Position in Q
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$111,977,905
+$32,534,578 QoQ
Shares Held
970,514
-0.3% QoQ
Ownership
0.464%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 96%
Shared 0%
None 4%
Common Shares in Q Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026PRIMECAP MANAGEMENT CO/CA/ holds $2,106,043,585 across 9 Semiconductor Equipment & Materials names. Q ranks #7 (5.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASML |
Asml Holding NV
|
353,076 | $466,353,373 | |
| 2 | AMAT |
Applied Materials Inc /De
|
1,174,126 | $401,304,525 | |
| 3 | ENTG |
Entegris Inc
|
3,142,833 | $368,465,740 | |
| 4 | KLAC |
Kla Corp
|
2,437,647 | $358,921,581 | |
| 5 | FORM |
Formfactor Inc
|
1,788,644 | $173,480,581 | |
| 6 | TER |
Teradyne, Inc
|
550,610 | $163,233,840 | |
| 7 | Q |
Qnity Electronics, Inc.
This page
|
970,514 | $111,977,905 | |
| 8 | ACLS |
Axcelis Technologies Inc
|
658,652 | $61,307,328 |
All Filings in Q
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $111,977,905 | 970,514 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $79,443,327 | 972,974 | Shares | Sole | 2026-02-11 | |
| No filing history on record for this holder in this stock. | ||||||