Yorkville Acquisition Corp. Class AMCGA

13F holders, Q2 2026 (June 30)
54holders +2
5new positions
2sold out
3famous investors
$10.04avg. 13F price*

At the end of Q2 2026, 54 institutions reported holding Yorkville Acquisition Corp. Class A (MCGA) in their 13F filings, up 2 from Q1 2026. 5 opened new positions and 2 sold out. The largest holders were Berkley W R Corp. ($16.8M), Mizuho Securities USA LLC ($15.9M) and Murchinson Ltd. ($10.2M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors'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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions5$3.1M
Exits2$127K

All 13F filers, Q1 2026 → Q2 2026: 823,434 shares bought and 383,039 shares sold, net +440,395 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 54 holders

Berkley W R Corp. 0.83% No change 1,645,570 $16.8M
Mizuho Securities USA LLC 0.26% Add +21.1% 1,565,425 $15.9M
Murchinson Ltd. 5.03% No change 1,000,400 $10.2M
Crossingbridge Advisors, LLC 1.63% No change 850,000 $8.7M
Davidson Kempner Capital Management LP 0.21% No change 850,000 $8.7M
D. E. Shaw & Co. 0.01% No change 750,000 $7.7M
Meteora Capital, LLC 0.61% Reduce -11.3% 704,353 $7.2M
Boothbay Fund Management, LLC 0.13% No change 637,610 $6.5M
DLD Asset Management, LP 1.71% Reduce -4.3% 613,910 $6.3M
Westchester Capital Management, LLC 0.28% No change 550,000 $5.6M
RLH Capital LLC 2.17% No change 442,231 $4.5M
Shaolin Capital Management LLC 0.39% Reduce -15.3% 338,625 $3.5M
Millennium Management 0.00% No change 316,500 $3.2M
First Trust Capital Management L.P. 0.19% No change 312,330 $3.2M
AQR Arbitrage LLC 0.05% Add +0.9% 295,494 $3.0M
Radcliffe Capital Management, L.P. 0.31% No change 294,690 $3.0M
SkyView Investment Advisors, LLC 2.28% New 282,968 $2.9M
Polar Asset Management Partners Inc. 0.07% Add +10.4% 264,692 $2.7M
Glazer Capital, LLC 0.07% Add +5.1% 263,158 $2.7M
Quarry LP 0.42% No change 252,105 $2.6M
LMR Partners LLP 0.02% No change 207,208 $2.1M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.14% No change 200,000 $2.0M
Linden Advisors LP 0.09% No change 200,000 $2.0M
Toronto Dominion Bank 0.00% Reduce -39.4% 197,121 $2.0M
Magnetar Financial LLC 0.02% No change 195,000 $2.0M
Jane Street Group, LLC 0.00% Add +818.3% 177,408 $1.8M
Hudson Bay Capital Management LP 0.01% No change 150,000 $1.5M
HRT Financial LP 0.00% Add +3.5% 147,371 $1.5M
Periscope Capital Inc. 0.21% No change 125,000 $1.3M
Susquehanna International Group, LLP 0.00% Add +5.0% 112,455 $1.1M
BNP Paribas Financial Markets 0.00% No change 108,459 $1.1M
Lineage Point Capital LP 0.21% No change 100,100 $1.0M
Mint Tower Capital Management B.V. 0.25% No change 100,000 $1.0M
Context Capital Management, LLC 0.21% No change 100,000 $1.0M
Whitebox Advisors LLC 0.05% No change 100,000 $1.0M
Moore Capital Management, LP 0.02% No change 100,000 $1.0M
Picton Mahoney Asset Management 0.01% No change 84,996 $868K
CSS LLC 0.11% No change 82,253 $840K
Jain Global LLC 0.01% No change 75,000 $766K
Brevan Howard Capital Management LP 0.01% No change 60,000 $613K
Citadel Advisors 0.00% Add +165.1% 39,373 $402K
Virtu Financial LLC 0.01% Reduce -6.9% 37,259 $380K
JPMorgan Chase & Co. 0.00% Reduce -0.1% 29,920 $305K
Schonfeld Strategic Advisors LLC 0.00% Add +100.7% 29,898 $305K
K2 Principal Fund, L.P. 0.05% No change 18,075 $185K
Robinson Capital Management, LLC 0.07% New 15,200 $155K
Clear Street Group Inc. 0.00% Reduce -11.0% 263,316 $138K
Wolverine Asset Management LLC 0.00% Reduce -81.5% 6,460 $66K
HGC Investment Management Inc. 0.01% No change 3,852 $39K
Rangeley Capital, LLC 0.02% New 2,016 $21K
Group One Trading LLC 0.00% New 1,500 $15K
UBS Group AG 0.00% Reduce -71.1% 221 $2K
Simplex Trading, LLC 0.00% New 92 $939
Morgan Stanley 0.00% Reduce -19.5% 62 $633

"% 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.