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Sphere Entertainment Co.

SPHR
Exchange
NYSE
Industry
Services-Amusement & Recreation Services
SEC CIK
0001795250

No open-market purchases or sales by Sphere Entertainment Co. insiders were filed in the last 90 days; 421 institutions reported holding it in 13F filings for Q2 2026, worth $6.38B in total; no superinvestor holds it.

Holders of 5% or more of SPHR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Sphere Entertainment Co., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of SPHR
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G13.50%3.85M sharesNewApr 7, 20261 filingApr 7, 2026SEC
Dolan James Lawrence13D/A13.00%4.28M shares0.00 ppfrom 13.00%Feb 4, 20254 filingsMar 9, 2026SEC
Dolan Charles F13D/A12.30%4.05M shares–Mar 30, 20214 filingsDec 31, 2024SEC
Morgan Stanley13G/A8.30%2.41M shares+1.30 ppfrom 7.00%Nov 8, 20245 filingsAug 12, 2026SEC
Ariel Investments, LLC13G/A5.80%1.67M shares−2.80 ppfrom 8.60%Feb 12, 202116 filingsAug 14, 2026SEC
Barclays PLC13G5.79%1.68M sharesNewMay 13, 20251 filingMay 13, 2025SEC
Vanguard Portfolio Management LLC13G5.42%1.55M sharesNewApr 29, 20261 filingApr 29, 2026SEC
Dimensional Fund Advisors LP13G/A5.00%1.44M shares–Feb 9, 20242 filingsApr 15, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

58 Schedule 13D and 13G filings on Sphere Entertainment Co., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on SPHR
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 4, 20224:12 PM ETBlackRock Inc.13GOld format–New–SEC
Sep 10, 2021Ariel Investments, LLC13G/AOld format–––SEC
Jul 14, 2021Dolan Charles F13D/AOld format–––SEC
Jul 9, 2021Ariel Investments, LLC13G/AOld format–––SEC
Mar 30, 2021Dolan Charles F13D/AOld format–––SEC
Feb 12, 2021Ariel Investments, LLC13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13GOld format–New–SEC

Form 144: proposed insider sales

3 notices from officers, directors and other affiliates planning to sell Sphere Entertainment Co. shares, newest first.

Form 144 notices for SPHR
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Mar 8, 202412:47 PM ETGreenberg AndreaOfficer12.1K$618.7KMar 8, 2024Fidelity Brokerage Services LLCSEC
Feb 27, 20246:40 AM ETAmendedDolan James LawrenceOfficer0$0Feb 27, 2014N/ASEC
Feb 13, 20241:28 PM ETByrnes David F.Officer4.70K$196.8KFeb 13, 2024Fidelity Brokerage Services LLCSEC