Position in KLAC
as of Jun 30, 2026
· filed Aug 4, 2026
Position Value
$54,733,210
-$28,571,328 QoQ
Shares Held
181,410
-67.9% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#345
of 2,471 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 41%
Shared 0%
None 59%
Common Shares in KLAC Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Boston Partners holds $2,530,530,346 across 10 Semiconductor Equipment & Materials names. KLAC ranks #7 (2.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
2,636,446 | $1,906,150,458 | |
| 2 | UCTT |
Ultra Clean Holdings, Inc.
|
1,360,211 | $193,952,485 | |
| 3 | Q |
Qnity Electronics, Inc.
|
807,514 | $131,875,109 | |
| 4 | LRCX |
Lam Research Corp
|
151,632 | $65,706,693 | |
| 5 | ONTO |
Onto Innovation Inc.
|
168,339 | $63,707,893 | |
| 6 | ACLS |
Axcelis Technologies Inc
|
303,929 | $57,579,348 | |
| 7 | KLAC |
Kla Corp
This page
|
181,410 | $54,733,210 | |
| 8 | VECO |
Veeco Instruments Inc
|
460,965 | $34,941,145 |
All Filings in KLAC
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $54,733,210 | 181,410 | Shares | Other | 2026-08-04 | |
| 2026-03-31 | $83,304,538 | 56,577 | Shares | Other | 2026-05-11 | |
| 2025-12-31 | $71,566,996 | 58,899 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $89,415,940 | 82,900 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $80,519,859 | 89,892 | Shares | Other | 2025-08-12 | |
| 2025-03-31 | $61,831,888 | 90,956 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $57,574,693 | 91,371 | Shares | Other | 2025-02-11 | |
| 2024-09-30 | $71,647,637 | 92,519 | Shares | Other | 2024-11-12 | |
| 2024-06-30 | $76,789,913 | 93,134 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $67,228,280 | 96,237 | Shares | Defined | 2024-05-28 | |
| 2023-12-31 | $57,272,582 | 98,525 | Shares | Defined | 2024-02-07 | |
| 2023-09-30 | $140,682,946 | 306,726 | Shares | Defined | 2023-11-08 | |
| 2023-06-30 | $150,627,809 | 310,560 | Shares | Other | 2023-08-10 | |
| 2023-03-31 | $127,195,918 | 318,651 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $145,429,895 | 385,725 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $118,360,710 | 391,107 | Shares | Other | 2022-11-09 | |
| 2022-06-30 | $339,100,353 | 1,062,744 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $303,002,137 | 827,739 | Shares | Other | 2022-05-10 | |
| 2021-12-31 | $354,173,218 | 823,448 | Shares | Defined | 2022-02-04 | |
| 2021-09-30 | $306,833,644 | 917,263 | Shares | Defined | 2021-11-05 | |
| 2021-06-30 | $320,425,495 | 988,327 | Shares | Defined | 2021-08-12 | |
| 2021-03-31 | $397,979,354 | 1,204,538 | Shares | Defined | 2021-05-10 | |
| 2020-12-31 | $357,331,527 | 1,380,138 | Shares | Other | 2021-02-10 | |
| 2020-09-30 | $318,829,392 | 1,645,656 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $452,227,842 | 2,325,318 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $364,174,774 | 2,533,566 | Shares | Defined | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||