SEC ownership of Sphere Entertainment Co.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001795250.

Top shareholders Insider holders Latest transactions

CIK: 0001795250
Symbol: SPHR on NYSE
Location: New York, NY
Parsed ownership evidence: 13F, 13D/G, and 3/4/5
Lead holder: BlackRock, Inc.
13D/G signal: BlackRock, Inc.
Latest evidence date: 31 Mar 2026

Ownership snapshot

Top shareholders of Sphere Entertainment Co. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

BlackRock, Inc.

13D/G signal

BlackRock, Inc.

Evidence rows

Latest as of

31 Mar 2026

13F 13D/G 3/4/5 Lead comparable stake: 14% 13D/G row: BlackRock, Inc. Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	14% from 13D/G	$458,792,273 3,907,941 shares	—	31 Mar 2026
James L. Dolan	13D/G 3/4/5 Mary S. Dolan, as Trustee of certain trusts described herein · Executive Chairman and CEO, Director, Member of 13(d) Group, 10%+ Owner 13D/G 3/4/5	13%	$495,356,934 4,280,651 shares	$0	25 Feb 2026
ARIEL INVESTMENTS, LLC	13D/G 13F Company 13D/G 13F	8.6%	$313,254,951 2,462,309 shares	-$89,845,944	31 Mar 2026
MORGAN STANLEY	13D/G 13F Company 13D/G 13F	7%	$255,870,716 2,011,246 shares	+$33,498,553	31 Mar 2026
BARCLAYS PLC	13D/G 13F Company 13D/G 13F	5.8%	$44,364,832 1,676,042 shares	$0	31 Mar 2025
DIMENSIONAL FUND ADVISORS LP	13F 13D/G Company 13F 13D/G	5% from 13D/G	$105,351,397 897,586 shares	—	31 Mar 2026
CITADEL ADVISORS LLC	13F 13D/G Company · Kenneth Griffin 13F 13D/G	3.9% from 13D/G	$45,445,540 387,100 shares	—	31 Mar 2026
BANK OF NOVA SCOTIA	13D/G 13D/G	3.1%	$85,026,431 894,262 shares	-$81,992,333	31 Dec 2025

