CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in AMKR — Amkor Technology, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in AMKR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$158,019,492
+$63,387,236 QoQ
Shares Held
1,832,535
-12.8% QoQ
Ownership
0.739%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#14
of 642 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMKR Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $12,324,123,598 across 27 Semiconductor Equipment & Materials names. AMKR ranks #9 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
4,969,702 | $3,593,094,546 | |
| 2 | LRCX |
Lam Research Corp
|
7,698,872 | $3,336,152,203 | |
| 3 | KLAC |
Kla Corp
|
10,416,170 | $3,142,662,650 | |
| 4 | TER |
Teradyne, Inc
|
1,014,857 | $491,028,410 | |
| 5 | Q |
Qnity Electronics, Inc.
|
1,505,919 | $245,931,631 | |
| 6 | ENTG |
Entegris Inc
|
1,221,521 | $219,702,766 | |
| 7 | ONTO |
Onto Innovation Inc.
|
509,528 | $192,830,871 | |
| 8 | ASML |
Asml Holding NV
|
88,615 | $176,294,215 |
All Filings in AMKR
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $158,019,492 | 1,832,535 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $94,632,256 | 2,101,538 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $82,882,298 | 2,099,349 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $62,342,714 | 2,195,166 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $45,201,776 | 2,153,491 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $37,782,928 | 2,092,078 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $51,541,153 | 2,006,273 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $57,494,707 | 1,878,912 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $71,663,253 | 1,790,686 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $62,541,441 | 1,939,871 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $61,626,320 | 1,852,309 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $38,659,198 | 1,710,584 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $41,608,885 | 1,398,618 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $36,686,899 | 1,409,950 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $33,443,898 | 1,394,658 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $23,815,627 | 1,396,811 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $22,364,982 | 1,319,468 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $28,200,031 | 1,298,344 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $29,941,833 | 1,207,819 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $30,523,505 | 1,223,387 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $30,688,012 | 1,296,494 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $30,893,655 | 1,302,980 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $20,037,580 | 1,328,752 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $14,894,387 | 1,329,856 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $16,764,151 | 1,361,832 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $11,825,757 | 1,518,069 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||