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Taiwan Semiconductor Manufacturing Co. is the world's largest dedicated chip foundry, with about 70% market share in 2025. TSMC was founded in 1987 as a joint venture of Philips, the government of Taiwan, and private investors. It went public in Taiwan in 1994 and as an ADR in the US in 1997. TSMC's scale and high-quality technology allow the firm to generate solid operating margins, even in the highly competitive foundry business. Furthermore, the shift to the fabless business model has created tailwinds for TSMC. The foundry leader has an illustrious base of customers, including Apple, AMD, and Nvidia, that look to apply its cutting-edge process technologies to their semiconductor designs. TSMC employs more than 83,000 people.
Congressional Trades
27
All tracked trades
Members Trading
10
Unique members
Net Activity
-3
12 buys · 15 sells
Members Who Traded This Stock
27 trade events
| Date | Member | Stock | Type | Amount | Filed | Signal |
|---|---|---|---|---|---|---|
| 2026-01-08 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 169d ago | — | |
| 2025-12-24 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 191d ago | — | |
| 2025-10-31 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 243d ago | — | |
| 2025-10-23 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $100,001 - $250,000 | 252d ago | — | |
| 2025-10-14 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 243d ago | — | |
| 2025-10-10 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 242d ago | — | |
| 2025-08-28 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $50,001 - $100,000 | 313d ago | — | |
| 2025-08-15 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $15,001 - $50,000 | 322d ago | — | |
| 2025-08-13 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 322d ago | — | |
| 2025-08-01 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 322d ago | — | |
| 2025-08-01 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $100,001 - $250,000 | 322d ago | — | |
| 2025-07-24 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 190d ago | — | |
| 2025-06-25 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $100,001 - $250,000 | 386d ago | — | |
| 2025-06-09 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 343d ago | — | |
| 2025-05-06 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $1,001 - $15,000 | 313d ago | — | |
| 2025-04-21 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 436d ago | — | |
| 2025-03-03 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 482d ago | — | |
| 2024-10-23 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $50,001 - $100,000 | 343d ago | — | |
| 2024-10-23 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $15,001 - $50,000 | 190d ago | — | |
| 2024-10-04 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 623d ago | — | |
| 2024-09-23 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 657d ago | — | |
| 2024-07-05 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 706d ago | — | |
| 2024-06-21 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 743d ago | — | |
| 2024-03-11 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Buy | $15,001 - $50,000 | 343d ago | — | |
| 2024-02-09 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $1,001 - $15,000 | 867d ago | — | |
| 2023-07-10 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $50,001 - $100,000 | 1074d ago | — | |