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Point72 Asset Management, L.P.	13D/G 13D/G	0.8%	$13,881,584 223,464 shares	-$81,500,570	30 Sep 2025
Patrick Francis Dolan	3/4/5 Member of 13(d) Group 3/4/5	0%	$42,785 1,075 shares	—	08 Sep 2025
Jericho Capital Asset Management L.P.	13F Company 13F	9.1%	$305,899,201 2,605,615 shares	—	31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC	13F Company 13F	5.4%	$181,003,446 1,541,767 shares	—	31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC	13F Company 13F	4.2%	$140,969,224 1,200,760 shares	—	31 Mar 2026
STATE STREET CORP	13F Company 13F	3.6%	$120,176,980 1,023,654 shares	—	31 Mar 2026
GAMCO INVESTORS, INC. ET AL	13F Company 13F	2.8%	$93,304,237 794,755 shares	—	31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	2.6%	$85,753,829 730,313 shares	—	31 Mar 2026
STEADFAST CAPITAL MANAGEMENT LP	13F Company 13F	2.5%	$83,549,001 711,661 shares	—	31 Mar 2026
TWO SIGMA INVESTMENTS, LP	13F Company 13F	2.5%	$82,824,056 705,486 shares	—	31 Mar 2026
GILDER GAGNON HOWE & CO LLC	13F Company 13F	2%	$65,915,052 561,457 shares	—	31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	2%	$65,736,369 559,935 shares	—	31 Mar 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F Company 13F	1.8%	$61,509,852 523,934 shares	—	31 Mar 2026
GABELLI FUNDS LLC	13F Company 13F	1.8%	$61,322,246 522,336 shares	—	31 Mar 2026
UBS Group AG	13F Company 13F	1.8%	$60,927,195 518,971 shares	—	31 Mar 2026
T. Rowe Price Investment Management, Inc.	13F Company 13F	1.6%	$52,216,000 444,763 shares	—	31 Mar 2026
AMERIPRISE FINANCIAL INC	13F Company 13F	1.5%	$49,455,526 421,328 shares	—	31 Mar 2026
Nearwater Capital Markets, Ltd	13F Company 13F	1.3%	$44,025,000 375,000 shares	—	31 Mar 2026
DEUTSCHE BANK AG\	13F Company 13F	1.2%	$40,924,114 348,587 shares	—	31 Mar 2026
BANK OF AMERICA CORP /DE/	13F Company 13F	1.2%	$40,760,459 347,193 shares	—	31 Mar 2026
FMR LLC	13F Company 13F	1.2%	$40,686,537 346,563 shares	—	31 Mar 2026
GOLDMAN SACHS GROUP INC	13F Company 13F	1.2%	$39,873,501 339,638 shares	—	31 Mar 2026
BNP PARIBAS FINANCIAL MARKETS	13F Company 13F	1.1%	$38,546,881 328,338 shares	—	31 Mar 2026
NORTHERN TRUST CORP	13F Company 13F	1.1%	$37,288,234 317,617 shares	—	31 Mar 2026
Luxor Capital Group, LP	13F Company 13F	1.1%	$35,809,465 305,021 shares	—	31 Mar 2026
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F Company 13F	1%	$34,925,657 297,491 shares	—	31 Mar 2026
JACOBS LEVY EQUITY MANAGEMENT, INC	13F Company 13F	0.92%	$30,832,175 262,625 shares	—	31 Mar 2026
BALYASNY ASSET MANAGEMENT L.P.	13F Company 13F	0.91%	$30,469,526 259,536 shares	—	31 Mar 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F Company 13F	0.89%	$29,962,711 255,219 shares	—	31 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.84%	$28,199,245 240,198 shares	—	31 Mar 2026
Neuberger Berman Group LLC	13F Company 13F	0.82%	$27,454,342 233,853 shares	—	31 Mar 2026
D. E. Shaw & Co., Inc.	13F Company 13F	0.8%	$27,011,158 230,078 shares	—	31 Mar 2026
Islander Capital Partners, L.P.	13F Company 13F	0.77%	$25,831,287 220,028 shares	—	31 Mar 2026
FEDERATED HERMES, INC.	13F Company 13F	0.76%	$25,712,244 219,014 shares	—	31 Mar 2026
JPMORGAN CHASE & CO	13F Company 13F	0.75%	$23,013,500 215,927 shares	—	31 Mar 2026
LORD, ABBETT & CO. LLC	13F Company 13F	0.72%	$24,144,000 205,658 shares	—	31 Mar 2026
Invesco Ltd.	13F Company 13F	0.61%	$20,462,701 174,299 shares	—	31 Mar 2026
MANE GLOBAL CAPITAL MANAGEMENT LP	13F Company 13F	0.6%	$20,289,772 172,826 shares	—	31 Mar 2026
VANGUARD FIDUCIARY TRUST CO	13F Company 13F	0.6%	$20,228,490 172,304 shares	—	31 Mar 2026
O'Keefe Stevens Advisory, Inc.	13F Company 13F	0.59%	$19,810,663 168,745 shares	—	31 Mar 2026
Empowered Funds, LLC	13F Company 13F	0.53%	$17,745,950 151,158 shares	—	31 Mar 2026
Nuveen, LLC	13F Company 13F	0.51%	$17,281,515 147,202 shares	—	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 29 May 2025.

Buys

Insiders: 0

Sells

Insiders: 0

Net

Shares: 0

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Current reporting-owner rows connected to Sphere Entertainment Co.. Open the relationship link for the CIK-to-CIK filing trail.

