Coverage by line
Premium dollars by benefit type (bundled lines overlap)
- Health$1.5M
- Other$1.4M
- Life$1.3M
- Long-term disability$1.3M
- Vision$219K
- Dental$127K
- +1 more
Sponsor portfolioTH
WILLIAM BLAIR & COMPANY, LLC
EIN 36-2214610financial servicesLatest filing 2025
Plans
2
Retirement
1
$1.37B assets
Welfare
1
$3.2M premiums
Participants
4,627
THE WILLIAM BLAIR BUILDING, 150 N. RIVERSIDE PLAZA - CHICAGO, IL 606061594312-236-1600williamblair.comLinkedIn1001-5000 employeesfinancial services
Plans on this EIN
2 filingsBenefits portfolio analytics
1 plan / $3.2M premiums / 3,186 covered livesCarrier market share
Premium dollars by Schedule A carrier
43%top
- BLUE CROSS OF CALIFORNIA43%
- HARTFORD LIFE AND ACCIDENT42%
- EYEMED VISION CARE7%
- CIGNA HEALTH AND LIFE INSURANCE COMPANY4%
- KAISER FOUNDATION HEALTH PLAN INC3%
- +1 more
Broker market share
Schedule A broker compensation
91%top
- AON CONSULTING INC91%
- WILLIAM BLAIR & COMPANY LLC9%
Plan deep-dives
Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.Retirement#001
WILLIAM BLAIR 401(K) AND PROFIT SHARING PLAN
401k
Assets$1.37B
Participants2,756
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501
WILLIAM BLAIR & COMPANY HEALTH BENEFITS PLAN
Mixed - BLUE CROSS BLUE SHIELD OF ILLINOIS
Premiums$3.2M
Covered lives3,186
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 001 | WILLIAM BLAIR 401(K) AND PROFIT SHARING PLAN | 401k | $1.37B | 2,756 | 2025 |
Welfare plans1
| Plan # | Name | Funding | Carrier | Premiums | Covered | Latest year | |
|---|---|---|---|---|---|---|---|
| 501 | WILLIAM BLAIR & COMPANY HEALTH BENEFITS PLAN | Mixed | BLUE CROSS BLUE SHIELD OF ILLINOIS | $3.2M | 3,186 | 2025 |
Retirement plans
Welfare plans