AJG

Arthur J. Gallagher & Co.

October 15, 2026 · market open

Rarity
1.54
Peak move
+6.54%
Float cap
$60.4B

Arthur J. Gallagher & Co. provides insurance brokerage, reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services. It serves commercial, nonprofit, public-sector, captive, and insurance-related clients, as well as individuals, from offices worldwide. It also places insurance and reinsurance, manages employer-sponsored benefit programs, and offers risk-management consulting and claims administration.

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What we found

9 events · 0 from SEC or newswire · 0 timed with the move
  • Key eventpeer_disclosure

    Marsh & McLennan (MRSH), renamed Marsh, reported Q3 2026 EPS of $2.03 vs $1.97 est and revenue of $6.86B vs $6.64B est, absorbing $144M in Greensill litigation charges.

  • Key eventgeopolitical

    Gallagher Re said Hurricane Isaias, which made landfall near Destin, Florida on 9 October as a Category 2 storm, caused insured losses in the low-to-mid single-digit billions and is unlikely to affect 1 January reinsurance renewals.

  • Key eventregulatory_action

    The UK government consultation on a new UK captive insurance regime closed on October 14, 2026, with the framework expected to launch in summer 2027.

  • executive_appointment

    Gallagher appointed Jörg M. Seidel as Client Director at Krose, its German risk management and insurance business for large blue-chip clients.

  • reg_fd_disclosure

    Arthur J. Gallagher & Co. released its 2026 US Financial Benchmarks Report, based on 3,717 US organizations surveyed January-March 2026, finding 85% offer retirement benefits and 57% use auto-enrollment.

  • institutional_flow

    Heffernan Advisory Inc. disclosed a new Q3 position of 126,416 Arthur J. Gallagher & Co. shares worth approximately $28.8 million, making AJG its second-largest portfolio holding at about 19.5%.

  • executive_appointment

    Marsh Re appointed Blake Berman as Head of Advisory for North America.

  • executive_appointment

    Aon plc appointed Leonora Siccardi to the newly created role of Global Chief Execution Officer, Risk Capital and Human Capital, effective immediately.

  • peer_disclosure

    Marsh (MRSH) and Bloomberg New Economy announced the launch of their Competitive Resilience Coalition to help businesses anticipate and manage risk.