My Plan Facts

Employers › Pennsylvania

Employer · plans filed under one EIN

Lanxess Corporation

Pittsburgh, PA · Manufacturing

Form 5500 information is as filed by the plan administrator with the Department of Labor and may be amended. Figures reflect the plan year shown, not current balances.

$921Mnet assets across plans
4,477participant records1,938 active
$17.4Memployer contributions, latest plan years$8,996 per active record
$1.5MSchedule C compensation to organisations$346.01 per participant record

Lanxess Corporation, based in Pittsburgh, Pennsylvania, sponsors 2 retirement plans with 100 or more participants: 1 defined contribution and 1 defined benefit. Together they reported 4,477 participant records and $921M in net assets.

The largest is Lanxess Corporation Defined Contribution Plan, a 401(k) plan with 3,312 participants. A person can be counted in more than one plan, so the participant total is a count of records rather than of people.

Employer contributions across the plans were $17.4M and participant contributions $21.2M in the latest plan years; benefits paid were $133M. Schedule C compensation reported to service provider organisations totalled $1.5M.

Combined net assets moved from $207M in 2009 to $921M in 2024 (up 344%). Plan mergers and spin-offs show up here as steps in the series.

Plans

PlanKindPlan yearParticipantsNet assetsPer participantEmployer / activeSch. C compensation
Lanxess Corporation Defined Contribution Plan401(k) plan20243,312$806M$243,460$9,674$427K
Chemtura Corporation Retirement Plandefined benefit pension plan20241,165$114M$98,195—$1.1M
US median, plan year 2024: DC plans $53,102 per participant, $2,175 employer contribution per active participant; DB plans $86,221 and $10,244.

Trend by plan year

2009: $207M2010: $228M2011: $231M2012: $268M2013: $318M2014: $333M2015: $328M2016: $357M2017: $270M2018: $255M2019: $625M2020: $906M2021: $968M2022: $850M2023: $918M2024: $921M$207M$968M$921M20092012201620202024
Combined net assets
2009: 1,2992010: 1,2892011: 1,3172012: 1,4772013: 1,4962014: 2,3032015: 2,2862016: 1,4752017: 1,1222018: 1,2272019: 3,3202020: 4,9772021: 4,9732022: 5,4762023: 5,2752024: 4,4771,2995,4764,47720092012201620202024
Participant records
Plan yearPlansParticipant recordsNet assetsEmployer contributionsParticipant contributions
202424,477$921M$17.4M$21.2M
202325,275$918M$18.8M$21.9M
202225,476$850M$17.7M$20.0M
202124,973$968M$15.2M$17.5M
202024,977$906M$15.5M$17.0M
201913,320$625M$14.7M$15.9M
201811,227$255M$8.0M$7.5M
201711,122$270M$7.1M$6.5M
201611,475$357M$10.9M$9.7M
201512,286$328M$10.1M$8.6M
201412,303$333M$10.2M$8.1M
201311,496$318M$11.2M$8.7M
201211,477$268M$10.6M$7.8M
201111,317$231M$9.9M$7.3M
201011,289$228M$9.5M$6.8M
200911,299$207M$10.4M$7.1M

History of the plans listed above, in the years each filed the full Form 5500 with 100 or more participants. Plans that have since terminated are not included.

Service providers

OrganisationServices reportedPlansCompensation reported
SEI InvestmentsCustodial (securities); Trustee (bank, trust company, or similar financial institution); Trustee (directed); Investment advisory (plan)1$576,467
Willis Towers Watson US LLCActuarial; Recordkeeping and information management1$545,559
Vanguard Advisers Inc.Investment advisory (participants)1$237,425
The Vanguard Group, Inc.Recordkeeping and information management; Consulting (general); Trustee (directed); Participant loan processing1$189,640

Organisations paid $5,000 or more by any of these plans, from Schedule C. Individuals are not shown.

SEI Investments$576K
Willis Towers Watson US LLC$546K
Vanguard Advisers Inc.$237K
The Vanguard Group, Inc.$190K

Questions and answers

How many retirement plans does Lanxess Corporation have?

2 plans with 100 or more participants filed Form 5500 under its employer identification number for the latest plan years: Lanxess Corporation Defined Contribution Plan and Chemtura Corporation Retirement Plan. Smaller plans and plans filed under a subsidiary's number are not grouped here.

How much does Lanxess Corporation contribute to its plans?

$17,433,412 in employer contributions across these plans in their latest plan years, about $8,996 per active participant record. Form 5500 reports totals and not the match or accrual formula.

Who provides services to these plans?

Schedule C filings name SEI Investments, Willis Towers Watson US LLC, Vanguard Advisers Inc. and The Vanguard Group, Inc.. Only organisations paid $5,000 or more by a plan are listed on Schedule C.

Where does this come from?

Form 5500 annual reports filed with the Department of Labor's EFAST2 system, from the EBSA research files, with filings received through 24 Aug 2026. Figures are as filed and may be amended.

Provenance

Source: U.S. Department of Labor, Employee Benefits Security Administration, Form 5500 research files, public domain, with filings received through 24 Aug 2026. Plans are grouped by the sponsor's employer identification number exactly as filed; a company that files under several EINs appears as several employers. See the methodology and corrections.