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  2. MONOLITHIC POWER SYSTEMS, INC.
Sponsor portfolioTH

MONOLITHIC POWER SYSTEMS, INC.

EIN 77-0466789-Latest filing 2025
Plans
2
Retirement
1
$91.0M assets
Welfare
1
$8.1M premiums
Participants
975
79 GREAT OAKS BOULEVARD - SAN JOSE, CA 95119408-826-0600
Plans on this EIN
2 filings
#001401k-$91.0M - 512 part#501Fully Insured-$8.1M - 732 lives

Benefits portfolio analytics

1 plan / $8.1M premiums / 732 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$7.1M
  • Prescription drug$1.6M
  • Dental$516K
  • Life$382K
  • Other$300K
  • Long-term disability$82K
  • +2 more
Total $8.1M8 rows

Carrier market share

Premium dollars by Schedule A carrier

Multi-vendor
67%top
  • BLUE CROSS OF CALIFORNIA67%
  • KAISER FOUNDATION HEALTH PLAN INC19%
  • AMERITAS LIFE INSURANCE CORP.6%
  • UNITED OF OMAHA LIFE INSURANCE COMPANY6%
  • VISION SERVICE PLAN1%
  • +2 more
Total $8.1M7 slices

Broker market share

Schedule A broker compensation

Split broker
92%top
  • ACRISURE LLC92%
  • FILICE INSURANCE AGENCY8%
Total $404K2 slices

Plan deep-dives

Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.
Retirement#001

MONOLITHIC POWER SYSTEMS, INC. 401(K) SAVINGS PLAN

401k

Assets$91.0M
Participants512
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501

MONOLITHIC POWER SYSTEMS, INC. HEALTH & WELFARE BENEFIT PLAN

Fully Insured - BLUE CROSS OF CALIFORNIA

Premiums$8.1M
Covered lives732
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive

Retirement plans1

Plan #NameTypeAssetsParticipantsLatest year
001MONOLITHIC POWER SYSTEMS, INC. 401(K) SAVINGS PLAN401k$91.0M5122024

Welfare plans1

Plan #NameFundingCarrierPremiumsCoveredLatest year
501MONOLITHIC POWER SYSTEMS, INC. HEALTH & WELFARE BENEFIT PLANFully InsuredBLUE CROSS OF CALIFORNIA$8.1M7322025
Retirement plans
Welfare plans
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