C
Mitsui Sumitomo Ins Co Am
Warren,  NJ
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
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Major Rating Factors: Fair overall results on stability tests (4.6 on a scale of 0 to 10) including weak results on operational trends and excessive premium growth. The largest net exposure for one risk is conservative at 1.2% of capital. Good long-term capitalization index (6.6) based on good current risk adjusted capital (severe loss scenarios), although results have slipped from the excellent range during the last year. Good overall profitability index (6.0) despite operating losses during 2023.
Other Rating Factors: Ample reserve history (8.1) that helps to protect the company against sharp claims increases. Good liquidity (7.0) with sufficient resources (cash flows and marketable investments) to handle a spike in claims.
Stability Factors: T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Comm multi (13.9%), work comp (7.8%), personal/comm auto (7.3%), fire (0.8%), product liab. (0.7%), homeowners (0.2%), other (69.3%)
Licensed in: All states and PR
Principal Investments: Investment grade bonds (88.0%), cash (1.8%), common stock (1.5%), real estate (0.7%), non investment grade bonds (0.4%), other (7.5%)
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Premium to Surplus
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1-Year Reserve Development
2-Year Reserve Development
Expense Ratio
Combined Ratio
Cash From Underwriting
Net Premium Growth
Investments in Affiliates
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Corporate Info
Group Affiliation
MS&AD Ins Group Holdings Inc
Investment Rating
--
Company Address
15 Independence Boulevard
Warren, NJ 07059
Phone Number
(908) 604-2900
NAIC Number
20362
Largest Affiliates
C
B
Warren, NJ - P&C
C
Honolulu, HI - P&C