401(k) · DOL Form 5500 · 2024

Arconic Corporation 401(k) Plan

Data updated 2026-08-11

$751M
Total assets: 5,965
Participants: 98th
Percentile by assets: $125,872
Avg per participant

Official DOL plan name: Arconic Corp. Hourly 401(k) Plan · Sponsored by Arconic Corporation · Pennsylvania · Manufacturing

$751M in assets, 5,965 participants

Arconic Corporation's Arconic Corp. Hourly 401(k) Plan reported $751M in total assets and 5,965 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.

98th percentile by assets (of 123,622 plans)
#17,204 in Manufacturing (17,777 peers)

Coverage in Pennsylvania

Arconic Corp. Hourly 401(k) Plan covers 5,965 participants in Pennsylvania, 7.3x the typical Pennsylvania plan (state average ~822 per filing). Assets: $751M.

$751M
total plan assets (2024 EOY): 5,965
covered participants: 98th
percentile by assets (of 123,622 plans): $125,872
avg assets per participant

Arconic Corp. Hourly 401(k) Plan reported net income fell from $88M in the plan year 2023 filing to $77M in the plan year 2024 filing.
Arconic Corp. Hourly 401(k) Plan end-of-year assets rose from $678M in the plan year 2023 filing to $751M in the plan year 2024 filing.
Arconic Corp. Hourly 401(k) Plan reported participants fell from 6,136 in the plan year 2023 filing to 5,965 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Pennsylvania

Industry

Manufacturing

Participants vs Pennsylvania filers

In Pennsylvania, the average filing covers about 822 participants across 5,751 plans. Arconic Corp. Hourly 401(k) Plan reports 5,965 participants - 7.3x that state average ($751M EOY assets).

Pennsylvania filing particulars

Total Assets (Beginning of Year)	$678M
Net Assets (End of Year)	$751M
Net Income	$77M
Employer EIN	842745636
Plan Effective Date	2020-02-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Arconic Corporation)

Total plan assets by year, all Arconic Corporation plans on file

Year	Plans	Participants	Total Assets
2022	4	11,979	$2.4B
2023	4	12,719	$2.5B
2024	4	12,280	$2.6B

Nearby 401(k) Plans in Pennsylvania

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

Arconic Corp. Hourly 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Comcast Corporation Retirement - Investment Plan $19.7B · 90,495
The Cigna Group 401(k) Plan $14.2B · 63,634
The Vanguard Retirement and Savings Plan $11.1B · 18,066
Thermo Fisher Scientific Inc. 401(k) Retirement Plan $10.3B · 36,150
The PNC Financial Services Group, Inc. Incentive Savings Plan $10.2B · 54,604

Compare Arconic Corp. Hourly 401(k) Plan side-by-side with 3 peers →

Scale composition for Arconic Corp. Hourly 401(k) Plan

Arconic Corp. Hourly 401(k) Plan reports $751M in end-of-year assets across 5,965 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $125,872 per participant (91% of the national average assets-per-participant) . Net income for plan year 2024 was $77M.

This plan identity (EIN 842745636, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $593M to $751M (+26.7%) while covered participants moved from 5,084 to 5,965 . Single-year sparse filers cannot show that trail.

Plan year	Participants	EOY assets	Filing
2022	5,084	$593M	Open filing
2023	6,136	$678M	Open filing
2024 · index core	5,965	$751M	This page

The same sponsor also keeps 3 other index-core plans on PlainRetire:

Arconic Corp. Salaried 401(k) Plan (401(k), $765M, 2,284 participants)
Arconic Corp. Pension Plan B (Defined Benefit (Pension), $549M, 3,592 participants)
Arconic Corp. Pension Plan a (Defined Benefit (Pension), $539M, 439 participants)

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Arconic Corp. Hourly 401(k) Plan by total assets, not by location.

Cohnreznick LLC 401(k) Profit Sharing Plan (NJ) $751M · 4,024
Atlassian 401(k) Plan (CA) $750M · 4,404
Caterpillar Inc. Tax Deferred Retirement Plan (TX) $749M · 7,176
Exact Sciences Corporation 401(k) Plan (WI) $749M · 6,344

Frequently Asked Questions

How did Arconic Corp. Hourly 401(k) Plan assets move in 2024? ▼

Arconic Corp. Hourly 401(k) Plan grew at a solid clip - up 10.7% during 2024, from $678M to $751M. Reported net income was $77M.

How have Arconic Corporation plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Arconic Corporation's sponsor-wide assets grew 7.7%, from $2.4B to $2.6B.

Where does Arconic Corp. Hourly 401(k) Plan rank by assets among Form 5500 filers? ▼

Arconic Corp. Hourly 401(k) Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which 401(k) plans are similar in size to Arconic Corp. Hourly 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Cohnreznick LLC 401(k) Profit Sharing Plan in NJ ($751M, 4,024 participants).

Next read for Arconic Corp. Hourly 401(k) Plan

Filing takeaways

Ways to act on Arconic Corp. Hourly 401(k) Plan's numbers.

By total assets, Arconic Corp. Hourly 401(k) Plan ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Pennsylvania. Compare plans
Arconic Corporation's sponsor-wide assets have grown 7.7% since 2022 across 3 plan years on file. More Manufacturing plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 842745636.