YORKVILLE ACQUISITION CORP.

Ticker: MCGA CUSIP: G98659116 Class: SHS CL A

Holders for Q4 2025 Position Changes for Q4 2025

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

New Positions (6)

Jain Global LLC
Value ($000) $760 Shares 75,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP
Value ($000) $997 Shares 98,436
Parallax Volatility Advisers, L.P.
Value ($000) $461 Shares 45,522
JANE STREET GROUP, LLC
Value ($000) $754 Shares 74,386
Schonfeld Strategic Advisors LLC
Value ($000) $152 Shares 15,000
MORGAN STANLEY
Value ($000) $0 Shares 47

Increased Positions (14)

BCK Capital Management LP
Value ($000) $3,839 (+268.7%) Shares 379,000 (+288.0%)
Decagon Asset Management LLP
Value ($000) $12,312 (+11.6%) Shares 1,215,386 (+17.4%)
Anson Funds Management LP
Value ($000) $17,972 (+14.5%) Shares 1,774,150 (+20.5%)
METEORA CAPITAL, LLC
Value ($000) $8,143 (+369.0%) Shares 803,822 (+393.5%)
BERKLEY W R CORP
Value ($000) $3,883 (+354.3%) Shares 383,347 (+378.1%)
DLD Asset Management, LP
Value ($000) $6,212 (+16.2%) Shares 613,276 (+22.2%)
MIZUHO SECURITIES USA LLC
Value ($000) $5,446 (+883.6%) Shares 538,541 (+916.9%)
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
Value ($000) $8,611 (+85.8%) Shares 850,000 (+95.5%)
Shaolin Capital Management LLC
Value ($000) $2,533 (+375.1%) Shares 250,000 (+400.0%)
Clear Street Group Inc.
Value ($000) $2,432 (+14.4%) Shares 469,539 (+135.4%)
MILLENNIUM MANAGEMENT LLC
Value ($000) $2,811 (+166.3%) Shares 277,462 (+180.3%)
GLAZER CAPITAL, LLC
Value ($000) $2 (+23.4%) Shares 183,189 (+29.8%)
UBS Group AG
Value ($000) $39 (+2774.1%) Shares 3,870 (+2923.4%)
Virtu Financial LLC
Value ($000) $0 (+16.2%) Shares 12,722 (+21.7%)

Decreased Positions (6)

Harraden Circle Investments, LLC
Value ($000) $14,627 (-14.9%) Shares 1,443,900 (-10.5%)
BOOTHBAY FUND MANAGEMENT, LLC
Value ($000) $6,459 (-29.1%) Shares 637,610 (-25.4%)
HGC Investment Management Inc.
Value ($000) $39 (-85.4%) Shares 3,852 (-84.6%)
Radcliffe Capital Management, L.P.
Value ($000) $2,985 (-5.9%) Shares 294,690 (-1.0%)
JPMORGAN CHASE & CO
Value ($000) $303 (-57.9%) Shares 29,905 (-55.7%)
HRT FINANCIAL LP
Value ($000) $1 (-6.0%) Shares 143,756 (-1.1%)

Exited Positions (11)

FIFTH LANE CAPITAL, LP
Value ($000) $813 Shares 76,227
Pekin Hardy Strauss, Inc.
Value ($000) $282 Shares 26,500
TWO SIGMA INVESTMENTS, LP
Value ($000) $4,347 Shares 407,812
RK Capital Management, LLC/FL
Value ($000) $777 Shares 72,908
CANTOR FITZGERALD, L. P.
Value ($000) $589 Shares 55,278
Verition Fund Management LLC
Value ($000) $1,287 Shares 120,716
Azora Capital LP
Value ($000) $133 Shares 12,493
BALYASNY ASSET MANAGEMENT L.P.
Value ($000) $1,077 Shares 101,000
ExodusPoint Capital Management, LP
Value ($000) $218 Shares 20,411
TORONTO DOMINION BANK
Value ($000) $243 Shares 22,814
Squarepoint Ops LLC
Value ($000) $128 Shares 11,967