401(k) · DOL Form 5500 · 2024

Interdigital, Inc. 401(k) Plan

Data updated 2026-08-25

$138M
Total assets Near avg plan size
222
Participants Below avg headcount
92nd
Percentile by assets National rank
$622,649
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Interdigital Savings and Protection Plan · Sponsored by Interdigital, Inc. · Delaware · Professional & Technical Services

$138M in assets, 222 participants

Interdigital, Inc.'s Interdigital Savings and Protection Plan reported $138M in total assets and 222 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd 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.

  • #18,888 in Professional & Technical Services (20,173 peers)

Coverage in Delaware

Interdigital Savings and Protection Plan covers 222 participants in Delaware, about 41% of the average Delaware filer (state average ~536 per filing). Assets: $138M.

#18,888
in Professional & Technical Services (20,173 peers)
+8.7%
assets growth YoY
1.4×
vs typical plan assets (national mean)

Interdigital Savings and Protection Plan's outsized position by total assets

Interdigital Savings and Protection Plan vs every filed plan by assets

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

$138,228,176 Top 8% higher than 92% 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

Interdigital Savings and Protection 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. Interdigital Savings and Protection Plan sits mid-pack in the medium band (222 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Interdigital Savings and Protection Plan reported net income fell from $22M in the plan year 2023 filing to $11M in the plan year 2024 filing.
  • Interdigital Savings and Protection Plan end-of-year assets rose from $127M in the plan year 2023 filing to $138M in the plan year 2024 filing.
  • Interdigital Savings and Protection Plan reported participants fell from 229 in the plan year 2023 filing to 222 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 824936666 · Interdigital, Inc. PY 2024 · 401(k)

Interdigital Savings and Protection Plan · $138M · 222 · 92nd

  • IND $138M
  • IND 222
  • IND 92nd
  • IND 401(k)
  • IND near Miller & Martin Profit Sharing Plan
  • IND ind #18888

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 Professional & Technical Services retirement plans → · Plans in Delaware →

Interdigital Savings and Protection Plan in the asset neighbourhood

Ppfa Retirement Plan$138MInterdigital Savings and Protection PlanInterdigital Savings and Pro…$138MMiller & Martin Profit Sharing PlanMiller & Martin Profit Shari…$138MFounders Federal Credit Union Defined Contribution PlanFounders Federal Credit Unio…$138MLife and Specialty Ventures, LLC 401(k) PlanLife and Specialty Ventures,…$138M
End-of-year total assets ($M) among Interdigital Savings and Protection Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Delaware filing particulars

Total Assets (Beginning of Year)$127M
Net Assets (End of Year)$138M
Net Income$11M
Employer EIN824936666
Plan Effective Date1985-02-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Interdigital, Inc.)

Sponsor-wide plan assets over time

All Interdigital, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$138M 31.034196802859913% vs 2022
2024 filing year
$100M$110M$120M$130M$140M$150M 202220232024 $105M $138M ▲ +31.0%
Year Plans Participants Total Assets
2022 1 246 $105M
2023 1 229 $127M
2024 1 222 $138M

Nearby 401(k) Plans in Delaware

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

Interdigital Savings and Protection Plan vs. nearby 401(k) plans in Delaware, assets vs. participants Scatter plot of 6 data points. -500005000100001500020000 -20246810 Total assets ($B) Participants Interdigital Savings and Protection Plan, Total assets ($B): 0.138228176 · Participants: 222Interdigital Savings and Protection PlanAstrazeneca Savings and Security Plan, Total assets ($B): 8.644002344 · Participants: 17175Astrazeneca Savings and Security PlanRetirement Savings Plan, Total assets ($B): 7.020466008 · Participants: 9658Retirement Savings PlanDupont Retirement Savings Plan, Total assets ($B): 3.411317052 · Participants: 9391Dupont Retirement Savings PlanWl Gore & Associates, Inc. 401(k) Plan, Total assets ($B): 2.009619555 · Participants: 8887Wl Gore & Associates, Inc. 401(k) PlanAshland Employee Savings Plan, Total assets ($B): 1.306775357 · Participants: 1405Ashland Employee Savings Plan
Interdigital Savings and Protection Plan vs. nearby 401(k) plans in Delaware, assets vs. participants
Compare Interdigital Savings and Protection Plan side-by-side with 3 peers →

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

Outside Delaware, the nearest 401(k) by assets is Miller & Martin Profit Sharing Plan in TN ($138M); by covered participants it is Brown & Crouppen, P. C. 401(k) Retirement Plan in MO (222 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($138M here).

Similar participant headcount

Nearest other-state filings by covered participants (222 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 Interdigital Savings and Protection Plan assets move in 2024? ▼
Interdigital Savings and Protection Plan grew at a solid clip - up 8.7% during 2024, from $127M to $138M. Reported net income was $11M.
How have Interdigital, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Interdigital, Inc.'s sponsor-wide assets grew 31.0%, from $105M to $138M.
Where does Interdigital Savings and Protection Plan rank by assets among Form 5500 filers? ▼
Interdigital Savings and Protection Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Interdigital Savings and Protection Plan? ▼
Among 401(k) plans in other states, the closest by assets is Miller & Martin Profit Sharing Plan in TN ($138M, 171 participants).
Which 401(k) plans cover a similar participant headcount to Interdigital Savings and Protection Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Brown & Crouppen, P. C. 401(k) Retirement Plan in MO (222 participants, $17M in assets).

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 824936666.

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.