Bill Foster

Democratic / House / Illinois

- Net Worth Est.

- Trade Volume

- Total Trades

- Last Traded

Current Member Yes
Years Active 2008 - Present
Age 70
Foster graduated from the University of Wisconsin and received a doctorate in physics from Harvard University. His career experience includes working as a physicist and business owner. Below is an abbreviated outline of Foster's academic, professional, and political career: *2013-Present: U.S Representative from Illinois' 11th Congressional District * 2008-2010: Representative U.S. House, Illinois, District 14 * 1990-2006: Fermi National Accelerator Laboratory (Fermilab), High-energy physicist and particle accelerator designer * 1975-2007: Co-founded Electronic Theatre Controls, Inc

* Biography data provided through our partnership with Ballotpedia.

Supporters
Opponents
Corporate Donors
Proposed Legislation
Trades
Live Stock Portfolio
Net Worth
Revolving Door

Trade Volume by Year

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Top Traded Sectors

Trades

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Estimated excess return of the underlying stock since the transaction

Stock	Transaction	Filed	Traded	Description	Excess Return

Estimated Live Stock Portfolio

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Net Worth

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Top Holdings

Disclosed Holdings

Ticker	Asset Type	Asset Name	Amount	Owner	Report Year	Filed

*These holdings are collected from annual financial disclosure statements. There are occasionally parsing errors, and it does not include recent transactions.

Revolving Door

Former staff of Bill Foster who went on to register as lobbyists, and the clients they were disclosed as representing at the time of filing. Parsed from the covered-position disclosures on Lobbying Disclosure Act filings — see the full Revolving Door dashboard.

5 Former staff who have lobbied

25 Public companies represented

81 Clients in total

Jul 31, 2026 Most recent filing

Lobbyist	Role in this office	Disclosed clients	Lobbying firm	Latest filing
Scott Shewcraft New	Chief of Staff, Rep. Bill Foster	ACGL AFL ALL AMP +51 more	MINDSET ADVOCACY, LLC	Jul 31, 2026
Timothy Weiler New	Rep. Bill Foster - Counsel	ALLY C CHYM HOOD +4 more	STERNHELL GROUP	Jul 20, 2026
Alexis Bass New	Intern, Rep. Bill Foster (2021)	CALIFORNIA DATE COMMISSION JPH LAW FIRM LLP ON BEHALF OF B…	INVARIANT LLC	Apr 20, 2026
Vivian Bridges New	Intern, Congressman Bill Foster; Intern, Senator Jon Osoff	ACMR AMSC FHI AMERICAN BEARING MANUFACTURERS … +5 more	K&L GATES, LLP	Jan 19, 2026
Susannah Howieson New	Nuclear Security Fellow in Office of Congressman Bill Foster - 1 year - 2019 (paid by GWU)	BOSTON UNIVERSITY FERMIFORWARD DISCOVERY GROUP, L… SOCIETY FOR INDUSTRIAL AND APPL… UL RESEARCH INSTITUTES +3 more	LEWIS-BURKE ASSOCIATES, LLC	Jan 16, 2026

Spending in Support of Bill Foster

Total Receipts

Outside Spending

Contributor	Support/Oppose	Amount	Date	Filed	Amendment	Details

Top Receipts

Name	Amount	Date	Loaded	Memo Text

* Note: This data may contain refunds given to the committee. Names are hidden for individual donations below $250,000.

Outside Spending

Contributor	Support/Oppose	Amount	Date	Filed	Amendment	Memo Text

Other Candidates in District

Candidate	Party	Fundraising over Last Year	Track

Corporate PAC Donors

Ticker	Company Committee	Recipient Committee	Amount	Date	Party	Cycle

Proposed Legislation

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Title	Introduced	Latest Action Date