Tax-exempt organization ยท Files a Form 5500
HENRY FRANCIS DU PONT WINTERTHUR MUSEUM INC
Also filed as THE HENRY FRANCIS DUPONT WINTERTHUR MUSEUM
5105 KENNETT PIKE, WINTERTHUR, DE 19735-1819
EIN
51-0066038
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Publicly supported charity (170(b)(1)(A)(vi))
IRS · 2026-09
IRS ruling date
1953-05
IRS · 2026-09
NTEE code
A510
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$63,522,418
IRS · 2026-09
Assets (latest 990)
$469,717,386
IRS · 2026-09
Benefit plan 504, 2024 filing
WINTERTHUR MUSEUM GROUP MEDICAL PLAN
DOL · 2025-10-15
Participants (start of year)
141
DOL · 2025-10-15
Plan features
Health (other than dental or vision)
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15
Business code (NAICS)
712100
DOL · 2025-10-15
Benefit plan 502, 2024 filing
THE HENRY FRANCIS DUPONT WINTERTHUR MUSEUM, INC. FLEXIBLE BENEFIT PLAN
DOL · 2025-10-14