Tax-exempt organization ยท Files a Form 5500
ALLEN INSTITUTE
615 WESTLAKE AVE N, SEATTLE, WA 98109-4307
EIN
91-2155317
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Hospital or medical research organization
IRS · 2026-09
IRS ruling date
2004-07
IRS · 2026-09
NTEE code
H96
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$272,058,206
IRS · 2026-09
Assets (latest 990)
$367,120,032
IRS · 2026-09
Benefit plan 1, 2024 filing
ALLEN INSTITUTE 401(K) PLAN
DOL · 2025-08-19
Participants (start of year)
1,153
DOL · 2025-08-19
Plan features
code 2F2G2J2K2T2E
DOL · 2025-08-19
Plan type
Single-employer plan
DOL · 2025-08-19
Business code (NAICS)
541700
DOL · 2025-08-19
Benefit plan 501, 2024 filing
ALLEN INSTITUTE HEALTH AND WELFARE PLAN
DOL · 2025-07-16