$STRZ

$22.49 +$0.92 (4.27%) Live

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

Ownership

13F as of Q2 2026 · 17.1M shares outstanding

Who owns STRZ?

By type of holder

Institutions 77.5% Insiders 18.7% Everyone else 3.8%

Concentration Top 10 holders own 429.4%

Mark H. Rachesky, M.D. 118.2% · MHR Holdings LLC 117.5%

Institutional ownership

77.5%

-10.3 pts vs last qtr

Institutional holders

144

+4 vs last qtr

Net shares bought

−1.8M

by institutions in Q2 2026

New / sold out

24 / 20

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

CastleKnight Management LP +452.1K
Nuveen, LLC +155.6K

Biggest sellers in Q2 2026

Bank Of Montreal /can/ SOLD OUT −1.8M
J. Goldman & Co LP SOLD OUT −221.8K

Who is planning to sell?

Notices of proposed sale, last 12 months

$2.33M

6 notices from 4 people

Shares covered

149.8K

0.87% 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

Hoffman Alison Officer $1.1M
Burns Michael Raymond Director $1.01M

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, FY2015–FY2024

+53.9%

+4.91% a year

Each share's claim on the business

−35.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$223M vs $681M

over 10 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+ years59% 3–5 years7% 1–3 years26% Under 1 year9%

Quarterly turnover

15.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting STRZ on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MF MHR Fund Management LLC 13D · 17.1%	2.9M	16.72%	Unchanged	≤2021	4.3%
Shares held by quarter Peak holding20.1M (Q3'24) Change over 8 quarters−17.3M Share of the company16.720% Disclosed stake13D · 17.1% MHR Fund Management LLC's full portfolio →
BO Bank Of Montreal /can/	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding1.8M (Q1'26) Change over 8 quarters0 Bank Of Montreal /can/'s full portfolio →

MHR Fund Management LLC

13D · 17.1%

2.9M

% of company

16.72%

Change vs last qtr

Unchanged

Held since

≤2021

Bank Of Montreal /can/

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting STRZ on Form N-PORT; together they hold 20.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$11.4M	395.9K	2.31%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$9.33M	323.4K	1.89%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$11.4M

% of company

2.31%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$9.33M

% of company

1.89%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Starz Entertainment Corp. 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
MH Mark H. Rachesky, M.D. 5%+ holder 13D · 24.2%	20.2M	118.16%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company118.160% Disclosed stake13D · 24.2% View the 13D/G filing →
MH MHR Holdings LLC 5%+ holder 13D · 24.1%	20.1M	117.54%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company117.540% Disclosed stake13D · 24.1% View the 13D/G filing →

Mark H. Rachesky, M.D.

5%+ holder13D · 24.2%

20.2M

% of company

118.16%

Change vs last qtr

—

Held since

—

MHR Holdings LLC

5%+ holder13D · 24.1%

20.1M

% of company

117.54%

Change vs last qtr

—

Held since

—

22 more holders behind a free account

See every insider and 5%+ holder of Starz Entertainment Corp..

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