Mediatek Usa Inc. 401(k) Plan: Login, Facts & Contact Information

Mediatek Usa Inc. 401(k) Plan Facts

Plan name
MEDIATEK USA 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MEDIATEK USA INC.
Participants
929 (757 active employees)
Former employees with a balance
252
Plan assets
$274,402,971 at Dec 31, 2024
Average account balance
$284,650 across 964 accounts
Employer contributions
$8,201,932 in plan year 2024 (27% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2000
✓ 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 26, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $30.3 million went into the plan in contributions, $8.20 million of it from the employer (27%).
  • $9.57 million was paid out to participants.
  • Investment and other income added $45.2 million.
  • Administrative expenses were $63,884, about $66 per account.

How the Mediatek Usa Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019565$120.1 million$2.71 million$4.68 million
2020600$160.8 million$3.17 million$7.50 million
2021609$190.0 million$3.64 million$11.4 million
2022651$153.0 million$4.64 million$8.24 million
2023779$208.6 million$6.84 million$8.22 million
2024929$274.4 million$8.20 million$9.57 million

Mediatek Usa Inc. 401(k) Contact Information

Phone
408-526-1899
Mailing address
2840 JUNCTION AVENUE, SAN JOSE CA 95134
Plan sponsor
MEDIATEK USA INC.
Employer identification number (EIN)
91-1854775
Plan number
001

Questions about the Mediatek Usa Inc. 401(k)

Does Mediatek Usa Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $8.20 million, 27% of all contributions.

Does the Mediatek Usa Inc 401(k) have automatic enrollment?

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

How many people are in the Mediatek Usa Inc 401(k) plan?

929 participants at the start of plan year 2024, 757 of them active employees, and 252 former employees who still had money in the plan.

What is the average 401(k) balance at Mediatek Usa Inc?

About $284,650 per account: $274.4 million in plan assets across 964 accounts with a balance at the end of plan year 2024.

Who manages the Mediatek Usa Inc 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 Mediatek Usa Inc. 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.

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