Boston Partners’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 | $83.3M | Sell |
565,770
-23,220
| -4% | -$3.4M | 0.09% | 223 |
|
|
2025
Q4 | $71.7M | Sell |
588,990
-240,010
| -29% | -$28.2M | 0.07% | 238 |
|
|
2025
Q3 | $89.4M | Sell |
829,000
-69,920
| -8% | -$6.52M | 0.09% | 222 |
|
|
2025
Q2 | $80.5M | Sell |
898,920
-10,640
| -1% | -$800K | 0.09% | 223 |
|
|
2025
Q1 | $61.8M | Sell |
909,560
-4,150
| -0.5% | -$299K | 0.07% | 224 |
|
|
2024
Q4 | $57.7M | Sell |
913,710
-11,480
| -1% | -$776K | 0.07% | 225 |
|
|
2024
Q3 | $71.6M | Sell |
925,190
-6,150
| -0.7% | -$483K | 0.08% | 223 |
|
|
2024
Q2 | $76.8M | Sell |
931,340
-31,030
| -3% | -$2.29M | 0.1% | 220 |
|
|
2024
Q1 | $67.2M | Sell |
962,370
-22,880
| -2% | -$1.47M | 0.08% | 230 |
|
|
2023
Q4 | $57.3M | Sell |
985,250
-2,082,010
| -68% | -$108M | 0.08% | 243 |
|
|
2023
Q3 | $141M | Sell |
3,067,260
-38,340
| -1% | -$1.84M | 0.19% | 159 |
|
|
2023
Q2 | $151M | Sell |
3,105,600
-80,910
| -3% | -$3.38M | 0.2% | 157 |
|
|
2023
Q1 | $127M | Sell |
3,186,510
-670,740
| -17% | -$26.4M | 0.17% | 163 |
|
|
2022
Q4 | $145M | Sell |
3,857,250
-53,820
| -1% | -$1.88M | 0.2% | 154 |
|
|
2022
Q3 | $118M | Sell |
3,911,070
-6,716,370
| -63% | -$233M | 0.17% | 164 |
|
|
2022
Q2 | $341M | Buy |
10,627,440
+2,350,050
| +28% | +$79M | 0.48% | 70 |
|
|
2022
Q1 | $303M | Buy |
8,277,390
+42,910
| +0.5% | +$1.6M | 0.37% | 92 |
|
|
2021
Q4 | $354M | Sell |
8,234,480
-938,150
| -10% | -$36.2M | 0.43% | 76 |
|
|
2021
Q3 | $307M | Sell |
9,172,630
-710,640
| -7% | -$23.7M | 0.39% | 90 |
|
|
2021
Q2 | $320M | Sell |
9,883,270
-2,162,110
| -18% | -$69.3M | 0.41% | 81 |
|
|
2021
Q1 | $398M | Sell |
12,045,380
-1,756,000
| -13% | -$52.9M | 0.53% | 56 |
|
|
2020
Q4 | $357M | Sell |
13,801,380
-2,655,180
| -16% | -$61.9M | 0.56% | 60 |
|
|
2020
Q3 | $319M | Sell |
16,456,560
-6,796,620
| -29% | -$134M | 0.58% | 55 |
|
|
2020
Q2 | $452M | Sell |
23,253,180
-2,082,480
| -8% | -$35.6M | 0.83% | 29 |
|
|
2020
Q1 | $364M | Sell |
25,335,660
-2,975,920
| -11% | -$47.9M | 0.72% | 37 |
|
|
2019
Q4 | $505M | Sell |
28,311,580
-2,196,750
| -7% | -$36.8M | 0.67% | 46 |
|
|
2019
Q3 | $487M | Buy |
30,508,330
+17,398,820
| +133% | +$243M | 0.66% | 48 |
|
|
2019
Q2 | $155M | Buy |
13,109,510
+459,660
| +4% | +$5.32M | 0.2% | 149 |
|
|
2019
Q1 | $151M | Sell |
12,649,850
-3,268,380
| -21% | -$35.2M | 0.2% | 148 |
|
|
2018
Q4 | $142M | Sell |
15,918,230
-2,362,860
| -13% | -$22M | 0.2% | 139 |
|
|
2018
Q3 | $186M | Sell |
18,281,090
-2,648,130
| -13% | -$28.9M | 0.22% | 131 |
|
|
2018
Q2 | $215M | Buy |
20,929,220
+290,200
| +1% | +$3.16M | 0.26% | 124 |
|
|
2018
Q1 | $225M | Sell |
20,639,020
-3,401,670
| -14% | -$37.9M | 0.27% | 113 |
|
|
2017
Q4 | $253M | Sell |
24,040,690
-1,327,410
| -5% | -$14M | 0.3% | 111 |
|
|
2017
Q3 | $269M | Sell |
25,368,100
-74,250
| -0.3% | -$709K | 0.33% | 105 |
|
|
2017
Q2 | $233M | Sell |
25,442,350
-2,554,840
| -9% | -$25.5M | 0.3% | 113 |
|
|
2017
Q1 | $266M | Sell |
27,997,190
-457,100
| -2% | -$4.03M | 0.34% | 99 |
|
|
2016
Q4 | $224M | Buy |
28,454,290
+25,917,770
| +1,022% | +$198M | 0.29% | 118 |
|
|
2016
Q3 | $17.7M | Buy |
+2,536,520
| New | +$18.3M | 0.02% | 339 |
|
Other funds holding KLAC
VCM
VPM
Boston Partners's KLAC Position: Q1 2026 in Review
Boston Partners reduced its KLA (KLAC) stake by 3.9% in Q1 2026, selling an estimated $3.4M and leaving 565,770 shares worth $83.3M. The position accounts for 0.09% of the portfolio, ranked #223.
Boston Partners first reported a position in KLAC in Q3 2016 and has held it in 39 quarters since. The position peaked at $505M in Q4 2019. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.
- Boston Partners held 565,770 shares of KLA worth $83.3M as of Q1 2026.
- Boston Partners sold 23,220 KLA shares in Q1 2026, an estimated $3.4M.
- KLA made up 0.09% of Boston Partners's portfolio in Q1 2026, its #223 holding.
- Boston Partners first reported a position in KLA in Q3 2016 and has held it in 39 quarters since.
- Boston Partners's KLA position peaked at $505M in Q4 2019.
- 2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.
Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.