William Blair & Company’s ASML ASML Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$16.4M Buy
12,412
+141
+1% +$193K 0.05% 267
2025
Q4
$13.1M Buy
12,271
+8
+0.1% +$8.35K 0.04% 306
2025
Q3
$11.9M Sell
12,263
-813
-6% -$639K 0.03% 321
2025
Q2
$10.5M Buy
13,076
+3,060
+31% +$2.2M 0.03% 335
2025
Q1
$6.64M Buy
10,016
+2,079
+26% +$1.51M 0.02% 415
2024
Q4
$5.5M Sell
7,937
-9,640
-55% -$6.92M 0.02% 471
2024
Q3
$14.6M Buy
17,577
+1,396
+9% +$1.25M 0.04% 283
2024
Q2
$16.5M Buy
16,181
+1,711
+12% +$1.64M 0.05% 244
2024
Q1
$14M Sell
14,470
-52
-0.4% -$46.1K 0.04% 278
2023
Q4
$11M Buy
14,522
+746
+5% +$493K 0.04% 300
2023
Q3
$8.11M Buy
13,776
+360
+3% +$239K 0.03% 341
2023
Q2
$9.72M Sell
13,416
-157
-1% -$107K 0.04% 315
2023
Q1
$9.24M Buy
13,573
+5,508
+68% +$3.54M 0.04% 317
2022
Q4
$4.41M Buy
8,065
+622
+8% +$326K 0.02% 450
2022
Q3
$3.09M Sell
7,443
-59
-0.8% -$29.6K 0.01% 524
2022
Q2
$3.57M Buy
7,502
+1,111
+17% +$620K 0.02% 497
2022
Q1
$4.23M Buy
6,391
+336
+6% +$225K 0.01% 505
2021
Q4
$4.82M Buy
6,055
+504
+9% +$400K 0.02% 482
2021
Q3
$4.14M Buy
5,551
+312
+6% +$245K 0.01% 500
2021
Q2
$3.62M Buy
5,239
+1,709
+48% +$1.13M 0.01% 539
2021
Q1
$2.18M Buy
3,530
+1,268
+56% +$703K 0.01% 666
2020
Q4
$1.1M Sell
2,262
-204
-8% -$85.8K ﹤0.01% 817
2020
Q3
$911K Buy
2,466
+159
+7% +$59.4K ﹤0.01% 783
2020
Q2
$849K Sell
2,307
-100
-4% -$31.4K ﹤0.01% 766
2020
Q1
$630K Buy
2,407
+1,102
+84% +$314K ﹤0.01% 804
2019
Q4
$386K Sell
1,305
-7
-0.5% -$1.89K ﹤0.01% 1088
2019
Q3
$326K Buy
1,312
+175
+15% +$39.4K ﹤0.01% 1086
2019
Q2
$236K Hold
1,137
﹤0.01% 1238
2019
Q1
$214K Buy
+1,137
New +$201K ﹤0.01% 1276
2018
Q4
Sell
-1,142
Closed -$215K 1659
2018
Q3
$215K Sell
1,142
-8
-0.7% -$1.6K ﹤0.01% 1264
2018
Q2
$228K Sell
1,150
-175
-13% -$35.1K ﹤0.01% 1227
2018
Q1
$263K Buy
+1,325
New +$261K ﹤0.01% 1117

Other funds holding ASML

William Blair & Company's ASML Position: Q1 2026 in Review

William Blair & Company increased its ASML (ASML) stake by 1.1% in Q1 2026, buying an estimated $193K and bringing the position to 12,412 shares worth $16.4M. The position accounts for 0.05% of the portfolio, ranked #267.

William Blair & Company first reported a position in ASML in Q1 2018 and has held it in 32 quarters since. The position peaked at $16.5M in Q2 2024. 2,190 funds tracked by Wall St. Rank hold ASML as of Q1 2026.

  • William Blair & Company held 12,412 shares of ASML worth $16.4M as of Q1 2026.
  • William Blair & Company bought 141 ASML shares in Q1 2026, an estimated $193K.
  • ASML made up 0.05% of William Blair & Company's portfolio in Q1 2026, its #267 holding.
  • William Blair & Company first reported a position in ASML in Q1 2018 and has held it in 32 quarters since.
  • William Blair & Company's ASML position peaked at $16.5M in Q2 2024.
  • 2,190 funds tracked by Wall St. Rank held ASML as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.