401(k) · DOL Form 5500 · 2023

Adaptimmune, LLC 401(k) Plan

Data updated 2026-08-25

$23M
Total assets Small plan by assets
279
Participants Below avg headcount
75th
Percentile by assets National rank
$80,880
Avg per participant Below avg balance/head
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Official DOL plan name: Adaptimmune LLC Retirement Plan · Sponsored by Adaptimmune, LLC · Pennsylvania · Manufacturing

$23M in assets, 279 participants

Adaptimmune, LLC's Adaptimmune LLC Retirement Plan reported $23M in total assets and 279 participants in its 2023 DOL Form 5500 filing, ranking in the 75th 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.

  • #12,201 in Manufacturing (18,722 peers)

Coverage in Pennsylvania

Adaptimmune LLC Retirement Plan covers 279 participants in Pennsylvania, about 34% of the average Pennsylvania filer (state average ~822 per filing). Assets: $23M.

#12,201
in Manufacturing (18,722 peers)
+34.6%
assets growth YoY
0.2×
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 2023 · DOL Form 5500

$22,565,481 Top 25% higher than 75% of 127,068 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 2023

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

Plan-year 2023 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 (279 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Adaptimmune LLC Retirement Plan reported net income rose from -$190K in the plan year 2022 filing to $6M in the plan year 2023 filing.
  • Adaptimmune LLC Retirement Plan end-of-year assets rose from $17M in the plan year 2022 filing to $23M in the plan year 2023 filing.
  • Adaptimmune LLC Retirement Plan reported participants rose from 215 in the plan year 2022 filing to 279 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 274919915 · Adaptimmune, LLC PY 2023 · 401(k)

Adaptimmune LLC Retirement Plan · $23M · 279 · 75th

  • EIN $23M
  • EIN 279
  • EIN 75th
  • EIN 401(k)
  • EIN near Cadillac Casting, Inc. 401(k) Retirement Plan
  • EIN ind #12201

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…$23MCadillac Casting, Inc. 401(k) Retirement PlanCadillac Casting, Inc. 401(k…$23MIndigo Auto Group 401(k) Plan$23MBradesco Bank Savings and Investment PlanBradesco Bank Savings and In…$23MHearthstone Retirement Savings PlanHearthstone Retirement Savin…$23M
End-of-year total assets ($M) among Adaptimmune LLC Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Pennsylvania filing particulars

Total Assets (Beginning of Year)$17M
Net Assets (End of Year)$23M
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. -50000050000100000 -505101520 Total assets ($B) Participants Adaptimmune LLC Retirement Plan, Total assets ($B): 0.022565481 · Participants: 279Adaptimmune LLC Retirement PlanComcast Corporation Retirement - Investment Plan, Total assets ($B): 17.368669862 · Participants: 93136Comcast Corporation Retirement - Investment PlanCigna 401(k) Plan, Total assets ($B): 13.003870935 · Participants: 66760Cigna 401(k) PlanThe Vanguard Retirement and Savings Plan, Total assets ($B): 9.765617477 · Participants: 18200The Vanguard Retirement and Savings PlanThe PNC Financial Services Group, Inc. Incentive Savings Plan, Total assets ($B): 9.339762 · Participants: 61697The PNC Financial Services Group, Inc. Incentive Savings PlanThe Bank of New York Mellon Corporation 401(k) Savings Plan, Total assets ($B): 8.955655142 · Participants: 25184The Bank of New York Mellon Corporation 401(k) Savings Plan
Adaptimmune LLC Retirement Plan vs. nearby 401(k) plans in Pennsylvania, assets vs. participants
Compare Adaptimmune LLC Retirement Plan side-by-side with 3 peers →

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

Outside Pennsylvania, the nearest 401(k) by assets is Cadillac Casting, Inc. 401(k) Retirement Plan in MI ($23M); by covered participants it is Virginia Cancer Institute, Inc. Retirement Plan in VA (279 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($23M here).

Similar participant headcount

Nearest other-state filings by covered participants (279 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. 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 2023? ▼
Adaptimmune LLC Retirement Plan surged - up 34.6% during 2023, from $17M to $23M. 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 75th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (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 Cadillac Casting, Inc. 401(k) Retirement Plan in MI ($23M, 417 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 Virginia Cancer Institute, Inc. Retirement Plan in VA (279 participants, $58M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 274919915.

Read our methodology - how this data is sourced, computed, and verified.

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