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 $1M
- All-time volume
- $40.3M
- 45 trades
- Late filings
- 10
- Reporting lag over the STOCK Act's 45 days
- Well-timed rate
- 0
- ±15% 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. Late filings are counted from official dates only. How this is calculated
Unusual activity Estimated
- 52Whale tradeDec 15, 2025
Doris O. Matsui 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
- Tx date
- Dec 15, 2025
- Filing date
- Jan 9, 2026
- Amount low
- $1M
- Amount mid
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Is whale
- Yes
- 52Whale tradeDec 15, 2025
Doris O. Matsui 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
- Tx date
- Dec 15, 2025
- Filing date
- Jan 9, 2026
- Amount low
- $1M
- Amount mid
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Is whale
- Yes
- 52Whale tradeDec 15, 2025
Doris O. Matsui 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
- Tx date
- Dec 15, 2025
- Filing date
- Jan 9, 2026
- Amount low
- $1M
- Amount mid
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Is whale
- Yes
- 52Whale tradeDec 15, 2025
Doris O. Matsui 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
- Tx date
- Dec 15, 2025
- Filing date
- Jan 9, 2026
- Amount low
- $1M
- Amount mid
- $1M
- Disclosed range
- Over $1,000,000
- Reporting lag days
- 25
- Is whale
- Yes
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: $35.1M bought and $5.2M sold (range midpoints); first trade Jul 21, 2020, last trade Dec 15, 2025. Stats computed Sep 24, 2026. Midpoints are 0.5 × (low + high) of the disclosed range.