| 2023-02-27 | TSMTaiwan Semiconductor Manufacturing Company Ltd. | Sell | $50,001 - $100,000 | 1220d ago | — |
2026-01-08
Cleo Fields
TSM
Amount
$1,001 - $15,000
Filed
169d ago
2025-12-24
Gilbert Cisneros
TSM
Amount
$1,001 - $15,000
Filed
191d ago
2025-10-31
Lisa McClain
TSM
Amount
$1,001 - $15,000
Filed
243d ago
2025-10-23
Cleo Fields
TSM
Amount
$100,001 - $250,000
Filed
252d ago
2025-10-14
Lisa McClain
TSM
Amount
$1,001 - $15,000
Filed
243d ago
2025-10-10
Jared Moskowitz
TSM
Amount
$1,001 - $15,000
Filed
242d ago
2025-08-28
Lisa McClain
TSM
Amount
$50,001 - $100,000
Filed
313d ago
2025-08-15
Cleo Fields
TSM
Amount
$15,001 - $50,000
Filed
322d ago
2025-08-13
Cleo Fields
TSM
Amount
$1,001 - $15,000
Filed
322d ago
2025-08-01
Cleo Fields
TSM
Amount
$1,001 - $15,000
Filed
322d ago
2025-08-01
Cleo Fields
TSM
Amount
$100,001 - $250,000
Filed
322d ago
2025-07-24
Julia Letlow
TSM
Amount
$1,001 - $15,000
Filed
190d ago
2025-06-25
Cleo Fields
TSM
Amount
$100,001 - $250,000
Filed
386d ago
2025-06-09
Lisa McClain
TSM
Amount
$1,001 - $15,000
Filed
343d ago
2025-05-06
Valerie Hoyle
TSM
Amount
$1,001 - $15,000
Filed
313d ago
2025-04-21
Bruce Westerman
TSM
Amount
$1,001 - $15,000
Filed
436d ago
2025-03-03
Rob Bresnahan
TSM
Amount
$1,001 - $15,000
Filed
482d ago
2024-10-23
Lisa McClain
TSM
Amount
$50,001 - $100,000
Filed
343d ago
2024-10-23
Julia Letlow
TSM
Amount
$15,001 - $50,000
Filed
190d ago
2024-10-04
Josh Gottheimer
TSM
Amount
$1,001 - $15,000
Filed
623d ago
2024-09-23
Josh Gottheimer
TSM
Amount
$1,001 - $15,000
Filed
657d ago
2024-07-05
Josh Gottheimer
TSM
Amount
$1,001 - $15,000
Filed
706d ago
2024-06-21
Josh Gottheimer
TSM
Amount
$1,001 - $15,000
Filed
743d ago
2024-03-11
Lisa McClain
TSM
Amount
$15,001 - $50,000
Filed
343d ago
2024-02-09
Josh Gottheimer
TSM
Amount
$1,001 - $15,000
Filed
867d ago
2023-07-10
Daniel Goldman
TSM
Amount
$50,001 - $100,000
Filed
1074d ago
2023-02-27
Daniel Goldman
TSM
Amount
$50,001 - $100,000
Filed
1220d ago
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Trade Timeline
Congressional activity, newest first
Cleo Fields
2026-01-08 · Purchase
$1,001 - $15,000
Gilbert Cisneros
2025-12-24 · Sale
$1,001 - $15,000
Lisa McClain
2025-10-31 · Sale
$1,001 - $15,000
Cleo Fields
2025-10-23 · Purchase
$100,001 - $250,000
Lisa McClain
2025-10-14 · Sale
$1,001 - $15,000
Jared Moskowitz
2025-10-10 · Purchase
$1,001 - $15,000
Lisa McClain
2025-08-28 · Sale
$50,001 - $100,000
Cleo Fields
2025-08-15 · Purchase
$15,001 - $50,000
Cleo Fields
2025-08-13 · Purchase
$1,001 - $15,000
Cleo Fields
2025-08-01 · Purchase
$1,001 - $15,000
Cleo Fields
2025-08-01 · Purchase
$100,001 - $250,000
Julia Letlow
2025-07-24 · Sale
$1,001 - $15,000
Cleo Fields
2025-06-25 · Purchase
$100,001 - $250,000
Lisa McClain
2025-06-09 · Purchase
$1,001 - $15,000
Valerie Hoyle
2025-05-06 · Purchase
$1,001 - $15,000
Bruce Westerman
2025-04-21 · Sale
$1,001 - $15,000
Rob Bresnahan
2025-03-03 · Sale
$1,001 - $15,000
Lisa McClain
2024-10-23 · Sale
$50,001 - $100,000
Julia Letlow
2024-10-23 · Purchase
$15,001 - $50,000
Josh Gottheimer
2024-10-04 · Sale
$1,001 - $15,000
Josh Gottheimer
2024-09-23 · Sale
$1,001 - $15,000
Josh Gottheimer
2024-07-05 · Sale
$1,001 - $15,000
Josh Gottheimer
2024-06-21 · Sale
$1,001 - $15,000
Lisa McClain
2024-03-11 · Purchase
$15,001 - $50,000
Josh Gottheimer
2024-02-09 · Sale
$1,001 - $15,000
Daniel Goldman
2023-07-10 · Sale
$50,001 - $100,000
Daniel Goldman
2023-02-27 · Sale
$50,001 - $100,000