How big is Admithub PBC, DBA Mainstay's plan?

Admithub PBC, DBA Mainstay's plan reported $4.7M in assets and 37 participants for 2025.

Original filing (PDF)20260414220118NAL0024529922014

Admithub PBC, DBA Mainstay

Name: Admithub PBC, DBA Mainstay — Admithub 401(k) Plan, Form 5500 (2025)
Creator: Admithub PBC, DBA Mainstay
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

Admithub 401(k) Plan

401(k) retirement plan · Admithub PBC, DBA Mainstay's Admithub 401(k) Plan held $4.7M in plan assets for 37 participants in 2025.

Active participants

Accounts w/ balance

Plan assets (EOY)

$4.7M

Net assets (EOY)

$4.7M

Plan identifiers

Admithub PBC, DBA Mainstay's EIN is 46-5681542.

EIN 46-5681542

Plan number 001

Plan year 2025

ACK ID 20260414220118NAL0024529922014

Official Form 5500 document

Download the official 2025 Form 5500 (PDF) for Admithub PBC, DBA Mainstay from the U.S. Department of Labor's EFAST2 system.

Download the official 2025 Form 5500 (PDF)

Plan features

Admithub PBC, DBA Mainstay's plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, automatic enrollment, a default investment (QDIA).

Decision-maker contacts

One unlock reveals every key decision-maker — plan signer, CFO, HR & Benefits — with verified email + LinkedIn for ADMITHUB PBC, DBA MAINSTAY.

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Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.
High account-holder ratio — balance-holders per active participant in the top 15% of peers (95th percentile).

Plan sponsor

Name

ADMITHUB PBC, DBA MAINSTAY

EIN

all filings

Address

1 WASHINGTON MALL #1349 · BOSTON, MA · 02108

Phone

(978) 810-1705

Industry

Retail Trade

Plan administrator