401(k) · DOL Form 5500 · 2024

Glaxosmithkline LLC 401(k) Plan

Data updated 2026-07-24

$8.8B
Total assets
12,435
Participants
100th
Percentile by assets
$707,036
Avg per participant
PlainRetire home → About this data

Official DOL plan name: Gsk 401(k) Plan · Sponsored by Glaxosmithkline LLC · Pennsylvania · Manufacturing

$8.8B in assets, 12,435 participants

Glaxosmithkline LLC's Gsk 401(k) Plan reported $8.8B in total assets and 12,435 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)

Coverage in Pennsylvania

Gsk 401(k) Plan covers 12,435 participants in Pennsylvania, 15x the typical Pennsylvania plan (state average ~824 per filing). Assets: $8.8B.

$8.8B
total plan assets (2024 EOY)
12,435
covered participants
100th
percentile by assets (of 116,472 plans)
$707,036
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Gsk 401(k) Plan reported net income fell from $1.1B in the plan year 2023 filing to $717M in the plan year 2024 filing.
  • Gsk 401(k) Plan end-of-year assets rose from $8.1B in the plan year 2023 filing to $8.8B in the plan year 2024 filing.
  • Gsk 401(k) Plan reported participants rose from 11,837 in the plan year 2023 filing to 12,435 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Pennsylvania filers

In Pennsylvania, the average filing covers about 824 participants across 5,360 plans. Gsk 401(k) Plan reports 12,435 participants - 15x that state average ($8.8B EOY assets).

Pennsylvania filing particulars

Total Assets (Beginning of Year)$8.1B
Net Assets (End of Year)$8.8B
Net Income$717M
Employer EIN231099050
Plan Effective Date1966-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Glaxosmithkline LLC)

$9B$10B$11B$12B 202220232024 $9.81B $11.7B ▲ +19.2%
Total plan assets by year, all Glaxosmithkline LLC plans on file
Year Plans Participants Total Assets
2022 2 26,885 $9.8B
2023 2 20,278 $11.0B
2024 2 20,205 $11.7B

Nearby 401(k) Plans in Pennsylvania

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

Gsk 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Gsk 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 510152025 Total assets ($B) Participants Gsk 401(k) PlanComcast Corporation …The Cigna Group 401(…The Vanguard Retirem…Thermo Fisher Scient…The PNC Financial Se…
Gsk 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Similar-Sized 401(k) Plans Nationally

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

Frequently Asked Questions

How did Gsk 401(k) Plan assets move in 2024?
Gsk 401(k) Plan grew at a solid clip - up 8.9% during 2024, from $8.1B to $8.8B. Reported net income was $717M.
How have Glaxosmithkline LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Glaxosmithkline LLC's sponsor-wide assets grew 19.2%, from $9.8B to $11.7B.
Where does Gsk 401(k) Plan rank by assets among Form 5500 filers?
Gsk 401(k) 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 Gsk 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Hewlett Packard Enterprise 401(k)Plan in TX ($8.8B, 15,164 participants).

Filing takeaways

Ways to act on Gsk 401(k) Plan's numbers.

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 231099050.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.