Taiwan Semiconductor Manufacturing Company Limited (TSM) Insider Trading
Over the last 3 months, TSM insiders made 109 open-market buys and 1 sale, a net purchase of $1.1M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 2771 institutions increased and 2581 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
109
Sells (3m)
1
Net (3m)
$1.1M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +0.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 20, 2026 | Yuan Lipenofficer: VP | Buy | 1,000 | $74.50 |
| Aug 20, 2026 | Yuan Lipenofficer: VP | Buy | 350 | $73.58 |
| Aug 10, 2026 | Ku Yao-Chingofficer: VP | Buy | 47 | $73.31 |
| Aug 10, 2026 | Hwang Yuan-Koofficer: VP | Buy | 40 | $73.31 |
| Aug 10, 2026 | Huang Jen-Chauofficer: SVP and CFO | Buy | 29 | $73.31 |
| Aug 10, 2026 | Hsu Kuo-Chinofficer: VP | Buy | 54 | $73.31 |
| Aug 10, 2026 | Jang Syun-Mingofficer: VP | Buy | 50 | $73.31 |
| Aug 10, 2026 | Lu Chin-Shengofficer: VP | Buy | 39 | $73.31 |
| Aug 10, 2026 | Lee Chun-Hsienofficer: SVP | Buy | 54 | $73.31 |
| Aug 10, 2026 | Lin Shyue-Shyhofficer: VP | Buy | 47 | $73.31 |
| Aug 10, 2026 | Lu Lee-Chungofficer: VP | Buy | 52 | $73.31 |
| Aug 10, 2026 | Lin Chris Horng-Darofficer: VP and CIO | Buy | 49 | $73.31 |
| Aug 10, 2026 | Tien Bor-Zenofficer: VP | Buy | 7 | $73.31 |
| Aug 10, 2026 | Tien Bor-Zenofficer: VP | Buy | 42 | $73.31 |
| Aug 10, 2026 | Wu Shien-Yangofficer: SVP | Buy | 57 | $73.31 |
| Aug 10, 2026 | Wei Che-Chiadirector, officer: Chairman and CEO | Buy | 152 | $73.31 |
| Aug 10, 2026 | Wang Ying-Langofficer: SVP | Buy | 55 | $73.31 |
| Aug 10, 2026 | Chuang Tzu-Souofficer: VP | Buy | 47 | $73.31 |
| Aug 10, 2026 | Yoo Chue-Sanofficer: VP | Buy | 51 | $73.31 |
| Aug 10, 2026 | Wu Yi-Huangofficer: VP | Buy | 41 | $73.31 |
| Aug 10, 2026 | Yuan Lipenofficer: VP | Buy | 42 | $73.31 |
| Aug 10, 2026 | Mii Yuh-Jierofficer: EVP and Co-COO | Buy | 72 | $73.31 |
| Aug 10, 2026 | He Junofficer: VP | Buy | 46 | $73.31 |
| Aug 10, 2026 | Zhang Kevin Xiaoqiangofficer: SVP and Deputy Co-COO | Buy | 63 | $73.31 |
| Aug 10, 2026 | Yeap Choh Feiofficer: SVP | Buy | 57 | $73.31 |
| Aug 10, 2026 | Chin Yung-Peiofficer: EVP and Co-COO | Buy | 72 | $73.31 |
| Aug 10, 2026 | Cao Minofficer: VP | Buy | 55 | $73.31 |
| Aug 10, 2026 | Chen Pei-Hungofficer: VP | Buy | 46 | $73.31 |
| Aug 10, 2026 | Chen Chih-Hoofficer: Controller | Buy | 33 | $73.31 |
| Aug 10, 2026 | Chang Tzonz-Shengofficer: SVP | Buy | 54 | $73.31 |
Source: TSM SEC Form 4 filings, latest Aug 20, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TSM positions over the last 6 months (SEC Form 13F).
Increased
2771
New positions
795
Reduced
2581
Sold out
119
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Reduced | 60.4M | May 15, 2026 |
| FMR LLC | Reduced | 58.9M | Aug 13, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 49.8M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 39.0M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 37.4M | May 15, 2026 |
| Capital World Investors | Increased | 34.4M | Aug 12, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 32.9M | May 13, 2026 |
| SANDERS CAPITAL, LLC | Reduced | 28.1M | May 14, 2026 |
| Sanders Capital, LLC | Reduced | 26.1M | Aug 10, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 24.3M | May 15, 2026 |
| JPMORGAN CHASE & CO | Reduced | 24.0M | May 13, 2026 |
| JPMORGAN CHASE & CO | Reduced | 23.8M | Aug 12, 2026 |
| JANE STREET GROUP, LLC | Increased | 21.0M | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 20.1M | Aug 7, 2026 |
| VAN ECK ASSOCIATES CORP | Increased | 19.3M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.