Sphere Entertainment Co. (SPHR) Ownership
SPHR ownership summary
as of October 17, 2026- Institutions
- 136.2% of shares outstanding
- Insiders
- 6.72% of shares outstanding
- Shares outstanding
- 29.0M
- Float
- 24.7M shares available to trade
- Short interest
- 34.47% 7.0M shares short
- Days to cover
- 12.95 short interest up 10.5% vs prior month
- Institutions 136.25%
- Insiders 6.72%
SPHR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 11.36% | 4.1M | $422.4M | +172,102 (+4.4%) | June 30, 2026 |
| 2 | Jericho Capital Asset Management LP | 7.26% | 2.6M | $269.8M | — | June 30, 2026 |
| 3 | Morgan Stanley - Brokerage Accounts | 6.89% | 2.5M | $256.2M | +427,781 (+20.9%) | June 30, 2026 |
| 4 | Ariel Investments, LLC | 4.64% | 1.7M | $172.4M | −796,983 (−32.4%) | June 30, 2026 |
| 5 | Vanguard Portfolio Management, LLC | 4.22% | 1.5M | $156.9M | −26,609 (−1.7%) | June 30, 2026 |
| 6 | Sands Capital Management, LLC | 3.78% | 1.4M | $140.6M | +1.4M (0.0%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 3.30% | 1.2M | $122.6M | −16,112 (−1.3%) | June 30, 2026 |
| 8 | State Street Corp | 3.01% | 1.1M | $112.0M | +58,315 (+5.7%) | June 30, 2026 |
| 9 | FMR Inc | 2.70% | 969K | $100.3M | +622,428 (+179.6%) | June 30, 2026 |
| 10 | Ameriprise Financial Inc | 2.52% | 904K | $93.6M | +482,680 (+114.6%) | June 30, 2026 |
| 11 | Dimensional Fund Advisors, Inc. | 2.48% | 892K | $92.3M | −5,785 (−0.6%) | June 30, 2026 |
| 12 | Assenagon Asset Management SA | 2.27% | 814K | $84.2M | +813,750 (0.0%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 2.19% | 785K | $81.3M | +54,684 (+7.5%) | June 30, 2026 |
| 14 | Gamco Investors, Inc. Et Al | 2.13% | 766K | $79.3M | −28,842 (−3.6%) | June 30, 2026 |
| 15 | Gilder Gagnon Howe & CO LLC | 1.55% | 558K | $57.7M | −3,715 (−0.7%) | June 30, 2026 |
| 16 | Steadfast Capital Management LLC | 1.53% | 551K | $57.0M | −161,000 (−22.6%) | June 30, 2026 |
| 17 | Castle Hook Partners LP | 1.45% | 522K | $54.0M | +522,039 (0.0%) | June 30, 2026 |
| 18 | Gabelli Funds LLC | 1.41% | 507K | $52.5M | −15,306 (−2.9%) | June 30, 2026 |
| 19 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1.33% | 479K | $49.6M | −44,770 (−8.5%) | June 30, 2026 |
| 20 | T. Rowe Price Investment Management,Inc. | 1.29% | 463K | $47.9M | +18,009 (+4.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 4.5M shares and 9 cut 1.1M.
SPHR top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 4.48% | 1.6M | $166.6M | +360 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.31% | 829K | $85.8M | −1,088 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.02% | 725K | $75.0M | −3,497 (−0.5%) | September 30, 2026 |
| 4 | Columbia Small Cap Growth Inst | 1.70% | 609K | $63.1M | −70,356 (−10.4%) | August 31, 2026 |
| 5 | Vanguard Small Cap Index | 1.67% | 599K | $62.0M | −45 (−0.0%) | August 31, 2026 |
| 6 | Ariel Fund Investor | 1.31% | 472K | $48.8M | −350,021 (−42.6%) | June 30, 2026 |
| 7 | Xtrackers S&P Global Infra Swap ETF 1C | 1.31% | 470K | $48.7M | −23,569 (−4.8%) | December 31, 2025 |
| 8 | Strategic Advisers Fidelity US TtlStk | 1.00% | 357K | $37.0M | −60,500 (−14.5%) | August 31, 2026 |
| 9 | Vanguard MStar Small Cap Growth Indx Inv | 0.96% | 344K | $35.7M | −1,164 (−0.3%) | August 31, 2026 |
| 10 | TD Global Equity Focused F | 0.92% | 330K | $34.2M | +30,748 (+10.3%) | September 30, 2026 |
| 11 | Invesco S&P SmallCap Momentum ETF | 0.85% | 306K | $31.7M | — | September 30, 2026 |
| 12 | Fidelity Small Cap Index | 0.84% | 303K | $31.4M | +2,754 (+0.9%) | July 31, 2026 |
| 13 | Neuberger Long Short Instl | 0.83% | 298K | $30.8M | −21,954 (−6.9%) | August 31, 2026 |
| 14 | iShares Russell 2000 Value ETF | 0.73% | 261K | $27.0M | +396 (+0.2%) | September 30, 2026 |
