
Senator Cornyn's fundraising profile is dominated by individual donors, who account for 74% of his $7.1 million in direct contributions, with PACs and committees comprising the remaining 26%. Among industry-tied donations, his largest donor concentrations come from Securities & Investment (17%), Lawyers & Lobbyists (12%), and Real Estate (9%), with these same sectors also prominent among his individual donors' employment backgrounds. He received $510,000 in party and leadership-aligned contributions and has 4 stock trades on file under STOCK Act disclosures.
FOLLOW THE MONEY
Left: who funds Cornyn (ribbon width = dollars) · right: their votes on bills classified as favoring vs limiting those sectors
“Favors / limits” is an AI classification of each bill's likely effect on the sector — a factual reading of the bill, not a claim about motive. Correlation, not causation. The named bills are in DOES THE MONEY MATCH THE VOTES? below.
DOES THE MONEY MATCH THE VOTES?
How Cornyn voted on bills touching their biggest donor sectors · 6 of 19 shown, ranked by sector money
Each dollar figure is Cornyn's total from that donor sector — shown on each related vote, not a per-vote amount. Correlation between funding and votes, not causation; many factors shape any single vote.
TOP SOURCES
UBS FINANCIAL SERVICES INC.
corporation
HOLD THE SENATE
PAC
SECURE THE US SENATE 2026
PAC
LONESTAR VICTORY FUND
PAC
ONE TEAM SENATE MAJORITY
PAC
ALIGNMENT SIGNALS
John Cornyn (R) voted YEA s1582-119; Securities & Investment is their largest tracked donor sector (15%) with 17753 active lobbying filings
The GENIUS Act (s1582-119) establishes a regulatory framework allowing approved issuers to offer payment stablecoins, affecting the Securities & Investment industry. Senator John Cornyn (R-TX) voted YEA on s1582-119. Securities & Investment firms comprised 15.1% of Cornyn's identifiable donor base ($1.08M), and companies in this industry filed 17,753 lobbying reports on related issues since 2022.
John Cornyn (R) voted YEA hjres25-119; Securities & Investment is their largest tracked donor sector (15%) with 8194 active lobbying filings
This joint resolution would nullify an IRS rule requiring brokers to report digital asset sales information to tax authorities, affecting the Securities & Investment industry. Senator John Cornyn (R-TX) voted YEA on hjres25-119. Securities & Investment donors comprise 15.4% of Cornyn's identifiable donor base ($1.29M), and companies in this industry filed 8,194 lobbying reports since 2022 related to this legislation.
John Cornyn (R) is primary sponsor of Real Estate bill s1608-118; Real Estate is a top donor industry (8%)
The Starr–Camargo Bridge Expansion Act (s1608-118) would authorize expansion of an international toll bridge near Rio Grande City, Texas, affecting the Real Estate industry. Senator John Cornyn (R-TX) introduced this bill. Real Estate comprises 8.3% of Cornyn's identifiable donor base ($0.59M), ranking #41 among donor industries within his party.
LEGISLATION
25 sponsored
COMMITTEES
SIMILAR DONOR NETWORKS
Members funded by the same industries — overlapping donor networks may reflect shared policy interests.

Charles E. Schumer
D-NY · Senate

Michael T. McCaul
R-TX · House

Nancy Pelosi
D-CA · House

Kirsten E. Gillibrand
D-NY · Senate

Tim Kaine
D-VA · Senate

Keith Self
R-TX · House