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Malibu Boats, Inc.

MBUU
Exchange
Nasdaq
Industry
Ship & Boat Building & Repairing
SEC CIK
0001590976

No open-market purchases or sales by Malibu Boats, Inc. insiders were filed in the last 90 days; 141 institutions reported holding it in 13F filings for Q2 2026, worth $494.0M in total; no superinvestor holds it.

Holders of 5% or more of MBUU

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

Holders of 5% or more of MBUU
HolderLatest formStakeChangeFirst filedLatest filingFiling
Pzena Investment Management LLC13G/A9.00%1.72M shares+1.20 ppfrom 7.80%Oct 15, 20242 filingsJan 16, 2026SEC
Wellington Management Group LLP13G/A6.30%1.24M shares−1.20 ppfrom 7.50%Nov 8, 20244 filingsAug 13, 2026SEC

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

43 Schedule 13D and 13G filings on Malibu Boats, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MBUU
Filed (ET)FilerFormStakeChangeEvent dateFiling
Oct 23, 20261:44 PM ETCooke & Bieler LP13G/A4.80%950.9K shares−0.80 ppfrom 5.60%Below 5%Sep 30, 2026SEC
Aug 14, 20263:37 PM ETTwin Lions Management LLCand 1 other13G/A2.60%504.2K shares−2.90 ppfrom 5.50%Below 5%Jun 30, 2026SEC
Aug 14, 20261:54 PM ETNomura Asset Management International Inc.and 1 other13G/A0.00%0 shares−5.30 ppfrom 5.30%Below 5%Jun 30, 2026SEC
Aug 13, 20264:08 PM ETWellington Management Group LLPand 3 others13G/A6.30%1.24M shares−1.20 ppfrom 7.50%Jun 30, 2026SEC
Aug 5, 20269:04 AM ETCooke & Bieler LP13G/A5.60%1.10M shares−2.40 ppfrom 8.00%Jun 30, 2026SEC
May 15, 20267:24 AM ETWellington Management Group LLPand 3 others13G/A7.50%1.40M shares−1.30 ppfrom 8.80%Mar 31, 2026SEC
Mar 27, 202610:34 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 17, 20263:52 PM ETNomura Asset Management International Inc.and 1 other13G5.30%991.9K sharesNewDec 31, 2025SEC
Feb 13, 20267:38 AM ETMacquarie Group Ltdand 2 others13G/A0.00%0 shares−5.62 ppfrom 5.62%Below 5%Dec 31, 2025SEC
Feb 10, 202611:21 AM ETWellington Management Group LLPand 3 others13G/A8.80%1.69M shares–Dec 31, 2025SEC
Jan 21, 20261:21 PM ETDimensional Fund Advisors LP13G/A4.80%914.4K shares–Below 5%Dec 31, 2025SEC
Jan 16, 20269:42 AM ETPzena Investment Management LLC13G/A9.00%1.72M shares+1.20 ppfrom 7.80%Dec 31, 2025SEC
Nov 13, 20257:06 PM ETCapital World Investors13G/A4.90%949.7K shares–Below 5%Sep 30, 2025SEC
Nov 6, 20259:50 AM ETCooke & Bieler LP13G/A8.00%1.54M shares–Sep 30, 2025SEC
May 15, 20256:23 AM ETMacquarie Group Ltdand 2 others13G/A5.62%1.10M shares–Mar 31, 2025SEC
May 13, 20255:15 PM ETTwin Lions Management LLCand 1 other13G5.50%1.05M sharesNewMay 7, 2025SEC
Nov 14, 2024Cooke & Bieler LP13GOld format–New–SEC
Nov 8, 2024Wellington Management Group LLP13GOld format–New–SEC
Nov 8, 2024American Century Investment Management Inc13G/AOld format–––SEC
Nov 1, 2024Macquarie Group Ltd13G/AOld format–––SEC
Oct 31, 2024Dimensional Fund Advisors LP13GOld format–New–SEC
Oct 15, 20243:11 PM ETPzena Investment Management LLC13G7.80%1.56M sharesNewSep 30, 2024SEC
Feb 14, 2024Macquarie Group Ltd13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 12, 2024American Century Investment Management Inc13G/AOld format–––SEC
Feb 9, 2024Capital World Investors13G/AOld format–––SEC
Jan 25, 20244:59 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2023Macquarie Group Ltd13G/AOld format–––SEC
Feb 13, 2023Capital World Investors13GOld format–New–SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 8, 2023American Century Investment Management Inc13G/AOld format–––SEC
Jan 31, 20231:58 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2022Macquarie Group Ltd13G/AOld format–––SEC
Feb 11, 2022Lord, Abbett & Co. LLC13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 4, 2022American Century Investment Management Inc13GOld format–New–SEC
Feb 3, 20224:41 PM ETBlackRock Inc.13G/AOld format–––SEC
Jul 9, 2021Macquarie Group Ltd13G/AOld format–––SEC
Feb 12, 2021Macquarie Group Ltd13G/AOld format–––SEC
Feb 12, 2021Lord, Abbett & Co. LLC13G/AOld format–––SEC
Feb 11, 2021Renaissance Technologies LLC13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Jan 29, 20215:23 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

5 notices from officers, directors and other affiliates planning to sell Malibu Boats, Inc. shares, newest first.

Form 144 notices for MBUU
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Nov 7, 20235:13 PM ETAnderson Ritchie L.Officer13.4K$581.2KNov 7, 2023Morgan Stanley Smith Barney LLC Executive ServicesSEC
Jun 9, 20235:37 PM ETWilson Wayne R.Officer5.72K$340.3KJun 9, 2023ETRADE FINANCIAL CORPORATIONSEC
Jun 7, 20237:03 PM ETSpringer Jackie D. Jr.Officer25.0K$1.44MJun 7, 2023ETRADE FINANCIAL CORPORATIONSEC
May 5, 20235:30 PM ETWilson Wayne R.Officer35.0K$1.97MMay 5, 2023ETRADE FINANCIAL CORPORATIONSEC
May 5, 20235:29 PM ETWilson Wayne R.Officer35.0K$1.97MMay 5, 2023ETRADE FINANCIAL CORPORATIONSEC