Mapbox 401(k) Plan: Login, Facts & Contact Information

Mapbox 401(k) Plan Facts

Plan name
MAPBOX 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MAPBOX
Participants
535 (249 active employees)
Former employees with a balance
278
Plan assets
$41,586,846 at Dec 31, 2024
Average account balance
$83,844 across 496 accounts
Employer contributions
$1,594,654 in plan year 2024 (22% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 1, 2015
✓ Employer contributions— Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments✓ Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 2, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $7.25 million went into the plan in contributions, $1.59 million of it from the employer (22%).
  • $6.77 million was paid out to participants.
  • Investment and other income added $5.87 million.
  • Administrative expenses were $37,945, about $77 per account.

How the Mapbox 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019394$16.2 million$1.59 million$1.28 million
2020468$24.4 million$1.76 million$2.09 million
2021487$32.9 million$1.80 million$3.61 million
2022569$29.0 million$1.58 million$3.46 million
2023583$35.3 million$1.40 million$4.14 million
2024535$41.6 million$1.59 million$6.77 million

Mapbox 401(k) Contact Information

Phone
202-250-3633
Mailing address
1133 15TH ST NW SUITE 825, WASHINGTON DC 20005
Plan sponsor
MAPBOX
Employer identification number (EIN)
46-1792659
Plan number
001

Questions about the Mapbox 401(k)

Does Mapbox contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.59 million, 22% of all contributions.

Does the Mapbox 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Mapbox 401(k) plan?

535 participants at the start of plan year 2024, 249 of them active employees, and 278 former employees who still had money in the plan.

What is the average 401(k) balance at Mapbox?

About $83,844 per account: $41.6 million in plan assets across 496 accounts with a balance at the end of plan year 2024.

Who manages the Mapbox 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Mapbox. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

Related Companies
Headquarter: 6212 WALNUT STREET, PHILADELPHIA, PA, 19139
Headquarter: 801 CRESCENT CENTRE DRIVE SUITE 300, FRANKLIN, TN, 37067
Headquarter: C/O BECHTEL RETIREMENT PLANS GROUP 5323 N 99TH AVENUE SUITE 100, GLENDALE, AZ, 85305
Headquarter: 2211 CONGRESS STREET SUITE 180, PORTLAND, ME, 04102
Headquarter: 4101 WASHINGTON AVENUE BUILDING 909-6, NEWPORT NEWS, VA, 23607