401(k) · DOL Form 5500 · 2024

Ampex Data Systems Corporation 401(k) Plan

Data updated 2026-08-25

$36M
Total assets Below avg plan size
72
Participants Small participant base
80th
Percentile by assets National rank
$504,635
Avg per participant High balance/head
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Official DOL plan name: Ampex Data Systems Corporation Savings Plan · Sponsored by Ampex Data Systems Corporation · California · Manufacturing

$36M in assets, 72 participants

Ampex Data Systems Corporation's Ampex Data Systems Corporation Savings Plan reported $36M in total assets and 72 participants in its 2024 DOL Form 5500 filing, ranking in the 80th 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.

  • #12,859 in Manufacturing (17,777 peers)

Where Ampex Data Systems Corporation Savings Plan sits by assets

Ampex Data Systems Corporation Savings Plan sits in the top quartile of all filed plans by assets, $36M for 72 participants (~$504,635/participant), up 18.8% in 2024.

#12,859
in Manufacturing (17,777 peers)
+18.8%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Ampex Data Systems Corporation Savings Plan's outsized position by total assets

Ampex Data Systems Corporation Savings Plan vs every filed plan by assets

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

$36,333,706 Top 20% higher than 80% 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

Ampex Data Systems Corporation Savings Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ampex Data Systems Corporation Savings Plan is a small filing (72 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Ampex Data Systems Corporation Savings Plan reported participants rose from 58 in the plan year 2023 filing to 72 in the plan year 2024 filing.
  • Ampex Data Systems Corporation Savings Plan end-of-year assets rose from $31M in the plan year 2023 filing to $36M in the plan year 2024 filing.
  • Ampex Data Systems Corporation Savings Plan reported net income fell from $6M in the plan year 2023 filing to $6M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 943112575 · Ampex Data Systems Corporation PY 2024 · 401(k)

Ampex Data Systems Corporation Savings Plan · $36M · 72 · 80th

  • BOOK $36M
  • BOOK 72
  • BOOK 80th
  • BOOK 401(k)
  • BOOK near Republic Bank 401(k) & Profit Sharing Plan
  • BOOK ind #12859

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 California →

Ampex Data Systems Corporation Savings Plan in the asset neighbourhood

Adimab, LLC 401(k) Profit Sharing PlanAdimab, LLC 401(k) Profit Sh…$36MAmpex Data Systems Corporation Savings PlanAmpex Data Systems Corporati…$36MRepublic Bank 401(k) & Profit Sharing PlanRepublic Bank 401(k) & Profi…$36MCorza Medical 401(k) Plan$36MSam Houston Electric Cooperative, Inc. Pension PlanSam Houston Electric Coopera…$36M
End-of-year total assets ($M) among Ampex Data Systems Corporation Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$31M
Net Assets (End of Year)$36M
Net Income$6M
Employer EIN943112575
Plan Effective Date1956-05-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ampex Data Systems Corporation)

Sponsor-wide plan assets over time

All Ampex Data Systems Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$36M 47.64807961666292% vs 2022
2024 filing year
$20M$25M$30M$35M$40M 202220232024 $24.6M $36.3M ▲ +47.6%
Year Plans Participants Total Assets
2022 1 48 $25M
2023 1 58 $31M
2024 1 72 $36M

Nearby 401(k) Plans in California

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

Ampex Data Systems Corporation Savings Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Ampex Data Systems Corporation Savings Plan, Total assets ($B): 0.036333706 · Participants: 72Ampex Data Systems Corporation Savings PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Ampex Data Systems Corporation Savings Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Ampex Data Systems Corporation Savings Plan side-by-side with 3 peers →

Ampex Data Systems Corporation Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Republic Bank 401(k) & Profit Sharing Plan in TX ($36M); by covered participants it is Malonebailey LLP 401(k) Profit Sharing Plan in TX (72 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($36M here).

Similar participant headcount

Nearest other-state filings by covered participants (72 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 Ampex Data Systems Corporation Savings Plan assets move in 2024? ▼
Ampex Data Systems Corporation Savings Plan grew sharply - up 18.8% during 2024, from $31M to $36M. Reported net income was $6M.
How have Ampex Data Systems Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ampex Data Systems Corporation's sponsor-wide assets grew 47.6%, from $25M to $36M.
Where does Ampex Data Systems Corporation Savings Plan rank by assets among Form 5500 filers? ▼
Ampex Data Systems Corporation Savings Plan ranks in the 80th 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 Ampex Data Systems Corporation Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Republic Bank 401(k) & Profit Sharing Plan in TX ($36M, 448 participants).
Which 401(k) plans cover a similar participant headcount to Ampex Data Systems Corporation Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Malonebailey LLP 401(k) Profit Sharing Plan in TX (72 participants, $5M 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 943112575.

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.