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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in KLAC — Kla Corp

CIK 912938 Boston, MA

Position in KLAC

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$4,425,723,945
+$2,008,564,157 QoQ
Shares Held
14,668,801
-10.6% QoQ
Ownership
1.12%
of shares outstanding
% of Portfolio
1.50%
of 13F equity value
Holder Rank
#18
of 2,485 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 79% Shared 17% None 3%

Common Shares in KLAC Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $6,850,708,177 across 12 Semiconductor Equipment & Materials names. KLAC ranks #1 (64.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KLAC
Kla Corp
This page
14,668,801 $4,425,723,945

All Filings in KLAC

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,425,723,945 14,668,801
2026-03-31 $2,417,159,788 1,641,635
2025-12-31 $2,114,338,834 1,740,082
2025-09-30 $2,027,462,753 1,879,717
2025-06-30 $1,692,831,255 1,889,869
2025-03-31 $1,155,448,581 1,699,689
2024-12-31 $1,291,595,399 2,049,761
2024-09-30 $2,017,056,161 2,604,636
2024-06-30 $2,318,329,180 2,811,766
2024-03-31 $1,944,535,257 2,783,594
2023-12-31 $1,950,199,298 3,354,893
2023-09-30 $1,535,928,041 3,348,729
2023-06-30 $1,661,345,308 3,425,313
2023-03-31 $1,309,805,299 3,281,322
2022-12-31 $1,046,191,512 2,774,823
2022-09-30 $857,518,141 2,833,553
2022-06-30 $496,775,649 1,556,900
2022-03-31 $46,401,764 126,760
2021-12-31 $51,272,982 119,209
2021-09-30 $41,066,453 122,766
2021-06-30 $47,133,648 145,380
2021-03-31 $48,329,920 146,277
2020-12-31 $38,261,978 147,781
2020-09-30 $29,386,870 151,682
2020-06-30 $25,730,092 132,302