Taiwan Semiconductor Manufacturing Company Limited (TSM) Insider Trading
Over the last 3 months, TSM insiders made 98 open-market buys and 1 sale, a net sale of -$13.3M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 2622 institutions increased and 2363 reduced their position (13F).
Insider Activity
Sentiment
5/100
Buys (3m)
98
Sells (3m)
1
Net (3m)
-$13.3M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Context3-month price +43.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 30, 2026 | Tien Bor-Zenofficer: VP | Buy | 1,000 | $76.64 |
| Jun 23, 2026 | Yuan Lipenofficer: VP | Buy | 1,000 | $79.19 |
| Jun 16, 2026 | Yuan Lipenofficer: VP | Buy | 1,000 | $75.26 |
| Jun 9, 2026 | Chen Pei-Hungofficer: VP | Buy | 46 | $76.01 |
| Jun 9, 2026 | He Junofficer: VP | Buy | 46 | $76.01 |
| Jun 9, 2026 | Chuang Tzu-Souofficer: VP | Buy | 46 | $76.01 |
| Jun 9, 2026 | Chuang Juipingofficer: VP | Buy | 50 | $76.01 |
| Jun 9, 2026 | Hou Yung-Chinofficer: SVP and Deputy Co-COO | Buy | 62 | $76.01 |
| Jun 9, 2026 | Fang Shu-Huaofficer: SVP and GC | Buy | 55 | $76.01 |
| Jun 9, 2026 | Jang Syun-Mingofficer: VP | Buy | 49 | $76.01 |
| Jun 9, 2026 | Huang Jen-Chauofficer: SVP and CFO | Buy | 30 | $76.01 |
| Jun 9, 2026 | Hsu Kuo-Chinofficer: VP | Buy | 53 | $76.01 |
| Jun 9, 2026 | Ku Yao-Chingofficer: VP | Buy | 48 | $76.01 |
| Jun 9, 2026 | Hwang Yuan-Koofficer: VP | Buy | 40 | $76.01 |
| Jun 9, 2026 | Lin Shyue-Shyhofficer: VP | Buy | 46 | $76.01 |
| Jun 9, 2026 | Lee Chun-Hsienofficer: SVP | Buy | 51 | $76.01 |
| Jun 9, 2026 | Liaw Yung-Hawofficer: VP | Buy | 48 | $76.01 |
| Jun 9, 2026 | Lu Chin-Shengofficer: VP | Buy | 37 | $76.01 |
| Jun 9, 2026 | Lu Lee-Chungofficer: VP | Buy | 52 | $76.01 |
| Jun 9, 2026 | Lin Chris Horng-Darofficer: VP and CIO | Buy | 48 | $76.01 |
| Jun 9, 2026 | Tien Bor-Zenofficer: VP | Buy | 7 | $76.01 |
| Jun 9, 2026 | Tien Bor-Zenofficer: VP | Buy | 43 | $76.01 |
| Jun 9, 2026 | Wu Shien-Yangofficer: SVP | Buy | 57 | $76.01 |
| Jun 9, 2026 | Wei Che-Chiadirector, officer: Chairman and CEO | Buy | 150 | $76.01 |
| Jun 9, 2026 | Zhang Kevin Xiaoqiangofficer: SVP and Deputy Co-COO | Buy | 62 | $76.01 |
| Jun 9, 2026 | Chin Yung-Peiofficer: EVP and Co-COO | Buy | 71 | $76.01 |
| Jun 9, 2026 | Chang Tzonz-Shengofficer: SVP | Buy | 53 | $76.01 |
| Jun 9, 2026 | Chen Chih-Hoofficer: Controller | Buy | 32 | $76.01 |
| Jun 9, 2026 | Yeap Choh Feiofficer: SVP | Buy | 55 | $76.01 |
| Jun 9, 2026 | Yuan Lipenofficer: VP | Buy | 42 | $76.01 |
Source: TSM SEC Form 4 filings, latest Jun 30, 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
2622
New positions
762
Reduced
2363
Sold out
232
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Reduced | 61.1M | Feb 17, 2026 |
| FMR LLC | Reduced | 60.4M | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 37.4M | May 15, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 32.9M | May 13, 2026 |
| SANDERS CAPITAL, LLC | Reduced | 32.0M | Feb 13, 2026 |
| SANDERS CAPITAL, LLC | Reduced | 28.1M | May 14, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 27.4M | Feb 11, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Increased | 25.7M | Feb 11, 2026 |
| JPMORGAN CHASE & CO | Increased | 25.2M | Feb 11, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 24.3M | May 15, 2026 |
| JPMORGAN CHASE & CO | Reduced | 24.0M | May 13, 2026 |
| VAN ECK ASSOCIATES CORP | Increased | 19.3M | May 15, 2026 |
| FISHER ASSET MANAGEMENT, LLC | Increased | 18.6M | May 5, 2026 |
| BLACKROCK, INC. | Increased | 18.2M | May 13, 2026 |
| FISHER ASSET MANAGEMENT, LLC | Increased | 18.1M | Feb 9, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.