SIMPLEX TRADING, LLC

Position in BYD — Boyd Gaming Corp

CIK 1488542 CHICAGO, IL

Position in BYD

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

Position Value

$330,707

-$1,334,752 QoQ

Shares Held

3,744

-81.5% QoQ

Ownership

0.005%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#266

of 417 holders

Holding Since

Mar 2020

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Consumer Cyclical · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $3,235,438 across 4 Resorts & Casinos names. BYD ranks #3 (10.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CZR	Caesars Entertainment, Inc.	66,491	$2,006,698
2	MTN	Vail Resorts Inc	6,080	$827,792
3	BYD	Boyd Gaming Corp This page	3,744	$330,707
4	FLL	Full House Resorts Inc	25,176	$70,241

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$330,707	3,744	-81.5%	Shares	Sole	2026-08-12
2026-03-31	$1,665,459	20,266	-23.3%	Shares	Sole	2026-05-14
2024-06-30	$1,455,356	26,413	+126.4%	Shares	Sole	2024-07-25
2022-09-30	$556,027	11,669	-62.6%	Shares	Sole	2022-11-04
2022-06-30	$1,551,354	31,183	+2562.9%	Shares	Sole	2022-08-03
2021-12-31	$76,782	1,171	+1071.0%	Shares	Sole	2022-02-23
2020-03-31	$1,442	100	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.