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Starz Entertainment (STRZ): which funds own it

Communication Services →(by SIC code, unreviewed)Data as of Jun 30, 2026 (Q2 2026) · updated on Nov 5, 2026

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

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2 concentrated managers hold it (+1 vs last quarter) with a median weight of 2.2%. 3 officers or directors bought in 6 months.

Who owns Starz Entertainment?

Holders reporting more than 5% of the shares to the SEC (Schedules 13D/13G): MHR Fund Management, 17.2% (13D/A filed Jun 4, 2025), MHR Fund Management, 15.1% (13D/A filed May 8, 2025) and CastleKnight Master Fund, 6.7% (13G filed Apr 17, 2026). Allen Family Capital, LLC, Mnuchin Steven T and Rachesky Mark H Md are listed on their Form 4 filings as owners of more than 10%. As of Jun 30, 2026, the largest holders reported on Form 13F were MHR Fund Management (17.1% of the shares), CastleKnight Management (7.4%) and BlackRock (7.3%).

Which institutions hold the most Starz Entertainment shares?

Per Form 13F filings as of Jun 30, 2026, as a share of all shares outstanding:

  1. 1. MHR Fund Management: 17.1%
  2. 2. CastleKnight Management: 7.4%
  3. 3. BlackRock: 7.3%
  4. 4. Vanguard Capital Management: 3.3%
  5. 5. Royce & Associates: 3.3%
  6. 6. NewEdge Wealth: 2.9%
  7. 7. Shapiro Capital Management: 2.8%
  8. 8. Russell Investments Group: 2.5%
  9. 9. Ancora Advisors: 2.4%
  10. 10. Neuberger Berman Group: 2.3%

How much of Starz Entertainment do institutions own?

The 146 institutions that file 13F reported 79.4% of the shares as of Jun 30, 2026.

Sources:13D/A by MHR Fund Management (Jun 4, 2025) ↗13D/A by MHR Fund Management (May 8, 2025) ↗13G by CastleKnight Master Fund (Apr 17, 2026) ↗All of the company's proxy statements on EDGAR ↗

13F percentages divide the shares each institution reports by the shares outstanding on the cover of the company's latest report before the quarter end (Apr 28, 2026). Entities of the same group file separately and are not added up. We hold 13D and 13G filings made since Dec 23, 2024: a holder above 5% that has not filed since then does not appear here.

Starz Entertainment revenue

Starz Entertainment reported annual revenue of $1.37 billion for fiscal year 2025 (year ended March 31, 2025), according to its Form 10-K filed with the SEC (XBRL data).

Concentrated managers
2
All 13F: 146
Consensus
—
No score: it needs 5 or more concentrated managers
Price at Jun 30, 2026 (per 13F)
$28.86
+151.0% in the quarter · reported value ÷ shares, not the quote · See current quote ↗

Quarter flow (concentrated managers)

Change in managers (1 → 2): 1 opened · 0 exited = +1

Net flow in the quarter: +$368K (+13 K shares) · bought $368K and sold $0Shares concentrated managers added minus those they cut, valued at the 13F quarter-end implied price, not each trade's price. It is a different measure from the change in managers: the two can have opposite signs.

The set of concentrated managers changed between quarters: with the set as it was then, 2 held it last quarter (the chart point); with today's set, 1 (the base for the change).

Concentrated managers holding it

Up to 15, sorted by position value. The percentage is the weight in each manager's portfolio.

Largest holders of STRZ (all 13F filers)

The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.

Held by institutions (13F)

Institutions (13F): 79.4% of the shares · top 10: 51.3% · in index firms: 21.7% of the institutional total

Share of the stock held by 13F filers

Q2 2026: 79.4%

90.4%79.4%
Q2 2025Q2 2026

Shares reported by the 146 13F filers as of Jun 30, 2026, divided by the shares outstanding on the cover of the company's latest report (Apr 28, 2026). It is not all institutional ownership: only managers above $100M file a 13F, and it excludes short positions. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. We only publish it where the figure is credible: not for ADRs, companies with more than one share class or stale shares-outstanding data.

Insiders (Form 4)

Officers and directors who bought (6 m)
3
Amount (6 m)
$761K
CEO/CFO bought (12 m)
Yes

10% owners who bought (6 m): 0

Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.

Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →

Above 5% (13D/13G)

Disclosed stakes, with their amendments. A filing is not always a purchase: there are also reductions and changes of filing entity.

This list may be incomplete: we hold 13D and 13G filings made since Dec 23, 2024. A holder above 5% that has not filed anything since then is not shown here.

Above 5% over time (13D/13G)

Each holder with its filings in order. History since December 2024.

Flagged material events (8-K)

  • Oct 23, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Oct 6, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Sep 15, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Apr 15, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Mar 10, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Nov 17, 2025Routinefiling ↗

    Change in directors or officers (Item 5.02)

Alert items the company itself flagged in its 8-K filings with the SEC, most serious first. It is the form's label, with no interpretation from us: Item 5.02 covers routine appointments as well as a chief executive's departure; open the filing. The quoted headline is the original press release's.

All material events (8-K)

Earnings, agreements, financing, management changes and announcements from the last year, with a filter by type and a link to each filing.

Other Communication Services stocks in managers' portfolios

Same sector and a similar number of concentrated managers holding them. It is a list to keep exploring, not a recommendation.

All of Communication Services →

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