SPHERE ENTERTAINMENT CO (SPHR) Institutional Shareholders
SPHERE ENTERTAINMENT CO (SPHR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.18B in SPHR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of SPHR tracked by InsiderSet, reporting ownership valued at approximately $458.79M in its March 31, 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 $619.56M, representing an estimated gain of +35.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed SPHR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Jericho Capital Asset Management L.P., Ariel Appreciation Fund, and several other long-term asset managers with concentrated positions in SPHERE ENTERTAINMENT CO (SPHR).
This page ranks the largest institutional SPHR 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.
Institutional Holders
381
Total Reported Value
$4.18B
Largest Holder
Blackrock, Inc.
Largest Position
$458.79M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
106
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 3,907,941 | $458,792,273 | $619,564,966 | +$160,772,693 | +35.04% | |
| Jericho Capital Asset Management L.P. | 4.52% | 2,605,615 | $305,899,201 | $413,094,202 | +$107,195,001 | +35.04% | |
| Ariel Appreciation Fund | John W. Rogers Jr. | 3.24% | 2,462,309 | $289,075,076 | $390,374,469 | +$101,299,393 | +35.04% |
| Morgan Stanley | 0.01% | 2,046,988 | $240,316,418 | $324,529,478 | +$84,213,060 | +35.04% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,541,767 | $181,003,446 | $244,431,740 | +$63,428,294 | +35.04% | |
| Vanguard Capital Management Llc | 0.00% | 1,200,760 | $140,969,224 | $190,368,490 | +$49,399,266 | +35.04% | |
| State Street Corp | 0.00% | 1,023,654 | $120,176,980 | $162,290,105 | +$42,113,125 | +35.04% | |
| Dimensional Fund Advisors Lp | 0.02% | 897,586 | $105,351,397 | $142,303,284 | +$36,951,887 | +35.07% | |
| Gamco Investors, Inc. Et Al | 0.92% | 794,755 | $93,304,237 | $126,000,458 | +$32,696,221 | +35.04% | |
| Geode Capital Management, Llc | 0.01% | 730,313 | $85,753,829 | $115,783,823 | +$30,029,994 | +35.02% | |
| Steadfast Capital Management Lp | 3.15% | 711,661 | $83,549,001 | $112,826,735 | +$29,277,734 | +35.04% | |
| Two Sigma Investments, Lp | 0.07% | 705,486 | $82,824,056 | $111,847,750 | +$29,023,694 | +35.04% | |
| Assenagon Asset Management S.A. | 0.09% | 406,875 | $70,401,581 | $64,505,963 | -$5,895,619 | -8.37% | |
| Gilder Gagnon Howe & Co Llc | 0.79% | 561,457 | $65,915,052 | $89,013,393 | +$23,098,341 | +35.04% | |
| Renaissance Technologies LLC | Jim Simons | 0.10% | 559,935 | $65,736,369 | $88,772,095 | +$23,035,726 | +35.04% |
| Jennison Associates Llc | 0.04% | 361,440 | $62,539,961 | $57,302,698 | -$5,237,263 | -8.37% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.10% | 523,934 | $61,509,852 | $83,064,496 | +$21,554,644 | +35.04% | |
| Gabelli Funds Llc | 0.41% | 522,336 | $61,322,246 | $82,811,149 | +$21,488,903 | +35.04% | |
| Ubs Group Ag | 0.01% | 518,971 | $60,927,195 | $82,277,662 | +$21,350,467 | +35.04% | |
| Ameriprise Financial Inc | 0.01% | 421,328 | $49,455,526 | $66,797,341 | +$17,341,815 | +35.07% | |
| Citadel Advisors Llc | 0.03% | 387,100 | $45,445,540 | $61,370,834 | +$15,925,294 | +35.04% | |
| Nearwater Capital Markets, Ltd | 1.04% | 375,000 | $44,025,000 | $59,452,500 | +$15,427,500 | +35.04% | |
