Amkor Technology, Inc.
MX ˙ BMV ˙ US0316521006
SecurityMX:AMKR / Amkor Technology, Inc.
InstitutionAtlas Capital Advisors Llc
Latest Disclosed Ownership24,572 shares
Latest Disclosed Value $ 1,106,477
Atlas Capital Advisors Llc reports 0.41% increase in ownership of AMKR / Amkor Technology, Inc.

On May 11, 2026 - Atlas Capital Advisors Llc filed a 13F-HR form disclosing ownership of 24,572 shares of Amkor Technology, Inc. (MX:AMKR) valued at $1,106,477 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 24,471 shares of Amkor Technology, Inc.. This represents a change in shares of 0.41% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F Amkor Technology Equity 031652100 24,572 101 0.41 1,106 14.49 0.1265
2026-02-13 2025-12-31 13F Amkor Technology Equity 031652100 24,471 24,138 7,248.65 966 16,000.00 0.1076
2025-08-12 2025-06-30 13F Amkor Technology Equity 031652100 333 -410 -55.18 7 -53.85 0.0009
2025-05-12 2025-03-31 13F Amkor Technology Equity 031652100 743 -3,278 -81.52 13 -87.38 0.0017
2025-02-12 2024-12-31 13F Amkor Technology Equity 031652100 4,021 -4,451 -52.54 103 -60.23 0.0131
2024-11-05 2024-09-30 13F Amkor Technology Equity 031652100 8,472 -9,014 -51.55 259 -62.95 0.0394
2024-11-05 2024-09-30 13F Amkor Technology Equity 031652100 8,472 259
2024-07-30 2024-06-30 13F Amkor Technology Equity 031652100 17,486 9,370 115.45 700 167.82 0.0909
2024-04-15 2024-03-31 13F Amkor Technology Equity 031652100 8,116 4,415 119.29 262 112.20 0.0409
2024-02-15 2023-12-31 13F Amkor Technology Equity 031652100 3,701 170 4.81 123 55.70 0.0178
2023-11-14 2023-09-30 13F Amkor Technology Equity 031652100 3,531 -13,442 -79.20 80 -84.33 0.0131
2023-08-15 2023-06-30 13F Amkor Technology Equity 031652100 16,973 -2,047 -10.76 505 2.02 0.0765
2023-05-16 2023-03-31 13F Amkor Technology Equity 031652100 19,020 19,020 495 0.0779
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.