Mgm Resorts International (MGM) Held by Superinvestors
MGM RESORTS INTERNATIONAL (MGM) is currently held by 3 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $57.92M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Longleaf Partners is currently the largest disclosed institutional shareholder of MGM tracked by InsiderSet, reporting ownership valued at approximately $55.91M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $34.50M, representing an estimated loss of -38.30% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed MGM value among the investors covered in this analysis. Major shareholders include Longleaf Partners, Sequoia Financial Advisors, Dodge & Cox Stock Fund, and several other long-term asset managers with concentrated positions in MGM RESORTS INTERNATIONAL (MGM).
This page ranks the largest institutional MGM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Longleaf Partners | Mason Hawkins | 2.92% | 1,169,513 | $55,914,417 | $34,500,634 | -$21,413,784 | -38.30% |
| Sequoia Financial Advisors | 0.01% | 36,005 | $1,721,400 | $1,062,148 | -$659,253 | -38.30% | |
| Dodge & Cox Stock Fund | V. D. Dodge, E. M. Cox | 0.00% | 6,000 | $286,860 | $177,000 | -$109,860 | -38.30% |
Frequently asked questions about MGM
Who are the largest superinvestors holding MGM?
The largest superinvestors holding MGM in the latest SEC Form 13F filings include Longleaf Partners, Sequoia Financial Advisors, and Dodge & Cox Stock Fund. InsiderSet ranks these superinvestors by their latest reported MGM position.
What does the MGM superinvestors page include?
This page tracks MGM positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. MGM RESORTS INTERNATIONAL (MGM) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold MGM?
InsiderSet currently tracks 3 superinvestors reporting MGM holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own MGM.
How much MGM stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $57.92M in MGM holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were MGM superinvestor holdings last updated?
The latest MGM superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor MGM holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its MGM position after the reporting date.
Are superinvestors buying or selling MGM?
Buying and selling can be analyzed by comparing MGM positions across consecutive 13F reporting periods. InsiderSet's MGM Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View MGM ownership changes.
How have superinvestor MGM holdings changed over time?
InsiderSet tracks MGM holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.