Rows

Lead holder

James L. Dolan

Net 12M change

Latest report

30 Mar 2026

Name	Relationship	Holdings Value	Valuation	Report Date
James L. Dolan	Executive Chairman and CEO, Director, Member of 13(d) Group, 10%+ Owner	$115,974,160	Mixed	17 Feb 2026
CHARLES F. DOLAN 2009 FAMILY TRUST FBO DEBORAH A. DOLAN-SWEENEY	Member of 13(d) Group	$21,900,913	Mixed	08 Sep 2025
CHARLES F. DOLAN CHILDREN TRUST FBO DEBORAH DOLAN-SWEENEY	Member of 13(d) Group	$15,251,150	Mixed	08 Sep 2025
David Granville-Smith	Executive Vice President	$7,268,865	Mixed	13 Mar 2026
Jennifer Koester	President & COO, Sphere	$5,247,103	Mixed	13 Mar 2026
Andrea Greenberg	President/CEO-MSG Networks	$4,102,188	Mixed	12 Mar 2025
Charles F. Dolan	Director, Member of 13(d) Group, 10%+ Owner	$3,701,214	Mixed	09 Dec 2024
Robert H. Langer	EVP, CFO & Treasurer	$1,721,904	Mixed	13 Mar 2026
Brian G. Sweeney	Director, Trustee of 13(d) Group Member	$1,029,947	Mixed	04 Jun 2025
Thomas C. Dolan	Director, Member of 13(d) Group	$1,029,947	Mixed	04 Jun 2025
Joseph Lhota	Director	$981,932	Mixed	04 Jun 2025
Franco Laura	EVP & General Counsel	$928,359	Mixed	15 Sep 2025
John L. Sykes	Director	$908,874	Mixed	04 Jun 2025
Paul J. Dolan	Director, Trustee of 13(d) Group Member	$902,244	Mixed	04 Jun 2025
Joel M. Litvin	Director	$831,340	Mixed	04 Jun 2025
Kristin A. Dolan	Director, 10%+ Owner	$794,642	Mixed	04 Jun 2025
Andrew Lustgarten	President	$633,522	Mixed	15 Sep 2021
Quentin F. Dolan	Director	$623,188	Mixed	04 Jun 2025
Isiah L. Thomas III	Director	$623,188	Mixed	04 Jun 2025
Charles P. Dolan	Director	$623,188	Mixed	04 Jun 2025
Vincent Tese	Director	$623,188	Mixed	04 Jun 2025
Marianne Dolan Weber	Director, Member of 13(d) Group	$623,188	Mixed	04 Jun 2025
Ryan Thomas Dolan	Director	$536,305	Mixed	13 Mar 2026
Carl E. Vogel	Director	$451,354	Mixed	09 Dec 2024
Frederic V Salerno	Director	$404,866	Mixed	20 Apr 2023
Gautam Ranji	EVP, CFO & Treasurer	$354,656	Mixed	03 Nov 2023
Philip Gerard D'Ambrosio	SVP and Treasurer	$343,069	Mixed	20 Apr 2023
David F. Byrnes	EVP, CFO & Treasurer	$340,290	Mixed	13 Sep 2024
Martin Bandier	Director	$334,362	Mixed	20 Apr 2023
Gregory Brunner	SVP, Controller & PAO	$274,273	Mixed	15 Sep 2025
RYAN DOLAN 1989 TRUST	Member of 13(d) Group	$259,487	Mixed	09 Jul 2021
Mary S. Dolan	Trustee of 13(d) Group Member, 10%+ Owner	$250,712	Mixed	09 Jul 2021
Scott S. Packman	EVP & General Counsel	$250,678	Mixed	15 Sep 2021
Mark H. FitzPatrick	EVP & Chief Financial Officer	$249,797	Mixed	15 Sep 2021
Jamal H. Haughton	EVP & General Counsel	$225,878	Mixed	20 Apr 2023
Christopher J. Winters	SVP, Controller & PAO	$212,984	Mixed	11 Mar 2026
Courtney M. Zeppetella	SVP, Controller & CAO	$139,416	Mixed	20 Apr 2023
Joseph F. Yospe	SVP, Controller & PAO	$132,437	Mixed	24 Sep 2021
Corby Dolan Leinauer	Trustee of 13(d) Group Member, 10%+ Owner	$61,376	Mixed	09 Jul 2021
Matthew J. Dolan	Trustee of 13(d) Group Member	$57,122	Mixed	09 Jul 2021
Patrick Francis Dolan	Member of 13(d) Group	$42,785	Mixed	08 Sep 2025
Charles F. Dolan 2009 Revocable Trust	Member of 13(d) Group	$0	Mixed	08 Sep 2025
Allen M. Lo	EVP & Chief Legal Officer	$0	Mixed	30 Mar 2026
CHARLES F. DOLAN 2009 FAMILY TRUST FBO PATRICK F. DOLAN	Member of 13(d) Group		Mixed	08 Sep 2025
Kathleen Margaret Dolan	Member of 13(d) Group, 10%+ Owner		Mixed	08 Sep 2025
Kathleen M. Dolan 2012 Descendants Trust	Member of 13(d) Group		Mixed	08 Sep 2025
Debra Golding Perelman	Director		Mixed	04 Jun 2025
Marianne E. Dolan Weber 2012 Descendants Trust	Member of 13(d) Group		Mixed	08 Sep 2025
CHARLES F. DOLAN 2009 FAMILY TRUST FBO THOMAS C. DOLAN	Member of 13(d) Group		Mixed	08 Sep 2025

