Grinnell Mutual

Grinnell Mutual Reinsurance Company, SI
TypeMutual
IndustryInsurance, Reinsurance
FoundedApril 17, 1909
HeadquartersGrinnell, Iowa, USA
Number of locations
17 states
Key people
  • Dave Wingert, CEO Roby Shay, Chief Operating Officer
Number of employees
620 (as of August 2026)
Websitegrinnellmutual.com

Grinnell Mutual is a property-casualty mutual insurance company and reinsurer based in Grinnell, Iowa, United States.

Business performance

Grinnell Mutual is the 115th largest property-casualty insurance company in the U.S. (according to AM Best, as of July 2026). Its products are available in 17 states. Grinnell Mutual is also the largest direct reinsurer of farm mutual companies in North America and works with more than 1,700 local independent agencies and brokers in Illinois, Indiana, Iowa, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Oklahoma, Pennsylvania, South Dakota, and Wisconsin. As of Dec. 31, 2025, Grinnell Mutual had nearly $2 billion in total assets and over $1 billion in policyholder surplus.

In 2024, Grinnell Mutual undertook a project to reorganize the company as a mutual insurance holding company (MIHC). The reorganization was approved Sept. 18, 2024, by its members. On Oct. 30, 2024, the Iowa Insurance Commissioner held a public hearing on the matter. No input was received and the Commissioner approved the MIHC on Nov. 26, 2026. As of Jan. 1, 2025, Grinnell Mutual became a mutual insurance holding company (MIHC), and its legal name changed to Grinnell Mutual Reinsurance, SI.

The company has held an AM Best 'A' (Excellent) rating for financial strength since 1991.[1]

It has also received recognition as an Iowa Top Workplace every year since the award began in 2011, and a Top Workplace USA for five years running (as of 2026).

History

In 1909, the company was formed in Greenfield, Iowa as "Iowa Farmers Mutual Reinsurance Association" by John Evans to provide reinsurance for county mutuals in Iowa.[2] In 1933, the company moved to Grinnell, Iowa, and changed its name to "Farmers Mutual Reinsurance Association".[3] The name changed again in 1948 to "Farmers Mutual Reinsurance Company". In 1963, the company's name was changed to Grinnell Mutual Reinsurance Company. The current legal name, "Grinnell Mutual Reinsurance Company, SI" was adopted Jan. 1, 2025, to reflect its reorganization to a mutual insurance holding company.

In 2014, Grinnell Mutual was one of first six companies investing in the Global Insurance Accelerator,[4][5] the first startup accelerator for insurtech.

Awards

In addition to its 'A' rating from AM Best, Grinnell Mutual has been recognized as an Iowa Top Workplace since 2011, and as a Top Workplace USA for five years running (as of 2026).

Grinnell Mutual has been a global top workplace, too, earning a Gallup Exceptional Workplace Award four times. The award recognizes the most engaged workplace cultures globally.

References

  1. ↑ "AM Best Rating Services | Grinnell Mutual Reinsurance Company". AM Best Rating Services. AM Best. Retrieved 27 January 2022.
  2. ↑ "John Evans, President of the Iowa Association of Mutual Insurance Associations" (PDF). Iowa Insurance Hall Of Fame. Retrieved 27 May 2020.
  3. ↑ "John Evans, President of the Iowa Association of Mutual Insurance Associations" (PDF). Iowa Insurance Hall Of Fame. Retrieved 27 May 2020.
  4. ↑ "Global Insurance Accelerator - Des Moines, Iowa". www.globalinsuranceaccelerator.com. Retrieved 2018-04-23.
  5. ↑ "Grinnell Mutual Joins the Global Insurance Accelerator". Grinnell Mutual. Retrieved 2018-04-23.
  6. ↑ "Grinnell Specialty Agency". Grinnell Specialty Agency. Grinnell Mutual Reinsurance Company. Retrieved 14 March 2017.
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