New 401(k) plans: Missouri
401(k) plans whose sponsor is in Missouri that filed a Form 5500 or 5500-SF for plan year 2025, from the U.S. Department of Labor's public datasets (files dated 2026-09-25, filings received up to 2026-09-24). A plan counts as new when its filing is marked as the plan's first return. Most 2025 returns are due by July 31, 2026 or, with an extension, October 15, 2026, so the year's counts are still growing.
401(k) plans file their first Form 5500 after their first plan year ends, so most plans counted here started in 2025. Of the 692 new plans, 675 (98%) have a plan effective date in 2025, 4 in 2024 and 13 before 2024.
New 401(k) plans by month the filing was received
| Month received | New 401(k) plans |
|---|---|
| 2026-04 | 29 |
| 2026-05 | 161 |
| 2026-06 | 75 |
| 2026-07 | 329 |
| 2026-08 | 46 |
| 2026-09 | 41 |
Last six months of filings received by DOL for plan year 2025. Received date, not plan start date.
By industry
| Industry (NAICS) | New 401(k) plans | All 401(k) plans filing |
|---|---|---|
| Admin & Support Services (56) | 25 | 296 |
| Arts & Recreation (71) | 11 | 100 |
| Construction (23) | 79 | 921 |
| Education (61) | 10 | 73 |
| Finance & Insurance (52) | 42 | 593 |
| Health Care (62) | 90 | 1,292 |
| Hotels & Restaurants (72) | 28 | 199 |
| Information (51) | 21 | 146 |
| Manufacturing (31-33) | 29 | 836 |
| Other Services (81) | 122 | 605 |
| Professional Services (54) | 131 | 1,622 |
| Real Estate (53) | 20 | 225 |
| Retail Trade (44-45) | 31 | 540 |
| Transportation (48-49) | 19 | 228 |
| Wholesale Trade (42) | 16 | 460 |
Industry from the sponsor's NAICS business code. Industries with fewer than 10 new plans in the state don't get their own page.
New 401(k) plans: counts only
692 new 401(k) plans filed a first Form 5500 or 5500-SF here. 111 of these new plans have a sponsor name that may be a person's name.
We show counts only and don't list individual plans on this site. Listing some plans would let anyone work out the rest from DOL's public files, including plans whose sponsor name may be a person's name. Individual filings can be looked up on DOL's EFAST2 search.
Source
U.S. Department of Labor, EBSA Form 5500 datasets: F_5500_2025_Latest and F_5500_SF_2025_Latest (files dated 2026-09-25). 401(k) plans are those with pension feature code 2J. Amended returns are merged, keeping the latest. Counts are row counts; nothing is estimated. Method.
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We're considering a monthly alert: new 401(k) plans in your state this month, $49/mo per state, with sponsor, city, industry, participant count and the filing ID, as an email and a CSV. 401(k) plans file their first Form 5500 after their first plan year ends, so most plans listed here started in 2025. DOL's files are refreshed about monthly, so the list is monthly too. Built for financial advisors, TPAs and recordkeeper sales teams looking for newly formed plans. It isn't available yet: there's no trial running and nothing is charged. Request a trial and we'll email you if it launches.
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