Recent Insider Transactions by Companies or Individuals for Sphere Entertainment Co.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Shares	Shares owned	Date	Ownership
Allen M. Lo	SPHR	Restricted Stock Units	Award		15,734	15,734	30 Mar 2026	Direct
Robert H. Langer	SPHR	Class A Common Stock	Tax liability	-50.9%	-5,416	5,232	13 Mar 2026	Direct
Robert H. Langer	SPHR	Class A Common Stock	Options Exercise		10,648	10,648	13 Mar 2026	Direct
Robert H. Langer	SPHR	Restricted Stock Units	Options Exercise	-33.3%	-10,648	21,298	13 Mar 2026	Direct
Ryan Thomas Dolan	SPHR	Class A Common Stock	Tax liability	-7.41%	-325	4,059	13 Mar 2026	Direct
Ryan Thomas Dolan	SPHR	Class A Common Stock	Options Exercise	26.1%	908	4,384	13 Mar 2026	Direct
Ryan Thomas Dolan	SPHR	Restricted Stock Units	Options Exercise	-65.5%	-908	478	13 Mar 2026	Direct
Jennifer Koester	SPHR	Class A Common Stock	Tax liability	-22.2%	-8,808	30,918	13 Mar 2026	Direct
Jennifer Koester	SPHR	Class A Common Stock	Options Exercise	76.8%	17,254	39,726	13 Mar 2026	Direct
Jennifer Koester	SPHR	Restricted Stock Units	Options Exercise	-33.3%	-17,254	34,509	13 Mar 2026	Direct
David Granville-Smith	SPHR	Class A Common Stock	Tax liability	-6.13%	-3,688	56,464	13 Mar 2026	Direct
David Granville-Smith	SPHR	Class A Common Stock	Options Exercise	12.5%	6,704	60,152	13 Mar 2026	Direct
David Granville-Smith	SPHR	Restricted Stock Units	Options Exercise	-33.3%	-6,704	13,410	13 Mar 2026	Direct
Christopher J. Winters	SPHR	Restricted Stock Units	Award		1,273	1,273	11 Mar 2026	Direct
Ryan Thomas Dolan	SPHR	Restricted Stock Units	Award		2,391	2,391	11 Mar 2026	Direct
David Granville-Smith	SPHR	Restricted Stock Units	Award		7,527	7,527	11 Mar 2026	Direct
Robert H. Langer	SPHR	Restricted Stock Units	Award		7,527	7,527	11 Mar 2026	Direct
Jennifer Koester	SPHR	Restricted Stock Units	Award		19,371	19,371	11 Mar 2026	Direct
James L. Dolan	SPHR	Class A Common Stock	Tax liability	-8.03%	-85,431	978,468	17 Feb 2026	Direct
James L. Dolan	SPHR	Class A Common Stock	Disposed to Issuer	-2.13%	-23,199	1,063,899	17 Feb 2026	Direct
James L. Dolan	SPHR	Class A Common Stock	Options Exercise	11.1%	108,630	1,087,098	17 Feb 2026	Direct
James L. Dolan	SPHR	Stock Options (Rights to Buy)	Options Exercise	-100%	-108,630	0	17 Feb 2026	Direct
Ryan Thomas Dolan	SPHR	Restricted Stock Units	Award	35.6%	716	2,728	17 Oct 2025	Direct
James L. Dolan	SPHR	Class A Common Stock	Tax liability	-7.85%	-79,027	928,211	15 Sep 2025	Direct
James L. Dolan	SPHR	Class A Common Stock	Options Exercise	18.3%	158,563	1,026,961	15 Sep 2025	Direct
