Amgen Manufacturing, Limited 401(k) Plan: Login, Facts & Contact Information

Amgen Manufacturing, Limited 401(k) Plan Facts

Plan name
THE RETIREMENT AND SAVINGS PLAN FOR AMGEN MANUFACTURING LIMITED LLC
Plan type
401(k) and profit sharing
Plan sponsor
AMGEN MANUFACTURING LIMITED LLC
Participants
3,241 (2,589 active employees)
Former employees with a balance
490
Plan assets
$779,532,675 at Dec 31, 2024
Average account balance
$244,368 across 3,190 accounts
Employer contributions
$21,287,553 in plan year 2024 (52% of all contributions)
Recordkeeper
Merrill Lynch Fenner & Smith
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2004
— 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 Oct 9, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $40.8 million went into the plan in contributions, $21.3 million of it from the employer (52%).
  • $33.1 million was paid out to participants.
  • Investment and other income added $53.5 million.
  • Administrative expenses were $632,243, about $198 per account.

How the Amgen Manufacturing, Limited 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20192,530$543.1 million$15.6 million$10.4 million
20202,747$611.3 million$18.6 million$36.6 million
20212,980$685.4 million$20.0 million$17.3 million
20223,197$610.7 million$20.2 million$35.7 million
20233,307$719.3 million$20.2 million$24.5 million
20243,241$779.5 million$21.3 million$33.1 million

Amgen Manufacturing, Limited 401(k) Contact Information

Phone
787-734-2000
Mailing address
PO BOX 4060, ROAD 31, KM 24.6, JUNCOS PR 007774060
Plan sponsor
AMGEN MANUFACTURING LIMITED LLC
Employer identification number (EIN)
98-0210484
Plan number
001

Questions about the Amgen Manufacturing, Limited 401(k)

Does Amgen Manufacturing, Limited contribute to the 401(k)?

The plan does not report an employer matching arrangement on its Form 5500. It did report $21.3 million in employer contributions for plan year 2024.

Does the Amgen Manufacturing, Limited 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Amgen Manufacturing, Limited 401(k) plan?

3,241 participants at the start of plan year 2024, 2,589 of them active employees, and 490 former employees who still had money in the plan.

What is the average 401(k) balance at Amgen Manufacturing, Limited?

About $244,368 per account: $779.5 million in plan assets across 3,190 accounts with a balance at the end of plan year 2024.

Who manages the Amgen Manufacturing, Limited 401(k) accounts?

Merrill Benefits OnLine (listed on the filing as MERRILL LYNCH FENNER & SMITH) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Amgen Manufacturing, Limited. How do I access my 401(k)?

Your account stays with Merrill Benefits OnLine 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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