GATEWAY INVESTMENT ADVISERS LLC
Position in AMKR — Amkor Technology, Inc.
CIK 1114618
CINCINNATI, OH
Position in AMKR
as of Jun 30, 2026
· filed Jul 20, 2026
Position Value
$704,326
+$413,433 QoQ
Shares Held
8,168
+26.4% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#330
of 642 holders
Holding Since
Dec 2025
3 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, 2026GATEWAY INVESTMENT ADVISERS LLC holds $169,230,897 across 9 Semiconductor Equipment & Materials names. AMKR ranks #6 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
|
232,236 | $100,634,825 | |
| 2 | TER |
Teradyne, Inc
|
67,527 | $32,672,263 | |
| 3 | AMAT |
Applied Materials Inc /De
|
24,165 | $17,471,295 | |
| 4 | KLAC |
Kla Corp
|
46,946 | $14,164,077 | |
| 5 | ENTG |
Entegris Inc
|
12,948 | $2,328,827 | |
| 6 | AMKR |
Amkor Technology, Inc.
This page
|
8,168 | $704,326 | |
| 7 | ASML |
Asml Holding NV
|
296 | $588,874 | |
| 8 | ONTO |
Onto Innovation Inc.
|
941 | $356,121 |
All Filings in AMKR
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $704,326 | 8,168 | Shares | Sole | 2026-07-20 | |
| 2026-03-31 | $290,893 | 6,460 | Shares | Sole | 2026-04-13 | |
| 2025-12-31 | $279,321 | 7,075 | Shares | Sole | 2026-02-03 | |
| No filing history on record for this holder in this stock. | ||||||