401(k) · DOL Form 5500 · 2023

Ampex Data Systems Corporation 401(k) Plan

Data updated 2026-08-25

$31M
Total assets Below avg plan size
58
Participants Small participant base
79th
Percentile by assets National rank
$527,345
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

$31M in assets, 58 participants

Ampex Data Systems Corporation's Ampex Data Systems Corporation Savings Plan reported $31M in total assets and 58 participants in its 2023 DOL Form 5500 filing, ranking in the 79th 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.

  • #13,381 in Manufacturing (18,722 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, $31M for 58 participants (~$527,345/participant), up 24.3% in 2023.

#13,381
in Manufacturing (18,722 peers)
+24.3%
assets growth YoY
0.3×
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 2023 · DOL Form 5500

$30,586,010 Top 21% higher than 79% 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

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

Plan-year 2023 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 (58 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ampex Data Systems Corporation Savings Plan reported net income rose from -$9M in the plan year 2022 filing to $6M in the plan year 2023 filing.
  • Ampex Data Systems Corporation Savings Plan end-of-year assets rose from $25M in the plan year 2022 filing to $31M in the plan year 2023 filing.
  • Ampex Data Systems Corporation Savings Plan reported participants rose from 48 in the plan year 2022 filing to 58 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 943112575 · Ampex Data Systems Corporation PY 2023 · 401(k)

Ampex Data Systems Corporation Savings Plan · $31M · 58 · 79th

  • EOY $31M
  • EOY 58
  • EOY 79th
  • EOY 401(k)
  • EOY near Roman 401(k) Plan
  • EOY ind #13381

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

Ampex Data Systems Corporation Savings PlanAmpex Data Systems Corporati…$31MGeneral American Investors Company, Inc. Employees' Thrift PlanGeneral American Investors C…$31MRoman 401(k) Plan$31MWeber Gallagher Simpson Stapleton Fires & Newby, LLP RetWeber Gallagher Simpson Stap…$31MAssociated Skin Care Specialists, P.a. 401(k) Profit Sharing PlanAssociated Skin Care Special…$31M
End-of-year total assets ($M) among Ampex Data Systems Corporation Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$25M
Net Assets (End of Year)$31M
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. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Ampex Data Systems Corporation Savings Plan, Total assets ($B): 0.03058601 · Participants: 58Ampex Data Systems Corporation Savings PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 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 Roman 401(k) Plan in NY ($31M); by covered participants it is Sri Technologies, Inc. Retirement Savings Plan in IL (58 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (58 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 Ampex Data Systems Corporation Savings Plan assets move in 2023? ▼
Ampex Data Systems Corporation Savings Plan grew sharply - up 24.3% during 2023, from $25M to $31M. 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 79th 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 Ampex Data Systems Corporation Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Roman 401(k) Plan in NY ($31M, 561 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 Sri Technologies, Inc. Retirement Savings Plan in IL (58 participants, $849K 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 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.