Sphere Entertainment Co.
Sphere Entertainment Co. (SPHR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SPHR · as of Sep 30, 2024
Ownership Breakdown
249
Institutional Holders
▲ 21 vs Q2
$1.42B
Total Inst. Value
▲ $275.87M vs Q2
36.01M
Shares Outstanding
freeFloat 94.14%
32.21M
13F Shares Held
▼ 516,257 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SPHR largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ARIEL INVESTMENTS, LLC services-amusement & recreation services | 5.35M | 15.00% | 15.00% | $236.37B | Nov 13, 2024 | ▼ 188.0K |
JERICHO CAPITAL ASSET MANAGEMENT L.P. services-amusement & recreation services | 2.81M | 7.87% | 7.87% | $123.95B | Nov 14, 2024 | ▲ 262.8K |
VANGUARD GROUP INC services-amusement & recreation services | 2.77M | 7.75% | 7.75% | $122.18B | Nov 13, 2024 | ▼ 3.1K |
BLACKROCK, INC. services-amusement & recreation services | 2.01M | 5.65% | 5.65% | $88.98B | Nov 13, 2024 | NEW |
DIMENSIONAL FUND ADVISORS LP services-amusement & recreation services | 1.46M | 4.08% | 4.08% | $64.30B | Nov 7, 2024 | ▼ 39.2K |
CITADEL ADVISORS LLC services-amusement & recreation services | 1.17M | 3.28% | 3.28% | $51.65B | Nov 14, 2024 | ▲ 463.0K |
BALYASNY ASSET MANAGEMENT L.P. services-amusement & recreation services | 1.08M | 3.02% | 3.02% | $47.55B | Nov 14, 2024 | ▼ 101.4K |
GAMCO INVESTORS, INC. ET AL services-amusement & recreation services | 919.3K | 2.58% | 2.58% | $40.61B | Nov 14, 2024 | ▼ 24.0K |
MORGAN STANLEY services-amusement & recreation services | 905.3K | 2.54% | 2.54% | $40.00B | May 14, 2025 | ▲ 342.5K |
POINT72 ASSET MANAGEMENT, L.P. services-amusement & recreation services | 815.5K | 2.29% | 2.29% | $36.03B | Nov 14, 2024 | ▼ 285.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
29
Increased
+2.56M shares6
New Positions
first time holders14
Decreased
−1.42M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.14M
+2.56M / −1.42M
Net new holders
+21
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SPHR insider trading · insider activity
Source: SEC Form 4
13
Buy transactions
14
Sell transactions
0.93
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Lo Allen M. EVP & Chief Legal Officer | Mar 30, 2026 | Award | 15,734 | — | — | 15.7K | Form 4 ↗ |
Langer Robert H. EVP, CFO & Treasurer | Mar 13, 2026 | Tax Withhold | 5,416 | $105.70 | $572.5K | 5.2K | Form 4 ↗ |
Dolan Ryan Thomas director | Mar 13, 2026 | Tax Withhold | 325 | $105.70 | $34.4K | 4.1K | Form 4 ↗ |
Koester Jennifer President & COO, Sphere | Mar 13, 2026 | Tax Withhold | 8,808 | $105.70 | $931.0K | 30.9K | Form 4 ↗ |
Granville-Smith David Executive Vice President | Mar 13, 2026 | Tax Withhold | 3,688 | $105.70 | $389.8K | 56.5K | Form 4 ↗ |
Winters Christopher J. SVP, Controller & PAO | Mar 11, 2026 | Award | 1,273 | — | — | 1.3K | Form 4 ↗ |
Dolan Ryan Thomas director | Mar 11, 2026 | Award | 2,391 | — | — | 2.4K | Form 4 ↗ |
Dolan Ryan Thomas director | Oct 25, 2023 | Award | 14,031 | $45.60 | $639.8K | 14.0K | Form 4 ↗ |
Dolan Ryan Thomas director | Oct 25, 2023 | Award | 14,031 | $50.67 | $711.0K | 14.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Sphere Entertainment Co. (SPHR) is primarily owned by institutional investors, who hold approximately 89.4% of total shares outstanding. Company insiders own approximately 5.86%, while retail and public investors account for the remaining 4.70%.
The largest institutional shareholder of Sphere Entertainment Co. is ARIEL INVESTMENTS, LLC, holding approximately 5.35 million shares — equal to 15.00% of outstanding shares — as of September 30, 2024.
A total of 249 institutional investors currently hold SPHR stock, with a combined institutional value of approximately $1.42 billion as of the most recent 13F filing period.
Frequently asked questions
SPHR ownershipSphere Entertainment Co. (SPHR) is primarily owned by institutional investors, who hold approximately 89.4% of shares. The largest shareholder is ARIEL INVESTMENTS, LLC with a 15.00% stake. Company insiders hold 5.86%. Data sourced from SEC Form 13F as of September 30, 2024.