Alkermes 401(k) match, vesting and fees

Plan year 2024 filingAlkermes, Inc. 401(k) Retirement Savings Plan · Plan 001 · EIN 23-2472830Updated Oct 2026

What Alkermes' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $15.1M in employer contributions, about $5,904 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$188,227
Average account balance
2,576
Participants (end of year)
$480M
Plan assets (end of year)
0.07%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperThe Vanguard Group, Inc.Schedule C ↗
Independent auditorStowe & Degon (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 1,087 defined-contribution plans in professional, scientific, and technical services with 1,000 to 4,999 participants.

Alkermes: employer contribution per participant$5,904
Peer median$2,556
Alkermes: average balance$188,227
Peer median$100,166
Alkermes: admin expenses ÷ assets0.07%
Peer median0.11%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $415M at the end of plan year 2021 to $480M at the end of plan year 2024.

$415M2021$360M2022$423M2023$480M2024
End-of-year figures from each plan year's Form 5500 filing for the Alkermes plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
20242,576$480M$15.1M$5,9040.07%Not publishedForm 5500 ↗
20232,636$423M$16.2M$6,1890.05%Not publishedForm 5500 ↗
20222,686$360M$15.3M$5,7560.03%Not publishedForm 5500 ↗
20212,636$415M$14.6M$5,5850.03%Not publishedForm 5500 ↗

Common questions

Does Alkermes match 401(k) contributions?

The match terms for the Alkermes, Inc. 401(k) Retirement Savings Plan have not been published from its filing yet. The plan year 2024 filing reports $15.1M in employer contributions, about $5,904 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Alkermes 401(k) match vested?

The vesting schedule for the Alkermes, Inc. 401(k) Retirement Savings Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Alkermes 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is The Vanguard Group, Inc.. The plan administrator is Alkermes, Inc..

I left Alkermes. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Alkermes, Inc., (781) 609-6000) or the recordkeeper, The Vanguard Group, Inc.. The Alkermes old 401(k) page lists the contacts from every plan filing. Find an old Alkermes 401(k)

Data from the public Form 5500 annual reports Alkermes filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Alkermes. Not financial advice. Report a correction · Methodology