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Sponsor portfolioWelfare / HealthEIN 94-3092543

CORNERSTONE RESEARCH, INC.

699 BOYLSTON STREET, 5TH FLOOR · BOSTON, MA 02116
6179273082
Plans filed
1
Years active
2015–2025
Industry
NAICS 54
Latest filing
2025
Total premiums (latest)
$2.4M
No prior year
Persons covered
1,653
No prior year
Total participants
1,054
No prior year
Plans filed
1
No prior year

Plans under this sponsor

1 plan
Plan #502$2.4M
CORNERSTONE HEALTH AND WELFARE PLAN
Mixed1,653 covered·8 carriers
Primary: DELTA DENTAL OF CALIFORNIA

Coverage overview

Aggregate, latest year
Benefit typePremiumShareDistribution
Dental$832K20.0%
Health$827K19.8%
Prescription drug$827K19.8%
Other$586K14.1%
Life$498K11.9%
Long-term disability$461K11.1%
Vision$137K3.3%

Carrier overview

7 carriers · all plans
CarrierCoverageTotal premiumSharePlansContractsCovered
DELTA DENTAL OF CALIFORNIA
EIN 941461312
D
$832K34.9%111,653
KAISER FOUNDATION HEALTH PLAN INC
EIN 941340523
HRx
$827K34.7%1291
THE LINCOLN NATIONAL LIFE INSURANCE COMPANY
EIN 350472300
LLTDOth
$461K19.4%111,043
VISION SERVICE PLAN
EIN 941632821
V
$137K5.8%11796
RELIASTAR LIFE INSURANCE COMPANY
EIN 410451140
Oth
$82K3.4%11213
HARTFORD LIFE AND ACCIDENT
EIN 060838648
LOth
$37K1.5%11119
CIGNA HEALTH AND LIFE INSURANCE COMPANY
EIN 591031071
Oth
$6K0.3%11675

Broker overview

1 broker · all plans
BrokerLocCarriersCommissionsFeesTotal compSharePlans
LOCKTON COMPANIES, LLCBLUE BELL, PARELIASTAR LIFE INSURANCE COMPANY, LINCOLN NATIONAL LIFE INSURANCE COMPANY, HARTFORD LIFE AND ACCIDENT, KAISER FOUNDATION HEALTH PLAN OF THE MID-ATLANTIC STATES, INC.$18K$21K$39K100.0%1

History & trajectory

11 years · all plans
Total premiums
Summed across all plans for this sponsor.
Persons covered
EOY headcount summed across all plans.
Carrier mix
Premium by top carriers, summed across plans.
Broker compensation
Comp by top brokers, summed across plans.

Policy details

Latest year, by plan
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