Best of Artemis, week ending August 3rd 2025

Here are the ten most popular news articles, week ending August 3rd 2025, covering catastrophe bonds, ILS, reinsurance capital and related risk transfer topics. To ensure you never miss a thing subscribe to the weekly Artemis email newsletter updates or get our email alerts for every article we publish.

1. Nephila catastrophe premiums soar, revenue rises, as Markel sells reinsurance renewal rights
   Nephila Capital, the insurance-linked securities (ILS) investment manager arm of Markel, has written 75% more in property catastrophe reinsurance premiums in the second-quarter of 2025, as the ILS manager continues to do more with less since its integration into the Markel business.
2. Guy Carpenter hires RenRe’s Matthew Flynn as Head of Global Clients, Global Specialties
   Guy Carpenter has appointed property catastrophe retrocession and collateralized reinsurance specialist, Matthew Flynn, to the newly created role of Head of Global Clients for its Global Specialties business.
3. Aon unlocks new capital for commercial clients with data, analytics, parametrics, ILS: CEO
   Aon is seeing strong growth in uptake of parametric solutions among its corporate and commercial clients, unlocking new capital sources for them by bringing together its reinsurance and analytics capabilities, alongside capacity from both traditional and insurance-linked securities (ILS) markets, comments by CEO Greg Case show.
4. Seawall Re first in a series of transactions with sideways / other perils focus: SageSure CEO
   In an interview with Artemis, Terrence McLean, Chief Executive Officer (CEO) of SageSure, discussed the firm’s debut reinsurance sidecar transaction Seawall Re Ltd., stating that he thinks of it as the first in a series of additional transactions which has a direct focus on sideways and other perils.
5. A soft market “under stress”, buyers opportunity may be short-lived: Aon
   Today’s soft market across insurance may be short-lived, as the global environment is volatile and systemic risks are rising, which means the opportunity for protection buyers may also not last, according to broker Aon.
6. Ascot says $500m Wayfare Re casualty sidecar a “key achievement” in Leadline build out
   Ascot Group, the specialist global re/insurance underwriter, confirmed the news on the launch of a new casualty reinsurance sidecar partnership, with the Wayfare Re vehicle expected to be capitalised by equity investments from Antares Capital and Ascot, at a transaction size of approximately $500 million.
7. Cat bond market momentum positions 2025 for exceptional year of issuance: Swiss Re
   Catastrophe bond market momentum is anticipated to continue through the second-half of 2025, which added to a significant record set for the first-half leads Swiss Re Capital Markets to say the cat bond sector is positioned for an exceptional year of issuance.
8. Allstate buys $325m homeowners aggregate reinsurance, renews taller Florida tower
   Allstate has purchased a new aggregate reinsurance cover for its US homeowners business at the mid-year renewals, adding what is a new protection feature for the company that covers events greater than $1 million and will provide $325 million of placed aggregate limit, across a $500 million layer excess of a $3.5 billion retention.
9. California utility LADWP seeks third wildfire cat bond, up to $150m 123 Lights Re
   The Los Angeles Department of Water and Power (LADWP), the largest municipal utility operating in the United States, has returned to the catastrophe bond market for its third time, seeking up to $150 million of wildfire protection from a 123 Lights Re Ltd. (Series 2025-1) issuance.
10. Japan Post Insurance makes $2bn investment into Global Atlantic reinsurance sidecar
    Japan Post Insurance has now agreed its planned $2 billion investment into a new reinsurance co-investment vehicle, or sidecar, to gain access to the strategic returns from business activity of KKR’s U.S. life, retirement and annuities insurance and reinsurance company, Global Atlantic Financial Group.

This is not every article published on Artemis during the last week, just the most popular among our readers over the last seven days. There were 36 new articles published in the last week.

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