Position in KLAC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,219,469
+$2,380,249 QoQ
Shares Held
76,198
+4.7% QoQ
Ownership
0.058%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in KLAC Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $403,382,729 across 21 Semiconductor Equipment & Materials names. KLAC ranks #6 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
714,596 | $152,680,581 | |
| 2 | AMAT |
Applied Materials Inc /De
|
430,459 | $147,126,581 | |
| 3 | TER |
Teradyne, Inc
|
102,490 | $30,384,185 | |
| 4 | ONTO |
Onto Innovation Inc.
|
63,331 | $12,987,288 | |
| 5 | Q |
Qnity Electronics, Inc.
|
112,179 | $12,943,213 | |
| 6 | KLAC |
Kla Corp
This page
|
76,198 | $11,219,469 | |
| 7 | ENTG |
Entegris Inc
|
79,043 | $9,267,001 | |
| 8 | FORM |
Formfactor Inc
|
54,861 | $5,320,968 |
All Filings in KLAC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,219,469 | 76,198 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,839,220 | 72,746 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $7,704,439 | 71,430 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,682,309 | 74,601 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $5,427,999 | 79,847 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $4,967,803 | 78,839 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,172,434 | 79,705 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $6,114,401 | 74,158 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,150,556 | 73,730 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $4,197,392 | 72,207 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $3,500,080 | 76,311 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $5,362,672 | 110,566 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $4,433,022 | 111,056 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $3,224,888 | 85,534 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,392,501 | 79,057 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,167,379 | 99,266 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $4,104,960 | 112,139 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $5,332,073 | 123,970 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $5,677,036 | 169,712 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $4,358,646 | 134,439 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $4,575,214 | 138,475 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $3,495,181 | 134,996 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $2,599,332 | 134,166 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $3,412,948 | 175,491 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $2,246,095 | 156,261 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||