Alfred E. Mann Foundation for Scientific Research 401(k) match, vesting and fees

Plan year 2025 filingMann Partners 401(k) Retirement Plan · Plan 002 · EIN 95-4002032Updated Oct 2026

What Alfred E. Mann Foundation for Scientific Research's 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2025 filing reports $478K in employer contributions, about $2,863 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2025 Form 5500 ↗
$139,229
Average account balance
171
Participants (end of year)
$23.3M
Plan assets (end of year)
0.17%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperFidelity Investments InstitutionalSchedule C ↗
Independent auditorBaker Tilly US, LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2025 medians for 3,569 defined-contribution plans in professional, scientific, and technical services with 100 to 499 participants.

Alfred E. Mann Foundation for Scientific Research: employer contribution per participant$2,863
Peer median$2,719
Alfred E. Mann Foundation for Scientific Research: average balance$139,229
Peer median$85,424
Alfred E. Mann Foundation for Scientific Research: admin expenses ÷ assets0.17%
Peer median0.27%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $16.4M at the end of plan year 2021 to $23.3M at the end of plan year 2025.

$16.4M2021$13.7M2022$16.1M2023$18.4M2024$23.3M2025
End-of-year figures from each plan year's Form 5500 filing for the Alfred E. Mann Foundation for Scientific Research plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2025171$23.3M$478K$2,8630.17%Not publishedForm 5500 ↗
2024158$18.4M$419K$2,6880.18%Not publishedForm 5500 ↗
2023149$16.1M$311K$2,2500.19%Not publishedForm 5500 ↗
2022120$13.7M$246K$2,1190.21%Not publishedForm 5500 ↗
2021106$16.4M$200K$1,9370.20%Not publishedForm 5500 ↗

Common questions

Does Alfred E. Mann Foundation for Scientific Research match 401(k) contributions?

The match terms for the Mann Partners 401(k) Retirement Plan have not been published from its filing yet. The plan year 2025 filing reports $478K in employer contributions, about $2,863 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Alfred E. Mann Foundation for Scientific Research 401(k) match vested?

The vesting schedule for the Mann Partners 401(k) Retirement Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Alfred E. Mann Foundation for Scientific Research 401(k)?

The recordkeeper listed on Schedule C of the plan year 2025 filing is Fidelity Investments Institutional. The plan administrator is Alfred E. Mann Foundation for Scientific Research.

I left Alfred E. Mann Foundation for Scientific Research. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Alfred E. Mann Foundation for Scientific Research, (661) 702-6700) or the recordkeeper, Fidelity Investments Institutional. The Alfred E. Mann Foundation for Scientific Research old 401(k) page lists the contacts from every plan filing. Find an old Alfred E. Mann Foundation for Scientific Research 401(k)

Data from the public Form 5500 annual reports Alfred E. Mann Foundation for Scientific Research filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024 and 2025) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Alfred E. Mann Foundation for Scientific Research. Not financial advice. Report a correction · Methodology