A
Merrimack Ins Co
Andover,  MA
Rating Date
June 2026
NAIC
Classification
Risk Adjusted
Capital Ratio #1
Risk Adjusted
Capital Ratio #2
Loss
Ratio
Total
Assets
Capital
Net
Premiums
Net
Income
Weiss Ratings Merrimack Ins Co
Andover, MA
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Rating A
Capitalization Index 7.70
Investment Safety Index --
Liquidity Index 7.00
Profitability Index 5.30
Reserve Adequacy Index 6.90
Stability Index 8.50
Company Info Merrimack Ins Co
Andover, MA
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Industry P&C
NAIC Number 19798
Phone Number (978) 475-3300
Website www.andovercompanies.com
Address 95 Old River Road Andover, MA 01810
Balance Sheet Merrimack Ins Co
Andover, MA
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Total Assets 3.03B
Capital and Reserves Merrimack Ins Co
Andover, MA
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Risk-Adjusted Capital Ratio #1 1.74
Risk-Adjusted Capital Ratio #2 1.44
1-Year Reserve Development 1.86%
2-Year Reserve Development 0.90%
Capital 2.09B
Premium to Surplus 26.80%
Reserves to Surplus 14.92%
Investments Merrimack Ins Co
Andover, MA
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Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates 32.62%
Mortgages in Good Standing --
Non-Investment Grade Bonds --
Non-Performing Mortgages --
Other Investment Grade Bonds --
Other Investments --
Real Estate --
Operating Ratios Merrimack Ins Co
Andover, MA
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Medical Loss Ratio --
Cash From Underwriting 120.71%
Combined Ratio 90.74%
Expense Ratio 39.59%
Loss Ratio 51.15%
Net Premium Growth 12.73%
Other Medical Merrimack Ins Co
Andover, MA
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Bonus Pay --
Capitation Pay --
Contractual Pay --
Enrollment --
Fee For Service --
Medical Expense Per Member Per Month --
Network Physicians --
Other Pay --
Salary Pay --
Total Patient Encounters - Physician --
Total Patient Encounters-Non-Physician --
Profitability Merrimack Ins Co
Andover, MA
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Net Income 87.77M
Net Premium 559.67M
Health Premium --