WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in MBUU — Malibu Boats, Inc.

CIK 1644956 CHICAGO, IL

Position in MBUU

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$12,332,632

New position

Shares Held

475,796

first reported quarter

Ownership

2.42%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 69% Shared 0% None 31%

Consumer Cyclical · as of Mar 31, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $24,682,868 across 3 Recreational Vehicles names. MBUU ranks #1 (50.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MBUU	Malibu Boats, Inc. This page	475,796	$12,332,632
2	WGO	Winnebago Industries Inc	387,101	$11,996,259
3	BC	Brunswick Corp	4,865	$353,977

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$12,332,632	475,796	—	Shares	Sole	2026-05-08
No filing history on record for this holder in this stock.