MCM
TSM icon

Mattern Capital Management’s TSMC TSM Stock Holding History

Mattern Capital Management’s Portfolio TSM Stock Details TSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.42M Sell
5,057
-510
-9% -$207K 0.28% 84
2026
Q1 		$1.88M Buy
5,567
+180
+3% +$61.9K 0.23% 91
2025
Q4 		$1.64M Sell
5,387
-1,165
-18% -$342K 0.19% 93
2025
Q3 		$1.83M Buy
6,552
+686
+12% +$168K 0.22% 90
2025
Q2 		$1.33M Buy
5,866
+962
+20% +$178K 0.16% 96
2025
Q1 		$814K Buy
4,904
+622
+15% +$121K 0.1% 110
2024
Q4 		$846K Sell
4,282
-360
-8% -$69.7K 0.11% 96
2024
Q3 		$806K Buy
4,642
+347
+8% +$59.1K 0.1% 97
2024
Q2 		$747K Buy
4,295
+837
+24% +$127K 0.1% 96
2024
Q1 		$470K Buy
+3,458
New +$429K 0.06% 110

Other funds holding TSM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Sanders Capital
Sanders Capital West Palm Beach, Florida $99.8B AUM 47.9% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Mattern Capital Management's TSM Position: Q2 2026 in Review

Mattern Capital Management reduced its TSMC (TSM) stake by 9.2% in Q2 2026, selling an estimated $207K and leaving 5,057 shares worth $2.42M. The position accounts for 0.28% of the portfolio, ranked #84.

Mattern Capital Management first reported a position in TSM in Q1 2024 and has held it in 10 quarters since. 3,567 funds tracked by Wall St. Rank hold TSM as of Q2 2026.

  • Mattern Capital Management held 5,057 shares of TSMC worth $2.42M as of Q2 2026.
  • Mattern Capital Management sold 510 TSMC shares in Q2 2026, an estimated $207K.
  • TSMC made up 0.28% of Mattern Capital Management's portfolio in Q2 2026, its #84 holding.
  • Mattern Capital Management first reported a position in TSMC in Q1 2024 and has held it in 10 quarters since.
  • 3,567 funds tracked by Wall St. Rank held TSMC as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.