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Starz Entertainment Corp

STRZ
Exchange
Nasdaq
Industry
Services-Motion Picture & Video Tape Production
SEC CIK
0000929351

In the last 90 days, Starz Entertainment Corp insiders filed 3 open-market purchases and 2 sales; 146 institutions reported holding it in 13F filings for Q2 2026, worth $384.6M in total; no superinvestor holds it.

Holders of 5% or more of STRZ

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Starz Entertainment Corp, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of STRZ
HolderLatest formStakeChangeFirst filedLatest filingFiling
Rachesky Mark H MD13D/A24.20%20.2M shares–Jan 28, 20251 filingJan 28, 2025SEC
MHR Fund Management LLC13D/A17.20%2.88M shares+2.10 ppfrom 15.10%Nov 21, 20224 filingsJun 4, 2025SEC
CastleKnight Master Fund LP13G6.70%1.13M sharesNewApr 17, 20261 filingApr 17, 2026SEC
BlackRock, Inc.13G/A5.30%4.47M shares–Apr 23, 20251 filingApr 23, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

55 Schedule 13D and 13G filings on Starz Entertainment Corp, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on STRZ
Filed (ET)FilerFormStakeChangeEvent dateFiling
Oct 29, 20264:30 PM ETAllen Family Capital, LLCand 1 other13D/A0.00%0 shares−10.70 ppfrom 10.70%Below 5%Aug 13, 2026SEC
May 14, 202610:19 AM ETCapital Research Global Investors13G/A0.00%0 shares−5.20 ppfrom 5.20%Below 5%Mar 31, 2026SEC
May 8, 202612:09 PM ETBank of Montrealand 3 others13G/A0.00%−10.75 ppfrom 10.75%Below 5%Apr 30, 2026SEC
Apr 17, 20265:40 PM ETCastleKnight Master Fund LPand 5 others13G6.70%1.13M sharesNewApr 10, 2026SEC
Apr 7, 202612:32 PM ETBank of Montrealand 4 others13G10.75%1.80M sharesNewMar 31, 2026SEC
Mar 12, 20265:01 PM ETAllen Family Capital, LLCand 1 other13D10.70%1.80M sharesNewMar 6, 2026SEC
Mar 5, 20268:53 AM ETLiberty 77 Capital L.P.and 6 others13D/A0.00%0 shares−10.80 ppfrom 10.80%Below 5%Mar 4, 2026SEC
Feb 12, 202610:25 AM ETCapital Research Global Investors13G/A5.20%870.0K shares−3.70 ppfrom 8.90%Dec 31, 2025SEC
Aug 13, 202511:37 AM ETCapital Research Global Investors13G8.90%1.49M sharesNewJun 30, 2025SEC
Jul 29, 202510:43 AM ETVanguard Group Inc13G/A4.36%729.4K shares–Below 5%Jun 30, 2025SEC
Jun 4, 20255:23 PM ETWarner Bros. Discovery, Inc.and 1 other13D/A0.00%0 shares−2.10 ppfrom 2.10%Below 5%Jun 2, 2025SEC
Jun 4, 20254:56 PM ETMHR Fund Management LLCand 4 others13D/A17.20%2.88M shares+2.10 ppfrom 15.10%Jun 2, 2025SEC
May 8, 20259:29 PM ETLiberty 77 Capital L.P.and 6 others13D/A10.80%1.80M shares–May 6, 2025SEC
May 8, 20256:10 PM ETLiberty Global Ltd.and 1 other13D/A2.80%469.1K shares–Below 5%May 6, 2025SEC
May 8, 20255:17 PM ETMHR Fund Management LLCand 4 others13D/A15.10%2.52M shares–May 6, 2025SEC
May 8, 20255:08 PM ETWarner Bros. Discovery, Inc.and 1 other13D/A2.10%353.3K shares–Below 5%May 6, 2025SEC
Apr 23, 20257:39 PM ETBlackRock, Inc.13G/A5.30%4.47M shares–Mar 31, 2025SEC
Jan 29, 20258:24 PM ETLiberty Global Ltd.and 1 other13D/A4.80%4.05M shares0.00 ppfrom 4.80%Below 5%Jan 27, 2025SEC
Jan 29, 20255:26 PM ETLiberty Global Ltd.and 1 other13D/A4.80%4.05M shares–Below 5%Jan 27, 2025SEC
Jan 28, 20257:03 PM ETRachesky Mark H MDand 4 others13D/A24.20%20.2M shares–Jan 27, 2025SEC
Nov 13, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Nov 7, 2024Invesco Ltd.13G/AOld format–––SEC
Aug 13, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Jul 12, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Jun 17, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
May 15, 2024Liberty Global Ltd.13D/AOld format–––SEC
May 14, 2024MHR Fund Management LLC13D/AOld format–––SEC
May 6, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Feb 13, 202410:39 AM ETBlackRock Inc.13G/AOld format–––SEC
Feb 13, 202410:39 AM ETBlackRock Inc.13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 13, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Feb 9, 2024Invesco Ltd.13G/AOld format–––SEC
Jan 18, 2024Liberty 77 Capital L.P.13D/AOld format–––SEC
Sep 5, 2023Liberty 77 Capital L.P.13DOld format–New–SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 3, 20234:27 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 2, 2023Invesco Ltd.13G/AOld format–––SEC
Feb 1, 20234:54 PM ETBlackRock Inc.13G/AOld format–––SEC
Nov 21, 2022MHR Fund Management LLC13D/AOld format–––SEC
Mar 11, 20222:13 PM ETBlackRock Inc.13GOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 10, 2022Invesco Ltd.13G/AOld format–––SEC
Feb 8, 20225:05 PM ETBlackRock Inc.13GOld format–––SEC
Feb 4, 20224:12 PM ETBlackRock Inc.13GOld format–––SEC
Dec 17, 2021Discovery, Inc.13D/AOld format–––SEC
Apr 12, 2021Invesco Ltd.13G/AOld format–––SEC

Form 144: proposed insider sales

7 notices from officers, directors and other affiliates planning to sell Starz Entertainment Corp shares, newest first.

Form 144 notices for STRZ
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Aug 13, 20264:14 PM ETHoffman AlisonOfficer11.5K$288.1KAug 13, 2026Merrill LynchSEC
Aug 12, 20264:27 PM ETHoffman AlisonOfficer20.8K$519.6KAug 12, 2026Merrill LynchSEC
Jun 2, 20264:31 PM ETWyrick JasonOfficer2.80K$71.4KJun 2, 2026Merrill LynchSEC
May 14, 20265:29 PM ETHoffman AlisonOfficer13.7K$292.6KMay 14, 2026Merrill LynchSEC
May 8, 20264:33 PM ETLee AudreyOfficer6.84K$147.9KMay 8, 2026Merrill LynchSEC
Dec 9, 20255:43 PM ETBurns Michael RaymondDirector94.2K$1.01MDec 9, 2025Pershing Advisor SolutionsSEC
Dec 27, 20243:19 PM ETFeltheimer JonCEO100.0K$702.0KDec 26, 2024Pershing Advisor SolutionsSEC