James L. Dolan	SPHR	Performance Restricted Stock Units	Options Exercise	-100%	-98,750	0	15 Sep 2025	Direct
James L. Dolan	SPHR	Restricted Stock Units	Options Exercise	-100%	-59,813	0	15 Sep 2025	Direct
David Granville-Smith	SPHR	Class A Common Stock	Tax liability	-36.8%	-31,085	53,448	15 Sep 2025	Direct
David Granville-Smith	SPHR	Class A Common Stock	Options Exercise	230%	58,921	84,533	15 Sep 2025	Direct
David Granville-Smith	SPHR	Restricted Stock Units	Options Exercise	-90.2%	-58,921	6,427	15 Sep 2025	Direct
Ryan Thomas Dolan	SPHR	Class A Common Stock	Tax liability	-14.7%	-543	3,158	15 Sep 2025	Direct
Ryan Thomas Dolan	SPHR	Class A Common Stock	Options Exercise	71.6%	1,524	3,652	15 Sep 2025	Direct
Ryan Thomas Dolan	SPHR	Performance Restricted Stock Units	Options Exercise	-100%	-494	0	15 Sep 2025	Direct
Ryan Thomas Dolan	SPHR	Restricted Stock Units	Options Exercise	-100%	-1,030	0	15 Sep 2025	Direct
Laura Franco	SPHR	Class A Common Stock	Tax liability	-28.2%	-4,318	11,017	15 Sep 2025	Direct
Laura Franco	SPHR	Class A Common Stock	Options Exercise	232.1%	10,718	15,335	15 Sep 2025	Direct
Laura Franco	SPHR	Restricted Stock Units	Options Exercise	-90.8%	-10,718	1,093	15 Sep 2025	Direct
Gregory Brunner	SPHR	Class A Common Stock	Tax liability	-24.8%	-757	2,292	15 Sep 2025	Direct
Gregory Brunner	SPHR	Class A Common Stock	Options Exercise	222.3%	2,103	3,049	15 Sep 2025	Direct
Gregory Brunner	SPHR	Restricted Stock Units	Options Exercise	-62.8%	-2,103	1,248	15 Sep 2025	Direct
Jennifer Koester	SPHR	Class A Common Stock	Tax liability	-38.1%	-13,826	22,472	15 Sep 2025	Direct
Jennifer Koester	SPHR	Class A Common Stock	Options Exercise	294%	27,086	36,298	15 Sep 2025	Direct
Jennifer Koester	SPHR	Restricted Stock Units	Options Exercise	-79.9%	-27,086	6,829	15 Sep 2025	Direct
Charles F. Dolan 2009 Revocable Trust	SPHR	Class B Common Stock	Other	-100%	-341,684	0	08 Sep 2025	Direct
Kathleen M. Dolan 2012 Descendants Trust	SPHR	Class B Common Stock	Other		56,947	56,947	08 Sep 2025	Direct
Charles F. Dolan 2009 Family Trust Fbo Deborah A. Dolan Sweeney	SPHR	Class B Common Stock	Other	1.83%	10,250	571,780	08 Sep 2025	Direct
Charles F. Dolan 2009 Family Trust Fbo Thomas C. Dolan	SPHR	Class B Common Stock	Other	8.73%	56,948	709,438	08 Sep 2025	Direct
Charles F. Dolan Children Trust Fbo Deborah Dolan Sweeney	SPHR	Class B Common Stock	Other	10.1%	46,697	511,089	08 Sep 2025	Direct
James L. Dolan	SPHR	Class B Common Stock	Other	25.4%	56,947	281,583	08 Sep 2025	Direct
Marianne E. Dolan Weber 2012 Descendants Trust	SPHR	Class B Common Stock	Other		56,948	56,948	08 Sep 2025	Direct

An asterisk next to the price means the reported price is likely invalid.