William Blair Investment Management
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William Blair Investment Management’s TSMC TSM Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.5B Sell
6,622,255
-739,428
-10% -$168M 3.98% 3
2025
Q1
$1.22B Sell
7,361,683
-360,357
-5% -$59.8M 3.43% 3
2024
Q4
$1.52B Sell
7,722,040
-496,086
-6% -$98M 3.72% 3
2024
Q3
$1.43B Sell
8,218,126
-675,220
-8% -$117M 3.52% 3
2024
Q2
$1.55B Sell
8,893,346
-612,140
-6% -$106M 4.06% 3
2024
Q1
$1.29B Sell
9,505,486
-1,723,715
-15% -$235M 3.34% 2
2023
Q4
$1.17B Sell
11,229,201
-550,943
-5% -$57.3M 3.4% 2
2023
Q3
$1.02B Buy
11,780,144
+355,609
+3% +$30.9M 3.4% 2
2023
Q2
$1.15B Buy
11,424,535
+233,387
+2% +$23.6M 3.7% 2
2023
Q1
$1.04B Buy
11,191,148
+1,428,917
+15% +$133M 3.63% 1
2022
Q4
$727M Buy
9,762,231
+615,611
+7% +$45.9M 2.78% 2
2022
Q3
$627M Sell
9,146,620
-257,599
-3% -$17.7M 2.48% 2
2022
Q2
$769M Sell
9,404,219
-1,376,903
-13% -$113M 2.85% 2
2022
Q1
$1.12B Sell
10,781,122
-529,883
-5% -$55.2M 3.36% 1
2021
Q4
$1.36B Buy
11,311,005
+298,322
+3% +$35.9M 3.68% 1
2021
Q3
$1.23B Buy
11,012,683
+177,950
+2% +$19.9M 3.47% 1
2021
Q2
$1.3B Buy
10,834,733
+495,832
+5% +$59.6M 4.09% 1
2021
Q1
$1.22B Sell
10,338,901
-1,893,220
-15% -$224M 3.96% 1
2020
Q4
$1.33B Sell
12,232,121
-1,098,832
-8% -$120M 4.44% 1
2020
Q3
$1.08B Sell
13,330,953
-1,642,237
-11% -$133M 4.21% 1
2020
Q2
$850M Sell
14,973,190
-2,346,045
-14% -$133M 3.46% 1
2020
Q1
$828M Sell
17,319,235
-20,308
-0.1% -$971K 4.03% 2
2019
Q4
$1.01B Buy
17,339,543
+17,238
+0.1% +$1M 4.01% 2
2019
Q3
$805M Buy
17,322,305
+1,128,216
+7% +$52.4M 3.44% 2
2019
Q2
$634M Sell
16,194,089
-220,794
-1% -$8.65M 2.66% 2
2019
Q1
$672M Buy
16,414,883
+3,021
+0% +$124K 2.83% 2
2018
Q4
$606M Sell
16,411,862
-817,046
-5% -$30.2M 3.01% 2
2018
Q3
$761M Buy
17,228,908
+686,406
+4% +$30.3M 2.63% 2
2018
Q2
$605M Sell
16,542,502
-1,587,241
-9% -$58M 2.25% 3
2018
Q1
$793M Buy
18,129,743
+752,359
+4% +$32.9M 3.03% 2
2017
Q4
$689M Sell
17,377,384
-2,185,874
-11% -$86.7M 2.68% 2
2017
Q3
$735M Buy
19,563,258
+2,733,285
+16% +$103M 2.63% 2
2017
Q2
$588M Sell
16,829,973
-836,710
-5% -$29.3M 2.14% 2
2017
Q1
$580M Sell
17,666,683
-2,286,385
-11% -$75.1M 2.19% 2
2016
Q4
$574M Sell
19,953,068
-1,149,507
-5% -$33M 2.29% 1
2016
Q3
$646M Buy
21,102,575
+708,569
+3% +$21.7M 2.44% 1
2016
Q2
$535M Sell
20,394,006
-2,166,770
-10% -$56.8M 2.11% 1
2016
Q1
$591M Sell
22,560,776
-1,266,432
-5% -$33.2M 2.34% 1
2015
Q4
$542M Buy
23,827,208
+8,585,472
+56% +$195M 2.2% 1
2015
Q3
$316M Buy
+15,241,736
New +$316M 0.65% 9