — never on a shareable card — each with a match-confidence indicator.