401(k) · DOL Form 5500 · 2024

Glaxosmithkline LLC 401(k) Plan

Data updated 2026-08-25

$8.8B
Total assets Very large vs avg
12,435
Participants Very large workforce
100th
Percentile by assets National rank
$707,036
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

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.

  • #17,709 in Manufacturing (17,777 peers)

Coverage in Pennsylvania

Gsk 401(k) Plan covers 12,435 participants in Pennsylvania, 15x the typical Pennsylvania plan (state average ~822 per filing). Assets: $8.8B.

#17,709
in Manufacturing (17,777 peers)
+8.9%
assets growth YoY
88×
vs typical plan assets (national mean)

Gsk 401(k) Plan's outsized position by total assets

Gsk 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$8,791,991,025 Highest reported value at or above every one of 123,620 filed plans

This plan $0 $2,050,000,000 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 2024

Gsk 401(k) Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Gsk 401(k) Plan is a mega filing (12,435 participants), the rightmost band on the breakdown.

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 →

DOL schedule card

Filing strip 231099050 · Glaxosmithkline LLC PY 2024 · 401(k)

Gsk 401(k) Plan · $8.8B · 12,435 · 100th

  • PCT $8.8B
  • EIN 12,435
  • RANK 100th
  • PHOTO 401(k)
  • IND near Hewlett Packard Enterprise 401(k)Plan
  • EOY ind #17709

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Pennsylvania →

Gsk 401(k) Plan in the asset neighbourhood

Commonspirit Health 401(k) Retirement Savings PlanCommonspirit Health 401(k) R…$8.8BGsk 401(k) Plan$8.8BHewlett Packard Enterprise 401(k)PlanHewlett Packard Enterprise 4…$8.8BTrinet 401(k) Plan$8.7BTenet Healthcare Corporation 401(k) Retirement Savings PlanTenet Healthcare Corporation…$8.7B
End-of-year total assets ($B) among Gsk 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

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)

Sponsor-wide plan assets over time

All Glaxosmithkline LLC plans reported in each filing year

Latest sponsor-wide plan assets
$11.7B 19.237894618480063% vs 2022
2024 filing year
$9B$10B$11B$12B 202220232024 $9.81B $11.7B ▲ +19.2%
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 Scatter plot of 6 data points. 020000400006000080000100000 510152025 Total assets ($B) Participants Gsk 401(k) Plan, Total assets ($B): 8.791991025 · Participants: 12435Gsk 401(k) PlanComcast Corporation Retirement - Investment Plan, Total assets ($B): 19.687957793 · Participants: 90495Comcast Corporation Retirement - Investment PlanThe Cigna Group 401(k) Plan, Total assets ($B): 14.20308608 · Participants: 63634The Cigna Group 401(k) PlanThe Vanguard Retirement and Savings Plan, Total assets ($B): 11.084818612 · Participants: 18066The Vanguard Retirement and Savings PlanThermo Fisher Scientific Inc. 401(k) Retirement Plan, Total assets ($B): 10.263366209 · Participants: 36150Thermo Fisher Scientific Inc. 401(k) Retirement PlanThe PNC Financial Services Group, Inc. Incentive Savings Plan, Total assets ($B): 10.189629 · Participants: 54604The PNC Financial Services Group, Inc. Incentive Savings Plan
Gsk 401(k) Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

Scale composition for Gsk 401(k) Plan

Gsk 401(k) Plan reports $8.8B in end-of-year assets across 12,435 participants (0.071% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.013% of 93,925,755 covered participants) - about $707,036 per participant (5.1x the national average assets-per-participant) . Net income for plan year 2024 was $717M.

This plan identity (EIN 231099050, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $7.0B to $8.8B (+26.3%) while covered participants moved from 14,527 to 12,435 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 14,527 $7.0B Open filing
2023 11,837 $8.1B Open filing
2024 · index core 12,435 $8.8B This page

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Gsk 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Pennsylvania, the nearest 401(k) by assets is Hewlett Packard Enterprise 401(k)Plan in TX ($8.8B); by covered participants it is Saint Luke's Retirement Balance and Matching Plan in MO (12,441 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($8.8B here).

Similar participant headcount

Nearest other-state filings by covered participants (12,435 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

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 123,622 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).
Which 401(k) plans cover a similar participant headcount to Gsk 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Saint Luke's Retirement Balance and Matching Plan in MO (12,441 participants, $492M in assets).