401(k) · DOL Form 5500 · 2024

Amgen Inc. 401(k) Plan

Data updated 2026-08-06

$7.7B
Total assets
12,355
Participants
100th
Percentile by assets
$625,024
Avg per participant
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Official DOL plan name: Amgen Retirement and Savings Plan · Sponsored by Amgen Inc. · California · Manufacturing

$7.7B in assets, 12,355 participants

Amgen Inc.'s Amgen Retirement and Savings Plan reported $7.7B in total assets and 12,355 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • 100th percentile by assets (of 116,472 plans)
  • #16,805 in Manufacturing (16,886 peers)

Coverage in California

Amgen Retirement and Savings Plan covers 12,355 participants in California, 19x the typical California plan (state average ~637 per filing). Assets: $7.7B.

$7.7B
total plan assets (2024 EOY)
12,355
covered participants
100th
percentile by assets (of 116,472 plans)
$625,024
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Amgen Retirement and Savings Plan end-of-year assets rose from $6.9B in the plan year 2023 filing to $7.7B in the plan year 2024 filing.
  • Amgen Retirement and Savings Plan reported net income fell from $897M in the plan year 2023 filing to $822M in the plan year 2024 filing.
  • Amgen Retirement and Savings Plan reported participants fell from 12,714 in the plan year 2023 filing to 12,355 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs California filers

In California, the average filing covers about 637 participants across 14,392 plans. Amgen Retirement and Savings Plan reports 12,355 participants - 19x that state average ($7.7B EOY assets).

California filing particulars

Total Assets (Beginning of Year)$6.9B
Net Assets (End of Year)$7.7B
Net Income$822M
Employer EIN953540776
Plan Effective Date1985-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Amgen Inc.)

$5B$6B$7B$8B 202220232024 $6.01B $7.72B ▲ +28.5%
Total plan assets by year, all Amgen Inc. plans on file
Year Plans Participants Total Assets
2022 1 11,445 $6.0B
2023 1 12,714 $6.9B
2024 1 12,355 $7.7B

Nearby 401(k) Plans in California

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

Amgen Retirement and Savings Plan vs. nearby 401(k) plans in California, assets vs. participants

Amgen Retirement and Savings Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. 050000100000150000 0102030405060 Total assets ($B) Participants Amgen Retirement and…Google LLC 401(k) Sa…Oracle Corporation 4…Intel 401(k) Savings…Apple 401(k) PlanCisco Systems,Inc. 4…
Amgen Retirement and Savings Plan vs. nearby 401(k) plans in California, assets vs. participants

Scale composition for Amgen Retirement and Savings Plan

Amgen Retirement and Savings Plan reports $7.7B in end-of-year assets across 12,355 participants (0.066% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.014% of 89,805,449 covered participants) - about $625,024 per participant (4.6x the national average assets-per-participant) . Net income for plan year 2024 was $822M.

This plan identity (EIN 953540776, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $6.0B to $7.7B (+28.6%) while covered participants moved from 11,445 to 12,355 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 11,445 $6.0B Open filing
2023 12,714 $6.9B Open filing
2024 · index core 12,355 $7.7B This page

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Amgen Retirement and Savings Plan by total assets, not by location.

Frequently Asked Questions

How did Amgen Retirement and Savings Plan assets move in 2024?
Amgen Retirement and Savings Plan grew at a solid clip - up 11.9% during 2024, from $6.9B to $7.7B. Reported net income was $822M.
How have Amgen Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Amgen Inc.'s sponsor-wide assets grew 28.6%, from $6.0B to $7.7B.
Where does Amgen Retirement and Savings Plan rank by assets among Form 5500 filers?
Amgen Retirement and Savings Plan ranks in the 100th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Amgen Retirement and Savings Plan?
Among 401(k) plans in other states, the closest by assets is Massachusetts Institute of Technology Supplemental 401(k) Plan in MA ($7.7B, 14,762 participants).

Next read for Amgen Retirement and Savings Plan

Filing takeaways

Ways to act on Amgen Retirement and Savings Plan's numbers.