Marshall Wace’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 | $135M | Buy |
915,610
+907,220
| +10,813% | +$133M | 0.13% | 114 |
|
|
2025
Q4 | $1.02M | Buy |
+8,390
| New | +$984K | ﹤0.01% | 1911 |
|
|
2025
Q3 | – | Sell |
-1,150,000
| Closed | -$103M | – | 3162 |
|
|
2025
Q2 | $103M | Buy |
+1,150,000
| New | +$86.5M | 0.12% | 160 |
|
|
2024
Q4 | – | Sell |
-270,280
| Closed | -$20.9M | – | 2801 |
|
|
2024
Q3 | $20.9M | Buy |
+270,280
| New | +$21.2M | 0.03% | 496 |
|
|
2024
Q2 | – | Sell |
-7,800
| Closed | -$545K | – | 2748 |
|
|
2024
Q1 | $545K | Sell |
7,800
-342,200
| -98% | -$22M | ﹤0.01% | 1898 |
|
|
2023
Q4 | $20.3M | Buy |
+350,000
| New | +$18.2M | 0.03% | 481 |
|
|
2023
Q3 | – | Sell |
-104,560
| Closed | -$5.07M | – | 2457 |
|
|
2023
Q2 | $5.07M | Buy |
104,560
+65,290
| +166% | +$2.73M | 0.01% | 1016 |
|
|
2023
Q1 | $1.57M | Sell |
39,270
-68,640
| -64% | -$2.71M | ﹤0.01% | 1591 |
|
|
2022
Q4 | $4.07M | Sell |
107,910
-303,090
| -74% | -$10.6M | 0.01% | 1323 |
|
|
2022
Q3 | $12.4M | Buy |
411,000
+299,130
| +267% | +$10.4M | 0.03% | 724 |
|
|
2022
Q2 | $3.57M | Sell |
111,870
-1,039,490
| -90% | -$35M | 0.01% | 1601 |
|
|
2022
Q1 | $42.1M | Sell |
1,151,360
-695,240
| -38% | -$26M | 0.08% | 274 |
|
|
2021
Q4 | $79.4M | Buy |
1,846,600
+1,716,470
| +1,319% | +$66.2M | 0.15% | 132 |
|
|
2021
Q3 | $4.35M | Buy |
130,130
+78,730
| +153% | +$2.63M | 0.02% | 1017 |
|
|
2021
Q2 | $1.67M | Buy |
+51,400
| New | +$1.65M | 0.01% | 1528 |
|
|
2020
Q1 | – | Sell |
-206,460
| Closed | -$3.68M | – | 1863 |
|
|
2019
Q4 | $3.68M | Buy |
+206,460
| New | +$3.46M | 0.03% | 634 |
|
|
2019
Q3 | – | Sell |
-417,220
| Closed | -$4.93M | – | 1798 |
|
|
2019
Q2 | $4.93M | Sell |
417,220
-396,670
| -49% | -$4.59M | 0.04% | 488 |
|
|
2019
Q1 | $9.72M | Sell |
813,890
-1,030,500
| -56% | -$11.1M | 0.09% | 267 |
|
|
2018
Q4 | $16.5M | Buy |
1,844,390
+1,490,630
| +421% | +$13.9M | 0.17% | 137 |
|
|
2018
Q3 | $3.6M | Sell |
353,760
-246,280
| -41% | -$2.69M | 0.03% | 537 |
|
|
2018
Q2 | $6.15M | Buy |
+600,040
| New | +$6.52M | 0.09% | 258 |
|
|
2017
Q1 | – | Sell |
-9,803,470
| Closed | -$77.1M | – | 539 |
|
|
2016
Q4 | $77.1M | Sell |
9,803,470
-534,290
| -5% | -$4.08M | 0.51% | 41 |
|
|
2016
Q3 | $72.1M | Buy |
10,337,760
+8,357,010
| +422% | +$60.2M | 0.51% | 43 |
|
|
2016
Q2 | $14.5M | Buy |
1,980,750
+1,211,700
| +158% | +$8.69M | 0.12% | 187 |
|
|
2016
Q1 | $5.6M | Buy |
+769,050
| New | +$5.17M | 0.05% | 325 |
|
|
2015
Q4 | – | Sell |
-293,460
| Closed | -$1.47M | – | 1049 |
|
|
2015
Q3 | $1.47M | Buy |
+293,460
| New | +$1.51M | 0.02% | 534 |
|
Other funds holding KLAC
VCM
VPM
Marshall Wace's KLAC Position: Q1 2026 in Review
Marshall Wace increased its KLA (KLAC) stake by 10,813% in Q1 2026, buying an estimated $133M and bringing the position to 915,610 shares worth $135M. The position accounts for 0.13% of the portfolio, ranked #114.
Marshall Wace first reported a position in KLAC in Q3 2015 and has held it in 26 quarters since. 2,063 funds tracked by Wall St. Rank hold KLAC as of Q1 2026.
- Marshall Wace held 915,610 shares of KLA worth $135M as of Q1 2026.
- Marshall Wace bought 907,220 KLA shares in Q1 2026, an estimated $133M.
- KLA made up 0.13% of Marshall Wace's portfolio in Q1 2026, its #114 holding.
- Marshall Wace first reported a position in KLA in Q3 2015 and has held it in 26 quarters since.
- 2,063 funds tracked by Wall St. Rank held KLA as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.