| Deutsche Bank Ag\ | 0.01% | 348,587 | $40,924,114 | $55,264,983 | +$14,340,869 | +35.04% | |
| Bank Of America Corp | 0.00% | 347,193 | $40,760,459 | $55,043,978 | +$14,283,519 | +35.04% | |
| Fmr Llc | 0.00% | 346,563 | $40,686,537 | $54,944,098 | +$14,257,561 | +35.04% | |
| Goldman Sachs Group Inc | 0.01% | 339,638 | $39,873,501 | $53,846,209 | +$13,972,708 | +35.04% | |
| Bnp Paribas Financial Markets | 0.03% | 328,338 | $38,546,881 | $52,054,707 | +$13,507,826 | +35.04% | |
| Northern Trust Corp | 0.00% | 317,617 | $37,288,234 | $50,354,999 | +$13,066,765 | +35.04% | |
| Luxor Capital Group, Lp | 5.66% | 305,021 | $35,809,465 | $48,358,029 | +$12,548,564 | +35.04% | |
| Artemis Investment Management Llp | 0.32% | 204,606 | $35,402,976 | $32,438,235 | -$2,964,741 | -8.37% | |
| Systematic Financial Management Lp | 0.80% | 297,491 | $34,925,657 | $47,164,223 | +$12,238,566 | +35.04% | |
| Jacobs Levy Equity Management, Inc | 0.13% | 262,625 | $30,832,175 | $41,636,568 | +$10,804,393 | +35.04% | |
| Balyasny Asset Management L.P. | 0.06% | 259,536 | $30,469,526 | $41,146,837 | +$10,677,311 | +35.04% | |
| Bridgeway Capital Management, Llc | 0.60% | 255,219 | $29,962,711 | $40,462,420 | +$10,499,709 | +35.04% | |
| O'Keefe Stevens Advisory, Inc. | 6.00% | 169,033 | $29,247,780 | $26,798,492 | -$2,449,288 | -8.37% | |
| Charles Schwab Investment Management Inc | 0.00% | 240,198 | $28,199,245 | $38,080,991 | +$9,881,746 | +35.04% | |
| Neuberger Berman Group Llc | 0.02% | 233,853 | $27,454,342 | $37,075,055 | +$9,620,713 | +35.04% | |
| D. E. Shaw & Co., Inc. | 0.02% | 230,078 | $27,011,158 | $36,476,566 | +$9,465,408 | +35.04% | |
| Islander Capital Partners, L.P. | 10.18% | 220,028 | $25,831,287 | $34,883,239 | +$9,051,952 | +35.04% | |
| Federated Hermes, Inc. | 0.04% | 219,014 | $25,712,244 | $34,722,480 | +$9,010,236 | +35.04% | |
| Invesco Ltd. | 0.00% | 174,299 | $20,462,701 | $27,633,363 | +$7,170,662 | +35.04% | |
| Mane Global Capital Management Lp | 2.09% | 172,826 | $20,289,772 | $27,399,834 | +$7,110,062 | +35.04% | |
| Vanguard Fiduciary Trust Co | 0.01% | 172,304 | $20,228,490 | $27,317,076 | +$7,088,586 | +35.04% | |
| Pinnacle Associates Ltd | 0.22% | 114,045 | $19,733,206 | $18,080,694 | -$1,652,512 | -8.37% | |
| Empowered Funds, Llc | 0.11% | 151,158 | $17,745,950 | $23,964,589 | +$6,218,639 | +35.04% | |
| Citigroup Inc | 0.01% | 101,859 | $17,624,663 | $16,148,726 | -$1,475,937 | -8.37% | |
| Nuveen, Llc | 0.00% | 147,202 | $17,281,515 | $23,337,405 | +$6,055,890 | +35.04% | |
| Bank Of New York Mellon Corp | 0.00% | 146,782 | $17,232,190 | $23,270,818 | +$6,038,628 | +35.04% | |
| Capitolis Liquid Global Markets Llc | 0.11% | 146,600 | $17,210,840 | $23,241,964 | +$6,031,124 | +35.04% | |
| Public Sector Pension Investment Board | 0.05% | 145,796 | $17,116,450 | $23,114,498 | +$5,998,048 | +35.04% |
Frequently asked questions about SPHR
Who owns the most SPHR stock?
The largest holders of SPHR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for SPHERE ENTERTAINMENT CO (SPHR).
Is SPHR widely held by superinvestors?
Many widely followed stocks like SPHR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SPHR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.