Doris O. Matsui is a Democratic U.S. Representative from California, serving since 2005. She represents a Sacramento-area district and is serving the 2025–2027 term. Matsui sits on the House Committee on Energy and Commerce, including the Energy and the Communications and Technology subcommittees.
Matsui has disclosed 109 trades with an estimated total trading volume of $37.8 million, placing her among the more active congressional traders. Her activity is heavily concentrated in a single frequently traded holding, which accounts for 106 of the 109 transactions, with additional trades in TME, ZM, and NU. She reports 82 buys and 27 sells, indicating a strong net-buying pattern. The concentration of trades in one primary position distinguishes her portfolio activity from members with more diversified transaction histories.
| Date | Asset | Type | Amount |
|---|---|---|---|
| 2012-08-10 | Beal Bank, Plano TX, CDOTHE | sell | $50K – $100K |
| 2011-08-10 | Vanguard Inflation Protection SecuritiesOTHE | sell | $1K – $15K |
| 2011-06-08 | PIMCO Commodity Real Return StrategyOTHE | buy | $1K – $15K |
| 2011-06-08 | Vanguard Emerging Markets Stock IndexOTHE | buy | $1K – $15K |
| 2011-06-08 | Vanguard European Stock IndexOTHE | buy | $1K – $15K |
| 2011-06-08 | VANGUARD INFLATION PROJECTEDOTHE | buy | $15K – $50K |
| 2011-06-08 | VANGUARD INTERMEDIATE-TERMOTHE | buy | $15K – $50K |
| 2011-06-08 | VANGUARD LARGE-CAP INDEX FUNDFUND | buy | $15K – $50K |
| 2011-06-08 | VANGUARD LIMITED-TERMOTHE | buy | $1K – $15K |
| 2011-06-08 | VANGUARD MID-CAP INDEX FUNDFUND | buy | $1K – $15K |
| 2011-06-08 | VANGUARD REIT INDEX FUNDFUND | buy | $1K – $15K |
| 2011-05-10 | Vanguard Intermediate Term Tax ExemptOTHE | buy | $1K – $15K |
| 2011-03-05 | Vanguard Limited-Term Municipal Bond FundMUNI | buy | $1K – $15K |
| 2011-03-05 | Vanguard REIT Index Signal FundFUND | sell | $1K – $15K |
| 2011-03-05 | Vanguard Small-Cap Index Signal FundFUND | sell | $1K – $15K |
| 2011-03-05 | Vanguard Inflation Protected Securities FundFUND | buy | $1K – $15K |
| 2011-03-05 | Vanguard Long Term Tax Exempt Fund Investor ClassFUND | buy | $1K – $15K |
| 2011-02-05 | Vanguard Mid-Cap Index Signal FundFUND | sell | $1K – $15K |
| 2010-06-08 | PIMCO Commodity Real Return StrategyOTHE | buy | $1K – $15K |
| 2010-06-08 | Vanguard Emerging Markets Stock IndexOTHE | buy | $1K – $15K |
| 2010-06-08 | Vanguard European Stock IndexOTHE | buy | $1K – $15K |
| 2010-06-08 | VANGUARD INFLATION PROJECTEDOTHE | buy | $15K – $50K |
| 2010-06-08 | VANGUARD INTERMEDIATE-TERMOTHE | buy | $15K – $50K |
| 2010-06-08 | VANGUARD LARGE-CAP INDEX FUNDFUND | buy | $15K – $50K |
| 2010-06-08 | VANGUARD LIMITED-TERMOTHE | buy | $1K – $15K |
| 2010-06-08 | VANGUARD MID-CAP INDEX FUNDFUND | buy | $1K – $15K |
| 2010-06-08 | VANGUARD PACIFIC STOCK INDEXOTHE | buy | $1K – $15K |
| 2010-06-08 | VANGUARD REIT INDEX FUNDFUND | buy | $1K – $15K |
| 2010-06-08 | VANGUARD SMALL-CAP INDEX FUNDFUND | buy | $1K – $15K |
| 2009-11-03 | PIMCO COMMODITY REAL RETURNS STRATEGY FUNDFUND | buy | $1K – $15K |
| 2009-11-03 | VANGUARD EUROPEAN STOCK INDEX FUNDFUND | buy | $1K – $15K |
| 2009-11-03 | VANGUARD INFLATION PROTECTED SECURITIES FUNDFUND | sell | $1K – $15K |
| 2009-11-03 | Vanguard Intermediate-Term Municipal Bond FundMUNI | sell | $1K – $15K |
| 2009-11-03 | Vanguard Large-Cap Index FundFUND | buy | $1K – $15K |
| 2009-11-03 | Vanguard Limited-Term Municipal Bond FundMUNI | sell | $1K – $15K |
| 2009-11-03 | Vanguard Mid-Cap Index FundFUND | buy | $1K – $15K |
| 2009-11-03 | Vanguard Pacific Stock Index FundFUND | buy | $1K – $15K |
| 2009-11-03 | Vanguard RET Index FundFUND | buy | $1K – $15K |
| 2009-11-03 | Vanguard Small-Cap Index FundFUND | buy | $1K – $15K |
| 2009-07-05 | VANGUARD EMERGING MARKET STOCK FUNDFUND | sell | $1K – $15K |
| 2009-07-05 | VANGUARD EUROPEAN STOCK INDEX FUNDFUND | sell | $1K – $15K |
| 2009-07-05 | VANGUARD INFLATION PROTECTED SECURITIES FUNDFUND | buy | $1K – $15K |
| 2009-07-05 | Vanguard Intermediate-Term Municipal Bond FundMUNI | buy | $1K – $15K |
| 2009-07-05 | Vanguard Large-Cap Index FundFUND | sell | $1K – $15K |
| 2009-07-05 | Vanguard Limited-Term Municipal Bond FundMUNI | buy | $1K – $15K |
| 2009-07-05 | Vanguard Mid-Cap Index FundFUND | sell | $1K – $15K |
| 2009-07-05 | Vanguard Pacific Stock Index FundFUND | sell | $1K – $15K |
| 2009-07-05 | Vanguard RET Index FundFUND | sell | $1K – $15K |
| 2009-07-05 | Vanguard Small-Cap Index FundFUND | sell | $1K – $15K |
| 2008-06-11 | PIMCO COMMODITY REAL RETURN STRATEGYOTHE | buy | $1K – $15K |