Skip to main content

SEI INVESTMENTS CO

Position in AMKR — Amkor Technology, Inc.

CIK 350894 OAKS, PA

Position in AMKR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$29,412,966
+$11,319,238 QoQ
Shares Held
341,099
-15.1% QoQ
Ownership
0.138%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#50
of 642 holders
Holding Since
Mar 2020
25 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, 2026

SEI INVESTMENTS CO holds $2,174,893,042 across 28 Semiconductor Equipment & Materials names. AMKR ranks #9 (1.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMKR

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $29,412,966 341,099
2026-03-31 $18,093,728 401,815
2025-12-31 $11,855,526 300,292
2025-09-30 $6,880,836 242,283
2025-06-30 $4,107,133 195,671
2025-03-31 $7,734,302 428,256
2024-12-31 $14,793,559 575,849
2024-09-30 $15,790,425 516,027
2024-06-30 $11,098,185 277,316
2024-03-31 $2,412,680 74,835
2023-12-31 $1,320,086 39,678
2023-09-30 $3,034,411 134,266
2023-06-30 $4,029,607 135,449
2023-03-31 $4,988,189 191,706
2022-12-31 $2,461,426 102,645
2022-09-30 $1,575,726 92,418
2022-06-30 $1,619,503 95,546
2022-03-31 $2,113,985 97,329
2021-12-31 $2,439,880 98,422
2021-09-30 $2,532,648 101,509
2021-03-31 $484,940 20,453
2020-12-31 $648,635 43,013
2020-09-30 $1,147,697 102,473
2020-06-30 $999,041 81,157
2020-03-31 $857,717 110,105