Home›Politicians›Katie Porter
🏛️

Katie Porter

Democrat House ⬤ Active Filer
House · CA-47 · Since 2019
$500K–$2M
Est. Portfolio
10+
Trades Filed
Since 2019
In Congress
Consumer/Finance
Portfolio Focus
Recent Trades
BRK.B
Berkshire
Berkshire Hathaway B
Filed Apr 5, 2026 · Traded Apr 1, 2026
Purchase
$1K – $15K
V
Visa
Visa Inc.
Filed Mar 1, 2026 · Traded Feb 24, 2026
Purchase
$1K – $15K
MA
Mastercard
Mastercard Inc.
Filed Jan 5, 2026 · Traded Dec 30, 2025
Sale
$1K – $15K
Notable Facts & Analysis
📋
Whiteboard Queen: Porter became a social media phenomenon for her incisive whiteboard-based questioning of corporate CEOs and banking executives during congressional hearings.
🎓
Elizabeth Warren Protégé: Porter was a student of Elizabeth Warren at Harvard Law School and has carried on Warren's consumer protection legacy in the House.
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Housing Advocate: Porter has been a vocal advocate for housing affordability and tenant protections — her Orange County district is one of America's most expensive housing markets.
Background

Katie Porter (born January 3, 1974) has represented California's 47th Congressional District since 2019. A Harvard-educated law professor and Elizabeth Warren protégé, she became famous for her whiteboard questioning of corporate executives.

Known Holdings
#1
BRK.B
Berkshire Hathaway
#2
V
Visa
#3
MA
Mastercard

Holdings disclosed under STOCK Act. Amounts represent ranges as required by law.

Disclaimer: All trade information sourced from official STOCK Act disclosures. Not financial advice.