| 15 | iShares S&P Small-Cap 600 Growth ETF | 0.70% | 250K | $25.9M | — | September 30, 2026 |
| 16 | State Street SPDR Port S&P 600 Sm CpETF | 0.68% | 246K | $25.4M | — | September 30, 2026 |
| 17 | T. Rowe Price Small-Cap Value | 0.67% | 241K | $24.9M | −2,204 (−0.9%) | August 31, 2026 |
| 18 | Touchstone Sands Capital Select Growth Z | 0.67% | 239K | $24.8M | +239,283 (0.0%) | June 30, 2026 |
| 19 | Invesco Discovery A | 0.63% | 227K | $23.5M | +18,748 (+9.0%) | August 31, 2026 |
| 20 | PGIM Jennison Small Company A | 0.57% | 206K | $21.4M | +38,127 (+22.7%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SPHR insider transactions
latest 17| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-04-08 | Gilbert Ray Cisneros, Jr. | Buy | $25.98 | — | — |
| 2025-04-04 | Gilbert Ray Cisneros, Jr. | Buy | $26.82 | — | — |
| 2025-03-10 | F. Dolan 2009 Revocabl Charles | Sell | $33.80 | 55,385 | $1.9M |
| 2024-09-30 | Philip Gerard D'ambrosio | Sell | $42.43 | 6,000 | $254,580 |
| 2024-03-08 | Andrea Greenberg | Sell | $51.00 | 12,131 | $618,681 |
| 2024-03-06 | James Lawrence Dolan | Sell | $38.10 | 37,000 | $1.4M |
| 2024-03-04 | James Lawrence Dolan | Buy | $46.88 | 110,156 | $5.2M |
| 2024-03-04 | James Lawrence Dolan | Sell | $38.20 | 100,000 | $3.8M |
| 2024-02-28 | James Lawrence Dolan | Buy | $40.73 | 76,139 | $3.1M |
| 2024-02-28 | James Lawrence Dolan | Sell | $37.71 | 28,796 | $1.1M |
| 2024-02-26 | James Lawrence Dolan | Buy | $41.11 | 59,374 | $2.4M |
| 2024-02-26 | James Lawrence Dolan | Sell | $37.31 | 24,284 | $906,036 |
| 2023-09-22 | Entertainment Co. Sphere | Sell | $31.20 | 8,221,188 | $256.5M |
| 2023-09-22 | Entertainment Co. Sphere | Sell | $31.20 | 8,221,188 | $256.5M |
| 2023-06-27 | Entertainment Co. Sphere | Sell | $29.76 | 6,877,553 | $204.7M |
| 2023-06-27 | Entertainment Co. Sphere | Sell | $29.76 | 6,877,553 | $204.7M |
| 2023-06-27 | Thomas Charles Dolan | Buy | $31.00 | 322,580 | $10.0M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SPHR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SPHR
Institutional investors own 136.2% of Sphere Entertainment's shares and insiders 6.72%. The largest holder is BlackRock Inc with 11.36% of the shares (4.1M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 9 reduced their stake in the latest filings. Short interest is 34.47% of the float, or 12.95 days of average trading volume. The share count fell 40.1% since 2014.
Related: SPHR analyst forecast, SPHR key metrics. See the SPHR stock overview for the latest quote and news.
SPHR ownership FAQ
Who owns the most Sphere Entertainment stock?
The largest shareholders of Sphere Entertainment are BlackRock Inc (11.36%), Jericho Capital Asset Management LP (7.26%), Morgan Stanley - Brokerage Accounts (6.89%), Ariel Investments, LLC (4.64%), Vanguard Portfolio Management, LLC (4.22%).
What percentage of Sphere Entertainment is owned by institutions?
Institutions hold 136.2% of Sphere Entertainment's shares outstanding; insiders hold 6.72%.
Which funds own Sphere Entertainment?
The largest fund holders of Sphere Entertainment are iShares Core S&P Small-Cap ETF (4.48%), Vanguard MStar Total Stk Mkt Idx Invest (2.31%), iShares Russell 2000 ETF (2.02%), Columbia Small Cap Growth Inst (1.70%), Vanguard Small Cap Index (1.67%).
What is Sphere Entertainment's short interest?
7.0M shares of Sphere Entertainment were sold short, 34.47% of the float; at the average daily volume it would take 12.95 days to cover.
Are insiders buying or selling Sphere Entertainment?
Of the latest 17 reported insider transactions in Sphere Entertainment (since June 27, 2023), 6 were purchases and 11 were sales.
How many shares of Sphere Entertainment are outstanding?
Sphere Entertainment has 29.0M shares outstanding, of which 24.7M are in the public float.