401(k) · DOL Form 5500 · 2022

Amkor Technology, Inc. 401(k) Plan

Data updated 2026-08-11

$174M
Total assets
375
Participants
95th
Percentile by assets
$465,192
Avg per participant
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Official DOL plan name: Amkor Technology, Inc. 401(k) Plan · Sponsored by Amkor Technology, Inc. · Arizona · Manufacturing

$174M in assets, 375 participants

Amkor Technology, Inc.'s Amkor Technology, Inc. 401(k) Plan reported $174M in total assets and 375 participants in its 2022 DOL Form 5500 filing, ranking in the 95th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • 95th percentile by assets (of 139,126 plans)
  • #19,037 in Manufacturing (20,602 peers)

Where Amkor Technology, Inc. 401(k) Plan sits by assets

Amkor Technology, Inc. 401(k) Plan sits in the top 5% of all filed plans by assets, $174M for 375 participants (~$465,192/participant), down 14.5% in 2022.

$174M
total plan assets (2022 EOY)
375
covered participants
95th
percentile by assets (of 139,126 plans)
$465,192
avg assets per participant

The plan reported a net loss of $30M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Where Amkor Technology, Inc. 401(k) Plan sits by total assets

Amkor Technology, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$174,446,934 Top 5% higher than 95% of 139,123 filed plans

This plan $0 $2,010,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

State
Industry

Amkor Technology, Inc. 401(k) Plan vs the 2022 asset distribution

By assets, Amkor Technology, Inc. 401(k) Plan outranks 95% of the 139,126 plans that filed a Form 5500 for the 2022 plan year, and holds roughly 1.8x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$204M
Net Assets (End of Year)$174M
Net Income-$30M
Employer EIN231722724
Plan Effective Date1986-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Amkor Technology, Inc.)

$160M$180M$200M$220M$240M 202220232024 $174M $223M ▲ +27.8%
Total plan assets by year, all Amkor Technology, Inc. plans on file
Year Plans Participants Total Assets
2022 1 375 $174M
2023 1 383 $204M
2024 1 373 $223M

Nearby 401(k) Plans in Arizona

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Amkor Technology, Inc. 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 01234 Total assets ($B) Participants Amkor Technology, In…, Total assets ($B): 0.174446934 · Participants: 375Amkor Technology, In…Banner Health Employ…, Total assets ($B): 3.566847679 · Participants: 50602Banner Health Employ…Freeport-Mcmoran Inc…, Total assets ($B): 1.923226111 · Participants: 12362Freeport-Mcmoran Inc…Republic Services, I…, Total assets ($B): 1.806929859 · Participants: 28320Republic Services, I…Stantec 401(k) Plan, Total assets ($B): 1.682454193 · Participants: 8764Stantec 401(k) PlanReliance Steel & Alu…, Total assets ($B): 1.33677823 · Participants: 9895Reliance Steel & Alu…
Amkor Technology, Inc. 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Amkor Technology, Inc. 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Amkor Technology, Inc. 401(k) Plan assets move in 2022?
Amkor Technology, Inc. 401(k) Plan pulled back noticeably - down 14.5% during 2022, from $204M to $174M. Reported net income was -$30M.
How have Amkor Technology, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Amkor Technology, Inc.'s sponsor-wide assets grew 27.8%, from $174M to $223M.
Where does Amkor Technology, Inc. 401(k) Plan rank by assets among Form 5500 filers?
Amkor Technology, Inc. 401(k) Plan ranks in the 95th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Amkor Technology, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Satellite Healthcare, Inc. 403(b) Retirement Plan in CA ($174M, 2,323 participants).

Next read for Amkor Technology, Inc. 401(k) Plan

Scale reading

Ways to act on Amkor Technology, Inc. 401(k) Plan's numbers.