GROUP ONE TRADING LLC

Position in MCGA — Yorkville Acquisition Corp.

CIK 932540 CHICAGO, IL

Position in MCGA

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$15,315

New position

Shares Held

1,500

first reported quarter

Ownership

0.006%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#52

of 54 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $2,043,736 across 4 Shell Companies names. MCGA ranks #2 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AEXA	American Exceptionalism Acquisition Corp. A	170,921	$2,020,286
2	MCGA	Yorkville Acquisition Corp. This page	1,500	$15,315
3	DYNC	Dynamix Corp	754	$8,135
4			14,384	$0

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$15,315	1,500	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.