M&A Deal Summary

Octave Specialty Group Acquires ArmadaCare

On September 29, 2025, Octave Specialty Group acquired insurance company ArmadaCare from SiriusPoint for 250M USD

Acquisition Highlights
  • This is Octave Specialty Group’s 4th transaction in the Insurance sector.
  • This is Octave Specialty Group’s largest (disclosed) transaction.
  • This is Octave Specialty Group’s 4th transaction in the United States.
  • This is Octave Specialty Group’s 1st transaction in Maryland.

M&A Deal Summary

Date 2025-09-29
Target ArmadaCare
Sector Insurance
Buyer(s) Octave Specialty Group
Sellers(s) SiriusPoint
Deal Type Divestiture
Deal Value 250M USD

Target

ArmadaCare

Hunt Valley, Maryland, United States
ArmadaCare specializes in innovative supplemental health and workplace benefit products tailored to employer needs. ArmadaCare is based in Hunt Valley, Maryland.

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Buyer(S) 1

Buyer

Octave Specialty Group

New York, New York, United States

Category Company
Founded 1991
Sector Financial Services
Employees380
Revenue 236M USD (2024)
DESCRIPTION

Octave Specialty Group is a financial services holding company. Ambac’s core business is a growing specialty P&C distribution and underwriting platform. Octave Specialty Group was founded in 1991 and is based in New York, New York.


DEAL STATS #
Overall 4 of 4
Sector: Insurance M&A 4 of 4
Type: Divestiture M&A Deals 1 of 1
State: Maryland M&A 1 of 1
Country: United States M&A 4 of 4
Year: 2025 M&A 1 of 1
Size (of disclosed) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-09-29 Ambac Assurance Corp

Jersey City, New Jersey, United States

Ambac Assurance Corp (“AAC”) is a provider of financial guarantee insurance. Ambac Assurance Corp is headquartered in Jersey City, NJ, AAC also maintains offices in Greenwich, CT and, through its subsidiary Ambac UK Limited (“AUK”), in London, UK.

Sell $420M

Seller(S) 1

SELLER

SiriusPoint

Pembroke, Bermuda

Category Company
Founded 2011
Sector Insurance
Employees1,012
Revenue 2.6B USD (2024)
DESCRIPTION

SiriusPoint is a provider of various specialty property and casualty reinsurance products. SiriusPoint was founded in 2011 and is based in Pembroke, Bermuda.


DEAL STATS #
Overall 1 of 1
Sector: Insurance M&A 1 of 1
Type: Divestiture M&A Deals 1 of 1
State: Maryland M&A 1 of 1
Country: United States M&A 1 of 1
Year: 2025 M&A 1 of 1
Size (of disclosed) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2020-08-06 Sirius International Insurance Group

Hamilton, Bermuda

Sirius International Insurance Group, Ltd. is a provider of reinsurance services through its operating companies.

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