SIMPLEX TRADING, LLC

Position in MBUU — Malibu Boats, Inc.

CIK 1488542 CHICAGO, IL

Position in MBUU

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$18,734

+$8,859 QoQ

Shares Held

683

+79.3% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#111

of 139 holders

Holding Since

Mar 2020

16 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Cyclical · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $3,470,950 across 5 Recreational Vehicles names. MBUU ranks #4 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PII	Polaris Inc.	28,091	$1,922,548
2	HOG	Harley-Davidson, Inc.	55,363	$1,354,178
3	PATK	Patrick Industries Inc	1,867	$167,619
4	MBUU	Malibu Boats, Inc. This page	683	$18,734
5	DOO	BRP Inc.	129	$7,871

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,734	683	+79.3%	Shares	Sole	2026-08-12
2026-03-31	$9,875	381	+162.8%	Shares	Sole	2026-05-14
2025-12-31	$4,090	145	-84.6%	Shares	Sole	2026-02-11
2025-09-30	$30,503	940	+225.3%	Shares	Sole	2025-11-12
2025-06-30	$9,057	289	-94.9%	Shares	Sole	2025-08-05
2024-03-31	$243,709	5,631	+2715.5%	Shares	Sole	2024-04-25
2023-06-30	$11,732	200	+129.9%	Shares	Sole	2023-08-04
2023-03-31	$4	87	-98.2%	Shares	Sole	2023-04-27
2022-06-30	$250,108	4,745	+1492.3%	Shares	Sole	2022-08-03
2022-03-31	$17,286	298	-53.4%	Shares	Sole	2022-05-02
2021-12-31	$43,918	639	-67.0%	Shares	Sole	2022-02-23
2021-09-30	$135,551	1,937	+1569.8%	Shares	Sole	2021-10-28
2021-06-30	$8,506	116	-91.3%	Shares	Sole	2021-08-12
2021-03-31	$106,850	1,341	-74.8%	Shares	Sole	2021-04-26
2020-12-31	$332,617	5,327	+1245.2%	Shares	Sole	2021-02-02
2020-03-31	$11,400	396	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.