Doris O. Matsui
- House Committee on Energy and Commerce
- House Committee on Energy and Commerce: Communications and TechnologyRanking Member
- House Committee on Energy and Commerce: Energy
Current-Congress assignments from the official roster; leadership seats are outlined.
Filing statistics
Whale profile Estimated
Percentile blend among members with a trade in the last 12 months: 50% disclosed volume, 30% largest trade, 20% trade count.
- 12-month volume
- $4M
- 4 trades · midpoints
- Largest trade
- Over $1,000,000
- Median midpoint $1M
- All-time volume
- $43.4M
- 49 trades
- Late filings
- 9
- Filed after the STOCK Act deadline
- Hindsight 15% moves
- 0
- Stock moved 15%+ the trade's way within 30 trading days
- Avg 30-day forward return
- —
- Sign-adjusted: buys +, sells −
Volumes are range midpoints; forward returns use public closing prices after the disclosed trade date, so they are hindsight: they describe what the stock did, not what anyone could have known. Late filings are counted from official dates only. How this is calculated
Unusual activity Estimated
- 52Whale tradePublic Jan 9, 2026 · traded Dec 15, 2025
Doris O. Matsui's spouse bought Over $1M of U.S. Treasury Note due 8/31/2030
Details
- Politician
- Doris O. Matsui
- Asset
- U.S. Treasury Note due 8/31/2030
- Tx type
- buy
- Traded
- Dec 15, 2025
- Filed
- Jan 9, 2026
- Amount low
- $1M
- Range midpoint (estimate)
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Owner type
- spouse
- Is whale
- Yes
- Public from
- Jan 9, 2026
- Method version
- 2026-11-03
- 52Whale tradePublic Jan 9, 2026 · traded Dec 15, 2025
Doris O. Matsui's spouse bought Over $1M of U.S. Treasury Note due 8/31/2029
Details
- Politician
- Doris O. Matsui
- Asset
- U.S. Treasury Note due 8/31/2029
- Tx type
- buy
- Traded
- Dec 15, 2025
- Filed
- Jan 9, 2026
- Amount low
- $1M
- Range midpoint (estimate)
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Owner type
- spouse
- Is whale
- Yes
- Public from
- Jan 9, 2026
- Method version
- 2026-11-03
- 52Whale tradePublic Jan 9, 2026 · traded Dec 15, 2025
Doris O. Matsui's spouse bought Over $1M of U.S. Treasury Note due 2/28/2030
Details
- Politician
- Doris O. Matsui
- Asset
- U.S. Treasury Note due 2/28/2030
- Tx type
- buy
- Traded
- Dec 15, 2025
- Filed
- Jan 9, 2026
- Amount low
- $1M
- Range midpoint (estimate)
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Owner type
- spouse
- Is whale
- Yes
- Public from
- Jan 9, 2026
- Method version
- 2026-11-03
- 52Whale tradePublic Jan 9, 2026 · traded Dec 15, 2025
Doris O. Matsui's spouse bought Over $1M of U.S. Treasury Note due 2/28/2029
Details
- Politician
- Doris O. Matsui
- Asset
- U.S. Treasury Note due 2/28/2029
- Tx type
- buy
- Traded
- Dec 15, 2025
- Filed
- Jan 9, 2026
- Amount low
- $1M
- Range midpoint (estimate)
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Owner type
- spouse
- Is whale
- Yes
- Public from
- Jan 9, 2026
- Method version
- 2026-11-03
- 50Whale tradePublic Sep 9, 2024 · traded Sep 3, 2024
Doris O. Matsui's spouse bought $500K–$1M of U.S. Treasury Note due 05/31/2026
Details
- Politician
- Doris O. Matsui
- Asset
- U.S. Treasury Note due 05/31/2026
- Tx type
- buy
- Traded
- Sep 3, 2024
- Filed
- Sep 9, 2024
- Amount low
- $500K
- Amount high
- $1M
- Range midpoint (estimate)
- $750K
- Disclosed range
- $500,001 - $1,000,000
- Reporting lag days
- 6
- Owner type
- spouse
- Is whale
- Yes
- Public from
- Sep 9, 2024
- Method version
- 2026-11-03
Estimated portfolio Estimated
No modelled positions yet (no eligible stock or ETF trades with a published ticker).
Portfolio values, holdings, returns, and allocations are estimates derived from disclosed dollar ranges and public market prices. They may differ materially from actual values. Not investment advice. How this is calculated
Top holdings Estimated
Sector allocation Estimated
Trades
Totals: $35.8M bought and $7.6M sold (range midpoints); first trade Jul 21, 2020, last trade Dec 15, 2025. Stats computed Nov 6, 2026. Midpoints are 0.5 × (low + high) of the disclosed range.