William Blair Investment Management’s TSMC TSM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.87B | Sell |
5,518,260
-467,070
| -8% | -$161M | 6.16% | 1 |
|
|
2025
Q4 | $1.82B | Sell |
5,985,330
-436,828
| -7% | -$128M | 5.07% | 2 |
|
|
2025
Q3 | $1.79B | Sell |
6,422,158
-200,097
| -3% | -$48.9M | 4.64% | 3 |
|
|
2025
Q2 | $1.5B | Sell |
6,622,255
-739,428
| -10% | -$137M | 3.98% | 3 |
|
|
2025
Q1 | $1.22B | Sell |
7,361,683
-360,357
| -5% | -$70M | 3.43% | 3 |
|
|
2024
Q4 | $1.52B | Sell |
7,722,040
-496,086
| -6% | -$96M | 3.72% | 3 |
|
|
2024
Q3 | $1.43B | Sell |
8,218,126
-675,220
| -8% | -$115M | 3.52% | 3 |
|
|
2024
Q2 | $1.55B | Sell |
8,893,346
-612,140
| -6% | -$92.9M | 4.06% | 3 |
|
|
2024
Q1 | $1.29B | Sell |
9,505,486
-1,723,715
| -15% | -$214M | 3.34% | 2 |
|
|
2023
Q4 | $1.17B | Sell |
11,229,201
-550,943
| -5% | -$52.5M | 3.4% | 2 |
|
|
2023
Q3 | $1.02B | Buy |
11,780,144
+355,609
| +3% | +$33.6M | 3.4% | 2 |
|
|
2023
Q2 | $1.15B | Buy |
11,424,535
+233,387
| +2% | +$21.7M | 3.7% | 2 |
|
|
2023
Q1 | $1.04B | Buy |
11,191,148
+1,428,917
| +15% | +$128M | 3.63% | 1 |
|
|
2022
Q4 | $727M | Buy |
9,762,231
+615,611
| +7% | +$44.5M | 2.78% | 2 |
|
|
2022
Q3 | $627M | Sell |
9,146,620
-257,599
| -3% | -$21.3M | 2.48% | 2 |
|
|
2022
Q2 | $769M | Sell |
9,404,219
-1,376,903
| -13% | -$127M | 2.85% | 2 |
|
|
2022
Q1 | $1.12B | Sell |
10,781,122
-529,883
| -5% | -$62M | 3.36% | 1 |
|
|
2021
Q4 | $1.36B | Buy |
11,311,005
+298,322
| +3% | +$34.9M | 3.68% | 1 |
|
|
2021
Q3 | $1.23B | Buy |
11,012,683
+177,950
| +2% | +$20.9M | 3.47% | 1 |
|
|
2021
Q2 | $1.3B | Buy |
10,834,733
+495,832
| +5% | +$58.1M | 4.09% | 1 |
|
|
2021
Q1 | $1.22B | Sell |
10,338,901
-1,893,220
| -15% | -$235M | 3.96% | 1 |
|
|
2020
Q4 | $1.33B | Sell |
12,232,121
-1,098,832
| -8% | -$104M | 4.44% | 1 |
|
|
2020
Q3 | $1.08B | Sell |
13,330,953
-1,642,237
| -11% | -$125M | 4.21% | 1 |
|
|
2020
Q2 | $850M | Sell |
14,973,190
-2,346,045
| -14% | -$124M | 3.46% | 1 |
|
|
2020
Q1 | $828M | Sell |
17,319,235
-20,308
| -0.1% | -$1.11M | 4.03% | 2 |
|
|
2019
Q4 | $1.01B | Buy |
17,339,543
+17,238
| +0.1% | +$914K | 4.01% | 2 |
|
|
2019
Q3 | $805M | Buy |
17,322,305
+1,128,216
| +7% | +$48.1M | 3.44% | 2 |
|
|
2019
Q2 | $634M | Sell |
16,194,089
-220,794
| -1% | -$9.09M | 2.66% | 2 |
|
|
2019
Q1 | $672M | Buy |
16,414,883
+3,021
| +0% | +$115K | 2.83% | 2 |
|
|
2018
Q4 | $606M | Sell |
16,411,862
-817,046
| -5% | -$31.1M | 3.01% | 2 |
|
|
2018
Q3 | $761M | Buy |
17,228,908
+686,406
| +4% | +$28.4M | 2.63% | 2 |
|
|
2018
Q2 | $605M | Sell |
16,542,502
-1,587,241
| -9% | -$62.7M | 2.25% | 3 |
|
|
2018
Q1 | $793M | Buy |
18,129,743
+752,359
| +4% | +$32.8M | 3.03% | 2 |
|
|
2017
Q4 | $689M | Sell |
17,377,384
-2,185,874
| -11% | -$88.6M | 2.68% | 2 |
|
|
2017
Q3 | $735M | Buy |
19,563,258
+2,733,285
| +16% | +$99.8M | 2.63% | 2 |
|
|
2017
Q2 | $588M | Sell |
16,829,973
-836,710
| -5% | -$28.9M | 2.14% | 2 |
|
|
2017
Q1 | $580M | Sell |
17,666,683
-2,286,385
| -11% | -$71.4M | 2.19% | 2 |
|
|
2016
Q4 | $574M | Sell |
19,953,068
-1,149,507
| -5% | -$34.6M | 2.29% | 1 |
|
|
2016
Q3 | $646M | Buy |
21,102,575
+708,569
| +3% | +$20.3M | 2.44% | 1 |
|
|
2016
Q2 | $535M | Sell |
20,394,006
-2,166,770
| -10% | -$54.1M | 2.11% | 1 |
|
|
2016
Q1 | $591M | Sell |
22,560,776
-1,266,432
| -5% | -$29.6M | 2.34% | 1 |
|
|
2015
Q4 | $542M | Buy |
23,827,208
+8,585,472
| +56% | +$193M | 2.2% | 1 |
|
|
2015
Q3 | $316M | Buy |
+15,241,736
| New | +$320M | 0.65% | 9 |
|
Other funds holding TSM
William Blair Investment Management's TSM Position: Q1 2026 in Review
William Blair Investment Management reduced its TSMC (TSM) stake by 7.8% in Q1 2026, selling an estimated $161M and leaving 5,518,260 shares worth $1.87B. The position accounts for 6.16% of the portfolio, ranked #1.
William Blair Investment Management first reported a position in TSM in Q3 2015 and has held it in 43 quarters since. 3,256 funds tracked by Wall St. Rank hold TSM as of Q1 2026.
- William Blair Investment Management held 5,518,260 shares of TSMC worth $1.87B as of Q1 2026.
- William Blair Investment Management sold 467,070 TSMC shares in Q1 2026, an estimated $161M.
- TSMC made up 6.16% of William Blair Investment Management's portfolio in Q1 2026, its #1 holding.
- William Blair Investment Management first reported a position in TSMC in Q3 2015 and has held it in 43 quarters since.
- 3,256 funds tracked by Wall St. Rank held TSMC as of Q1 2026.
Based on William Blair Investment Management's 13F filing for Q1 2026, filed 8 May 2026.