YORKVILLE ACQUISITION CORP.

Ticker: MCGAU CUSIP: G98659108 Class: UNIT

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

New Positions (2)

CITADEL ADVISORS LLC

Value ($000) $109 Shares 10,636

Value ($000) $3 Shares 293

Institution	Shares	Value ($000)
CITADEL ADVISORS LLC	10,636	$109
UBS Group AG	293	$3

Increased Positions (2)

Robinson Capital Management, LLC

Value ($000) $156 (+39.8%) Shares 15,200 (+52.0%)

GLAZER CAPITAL, LLC

Value ($000) $0 (+367.3%) Shares 25,000 (+400.0%)

Institution	Prev Shares	Curr Shares	Change
Robinson Capital Management, LLC	10,000	15,200	+5,200 (+52.0%)
GLAZER CAPITAL, LLC	5,000	25,000	+20,000 (+400.0%)

Decreased Positions (3)

Value ($000) $205 (-26.1%) Shares 20,000 (-20.4%)

Clear Street Group Inc.

Value ($000) $941 (-10.3%) Shares 91,763 (-3.4%)

Schonfeld Strategic Advisors LLC

Value ($000) $174 (-13.3%) Shares 16,934 (-6.7%)

Institution	Prev Shares	Curr Shares	Change
MORGAN STANLEY	25,112	20,000	-5,112 (-20.4%)
Clear Street Group Inc.	94,952	91,763	-3,189 (-3.4%)
Schonfeld Strategic Advisors LLC	18,144	16,934	-1,210 (-6.7%)

Exited Positions (8)

BCK Capital Management LP

Value ($000) $256 Shares 23,185

BlueCrest Capital Management Ltd

Value ($000) $1,956 Shares 176,991

Dauntless Investment Group, LLC

Value ($000) $33 Shares 2,991

Jain Global LLC

Value ($000) $838 Shares 75,000

MILLENNIUM MANAGEMENT LLC

Value ($000) $1,619 Shares 146,500

Parallax Volatility Advisers, L.P.

Value ($000) $553 Shares 50,000

Virtu Financial LLC

Value ($000) $0 Shares 14,259

PICTON MAHONEY ASSET MANAGEMENT

Value ($000) $0 Shares 4

Institution	Prev Shares	Prev Value ($000)
BCK Capital Management LP	23,185	$256
BlueCrest Capital Management Ltd	176,991	$1,956
Dauntless Investment Group, LLC	2,991	$33
Jain Global LLC	75,000	$838
MILLENNIUM MANAGEMENT LLC	146,500	$1,619
Parallax Volatility Advisers, L.P.	50,000	$553
Virtu Financial LLC	14,259	$0
PICTON MAHONEY ASSET MANAGEMENT	4	$0