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Original filing (PDF)20250717092842NAL0000011907020
ADMITHUB PBC, DBA MAINSTAY
Form 5500
FILING_RECEIVED
ADMITHUB 401(K) PLAN
401(k) retirement plan
Signals · 1
48% in single holding
Active participants
41
Accounts w/ balance
83
Plan assets (EOY)
$4.1M
Net assets (EOY)
$4.1M
How this plan invests
This plan
19 securities
funds · stocks · CUSIPs
Holdings are itemized directly on this plan's Schedule of Assets, below.
Plan health score (directional)
89
/ 100
Grade A
Top-tier plan health
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
100
Concentration risk
76
Total plan cost
75
Vendor stack
100
Participation health
100
Knocking points off
- Top holding "Vanguard Total Stock Index Fund Mutual Fund" is 48% of plan.
Helping the score
- No Schedule C compensation disclosed — likely a small plan or unbundled.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for ADMITHUB PBC, DBA MAINSTAY.
Plan sponsor
Name
ADMITHUB PBC, DBA MAINSTAY
EIN
46-5681542
Address
1 WASHINGTON MALL #1349 · BOSTON, MA · 02108
Phone
(978) 265-9436
Industry
Retail Tradesee all
Plan administrator
Name
GUIDELINE RK, LLC
EIN
30-1418950
City
BURLINGAME, CA
Phone
(888) 228-3491
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-07-17
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2S · Automatic enrollment
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Auditor
HOLTHOUSE CARLIN & VAN TRIGT LLP
Trustee / custodian
—
Trustee phone
—
Service providers (Schedule C)
No Schedule C providers reportedInvestments
19 direct securities· $4.1M(99% of reported assets)
| PI | Investment | Type | Shares / units | Cost | Current value | % of plan |
|---|---|---|---|---|---|---|
| Vanguard Total Stock Index Fund Mutual Fund | — | — | — | $2.0M | 47.8% | |
| Vanguard Developed Markets Index Fund Mutual Fund | — | — | — | $708K | 17.2% | |
| Investments Vanguard Bond Index Fund Mutual Fund | — | — | — | $518K | 12.6% | |
| Vanguard Emerging Markets Stock Fund Mutual Fund | — | — | — | $352K | 8.6% | |
| Vanguard Total International Bond Index Fund Mutual Fund | — | — | — | $170K | 4.1% | |
| Vanguard Specialized Dividend REIT Index Fund Mutual Fund | — | — | — | $167K | 4.1% | |
| Vanguard Information Technology Index Fund Mutual Fund | — | — | — | $74K | 1.8% | |
| Vanguard Short-Term Inflation Protected Securities Index Fund Mutual Fund | — | — | — | $23K | 0.6% | |
| Vanguard Index 500 Fund Mutual Fund | — | — | — | $21K | 0.5% | |
| Vanguard Industrials Index Fund Mutual Fund 358 Vanguard Reserve Federal Money Market Fund Money Market Mutual Fund 33 Vanguard FTSE Social Index Fund Mutual Fund | — | — | — | $16K | 0.4% | |
| Vanguard Small Cap Index Fund Mutual Fund | — | — | — | $15K | 0.4% | |
| Vanguard Telecom Services Index Fund Mutual Fund | — | — | — | $14K | 0.3% | |
| Vanguard Mid Cap Index Fund Mutual Fund | — | — | — | $12K | 0.3% | |
| Vanguard Value Index Fund Mutual Fund | — | — | — | $12K | 0.3% | |
| Vanguard Growth Index Fund Mutual Fund | — | — | — | $9K | 0.2% | |
| Vanguard Extended Market Index Fund Mutual Fund | — | — | — | $2K | <0.1% | |
| Vanguard Mid-Cap Value Index Fund Mutual Fund | — | — | — | $1K | <0.1% | |
| Vanguard Small Cap Value Index Fund Mutual Fund | — | — | — | $1K | <0.1% | |
| Vanguard Mid-Cap Growth Index Fund Mutual Fund | — | — | — | $1K | <0.1% |
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