As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of Starz Entertainment Corp. The largest reported stake is CastleKnight Master Fund LP's, at 6.7%. 10 filings are on record since July 29, 2025 (Schedule 13G, April 17, 2026).
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Key facts
- · Reporting person: Allen Family Capital, LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13D/A, 2026-10-29
- · Holder: Capital Research Global Investors · Percent: 0% · SCHEDULE 13G/A
- · Holder: Bank of Montreal · Percent: 0% · SCHEDULE 13G/A
- · Holder: CastleKnight Master Fund LP · Percent: 6.7% · SCHEDULE 13G
- · Holder: Bank of Montreal · Percent: 10.75% · SCHEDULE 13G
Starz Entertainment Corp. has 10 Schedule 13D or 13G filings on record since 2025-07-29. 1 holder's latest filing reports 5% or more of common shares, no par value per share. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| CastleKnight Master Fund LP | 6.7% | 1,130,109 | SCHEDULE 13G, 2026-04-17 | 2026-04-10 |
| The Vanguard Group | 4.36% | 729,435 | SCHEDULE 13G/A, 2025-07-29 | 2025-06-30 |
| Capital Research Global Investors | 0% | 0 | SCHEDULE 13G/A, 2026-05-14 | 2026-03-31 |
| Liberty 77 Capital L.P. | 0% | 0 | SCHEDULE 13D/A, 2026-03-05 | 2026-03-04 |
| Allen Family Capital, LLC | 0% | 0 | SCHEDULE 13D/A, 2026-10-29 | 2026-08-13 |
| Bank of Montreal | 0% | SCHEDULE 13G/A, 2026-05-08 | 2026-04-30 |
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More on Starz Entertainment Corp. and the records around it.
Starz Entertainment Corp. elsewhere on the record
Companies that share a holder
- Liberty 77 Capital L.P. also filed stake reports on 3 other companies: Satellogic Inc. (May 2026), Lionsgate Studios Corp. (Jan 2026), FLAGSTAR BANK, N.A. (Oct 2025)
- CastleKnight Master Fund LP also filed stake reports on 17 other companies: Suja Life, Inc. (Aug 2026), Advantage Solutions Inc. (Aug 2026), HAIN CELESTIAL GROUP INC (Aug 2026)
- Bank of Montreal also filed stake reports on 49 other companies: Akari Therapeutics Plc (Aug 2026), Alarm.com Holdings, Inc. (Aug 2026), North American Construction Group Ltd. (Aug 2026)
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What the Full Report on Starz Entertainment Corp. covers
The Short Answer
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The Money: Funding, Valuation, Runway
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Allen Family Capital, LLC | 0 | 0 | 0 | 0 | SCHEDULE 13D/A, 2026-10-29 |
| Byron Allen Folks | 0 | 0 | 0 | 0 | SCHEDULE 13D/A, 2026-10-29 |
The latest filing identifies Starz Entertainment Corp. by CUSIP 855919106 and gives its principal executive office as 250 Howe Street, 20th Floor, Vancouver (SCHEDULE 13D/A, 2026-10-29).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-29 | The Vanguard Group | 4.36% | SCHEDULE 13G/A |
| 2025-08-13 | Capital Research Global Investors | 8.9% | SCHEDULE 13G |
| 2026-02-12 | Capital Research Global Investors | 5.2% | SCHEDULE 13G/A |
| 2026-03-05 | Liberty 77 Capital L.P. | 0% | SCHEDULE 13D/A |
| 2026-03-12 | Allen Family Capital, LLC | 10.7% | SCHEDULE 13D |
| 2026-04-07 | Bank of Montreal | 10.75% | SCHEDULE 13G |
| 2026-04-17 | CastleKnight Master Fund LP | 6.7% | SCHEDULE 13G |
| 2026-05-08 | Bank of Montreal | 0% | SCHEDULE 13G/A |
| 2026-05-14 | Capital Research Global Investors | 0% | SCHEDULE 13G/A |
| 2026-10-29 | Allen Family Capital, LLC | 0% | SCHEDULE 13D/A |
Questions about who owns Starz Entertainment Corp.
Who owns Starz Entertainment Corp.?
On this page, one holder's latest ownership filing reports 5% or more of Starz Entertainment Corp.: CastleKnight Master Fund LP (6.7%, Schedule 13G, filed 2026-04-17).
When did CastleKnight Master Fund LP buy into Starz Entertainment Corp.?
The filings give report dates, not purchase dates. The earliest filing from CastleKnight Master Fund LP on this page is the Schedule 13G, filed 2026-04-17, reporting 6.7%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Also on the record for Starz Entertainment Corp.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| October 23, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
| October 6, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
| September 15, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
| April 15, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.