B
Plymouth Rock Assurance Corp
Boston,  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 Plymouth Rock Assurance Corp
Boston, MA
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Rating B
Capitalization Index 7.20
Investment Safety Index --
Liquidity Index 5.40
Profitability Index 6.00
Reserve Adequacy Index 6.90
Stability Index 7.90
Company Info Plymouth Rock Assurance Corp
Boston, MA
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Industry P&C
NAIC Number 14737
Phone Number (617) 720-1620
Website www.plymouthrock.com
Address 695 Atlantic Avenue Boston, MA 02111
Balance Sheet Plymouth Rock Assurance Corp
Boston, MA
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Total Assets 1.58B
Capital and Reserves Plymouth Rock Assurance Corp
Boston, MA
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Risk-Adjusted Capital Ratio #1 1.60
Risk-Adjusted Capital Ratio #2 1.14
1-Year Reserve Development -1.27%
2-Year Reserve Development 1.92%
Capital 554.47M
Premium to Surplus 123.30%
Reserves to Surplus 66.49%
Investments Plymouth Rock Assurance Corp
Boston, MA
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Cash --
CMO & Structured Securities --
Common & Preferred Stock --
Invested Assets --
Investments in Affiliates 9.16%
Mortgages in Good Standing --
Non-Investment Grade Bonds --
Non-Performing Mortgages --
Other Investment Grade Bonds --
Other Investments --
Real Estate --
Operating Ratios Plymouth Rock Assurance Corp
Boston, MA
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Medical Loss Ratio --
Cash From Underwriting 117.03%
Combined Ratio 92.79%
Expense Ratio 21.90%
Loss Ratio 70.89%
Net Premium Growth -2.31%
Other Medical Plymouth Rock Assurance Corp
Boston, 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 Plymouth Rock Assurance Corp
Boston, MA
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Net Income 90.47M
Net Premium 683.63M
Health Premium --