401(k) · DOL Form 5500 · 2024

Adaptimmune, LLC 401(k) Plan

Data updated 2026-08-25

$28M
Total assets Below avg plan size
223
Participants Below avg headcount
76th
Percentile by assets National rank
$127,226
Avg per participant Near avg balance/head
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Official DOL plan name: Adaptimmune LLC Retirement Plan · Sponsored by Adaptimmune, LLC · Pennsylvania · Manufacturing

$28M in assets, 223 participants

Adaptimmune, LLC's Adaptimmune LLC Retirement Plan reported $28M in total assets and 223 participants in its 2024 DOL Form 5500 filing, ranking in the 76th 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.

  • #12,014 in Manufacturing (17,777 peers)

Coverage in Pennsylvania

Adaptimmune LLC Retirement Plan covers 223 participants in Pennsylvania, about 27% of the average Pennsylvania filer (state average ~822 per filing). Assets: $28M.

#12,014
in Manufacturing (17,777 peers)
+25.7%
assets growth YoY
0.3×
vs typical plan assets (national mean)

Adaptimmune LLC Retirement Plan's outsized position by total assets

Adaptimmune LLC Retirement Plan vs every filed plan by assets

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

$28,371,384 Top 24% higher than 76% 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

Adaptimmune LLC Retirement Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Adaptimmune LLC Retirement Plan sits mid-pack in the medium band (223 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Adaptimmune LLC Retirement Plan end-of-year assets rose from $23M in the plan year 2023 filing to $28M in the plan year 2024 filing.
  • Adaptimmune LLC Retirement Plan reported participants fell from 279 in the plan year 2023 filing to 223 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 274919915 · Adaptimmune, LLC PY 2024 · 401(k)

Adaptimmune LLC Retirement Plan · $28M · 223 · 76th

  • EOY $28M
  • EOY 223
  • EOY 76th
  • EOY 401(k)
  • EOY near Squaxin Island Tribe and Island Enterprise 401(k) Plan
  • EOY ind #12014

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 →

Adaptimmune LLC Retirement Plan in the asset neighbourhood

Adaptimmune LLC Retirement PlanAdaptimmune LLC Retirement P…$28MSquaxin Island Tribe and Island Enterprise 401(k) PlanSquaxin Island Tribe and Isl…$28MMonroe Tractor & Implement Co. Inc 401(k) Profit Sharing Plan & TrustMonroe Tractor & Implement C…$28MHarris Group Deferred Income Plan and TrustHarris Group Deferred Income…$28MG2 Software Systems, Inc. Retirement PlanG2 Software Systems, Inc. Re…$28M
End-of-year total assets ($M) among Adaptimmune LLC Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Pennsylvania filing particulars

Total Assets (Beginning of Year)$23M
Net Assets (End of Year)$28M
Net Income$6M
Employer EIN274919915
Plan Effective Date2014-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Adaptimmune, LLC)

Sponsor-wide plan assets over time

All Adaptimmune, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$28M 69.25070515698505% vs 2022
2024 filing year
$15M$20M$25M$30M 202220232024 $16.8M $28.4M ▲ +69.3%
Year Plans Participants Total Assets
2022 1 215 $17M
2023 1 279 $23M
2024 1 223 $28M

Nearby 401(k) Plans in Pennsylvania

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

Adaptimmune LLC Retirement Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -50510152025 Total assets ($B) Participants Adaptimmune LLC Retirement Plan, Total assets ($B): 0.028371384 · Participants: 223Adaptimmune LLC Retirement 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
Adaptimmune LLC Retirement Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants

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

Outside Pennsylvania, the nearest 401(k) by assets is Squaxin Island Tribe and Island Enterprise 401(k) Plan in WA ($28M); by covered participants it is Patricio Enterprises, Inc. 401(k) Plan in VA (223 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (223 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 Adaptimmune LLC Retirement Plan assets move in 2024?
Adaptimmune LLC Retirement Plan grew sharply - up 25.7% during 2024, from $23M to $28M. Reported net income was $6M.
How have Adaptimmune, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Adaptimmune, LLC's sponsor-wide assets grew 69.3%, from $17M to $28M.
Where does Adaptimmune LLC Retirement Plan rank by assets among Form 5500 filers?
Adaptimmune LLC Retirement Plan ranks in the 76th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Adaptimmune LLC Retirement Plan?
Among 401(k) plans in other states, the closest by assets is Squaxin Island Tribe and Island Enterprise 401(k) Plan in WA ($28M, 452 participants).
Which 401(k) plans cover a similar participant headcount to Adaptimmune LLC Retirement Plan?
Among 401(k) plans in other states, the closest by covered participants is Patricio Enterprises, Inc. 401(k) Plan in VA (223 participants, $26M in assets).