There are a few thousand in the US, but most are so small that an index wouldn't be much. NCEO maintains lists but they're paid (and priced for consultants): ht

There are a few thousand in the US, but most are so small that an index wouldn't be much. NCEO maintains lists but they're paid (and priced for consultants): https://www.nceo.org/employee-ownership-data/esop-company-lists https://www.nceo.org/employee-ownership-data/esop-company-li... DOL posts Form 5500 filings but they lag by 2-3 years: https://www.dol.gov/agencies/ebsa/employers-and-advisers/plan-administration-and-compliance/reporting-and-filing/form-5500 https://www.dol.gov/agencies/ebsa/employers-and-advisers/pla... As of 2021 they listed 6,533 ESOP filings at a combined asset cap of about $2T. For context Apple's market cap just passed $3T in December.