Democrat · MA · District 05 · House
Katherine Clark
Raised $2.3M in PAC and organizational contributions from 452 committees during the 2024 federal election cycle, led by American Israel Public Affairs Committee ($13K), from Federal Election Commission filings through August 2026.
- $2.3M
- Total received
- House
- Incumbent
- 452
- Contributing PACs
The verdict
Katherine Clark ranks in the top 1% of 1,269 federal candidates by PAC and organizational money raised, with $2.3M from 452 committees in the 2024 cycle.
- Top 1%
- of 1,269 funded candidates
- $2.3M
- total PAC & org receipts
- 452
- contributing committees
- $13K
- from American Israel Publ…
Who funds Katherine Clark
Top organizational PAC contributors during the 2024 cycle, from FEC filings.
Outside spending on Katherine Clark
Independent expenditures are money outside committees (super PACs and others) spend for or against a candidate, reported to the FEC but, by law, not contributions to the campaign and not coordinated with it. Shown separately from the contributions above.
- $10
- Total outside spending
- $10
- Spent supporting
- $0
- Spent opposing
Top spenders supporting
Campaign Finance Summary
Katherine Clark (D-MA) has received $2.3M in PAC and organizational contributions during the 2024 federal election cycle. The largest single contribution came from American Israel Public Affairs Committee, totaling $13K. The top 10 contributing organizations account for a significant portion of total receipts, reflecting concentrated donor support from key interest groups. As an incumbent, established donor networks and name recognition typically provide a fundraising advantage.
These contributions come from PACs and organizational committees registered with the Federal Election Commission. Individual contributions are reported separately and are not included in these totals. Understanding who funds a candidate provides transparency into the interests that may influence policy priorities.
What Katherine Clark's FEC Filings Reveal
Katherine Clark is a Democrat incumbent for House representing MA, District 05, tracked in Federal Election Commission filings under committee ID H4MA05084. During the 2024 federal election cycle, 452 PACs and organizational committees contributed a combined $2.3M to Katherine Clark's campaign, a figure that reflects only organizational PAC receipts, individual donor contributions are reported separately and are not included in this total.
The single largest organizational contribution came from American Israel Public Affairs Committee at $13K, and the top 10 contributing PACs collectively represent the core institutional support base for this house campaign. Because federal candidates must identify every PAC donor above minimum thresholds in quarterly or semi-annual reports, the donor composition shown here gives a reliable map of which industries, trade groups, and ideological committees have aligned with Katherine Clark's candidacy.
As an incumbent, Katherine Clark's established donor relationships typically carry over between cycles, PAC receipt patterns often mirror committee assignments, voting records, and constituent priorities on federal legislation. Reading these contributions alongside lobbying disclosures and committee assignments provides the clearest picture of the interests that may shape this candidate's policy priorities through the 2024 cycle and beyond.
Top Donors
Where Katherine Clark's donor orgs also show up
293 of 452 contributing organizations (69% of PAC dollars, $1.6M) also disclose federal lobbying, and 44 (12%, $275K) also hold USAspending contract awards; the largest donor HQ concentration is DC ($1.2M across 203 committees).
Donor headquarters mix
| HQ state | Committees | PAC dollars |
|---|---|---|
| DC | 203 | $1.2M |
| VA | 40 | $215K |
| MA | 24 | $129K |
| CA | 28 | $107K |
| IL | 21 | $92K |
| TX | 21 | $91K |
Largest lobbyist-donors
Frequently Asked Questions
Who funds Katherine Clark's campaign?
Katherine Clark receives campaign contributions from PACs and organizational committees. The top contributing organization is American Israel Public Affairs Committee, which contributed $13K. In total, Katherine Clark received $2.3M during the 2024 election cycle from 452 contributing organizations tracked in FEC filings.
How much has Katherine Clark received in total contributions?
Katherine Clark (Democrat, MA) received $2.3M in PAC and organizational contributions during the 2024 federal election cycle. As an incumbent, Katherine Clark may benefit from established donor relationships. All data comes from Federal Election Commission filings.
What office is Katherine Clark running for?
Katherine Clark is a Democrat candidate for House in MA, District 05. Katherine Clark is the incumbent.
Do Katherine Clark's donors also lobby or hold federal contracts?
293 of 452 contributing organizations (69% of PAC dollars, $1.6M) also disclose federal lobbying, and 44 (12%, $275K) also hold USAspending contract awards; the largest donor HQ concentration is DC ($1.2M across 203 committees). PlainInfluence joins FEC contribution filings to Senate LDA lobbying totals and USAspending contract awards for the same organizations, the join is descriptive, not causal.
Where does FEC campaign finance data come from?
All campaign finance data shown here is sourced from the Federal Election Commission (FEC), which requires candidates, PACs, and party committees to file periodic reports disclosing receipts and disbursements. FEC data is public record and covers the 2024 federal election cycle. PlainInfluence aggregates and presents this data for transparency.
How does Katherine Clark's fundraising compare to others?
Katherine Clark received $2.3M in PAC contributions during the 2024 cycle. To see how this compares to other House candidates in MA, visit the Rankings page for side-by-side comparisons of all tracked politicians by total contributions received.
Related guides
Nationwide peers with similar campaign finance scale
Cross-state nearest neighbors on PAC receipts and, when material, independent outside spending, not same-state filing peers.
Similar PAC receipts
Other house candidates with nearest organizational PAC totals ($2.3M here), outside MA peers.
Explore more
Campaign Finance Context
Katherine Clark's $2.3M in PAC contributions from 452 committees is a house incumbent money set for the 2024 cycle. 293 of 452 contributing organizations (69% of PAC dollars, $1.6M) also disclose federal lobbying, and 44 (12%, $275K) also hold USAspending contract awards; the largest donor HQ concentration is DC ($1.2M across 203 committees). Organizational PAC dollars are distinct from individual donations and from the $10 in independent expenditures tracked for or against this candidate.
Data: Federal Election Commission, 2024 cycle. Contributions shown are from PACs and organizational committees. Verify filings at fec.gov/data.
According to FEC Form 3 / 3X filings through August 2026, Katherine Clark took in $2.3M from 452 organizational committees, with lobbyist and contractor overlap in the donor set. Methodology and vintage notes are on our methodology page.
Every figure on PlainInfluence is rendered directly from official FEC, Senate LDA and USAspending records, no number is typed in by an editor. Receipt, disbursement, and outside-spending totals are aggregated directly from FEC bulk data, no figure is hand-entered. Disclosed contributions, lobbying, and contracts are lawful, regulated activities, appearing on this page is not an allegation of wrongdoing. See our editorial standards & corrections policy, the methodology behind these numbers, our disclaimer, or report a data error. Data current as of 2023-2024.