Congressional Stock Trades & Disclosures
Doris O. Matsui is a U.S. Representative, a Democrat representing CA. As of January 2026, Bullish Whales has tracked 50 disclosed stock trades across 2 companies, representing $6.6M in disclosed transaction value, each filed publicly under the STOCK Act.
About Matsui's congressional trading
Matsui's disclosed activity shows a buy-leaning pattern, with 38 purchases and 12 sales (a buy-to-sell ratio of 3.17). Matsui has traded -- and NU most frequently among disclosed positions.
Matsui's most recent disclosed trade was a purchase of U.S. Treasury Note due 2/28/2030 [GS] (--) from December 2025. Each trade below links to its filing, an estimated price range, and post-trade performance versus the market.
Trading activity
Estimated trading profits
No priced buy disclosures in this window.
No priced buy disclosures in this window.
Based on 1 of 1 disclosed buys with pricing coverage.
Sep 4, 2020 to Jul 14, 2026
Estimated unrealized profit is based on disclosed buy transactions, estimated trade price, and the latest priced-through date. It does not account for later sales, taxes, commissions, slippage, exact execution price, or full portfolio position size. This is descriptive research, not investment advice, and not an allegation of wrongdoing.
Disclosed trades & legislation
| Company | Type | Size | Traded | Est. price | Change |
|---|---|---|---|---|---|
 --U.S. Treasury Note due 2/28/2030 [GS] | Buy | Unknown | 15 DEC 2025 | N/A | — |
| --U.S. Treasury Note due 8/31/2029 [GS] | Buy | Unknown | 15 DEC 2025 | N/A | — |
| --U.S. Treasury Note due 2/28/2029 [GS] | Buy | Unknown | 15 DEC 2025 | N/A | — |
| --U.S. Treasury Note due 8/31/2030 [GS] | Buy | Unknown | 15 DEC 2025 | N/A | — |
| --U.S. Treasury Note due 05/31/2026 [GS] | Buy | $500,001 - $1,000,000 | 03 SEP 2024 | N/A | — |
| --Intrinsic Exchange Group, Inc. [OI] | Buy | Unknown | 29 MAY 2024 | N/A | — |
| --U.S. Treasury Note due 12/15/2026 [GS] | Buy | Unknown | 23 APR 2024 | N/A | — |
| --U.S. Treasury Note due 5/31/2028 [GS] | Buy | Unknown | 23 APR 2024 | N/A | — |
| --U.S. Treasury Note due 10/31/2027 [GS] | Buy | Unknown | 23 APR 2024 | N/A | — |
| --U.S. Treasury Note due 1/31/2028 [GS] | Buy | Unknown | 23 APR 2024 | N/A | — |
Congressional trading news
The latest news on congressional stock trading, across all members, will appear here as our newsroom publishes it.
Doris O. Matsui congressional trading FAQ
Can Doris O. Matsui legally trade stocks?
Yes. Members of Congress are permitted to buy and sell stocks, but the 2012 STOCK Act requires them to publicly disclose each transaction, generally within 45 days. Quantellect compiles Doris O. Matsui's disclosures so the public can review them.
Where does Quantellect get Doris O. Matsui's trading data?
Every trade shown is sourced from official Periodic Transaction Reports filed under the STOCK Act. Amounts are reported as ranges, and estimated prices and post-trade returns are derived from end-of-day market data.
How can I track Doris O. Matsui's stock trades?
Quantellect tracks every stock trade Doris O. Matsui discloses under the STOCK Act on this page, including the company, the disclosed amount range, and post-trade performance. New filings appear here as they are reported, generally within 45 days of the trade.
How many stock trades has Doris O. Matsui disclosed?
Quantellect has tracked 50 disclosed trades by Doris O. Matsui across 2 companies.
Which stocks does Doris O. Matsui trade most?
Doris O. Matsui's most frequently disclosed positions include -- and NU. The full list of companies and individual filings is shown on this page.
What was Doris O. Matsui's most recent stock trade?
Doris O. Matsui most recently bought U.S. Treasury Note due 2/28/2030 [GS] (--) in December 2025, according to public STOCK Act filings tracked by Quantellect.
Browse all members of Congress who trade stocksSee which stocks Congress tradesCongressional trading overview
Trades reflect disclosures filed under the STOCK Act and are provided for informational purposes only, not investment advice. Amounts are ranges from official filings; estimated prices and post-trade returns are derived from end-of-day market data and may be revised as filings are amended.