Position in ACMR
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$425,009,934
+$338,289,185 QoQ
Shares Held
3,349,436
+52.0% QoQ
Ownership
4.81%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#2
of 376 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in ACMR Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026VANGUARD PORTFOLIO MANAGEMENT LLC holds $54,366,686,702 across 25 Semiconductor Equipment & Materials names. ACMR ranks #11 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
36,635,534 | $15,875,275,948 | |
| 2 | AMAT |
Applied Materials Inc /De
|
18,553,307 | $13,414,040,961 | |
| 3 | KLAC |
Kla Corp
|
39,388,674 | $11,883,956,832 | |
| 4 | TER |
Teradyne, Inc
|
8,633,782 | $4,177,369,082 | |
| 5 | Q |
Qnity Electronics, Inc.
|
10,213,503 | $1,667,967,174 | |
| 6 | ENTG |
Entegris Inc
|
7,784,532 | $1,400,125,925 | |
| 7 | ONTO |
Onto Innovation Inc.
|
2,727,910 | $1,032,377,539 | |
| 8 | FORM |
Formfactor Inc
|
5,242,203 | $838,385,525 |
All Filings in ACMR
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $425,009,934 | 3,349,436 | Shares | Defined | 2026-08-13 | |
| 2026-06-30 | $432,075,169 | 3,405,116 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $86,720,749 | 2,203,831 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||