William Frels - Mairs & Power
Holding/activity history for Taiwan Semiconductor (TSM)
← All TSM superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 486,253 | 1.68 | Reduce 0.06% | <0.01 | $311.70–390.21 · VW $343.40i | $164,329,539 | SEC |
| 2025 Q4 | 486,547 | 1.42 | Reduce 1.76% | 0.02 | $266.82–313.98 · VW $294.68i | $147,856,768 | SEC |
| 2025 Q3 | 495,265 | 1.30 | Add 10.84% | 0.13 | $221.18–286.00 · VW $245.26i | $138,322,562 | SEC |
| 2025 Q2 | 446,826 | 1.00 | Add 12.36% | 0.11 | $134.25–228.88 · VW $180.01i | $101,201,621 | SEC |
| 2025 Q1 | 397,657 | 0.69 | Buy | 0.69 | $159.73–226.40 · VW $190.41i | $66,011,062 | SEC |
| 2011 Q3 | 0 | 0.00 | Sell 100.00% | <0.01 | $10.75–13.05 · VW $12.01i | SEC | |
| 2011 Q2 | 26,720 | <0.01 | Buy | <0.01 | $11.85–14.05 · VW $13.15i | $337,000 | SEC |
Price snapshot:
Current price$421.58
Avg. buy price$183.09
+/- since buy130.26%
52-week low$221.25
52-week high$479.00