[SCHEDULE 13G] Sphere Entertainment Co. SEC Filing

Rhea-AI Filing Summary

Bank of Nova Scotia reports beneficial ownership of 1,756,613 shares of Sphere Entertainment Co. Class A common stock, representing 5.87% of the class. The filer reports sole voting and sole dispositive power over these shares and identifies itself as a parent holding company. The Schedule 13G filing indicates the holding is reported under the forms applicable to passive or institutional investors and notes that the foreign regulatory regime for the bank is substantially comparable to the U.S. equivalent. Other items in the filing—including group membership, ownership on behalf of another person, and subsidiary acquisition details—are marked not applicable.

Positive

• Material stake disclosed: ownership of 1,756,613 shares representing 5.87% of Class A stock
• Sole control reported: filer has sole voting and sole dispositive power over the shares

Negative

• None.

Insights

Institutional Ownership Analyst

Large passive stake disclosed: 5.87% ownership with sole control.

The Bank of Nova Scotia reports holding 1,756,613 Class A shares and exercises sole voting and dispositive power. A >5% position typically requires disclosure because it can influence liquidity and share ownership concentration.

This filing shows no shared or group ownership and lists ownership-on-behalf items as not applicable, suggesting the position is held in the bank's own capacity. Monitor future filings for position changes or any Schedule 13D that would indicate an active strategic intent within a short-to-medium horizon.

Corporate Governance Specialist

Parent holding company classification and regulatory certification are emphasized.

The filer classifies itself as a parent holding company and includes a certification that its foreign regulatory scheme is substantially comparable to U.S. rules, a standard disclosure for non‑U.S. institutions filing under Schedule 13G. That certification allows limited relief from certain disclosures.

Investors may watch for any change in classification or additional disclosures, since a switch to Schedule 13D or reported shared/group ownership would materially change governance implications.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Sphere Entertainment Co.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

55826T102

(CUSIP Number)

09/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 55826T102

1

Names of Reporting Persons

BANK OF NOVA SCOTIA

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CANADA (FEDERAL LEVEL)

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,756,613.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,756,613.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,756,613.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.87 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Sphere Entertainment Co.
(b)	Address of issuer's principal executive offices: TWO PENNSYLVANIA PLAZA, NEW YORK, NEW YORK 10121
Item 2.
(a)	Name of person filing: BANK OF NOVA SCOTIA
(b)	Address or principal business office or, if none, residence: 40 TEMPERANCE STREET TORONTO, Ontario, Canada M5H 0B4
(c)	Citizenship: BANK OF NOVA SCOTIA - CANADA (FEDERAL LEVEL)
(d)	Title of class of securities: Class A Common Stock
(e)	CUSIP No.: 55826T102
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
	A parent holding company, in accordance with 13d-1(b)(i)(ii)(g)
Item 4.	Ownership
(a)	Amount beneficially owned: 1,756,613
(b)	Percent of class: 5.87 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: BANK OF NOVA SCOTIA - 1,756,613
	(ii) Shared power to vote or to direct the vote: BANK OF NOVA SCOTIA - 0
	(iii) Sole power to dispose or to direct the disposition of: BANK OF NOVA SCOTIA - 1,756,613
	(iv) Shared power to dispose or to direct the disposition of: BANK OF NOVA SCOTIA - 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to The Bank of Nova Scotia is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BANK OF NOVA SCOTIA

Signature:	Raj Sachdeva
Name/Title:	Vice President, Head of GBM&T, Compliance Canada
Date:	10/06/2025

FAQ

Who filed the Schedule 13G for Sphere Entertainment (SPHR)?

The filing was made by Bank of Nova Scotia reporting ownership of Class A common stock.

How many Sphere Entertainment (SPHR) shares does Bank of Nova Scotia own?

The filer reports beneficial ownership of 1,756,613 shares of Class A common stock.

What percentage of SPHR does the 13G filing represent?

The reported position represents 5.87% of the Class A common stock.

Does Bank of Nova Scotia share voting or dispositive power over these SPHR shares?

No. The filing reports sole voting and sole dispositive power for the 1,756,613 shares.

Is the ownership reported on behalf of another person or in a group?

No. The filing indicates not applicable for ownership on behalf of another person and for group membership.