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

Solenis, Llc 401(k) Plan Facts

Plan name
SOLENIS, LLC EMPLOYEE SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
SOLENIS, LLC
Participants
2,539 (3,182 active employees)
Former employees with a balance
1,013
Plan assets
$631,107,311 at Dec 31, 2024
Average account balance
$154,343 across 4,089 accounts
Employer contributions
$23,033,840 in plan year 2024 (46% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Aug 1, 2014
✓ 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 14, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $50.0 million went into the plan in contributions, $23.0 million of it from the employer (46%).
  • $45.4 million was paid out to participants.
  • Investment and other income added $58.7 million.
  • Administrative expenses were $283,426, about $69 per account.

How the Solenis, Llc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20191,488$238.0 million$14.5 million$16.6 million
20201,826$283.2 million$14.3 million$23.8 million
20211,774$323.4 million$18.3 million$36.4 million
20221,868$351.4 million$21.2 million$33.3 million
20232,332$430.0 million$21.8 million$39.8 million
20242,539$631.1 million$23.0 million$45.4 million

Solenis, Llc 401(k) Contact Information

Phone
302-502-0751
Mailing address
2475 PINNACLE DRIVE, WILMINGTON DE 19803
Plan sponsor
SOLENIS, LLC
Employer identification number (EIN)
46-5612095
Plan number
001

Questions about the Solenis, Llc 401(k)

Does Solenis, Llc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $23.0 million, 46% of all contributions.

Does the Solenis, Llc 401(k) have automatic enrollment?

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

How many people are in the Solenis, Llc 401(k) plan?

2,539 participants at the start of plan year 2024, 3,182 of them active employees, and 1,013 former employees who still had money in the plan.

What is the average 401(k) balance at Solenis, Llc?

About $154,343 per account: $631.1 million in plan assets across 4,089 accounts with a balance at the end of plan year 2024.

Who manages the Solenis, Llc 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 Solenis, Llc. 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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