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Madison Square Garden Sports (MSGS): Gabelli group discloses 4.62% stake and recent sales

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Madison Square Garden Sports Corp. has a significant shareholder group led by Mario Gabelli and affiliated entities reporting beneficial ownership of 903,892 common shares, equal to 4.62% of the company’s 19,550,424 shares outstanding as of the most recent Form 10-K. Key holders include GAMCO Asset Management Inc. with 509,732 shares (2.61%) and Gabelli Funds LLC with 356,522 shares (1.82%), with smaller positions held by Associated Capital Group, Gabelli & Company Investment Advisers, the Gabelli Foundation, GGCP, MJG Associates, and Mario Gabelli personally.

These entities are primarily registered investment advisers and related holding companies that manage assets for funds, private partnerships, and separate accounts. They generally have sole voting and dispositive power over their reported shares, subject to fund proxy committees and certain client arrangements. The group states it uses the long-form Schedule 13D so that ongoing communications with MSGS management remain compliant with Exchange Act reporting obligations.

The aggregate position reflects a reduction: the reporting group ceased to be a 5% or greater beneficial owner on August 12, 2026. Recent activity includes numerous open-market trades between mid-July and mid-August 2026, largely sales at prices around $385–$427 per share by Gabelli-managed funds and GAMCO Asset Management.

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Aggregate beneficial ownership 903,892 shares Total MSGS shares beneficially owned by the Gabelli reporting group
Ownership percentage 4.62% Portion of MSGS’s 19,550,424 outstanding shares held by the reporting group
Shares outstanding 19,550,424 shares Madison Square Garden Sports common shares outstanding as of most recent Form 10-K
GAMCO Asset Management holdings 509,732 shares (2.61%) Largest single position in MSGS within the reporting group
Gabelli Funds holdings 356,522 shares (1.82%) Second-largest MSGS position within the reporting group
Ceased ≥5% ownership date August 12, 2026 Date on which the reporting group fell below 5% beneficial ownership
Large sale price example $426.7686 per share Price for 42,100 MSGS shares sold by GAMCO Asset Management on August 13, 2026
beneficially own financial
"The aggregate number of Securities to which this relates is 903,892 shares, representing 4.62%. The Reporting Persons beneficially own those Securities..."
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
sole voting power financial
"Number of Shares Beneficially Owned by Each Reporting Person With: 7 Sole Voting Power 356,522.00..."
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
sole dispositive power financial
"Number of Shares Beneficially Owned by Each Reporting Person With: 9 Sole Dispositive Power 509,732.00..."
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
Schedule 13D regulatory
"The Reporting Persons file the long form pursuant to Section 13d-1... even though they may be technically eligible to file the short form Schedule G."
A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.
investment adviser financial
"GAMCO... is an investment adviser registered under the Investment Advisers Act of 1940..."
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
proxy voting committee financial
"the Proxy Voting Committee of each Fund shall respectively vote that Fund’s shares..."

FAQ

Which Gabelli entity holds the largest stake in Madison Square Garden Sports (MSGS)?

The largest stake is held by GAMCO Asset Management Inc. with 509,732 MSGS shares, representing 2.61% of the outstanding common stock, as reported. Gabelli Funds LLC is next with 356,522 shares, or 1.82% of the class.

When did the Gabelli reporting group fall below 5% ownership in MSGS?

The reporting group ceased to be beneficial owners of 5% or more of Madison Square Garden Sports Corp.’s common stock on August 12, 2026, according to their disclosure under Item 5(e) of the Schedule 13D amendment.

How many Madison Square Garden Sports (MSGS) shares are outstanding in this disclosure?

The disclosure states that the 903,892 MSGS shares reported represent 4.62% of 19,550,424 shares of Madison Square Garden Sports Corp. common stock outstanding, as reported in the company’s most recently filed Form 10-K for the year ended June 30, 2026.

What recent trading activity in MSGS did GAMCO Asset Management report?

GAMCO Asset Management reported multiple open-market MSGS trades between July 13 and August 13, 2026, including sales such as 42,100 shares at $426.7686 on August 13, 2026, and numerous smaller transactions in the $384–$413 per-share range.

Why are the Gabelli entities using a long-form Schedule 13D for MSGS?

They state they file the long-form Schedule 13D under Section 13(d)-1 even though they may be eligible for the short-form Schedule 13G, so that their regular communications with MSGS management remain compliant with Exchange Act reporting obligations.

Which other Gabelli-affiliated entities hold MSGS shares and in what amounts?

Other holders include Gabelli Funds LLC with 356,522 shares, Associated Capital Group with 5,000, GCIA with 2,075, Gabelli Foundation with 8,300, GGCP with 3,800, MJG Associates with 12,300, and Mario Gabelli personally with 6,000 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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55825T103

(CUSIP Number)
DAVID GOLDMAN
191 MASON STREET,
GREENWICH, CT, 06830
914-921-5000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
08/13/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D


GAMCO INVESTORS, INC. ET AL
Signature:DAVID GOLDMAN
Name/Title:CHIEF LEGAL OFFICER
Date:08/14/2026
GABELLI FUNDS LLC
Signature:DAVID GOLDMAN
Name/Title:GENERAL COUNSEL
Date:08/14/2026
GAMCO Asset Management Inc.
Signature:DOUGLAS R. JAMIESON
Name/Title:PRESIDENT
Date:08/14/2026
GABELLI & Co INVESTMENT ADVISERS, INC.
Signature:DOUGLAS R. JAMIESON
Name/Title:PRESIDENT
Date:08/14/2026
GABELLI FOUNDATION, INC.
Signature:DAVID GOLDMAN
Name/Title:ATTORNEY-IN-FACT
Date:08/14/2026
MJG ASSOCIATES, INC.
Signature:DAVID GOLDMAN
Name/Title:ATTORNEY-IN-FACT
Date:08/14/2026
GGCP, INC.
Signature:DAVID GOLDMAN
Name/Title:ATTORNEY-IN-FACT
Date:08/14/2026
Associated Capital Group, Inc.
Signature:DAVID GOLDMAN
Name/Title:GENERAL COUNSEL
Date:08/14/2026
GABELLI MARIO J
Signature:DAVID GOLDMAN
Name/Title:ATTORNEY-IN-FACT
Date:08/14/2026