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WELLINGTON MANAGEMENT GROUP LLP

Position in AMKR — Amkor Technology, Inc.

CIK 902219 Boston, MA

Position in AMKR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$13,920,302
-$3,414,811 QoQ
Shares Held
309,134
-29.6% QoQ
Ownership
0.125%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 75.96220409272354.ToString("F0")% None 24.037795907276458.ToString("F0")%

Common Shares in AMKR Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $3,755,988,472 across 14 Semiconductor Equipment & Materials names. AMKR ranks #10 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMKR

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17 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $13,920,302 309,134
2025-12-31 $17,335,113 439,086
2025-09-30 $18,738,489 659,806
2025-06-30 $5,958,682 283,882
2025-03-31 $8,614,473 476,992
2024-12-31 $39,288,947 1,529,348
2024-09-30 $34,703,642 1,134,106
2024-06-30 $7,297,326 182,342
2024-03-31 $6,186,469 191,888
2023-12-31 $6,681,713 200,833
2023-09-30 $4,280,010 189,381
2022-09-30 $655,470 38,444
2022-06-30 $454,107 26,791
2022-03-31 $581,900 26,791
2020-09-30 $527,732 47,119
2020-06-30 $348,680 28,325
2020-03-31 $309,612 39,745