401(k) · DOL Form 5500 · 2024

Alfred E. Mann Foundation for Scientific Research 401(k) Plan

Data updated 2026-08-25

$19M
Total assets Small plan by assets
98
Participants Small participant base
69th
Percentile by assets National rank
$188,860
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Mann Partners 401(k) Retirement Plan · Sponsored by Alfred E. Mann Foundation for Scientific Research · California · Professional & Technical Services

$19M in assets, 98 participants

Alfred E. Mann Foundation for Scientific Research's Mann Partners 401(k) Retirement Plan reported $19M in total assets and 98 participants in its 2024 DOL Form 5500 filing, ranking in the 69th 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.

  • #13,710 in Professional & Technical Services (20,173 peers)

Alfred E. Mann Foundation for Scientific Research multi-year trail

Alfred E. Mann Foundation for Scientific Research's plans moved +35.3% in assets from 2022 to 2024; this filing shows Mann Partners 401(k) Retirement Plan at $19M / 98 participants.

#13,710
in Professional & Technical Services (20,173 peers)
+14.7%
assets growth YoY

Mann Partners 401(k) Retirement Plan's outsized position by total assets

Mann Partners 401(k) Retirement Plan vs every filed plan by assets

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

$18,508,248 Top 31% higher than 69% 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

Mann Partners 401(k) Retirement 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. Mann Partners 401(k) Retirement Plan is a small filing (98 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mann Partners 401(k) Retirement Plan reported participants rose from 70 in the plan year 2023 filing to 98 in the plan year 2024 filing.
  • Mann Partners 401(k) Retirement Plan end-of-year assets rose from $16M in the plan year 2023 filing to $19M in the plan year 2024 filing.
  • Mann Partners 401(k) Retirement Plan reported net income fell from $2M in the plan year 2023 filing to $2M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 954002032 · Alfred E. Mann Foundation for Scientific Research PY 2024 · 401(k)

Mann Partners 401(k) Retirement Plan · $19M · 98 · 69th

  • TYPE $19M
  • NET 98
  • BOOK 69th
  • VS-ST 401(k)
  • BOY near First Northern Credit Union 401(k) Plan
  • SCH ind #13710

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 California →

Mann Partners 401(k) Retirement Plan in the asset neighbourhood

Mann Partners 401(k) Retirement PlanMann Partners 401(k) Retirem…$19MFirst Northern Credit Union 401(k) PlanFirst Northern Credit Union …$19MTechstars 401(k) Plan$19MLancaster Toyota, Inc. 401(k) Profit Sharing PlanLancaster Toyota, Inc. 401(k…$19MNorthwest Tire, Inc. 401(k) Profit Sharing PlanNorthwest Tire, Inc. 401(k) …$19M
End-of-year total assets ($M) among Mann Partners 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Alfred E. Mann Foundation for Scientific Research multi-year asset trail

Sponsor-wide plan assets over time

All Alfred E. Mann Foundation for Scientific Research plans reported in each filing year

Latest sponsor-wide plan assets
$19M 35.302033911463745% vs 2022
2024 filing year
$12M$14M$16M$18M$20M 202220232024 $13.7M $18.5M ▲ +35.3%
Year Plans Participants Total Assets
2022 1 60 $14M
2023 1 70 $16M
2024 1 98 $19M

Alfred E. Mann Foundation for Scientific Research filing trail (2024)

Total Assets (Beginning of Year)$16M
Net Assets (End of Year)$18M
Net Income$2M
Employer EIN954002032
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in California

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

Mann Partners 401(k) Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Mann Partners 401(k) Retirement Plan, Total assets ($B): 0.018508248 · Participants: 98Mann Partners 401(k) Retirement 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
Mann Partners 401(k) Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants

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

Outside California, the nearest 401(k) by assets is First Northern Credit Union 401(k) Plan in IL ($19M); by covered participants it is Premier Medical Group Profit Sharing Plan in NY (98 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($19M here).

Similar participant headcount

Nearest other-state filings by covered participants (98 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 Mann Partners 401(k) Retirement Plan assets move in 2024?
Mann Partners 401(k) Retirement Plan grew at a solid clip - up 14.7% during 2024, from $16M to $19M. Reported net income was $2M.
How have Alfred E. Mann Foundation for Scientific Research plan assets changed over time?
Across 3 plan years on file (2022-2024), Alfred E. Mann Foundation for Scientific Research's sponsor-wide assets grew 35.3%, from $14M to $19M.
Which 401(k) plans are similar in size to Mann Partners 401(k) Retirement Plan?
Among 401(k) plans in other states, the closest by assets is First Northern Credit Union 401(k) Plan in IL ($19M, 73 participants).
Which 401(k) plans cover a similar participant headcount to Mann Partners 401(k) Retirement Plan?
Among 401(k) plans in other states, the closest by covered participants is Premier Medical Group Profit Sharing Plan in NY (98 participants, $21M in assets).