$SPHR

$110.44 +$1.50 (1.38%) Close

$SPHR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 36.2M shares outstanding

Who owns SPHR?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 83.8%

James L. Dolan 13.2% · Mary S. Dolan, as Trustee of certain trusts described herein 11.8%

Institutional ownership

100.0%

+3.5 pts vs last qtr

Institutional holders

417

+40 vs last qtr

Net shares bought

+2.0M

by institutions in Q2 2026

New / sold out

96 / 56

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Sands Capital Management, LLC NEW +1.4M
FMR LLC +622.4K

Biggest sellers in Q2 2026

Ariel Investments, LLC −797.0K
Two Sigma Investments, LP −602.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$6.05M

5 notices from 3 people

Shares covered

67.5K

0.19% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Greenberg Andrea Former officer $2.86M
Charles F. Dolan 2009 Revocable Trust Director $2.82M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2018–FY2025

+88.8%

+9.50% a year

Each share's claim on the business

−47.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$344M vs $442M

over 8 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years56% 3–5 years2% 1–3 years16% Under 1 year26%

Quarterly turnover

17.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting SPHR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	4.1M	11.29%	+172.1K (+4.4%)	≤2021	0.0%
Shares held by quarter Peak holding4.1M (Q2'26) Change over 8 quarters+2.1M Share of the company11.290% BlackRock, Inc.'s full portfolio →
JC Jericho Capital Asset Management L.P.	2.6M	7.21%	Unchanged	2023	3.7%
Shares held by quarter Peak holding2.8M (Q3'24) Change over 8 quarters−200.0K Share of the company7.210% Jericho Capital Asset Management L.P.'s full portfolio →

BlackRock, Inc.

4.1M

% of company

11.29%

Change vs last qtr

+172.1K (+4.4%)

Held since

≤2021

Jericho Capital Asset Management L.P.

2.6M

% of company

7.21%

Change vs last qtr

Unchanged

Held since

2023

28 more super investors behind a free account

See every manager holding Sphere Entertainment Co, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting SPHR on Form N-PORT; together they hold 37.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$280M	1.6M	4.48%	0.25%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$143M	826.6K	2.29%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$280M

% of company

4.48%

% of the fund

0.25%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$143M

% of company

2.29%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Sphere Entertainment Co and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
JL James L. Dolan 5%+ holder 13D · 14.5%	4.8M	13.16%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company13.160% Disclosed stake13D · 14.5% View the 13D/G filing →
MS Mary S. Dolan, as Trustee of certain trusts described herein 5%+ holder 13D · 12.9%	4.3M	11.84%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company11.840% Disclosed stake13D · 12.9% View the 13D/G filing →

James L. Dolan

5%+ holder13D · 14.5%

4.8M

% of company

13.16%

Change vs last qtr

—

Held since

—

Mary S. Dolan, as Trustee of certain trusts described herein

5%+ holder13D · 12.9%

4.3M

% of company

11.84%

Change vs last qtr

—

Held since

—

27 more holders behind a free account

See every insider and 5%+ holder of Sphere Entertainment Co.

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