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  2. The William and Flora Hewlett Foundation
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Filings through Oct 24, 2026.

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The William and Flora Hewlett Foundation

EIN 94-1655673-Other Services (except Public Administration)-Latest filing 2025
Plans
2
Retirement
1
$131.5M assets
Health & Benefits
1
$3.6M premiums
Participants
419
2121 SAND HILL ROAD - MENLO PARK, CA 94025650-234-4500
Plans on this EIN
2 filings
#001403(b)-$131.5M - 256 part#503Fully insured-$3.6M - 507 lives

Health & Benefits portfolio - carriers, brokers and premium across this company's health and benefits plan.

Benefits portfolio analytics

1 plan / $3.6M premiums / 507 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$3.1M
  • Prescription drug$3.1M
  • Dental$230K
  • Other$175K
  • Life$134K
  • Short-term disability$134K
  • +2 more
Total $3.6M8 rows
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Plan summaries

Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.

Retirement#001

THE WILLIAM AND FLORA HEWLETT FOUNDATION 403(B) PLAN

403(b)

Assets$131.5M
Participants256
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#503

THE WILLIAM AND FLORA HEWLETT FOUNDATION EMPLOYEE HEALTH AND WELFARE BENEFIT PLAN

Fully insured - CALIFORNIA PHYSICIANS SERVICE

Premiums$3.6M
Covered lives507
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

1 plan on this EIN

PlanNameTypeAssetsParticipantsLatest year
#001THE WILLIAM AND FLORA HEWLETT FOUNDATION 403(B) PLAN403(b)$131.5M2562025
  • THE WILLIAM AND FLORA HEWLETT FOUNDATION 403(B) PLAN$131.5M
    #001 · 403(b) · 2025256

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#503THE WILLIAM AND FLORA HEWLETT FOUNDATION EMPLOYEE HEALTH AND WELFARE BENEFIT PLANFully insuredCALIFORNIA PHYSICIANS SERVICE$3.6M5072025
  • THE WILLIAM AND FLORA HEWLETT FOUNDATION EMPLOYEE HEALTH AND WELFARE BENEFIT PLAN$3.6M
    #503 · Fully insured · CALIFORNIA PHYSICIANS SERVICE · 2025507
Retirement plans
Health & Benefits plans

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