The Henry L. Stimson Center403(b)

The Henry L. Stimson Center's 2024 Form 5500 did not separately report plan administrative expenses, which is common where recordkeeping is paid through investment revenue-sharing or a master trust. The plan held $14,614,046 across 171 participant accounts, with employer contributions averaging $4,362 per active participant. See methodology for what Form 5500 does and doesn't capture.

The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other other services employers. By assets it is among the smaller plans on file in District of Columbia (384th of 618), and the 1,312th of 3,341 in other services. In 2024, employees put in $1.67 for every $1.00 the employer contributed; active participation has grown from 42 to 70 since 2022.