Taiwan Semiconductor Manufacturing Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 159 trades in Taiwan Semiconductor Manufacturing (NYSE: TSM) since 2012, across 35 members, worth an estimated $6.1M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 65 buys against 94 sells, a modestly sell-led skew, with Democratic members responsible for 43% of the trades and Republican members 57%. The most recent disclosure shown was filed July 2026, and Gilbert Cisneros has filed the most TSM transactions among those shown, with 6. Other recent filers include Cleo Fields, Richard W. Allen, and Julia Letlow. One notable disclosed move was a purchase by Gilbert Cisneros on November 18, 2025, up 50.9% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. Taiwan Semiconductor Manufacturing's current Quantellect Tide Score is 60 out of 100 (High Tide), Top 31% of universe (3876); the Tide Score is generated algorithmically from public filings and market data and is not investment advice. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Taiwan Semiconductor Manufacturing (TSM) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Taiwan Semiconductor Manufacturing congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | Owner | |
|---|---|---|---|---|---|---|---|---|
 Cleo Fields House | Jul 30, 2026 | Jul 10, 2026 | 20 days | BUY |  $1,001 - $15,000 | -3.85% | Self | |
 Richard W. Allen House | Jun 16, 2026 | May 8, 2026 | 39 days | BUY | $1,001 - $15,000 | +1.39% | Spouse | |
Cleo Fields House | Apr 20, 2026 | Apr 9, 2026 | 11 days | BUY | $1,001 - $15,000 | +14.21% | Self | |
 Gilbert Cisneros House | Mar 9, 2026 | Feb 26, 2026 | 11 days | BUY | $1,001 - $15,000 | +11.02% | Self | |
Richard W. Allen House | Mar 11, 2026 | Feb 19, 2026 | 20 days | BUY | $1,001 - $15,000 | +16.08% | Spouse | |
Gilbert Cisneros House | Mar 9, 2026 | Feb 9, 2026 | 28 days | BUY | $100,001 - $250,000 | +17.71% | Self | |
 Julia Letlow House | Mar 12, 2026 | Feb 2, 2026 | 38 days | BUY | $1,001 - $15,000 | +22.55% | Self | |
Gilbert Cisneros House | Feb 13, 2026 | Jan 30, 2026 | 14 days | BUY | $1,001 - $15,000 | +26.56% | Self | |
Cleo Fields House | Feb 3, 2026 | Jan 8, 2026 | 26 days | BUY | $1,001 - $15,000 | +31.55% | Self | |
Gilbert Cisneros House | Jan 12, 2026 | Dec 24, 2025 | 19 days | SELL | $1,001 - $15,000 | +40.01% | Self |
Taiwan Semiconductor Manufacturing (TSM) congressional trading FAQ
Can members of Congress legally trade Taiwan Semiconductor Manufacturing (TSM) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Taiwan Semiconductor Manufacturing (TSM), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; it does not imply any trade was improper.
Are congressional Taiwan Semiconductor Manufacturing (TSM) trades public?
Yes. Every congressional trade in Taiwan Semiconductor Manufacturing (TSM) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Taiwan Semiconductor Manufacturing (TSM)?
Members of Congress have disclosed 159 trades in Taiwan Semiconductor Manufacturing (TSM) worth $6.1M across 35 members, according to public STOCK Act filings.
Which members of Congress have traded Taiwan Semiconductor Manufacturing (TSM)?
Recent and active filers of Taiwan Semiconductor Manufacturing (TSM) disclosures include Gilbert Cisneros, Lisa McClain, Cleo Fields. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Taiwan Semiconductor Manufacturing (TSM) more?
Across disclosed Taiwan Semiconductor Manufacturing (TSM) trades, 43% were by Democrats and 57% by Republicans, led by Republicans (57%).
What is the most recent congressional Taiwan Semiconductor Manufacturing (TSM) trade?
The most recent disclosed Taiwan Semiconductor Manufacturing (TSM) trade was a purchase by Cleo Fields, filed Jul 29, 2026.
What is Taiwan Semiconductor Manufacturing (TSM)'s Tide Score?
Taiwan Semiconductor Manufacturing (TSM) has a Quantellect Tide Score of 60 (High Tide). The Tide Score is a 0-100 read blending price forecast, smart-money flow, technicals, and social sentiment; higher is more bullish.
Browse all stocks Congress tradesCongressional trading overviewTaiwan Semiconductor Manufacturing (TSM) stock overview
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.