Who Owns AIG?
AIG is the master insurance brand of American International Group, Inc. (NYSE: AIG), a publicly traded insurer headquartered in New York, New York. The brand covers commercial property casualty, personal insurance, and travel products sold in more than 200 countries and jurisdictions. For FY2025, the company behind the brand reported net premiums written of $23.7 billion.
Parent Company
Founded
1919
Status
Publicly Traded
Headquarters
GlobalOfficial Website
Who Owns AIG?
- Parent Company: American International Group, Inc.
- Ownership Type: Brand division
- Company Type: Publicly Traded
- Stock Ticker: New York Stock Exchange: AIG
| Brand | Parent Company | Ownership Type |
|---|---|---|
| AIG | American International Group, Inc. | Brand division |
History of AIG
- Founded: 1919
- Founders: Cornelius Vander Starr
The AIG name grew out of American Asiatic Underwriters, the insurance agency Cornelius Vander Starr founded in Shanghai in 1919. Starr's organization expanded across Asia and then globally, adopting the American International Group umbrella in 1967 to consolidate his various insurance companies under one identity ahead of the 1969 NYSE listing.
Under Maurice Greenberg, CEO from 1967 to 2005, AIG became the most valuable insurance brand in the world. The company wrote coverage competitors could not, from satellite launches to kidnapping ransom, and built financial products, aircraft leasing, and asset management operations under the same three letters. By 2007 AIG was a Dow Jones component with a market value above $150 billion and operations in 130 countries.
The brand nearly died in September 2008. AIG Financial Products' credit default swap losses forced an $85 billion Federal Reserve rescue and an eventual $182 billion total support package, the largest single-company bailout in history. The government stake peaked at roughly 92 percent. For several years AIG operated under the cloud of bailout economics, bonus scandals, and brand damage so severe that some subsidiaries began marketing under alternate names to avoid it.
Recovery took a decade. AIG repaid the government in full by late 2012, with taxpayers earning about $22.7 billion on the rescue. The company sold its Asian life businesses, spun off life and retirement as Corebridge Financial in 2022, and rebuilt around a leaner commercial insurance core.
Under Peter Zaffino, CEO since 2021 and Chairman since 2022, the brand has been repositioned on underwriting discipline. The FY2025 results, a 90.1 percent combined ratio and 11.1 percent Core Operating ROE, plus S&P and Moody's rating upgrades for subsidiary financial strength in mid-2025, represent the strongest underwriting profile the brand has carried since before the crisis.
About American International Group, Inc.
What does American International Group own?
AIG owns a group of regulated insurance subsidiaries including National Union Fire Insurance Company, American Home Assurance, Lexington Insurance, Talbot Underwriting at Lloyd's, Western World, and Glatfelter. It also owns the Travel Guard travel insurance brand and held a 10.1 percent stake in former subsidiary Corebridge Financial at the end of 2025.
Is American International Group publicly traded?
Yes. AIG trades on the New York Stock Exchange under ticker AIG and is a component of the S&P 500. The company went public in 1969. Its shares are widely held by institutional investors.
Who founded American International Group?
Cornelius Vander Starr founded the company in Shanghai in 1919 as American Asiatic Underwriters, a general insurance agency serving Western businesses in China. Starr moved the headquarters to New York in 1939 and built the organization into a multinational insurer.
Where is American International Group headquartered?
AIG is headquartered in New York, New York, USA. The company has been based in New York since 1939, when Starr relocated from Shanghai ahead of World War II. It operates in more than 200 countries and jurisdictions.
How many brands does American International Group own?
AIG primarily operates under the single AIG master brand. Distinct brands include Lexington Insurance, the largest US excess and surplus lines insurer, and Travel Guard for travel coverage. Regulated underwriting entities such as National Union, American Home, and Talbot issue policies largely under the AIG name.
Who owns American International Group?
AIG is owned by its public shareholders, with no controlling owner. Major institutional holders include Vanguard, BlackRock, and State Street. The US Treasury owned up to 92 percent during the 2008 bailout but exited completely in December 2012.
Did the government profit from the AIG bailout?
Yes. The Federal Reserve and Treasury committed up to $182 billion in support in 2008 and 2009. AIG repaid all assistance by the end of 2012, and the government recorded a combined profit of approximately $22.7 billion on the rescue.
- Founded: 1919
- Headquarters: New York, New York, USA
- Company Type: Publicly Traded
- Stock: New York Stock Exchange: AIG
- Revenue: $23.7 billion net premiums written (FY2025)
- Employees: Approximately 22,100
Where Is AIG Made / Based?
- Headquarters: New York, New York, USA
AIG Categories & Tags
AIG Recalls & Controversies
2008 Bailout: The brand's defining controversy remains the September 2008 rescue, when up to $182 billion in government support and a peak 92 percent Treasury ownership made AIG the symbol of too-big-to-fail finance. Full repayment closed in 2012 with a $22.7 billion government profit, but the reputational cost persisted for years.
Retention Bonuses (2009): Payment of $165 million in retention bonuses to Financial Products employees weeks after the bailout provoked congressional hearings and public outrage, forcing some recipients to return payments.
Pre-2008 Accounting: In 2005 AIG restated five years of results and in 2006 paid $1.6 billion to settle SEC and New York State accounting and bid-rigging matters, costing founder-CEO Greenberg's successor regime credibility.
Brands Owned by American International Group, Inc.
InsuranceLexington Insurance
Owned by American International Group, Inc.
AIG subsidiary and the largest excess and surplus lines insurer in the United States, covering risks standard carriers decline.
insurancesurplus-linescommercial-insurance
InsuranceTravel Guard
Owned by American International Group, Inc.
