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RHUMBLINE ADVISERS

Position in AMKR — Amkor Technology, Inc.

CIK 1115418 BOSTON, MA

Position in AMKR

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$27,220,137
+$13,052,979 QoQ
Shares Held
315,669
+0.3% QoQ
Ownership
0.127%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#54
of 642 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 53% Shared 0% None 47%

Common Shares in AMKR Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $3,288,249,694 across 28 Semiconductor Equipment & Materials names. AMKR ranks #8 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 AMKR
Amkor Technology, Inc.
This page
315,669 $27,220,137

All Filings in AMKR

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $27,220,137 315,669
2026-03-31 $14,167,158 314,616
2025-12-31 $11,968,519 303,154
2025-09-30 $8,970,310 315,856
2025-06-30 $6,772,486 322,653
2024-09-30 $9,713,847 317,446
2024-06-30 $12,052,823 301,170
2024-03-31 $12,079,715 374,681
2023-12-31 $12,316,054 370,185
2023-09-30 $8,040,808 355,788
2023-06-30 $10,407,026 349,816
2023-03-31 $9,084,987 349,154
2022-12-31 $8,372,712 349,154
2022-09-30 $5,907,466 346,479
2022-06-30 $5,666,283 334,294
2022-03-31 $6,669,212 307,054
2021-12-31 $7,639,806 308,181
2021-09-30 $7,746,775 310,492
2021-06-30 $7,682,997 324,588
2021-03-31 $7,706,224 325,020
2020-12-31 $2,508,090 166,319
2020-09-30 $1,893,001 169,018
2020-06-30 $2,445,356 198,648
2020-03-31 $1,517,305 194,776