Taiwan Semiconductor Manufacturing Company Limited (TSM) Insider Trading

Over the last 3 months, TSM insiders made 67 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, 2662 institutions increased and 2350 reduced their position (13F).

Insider Activity

Sentiment
5/100
Buys (3m)
67
Sells (3m)
1
Net (3m)
-$13.3M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Mar
Apr
May
Context3-month price +22.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 21, 2026Tien Bor-Zenofficer: VPBuy10$391.81
May 21, 2026Tien Bor-Zenofficer: VPBuy7$400.00
May 19, 2026Tien Bor-Zenofficer: VPBuy1,000$69.98
May 19, 2026Chuang Tzu-Souofficer: VPSell200,000$69.83
May 11, 2026Chen Pei-Hungofficer: VPBuy49$71.82
May 11, 2026Cao Minofficer: VPBuy59$71.82
May 11, 2026Chang Tzonz-Shengofficer: SVPBuy56$71.82
May 11, 2026He Junofficer: VPBuy49$71.82
May 11, 2026Chuang Juipingofficer: VPBuy51$71.82
May 11, 2026Chuang Tzu-Souofficer: VPBuy48$71.82
May 11, 2026Fang Shu-Huaofficer: SVP and GCBuy59$71.82
May 11, 2026Hou Yung-Chinofficer: SVP and Deputy Co-COOBuy66$71.82
May 11, 2026Jang Syun-Mingofficer: VPBuy52$71.82
May 11, 2026Hwang Yuan-Koofficer: VPBuy42$71.82
May 11, 2026Lee Chun-Hsienofficer: VPBuy53$71.82
May 11, 2026Hsu Kuo-Chinofficer: VPBuy56$71.82
May 11, 2026Huang Jen-Chauofficer: SVP and CFOBuy30$71.82
May 11, 2026Mii Yuh-Jierofficer: EVP and Co-COOBuy75$71.82
May 11, 2026Lu Lee-Chungofficer: VPBuy54$71.82
May 11, 2026Lin Shyue-Shyhofficer: VPBuy48$71.82
May 11, 2026Lin Chris Horng-Darofficer: VP and CIOBuy49$71.82
May 11, 2026Liaw Yung-Hawofficer: VPBuy53$71.82
May 11, 2026Wang Ying-Langofficer: SVPBuy57$71.82
May 11, 2026Wu Shien-Yangofficer: SVPBuy60$71.82
May 11, 2026Tien Bor-Zenofficer: VPBuy7$71.82
May 11, 2026Tien Bor-Zenofficer: VPBuy44$71.82
May 11, 2026Yeap Choh Feiofficer: SVPBuy59$71.82
May 11, 2026Wei Che-Chiadirector, officer: Chairman and CEOBuy160$71.82
May 11, 2026Yoo Chue-Sanofficer: VPBuy55$71.82
May 11, 2026Yuan Lipenofficer: VPBuy44$71.82

Source: TSM SEC Form 4 filings, latest May 21, 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
2662
New positions
746
Reduced
2350
Sold out
221
Largest moves
InstitutionActionSharesFiled
FMR LLCReduced61.1MFeb 17, 2026
FMR LLCReduced60.4MMay 15, 2026
CAPITAL WORLD INVESTORSIncreased32.9MMay 13, 2026
SANDERS CAPITAL, LLCReduced32.0MFeb 13, 2026
SANDERS CAPITAL, LLCReduced28.1MMay 14, 2026
CAPITAL WORLD INVESTORSReduced27.4MFeb 11, 2026
CAPITAL INTERNATIONAL INVESTORSIncreased25.7MFeb 11, 2026
JPMORGAN CHASE & COIncreased25.2MFeb 11, 2026
JPMORGAN CHASE & COReduced24.0MMay 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased19.4MMay 15, 2026
VAN ECK ASSOCIATES CORPIncreased19.3MMay 15, 2026
FISHER ASSET MANAGEMENT, LLCIncreased18.6MMay 5, 2026
BLACKROCK, INC.Increased18.2MMay 13, 2026
FISHER ASSET MANAGEMENT, LLCIncreased18.1MFeb 9, 2026
VAN ECK ASSOCIATES CORPIncreased17.5MFeb 13, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.