Travel insurance and assistance brand of AIG, covering trip cancellation, medical emergencies, and evacuation for travelers worldwide.
travel-insuranceaigtrip-protection
AIG Ownership: Pros & Cons
Advantages
- +Global licensing footprint in over 200 countries supports multinational program business
- +Backed by a 90.1 percent combined ratio and upgraded subsidiary financial strength ratings
- +One master brand concentrates marketing efficiency rather than splitting across names
- +Post-simplification structure is more transparent to investors and regulators
Considerations
- -Brand still carries 2008 bailout association for US consumer audiences
- -Name is legally shared between company and product brand, so any corporate controversy hits the product brand directly
- -Concentration in commercial lines ties the brand to cyclical pricing swings
- -Distribution depends on brokers, limiting direct consumer brand equity
Frequently Asked Questions About AIG
Sources & Further Reading
Competitors to AIG
These competing brands operate in the same categories and provide similar products or services. Compare key attributes to understand market positioning and competitive landscape.
| Brand | Parent Company | Country | Founded | Market Position | Primary Market | Gender Target |
|---|---|---|---|---|---|---|
| Chubb | USA (executive offices) | 1882 | Market leader | Global | All-ages | |
| Nationwide | USA | 1929 | Mass market | United states | All Genders | |
| Liberty Mutual Insurance | USA | 1912 | Mass market | United states | All Genders | |
| The Hartford | USA | 1810 | Mass market | United states | All Genders | |
| American International Group | USA | 1965 | Mass market | United states | All Genders | |
| American International Group | USA | 1982 | Mass market | Global | All Genders |
Learn More About Competitors
InsuranceChubb
Owned by Chubb Limited
Flagship insurance brand of Chubb Limited, the world's largest publicly traded property and casualty insurer, covering commercial, personal, and specialty insurance in 54 countries.
insuranceproperty-casualtycommercial-insurance
InsuranceAllied Insurance
Owned by Nationwide Mutual Insurance Company
Des Moines-founded insurance brand of Nationwide Mutual, serving independent agents and brokers for personal and small commercial lines since 1929.
insuranceindependent-agentsproperty-casualty
Insurance FinanceLiberty Mutual
Owned by Liberty Mutual Holding Company Inc.
Liberty Mutual is the flagship personal and commercial insurance brand of Liberty Mutual Group, the Boston mutual insurer founded in 1912.
insuranceauto-insurancehome-insurance
InsuranceThe Hartford
Owned by The Hartford Financial Services Group, Inc.
American insurance brand founded in 1810, offering business insurance, AARP personal lines, employee benefits, and mutual funds under the iconic stag logo.
insuranceproperty-casualtyaarp
InsuranceLexington Insurance
Owned by American International Group, Inc.
AIG subsidiary and the largest excess and surplus lines insurer in the United States, covering risks standard carriers decline.
insurancesurplus-linescommercial-insurance
InsuranceTravel Guard
Owned by American International Group, Inc.
Travel insurance and assistance brand of AIG, covering trip cancellation, medical emergencies, and evacuation for travelers worldwide.
travel-insuranceaigtrip-protection
Competitive Analysis
Market Positioning: AIG competes with 6 brands in the same categories, ranging from mass market to luxury positioning.
Geographic Distribution: Competitors are headquartered across multiple regions, indicating global competition in this market segment.
Brand Heritage: Competitor brands range from established heritage brands to newer market entrants, with founding years spanning several decades.
Independent Alternatives to AIG
Looking for brands with different ownership structures? These similar brands are not owned by American International Group, Inc., giving you alternative choices that support different corporate structures.
InsuranceAllied Insurance
Owned by Nationwide Mutual Insurance Company
Des Moines-founded insurance brand of Nationwide Mutual, serving independent agents and brokers for personal and small commercial lines since 1929.
insuranceindependent-agentsproperty-casualty
Privately Owned
Allied Insurance is privately owned, unlike AIG which is under a publicly traded parent company.
InsuranceChubb
Owned by Chubb Limited
Flagship insurance brand of Chubb Limited, the world's largest publicly traded property and casualty insurer, covering commercial, personal, and specialty insurance in 54 countries.
insuranceproperty-casualtycommercial-insurance
Publicly Traded
Chubb operates independently without a large parent corporation.
InsuranceMassMutual Ascend
Owned by Massachusetts Mutual Life Insurance Company (MassMutual)
Cincinnati-based annuity company subsidiary of MassMutual, acquired as Great American Life Insurance in 2021, selling fixed, indexed, and registered index-linked annuities.
annuitiesretirementfixed-annuities
Privately Owned
MassMutual Ascend is privately owned, unlike AIG which is under a publicly traded parent company.
InsuranceNationwide
Owned by Nationwide Mutual Insurance Company
Consumer-facing insurance and financial services brand of Nationwide Mutual Insurance Company, the Columbus, Ohio mutual founded in 1926.
insurancemutual-insuranceauto-insurance
Privately Owned
Nationwide is privately owned, unlike AIG which is under a publicly traded parent company.
InsuranceNationwide Pet Insurance
Owned by Nationwide Mutual Insurance Company
America's first and largest pet insurance brand, founded as Veterinary Pet Insurance in 1982 and owned by Nationwide Mutual since 2009.
pet-insuranceinsurancepets
Privately Owned
Nationwide Pet Insurance is privately owned, unlike AIG which is under a publicly traded parent company.
InsuranceNorthwestern Mutual
Owned by The Northwestern Mutual Life Insurance Company
American life insurance and financial planning brand owned by policyowners through The Northwestern Mutual Life Insurance Company, the largest direct provider of individual life insurance in the United States.
life-insurancefinancial-planningmutual-insurance
Privately Owned
Northwestern Mutual is privately owned, unlike AIG which is under a publicly traded parent company.
American International Group, Inc. Stock Information
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