Employer · plans filed under one EIN
Simpson Thacher & Bartlett LLP
New York, NY · Professional, scientific and technical services
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.
6 retirement plans with 100 or more participants file Form 5500 under Simpson Thacher & Bartlett LLP's employer identification number (New York, New York). Their latest filings total 4,722 participant records and $1.26B in net assets.
The largest is Simpson, Thacher & Bartlett LLP Cash Or Deferred Plan for Senior Counsel, Counsel & Associates, a 401(k) plan with 2,145 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 $43.9M and participant contributions $35.4M in the latest plan years; benefits paid were $86.2M. Schedule C compensation reported to service provider organisations totalled $91K.
Combined net assets moved from $338M in 2009 to $1.26B in 2024 (up 273%). Plan mergers and spin-offs show up here as steps in the series.
Plans
| Plan | Kind | Plan year | Participants | Net assets | Per participant | Employer / active | Sch. C compensation |
|---|---|---|---|---|---|---|---|
| Simpson, Thacher & Bartlett LLP Cash Or Deferred Plan for Senior Counsel, Counsel & Associates | 401(k) plan | 2024 | 2,145 | $306M | $142,637 | $12 | $0 |
| Simpson, Thacher & Bartlett Profit Sharing Plan for Partners and Non Legal Employees | 401(k) plan | 2024 | 1,512 | $456M | $301,484 | $6,819 | $0 |
| Retirement Plan for Non Legal Employees of STB LLP | defined benefit pension plan | 2024 | 462 | $37.1M | $80,331 | $200,000 | $0 |
| Simpson, Thacher and Bartlett LLP Supplemental Profit Sharing Plan for Partners | profit-sharing plan | 2024 | 263 | $237M | $900,258 | $41,654 | $0 |
| Simpson Thacher& Bartlett LLP Cash Balance Plan II | cash balance pension plan | 2024 | 172 | $52.2M | $303,575 | $155,526 | $0 |
| Cash Balance Plan for Partners & Sr. Staff of STB LLP | cash balance pension plan | 2024 | 168 | $172M | $1,023,565 | — | $91K |
| 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
| Plan year | Plans | Participant records | Net assets | Employer contributions | Participant contributions |
|---|---|---|---|---|---|
| 2024 | 6 | 4,722 | $1.26B | $43.9M | $35.4M |
| 2023 | 6 | 4,645 | $1.09B | $44.0M | $31.1M |
| 2022 | 5 | 4,346 | $920M | $28.4M | $27.5M |
| 2021 | 5 | 4,170 | $1.13B | $27.3M | $23.7M |
| 2020 | 5 | 3,937 | $965M | $27.0M | $21.0M |
| 2019 | 5 | 3,974 | $848M | $33.6M | $19.3M |
| 2018 | 5 | 4,154 | $685M | $25.1M | $18.3M |
| 2017 | 5 | 4,080 | $724M | $26.3M | $17.2M |
| 2016 | 5 | 4,073 | $622M | $26.7M | $15.8M |
| 2015 | 5 | 4,094 | $583M | $24.1M | $15.1M |
| 2014 | 5 | 4,083 | $579M | $25.9M | $14.4M |
| 2013 | 5 | 4,002 | $541M | $26.9M | $13.9M |
| 2012 | 5 | 3,953 | $468M | $21.2M | $13.9M |
| 2011 | 5 | 3,844 | $416M | $32.6M | $13.8M |
| 2010 | 4 | 3,527 | $371M | $9.4M | $13.5M |
| 2009 | 4 | 3,635 | $338M | $9.4M | $14.3M |
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
| Organisation | Services reported | Plans | Compensation reported |
|---|---|---|---|
| Thompson Street Capital Partners VI | Investment management | 1 | $40,000 |
| Littlejohn Fund VI LP | — | 1 | $32,670 |
| Thompson Street Capital Partnrs V L | Investment management | 1 | $18,517 |
Organisations paid $5,000 or more by any of these plans, from Schedule C. Individuals are not shown.
Questions and answers
How many retirement plans does Simpson Thacher & Bartlett LLP have?
6 plans with 100 or more participants filed Form 5500 under its employer identification number for the latest plan years: Simpson, Thacher & Bartlett LLP Cash Or Deferred Plan for Senior Counsel, Counsel & Associates, Simpson, Thacher & Bartlett Profit Sharing Plan for Partners and Non Legal Employees, Retirement Plan for Non Legal Employees of STB LLP and Simpson, Thacher and Bartlett LLP Supplemental Profit Sharing Plan for Partners and others. Smaller plans and plans filed under a subsidiary's number are not grouped here.
How much does Simpson Thacher & Bartlett LLP contribute to its plans?
$43,940,887 in employer contributions across these plans in their latest plan years, about $15,110 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 Thompson Street Capital Partners VI, Littlejohn Fund VI LP and Thompson Street Capital Partnrs V L. 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.