Yorkville Acquisition Corp. Class AMCGA

13F holders, Q4 2025 (December 31)
48holders −7
6new positions
11sold out
2famous investors
$9.97avg. 13F price*

At the end of Q4 2025, 48 institutions reported holding Yorkville Acquisition Corp. Class A (MCGA) in their 13F filings, down 7 from Q3 2025. 6 opened new positions and 11 sold out. The largest holders were Anson Funds Management LP ($18.0M), Harraden Circle Investments, LLC ($14.6M) and Decagon Asset Management LLP ($12.3M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Yorkville Acquisition Corp. Class A
CUSIP
G98659116
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q3 2025: 55Q3 2025Q4 2025: 48Q4 2025Q1 2026: 52Q1 2026Q2 2026: 54Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions6$3.1M
Exits11$9.9M

All 13F filers, Q3 2025 → Q4 2025: 3,724,786 shares bought and 1,376,699 shares sold, net +2,348,087 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 48 holders

Anson Funds Management LP 2.54% Add +20.5% 1,774,150 $18.0M
Harraden Circle Investments, LLC 3.00% Reduce -10.4% 1,443,900 $14.6M
Decagon Asset Management LLP 5.23% Add +17.4% 1,215,386 $12.3M
Murchinson Ltd. 6.32% No change 1,000,400 $10.1M
Davidson Kempner Capital Management LP 0.18% Add +95.5% 850,000 $8.6M
Meteora Capital, LLC 0.70% Add +393.5% 803,822 $8.1M
Boothbay Fund Management, LLC 0.17% Reduce -25.4% 637,610 $6.5M
DLD Asset Management, LP 2.15% Add +22.2% 613,276 $6.2M
Mizuho Securities USA LLC 0.09% Add +916.9% 538,541 $5.4M
Berkley W R Corp. 0.22% Add +378.1% 383,347 $3.9M
BCK Capital Management LP 21.37% Add +288.0% 379,000 $3.8M
AQR Arbitrage LLC 0.08% No change 303,867 $3.1M
Radcliffe Capital Management, L.P. 0.42% Reduce -1.0% 294,690 $3.0M
Millennium Management 0.00% Add +180.3% 277,462 $2.8M
First Trust Capital Management L.P. 0.16% No change 262,030 $2.7M
Shaolin Capital Management LLC 0.33% Add +400.0% 250,000 $2.5M
Clear Street Group Inc. 0.01% Add +135.4% 469,539 $2.4M
Polar Asset Management Partners Inc. 0.06% No change 239,692 $2.4M
LMR Partners LLP 0.03% No change 207,208 $2.1M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.17% No change 200,000 $2.0M
Linden Advisors LP 0.15% No change 200,000 $2.0M
Magnetar Financial LLC 0.02% No change 195,000 $2.0M
Glazer Capital, LLC 0.05% Add +29.8% 183,189 $1.9M
Hudson Bay Capital Management LP 0.01% No change 150,000 $1.5M
HRT Financial LP 0.00% Reduce -1.1% 143,756 $1.5M
Periscope Capital Inc. 0.26% No change 125,000 $1.3M
Context Capital Management, LLC 0.34% No change 100,000 $1.0M
Mint Tower Capital Management B.V. 0.32% No change 100,000 $1.0M
Whitebox Advisors LLC 0.06% No change 100,000 $1.0M
Moore Capital Management, LP 0.02% No change 100,000 $1.0M
D. E. Shaw & Co. 0.00% No change 100,000 $1.0M
Susquehanna International Group, LLP 0.00% New 98,436 $997K
BNP Paribas Financial Markets 0.00% No change 96,123 $974K
Picton Mahoney Asset Management 0.01% No change 84,996 $861K
CSS LLC 0.14% No change 82,253 $833K
Jain Global LLC 0.01% New 75,000 $760K
Jane Street Group, LLC 0.00% New 74,386 $754K
K2 Principal Fund, L.P. 0.25% No change 65,000 $658K
Parallax Volatility Advisers, L.P. 0.02% New 45,522 $461K
Wolverine Asset Management LLC 0.03% No change 45,000 $456K
JPMorgan Chase & Co. 0.00% Reduce -55.7% 29,905 $303K
FNY Investment Advisers, LLC 0.08% No change 27,000 $273K
Schonfeld Strategic Advisors LLC 0.00% New 15,000 $152K
Virtu Financial LLC 0.01% Add +21.7% 12,722 $129K
Geode Capital Management, LLC 0.00% No change 12,458 $126K
UBS Group AG 0.00% Add +2923.4% 3,870 $39K
HGC Investment Management Inc. 0.01% Reduce -84.6% 3,852 $39K
Morgan Stanley 0.00% New 47 $476

"% of holder's portfolio" is MCGA's weight in each manager's 13F, not the share of Yorkville Acquisition Corp. Class A the manager owns.