William Blair & Company’s KLA KLAC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $47.2M | Buy |
320,800
+2,260
| +0.7% | +$331K | 0.14% | 147 |
|
|
2025
Q4 | $38.7M | Buy |
318,540
+5,840
| +2% | +$685K | 0.1% | 161 |
|
|
2025
Q3 | $33.7M | Sell |
312,700
-2,690
| -0.9% | -$251K | 0.09% | 170 |
|
|
2025
Q2 | $28.3M | Buy |
315,390
+5,810
| +2% | +$437K | 0.08% | 190 |
|
|
2025
Q1 | $21M | Sell |
309,580
-2,520
| -0.8% | -$182K | 0.06% | 209 |
|
|
2024
Q4 | $19.7M | Buy |
312,100
+1,860
| +0.6% | +$126K | 0.06% | 226 |
|
|
2024
Q3 | $24M | Buy |
310,240
+7,580
| +3% | +$595K | 0.07% | 206 |
|
|
2024
Q2 | $25M | Buy |
302,660
+11,430
| +4% | +$844K | 0.08% | 193 |
|
|
2024
Q1 | $20.3M | Buy |
291,230
+24,410
| +9% | +$1.57M | 0.06% | 209 |
|
|
2023
Q4 | $15.5M | Buy |
266,820
+6,340
| +2% | +$330K | 0.05% | 243 |
|
|
2023
Q3 | $11.9M | Buy |
260,480
+16,080
| +7% | +$771K | 0.05% | 279 |
|
|
2023
Q2 | $11.9M | Sell |
244,400
-9,320
| -4% | -$389K | 0.04% | 285 |
|
|
2023
Q1 | $10.1M | Buy |
253,720
+13,590
| +6% | +$536K | 0.04% | 303 |
|
|
2022
Q4 | $9.05M | Buy |
240,130
+4,990
| +2% | +$174K | 0.04% | 310 |
|
|
2022
Q3 | $7.12M | Sell |
235,140
-4,200
| -2% | -$145K | 0.03% | 341 |
|
|
2022
Q2 | $7.64M | Buy |
239,340
+13,680
| +6% | +$460K | 0.03% | 337 |
|
|
2022
Q1 | $8.26M | Buy |
225,660
+4,130
| +2% | +$154K | 0.03% | 356 |
|
|
2021
Q4 | $9.53M | Buy |
221,530
+44,620
| +25% | +$1.72M | 0.03% | 348 |
|
|
2021
Q3 | $5.92M | Buy |
176,910
+10,160
| +6% | +$339K | 0.02% | 427 |
|
|
2021
Q2 | $5.41M | Buy |
166,750
+4,100
| +3% | +$131K | 0.02% | 444 |
|
|
2021
Q1 | $5.37M | Sell |
162,650
-5,480
| -3% | -$165K | 0.02% | 438 |
|
|
2020
Q4 | $4.35M | Sell |
168,130
-180
| -0.1% | -$4.2K | 0.02% | 466 |
|
|
2020
Q3 | $3.26M | Buy |
168,310
+139,510
| +484% | +$2.76M | 0.01% | 483 |
|
|
2020
Q2 | $560K | Buy |
28,800
+4,600
| +19% | +$78.6K | ﹤0.01% | 903 |
|
|
2020
Q1 | $348K | Sell |
24,200
-12,990
| -35% | -$209K | ﹤0.01% | 973 |
|
|
2019
Q4 | $663K | Buy |
37,190
+14,950
| +67% | +$251K | ﹤0.01% | 897 |
|
|
2019
Q3 | $355K | Buy |
22,240
+990
| +5% | +$13.8K | ﹤0.01% | 1063 |
|
|
2019
Q2 | $251K | Sell |
21,250
-770
| -3% | -$8.9K | ﹤0.01% | 1218 |
|
|
2019
Q1 | $263K | Buy |
+22,020
| New | +$237K | ﹤0.01% | 1192 |
|
|
2018
Q1 | – | Sell |
-101,890
| Closed | -$1.07M | – | 1545 |
|
|
2017
Q4 | $1.07M | Buy |
101,890
+82,790
| +433% | +$873K | 0.01% | 730 |
|
|
2017
Q3 | $202K | Buy |
+19,100
| New | +$182K | ﹤0.01% | 1250 |
|
|
2014
Q4 | – | Sell |
-35,920
| Closed | -$282K | – | 2125 |
|
|
2014
Q3 | $282K | Hold |
35,920
| – | – | ﹤0.01% | 1863 |
|
|
2014
Q2 | $260K | Sell |
35,920
-170
| -0.5% | -$1.13K | ﹤0.01% | 1859 |
|
|
2014
Q1 | $250K | Buy |
+36,090
| New | +$233K | ﹤0.01% | 1821 |
|
Other funds holding KLAC
VCM
VPM
William Blair & Company's KLAC Position: Q1 2026 in Review
William Blair & Company increased its KLA (KLAC) stake by 0.71% in Q1 2026, buying an estimated $331K and bringing the position to 320,800 shares worth $47.2M. The position accounts for 0.14% of the portfolio, ranked #147.
William Blair & Company first reported a position in KLAC in Q1 2014 and has held it in 34 quarters since. 2,064 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.
- William Blair & Company held 320,800 shares of KLA worth $47.2M as of Q1 2026.
- William Blair & Company bought 2,260 KLA shares in Q1 2026, an estimated $331K.
- KLA made up 0.14% of William Blair & Company's portfolio in Q1 2026, its #147 holding.
- William Blair & Company first reported a position in KLA in Q1 2014 and has held it in 34 quarters since.
- 2,064 funds tracked by Wall St. Rank held KLA as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.