Sphere Entertainment Co.
Ownership
Ownership Structure
Who owns Sphere Entertainment Co. (SPHR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.3% of the shares are freely tradable; institutional investors hold 130.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.88 | 3,907,941 | +89.8 | 03/31/2026 |
| Jericho Capital Asset Management LP | 7.26 | 2,605,615 | +0.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 5.70 | 2,046,988 | +6.5 | 03/31/2026 |
| Ariel Investments, LLC | 4.64 | 1,665,326 | -32.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.29 | 1,541,767 | +0.0 | 03/31/2026 |
| Sands Capital Management, LLC | 3.78 | 1,358,321 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.34 | 1,200,760 | +0.0 | 03/31/2026 |
| State Street Corp | 2.85 | 1,023,654 | +62.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.48 | 891,801 | -0.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.57 | 1,639,737 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Dolan James Lawrence | Executive Chairman and CEO | 1,031,133 | 149,720,512 $ | Sep 15, 2026 | direct |
| Granville-Smith David | Executive Vice President | 94,826 | 13,768,735 $ | Sep 15, 2026 | direct |
| Koester Jennifer | President & COO, Sphere | 54,207 | 7,870,856 $ | Sep 15, 2026 | direct |
| Dolan Ryan Thomas | Director | 5,662 | 822,122 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 14,874 | 144.12 | 2,143,641 |
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 26,897 | 0.00 | – |
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 32,582 | 144.12 | 4,695,718 |
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 3,213 | 0.00 | – |
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 8,966 | 0.00 | – |
| Sep 15, 2026 | Granville-Smith David | Executive Vice President | Other | 46,742 | 0.00 | – |
| Sep 15, 2026 | Dolan James Lawrence | Executive Chairman and CEO | Other | 41,191 | 144.12 | 5,936,447 |
| Sep 15, 2026 | Dolan James Lawrence | Executive Chairman and CEO | Other | 80,689 | 0.00 | – |
| Sep 15, 2026 | Dolan James Lawrence | Executive Chairman and CEO | Other | 13,730 | 144.12 | 1,978,768 |
| Sep 15, 2026 | Dolan James Lawrence | Executive Chairman and CEO | Other | 26,897 | 0.00 | – |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 10,458 | 144.12 | 1,507,207 |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 20,487 | 0.00 | – |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 13,826 | 144.12 | 1,992,603 |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 8,269 | 0.00 | – |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 6,829 | 0.00 | – |
| Sep 15, 2026 | Koester Jennifer | President & COO, Sphere | Other | 11,988 | 0.00 | – |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 585 | 144.12 | 84,310 |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 825 | 0.00 | – |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 807 | 0.00 | – |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 309 | 144.12 | 44,533 |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 321 | 0.00 | – |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 275 | 0.00 | – |
| Sep 15, 2026 | Dolan Ryan Thomas | Director | Other | 269 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.