Ii-vi Incorporated 401(k) Plan: Login, Facts & Contact Information

Ii-vi Incorporated 401(k) Plan Facts

Plan name
COHERENT CORP. 401(K) PROFIT SHARING PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
COHERENT CORP. · formerly Ii-vi Incorporated
Participants
5,065 (4,242 active employees)
Former employees with a balance
1,952
Plan assets
$1,214,095,038 at Dec 31, 2024
Average account balance
$199,130 across 6,097 accounts
Employer contributions
$16,490,929 in plan year 2024 (23% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jun 30, 1974
✓ 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 15, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $72.4 million went into the plan in contributions, $16.5 million of it from the employer (23%).
  • $157.6 million was paid out to participants.
  • Investment and other income added $146.5 million.
  • Administrative expenses were $356,286, about $58 per account.

How the Ii-vi Incorporated 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20192,751$367.3 million$10.8 million$21.1 million
20202,686$608.1 million$10.1 million$58.8 million
20214,233$697.5 million$11.8 million$45.2 million
20224,607$601.5 million$12.2 million$35.6 million
20234,897$1.15 billion$11.3 million$65.6 million
20245,065$1.21 billion$16.5 million$157.6 million

Ii-vi Incorporated 401(k) Contact Information

Phone
412-352-4455
Mailing address
375 SAXONBURG BLVD., SAXONBURG PA 160569430
Plan sponsor
COHERENT CORP.
Employer identification number (EIN)
25-1214948
Plan number
001

Questions about the Ii-vi Incorporated 401(k)

Does Ii-vi Incorporated contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $16.5 million, 23% of all contributions.

Does the Ii-vi Incorporated 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Ii-vi Incorporated 401(k) plan?

5,065 participants at the start of plan year 2024, 4,242 of them active employees, and 1,952 former employees who still had money in the plan.

What is the average 401(k) balance at Ii-vi Incorporated?

About $199,130 per account: $1.21 billion in plan assets across 6,097 accounts with a balance at the end of plan year 2024.

Who manages the Ii-vi Incorporated 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 Ii-vi Incorporated. 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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