Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (MCGA) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2025 to Q4 2025

Type / Class
Equity / Class A Ordinary Shares, $0.0001 par value
Symbol
MCGA on Nasdaq
Shares outstanding
17,920,707
Price per share
$10.13
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
14,399,713
Total reported value
$143,535,077
% of total 13F portfolios
0%
Share change
+2,345,816
Value change
+$21,926,121
Number of holders
47
Price from insider filings
$10.13
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (MCGA) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Yorkville Acquisition Sponsor LLC 26% 6,101,825 Yorkville Acquisition Sponsor LLC 26 Jun 2025
Anson Funds Management LP 9.9% +20% $17,972,140 +$3,059,260 1,774,150 +21% Anson Funds Management LP 31 Dec 2025
Harraden Circle Investments, LLC 9% $17,188,184 1,612,400 Harraden Circle Investments, LLC 30 Sep 2025
Decagon Asset Management LLP 5.8% $10,767,286 1,035,316 Decagon Asset Management LLP 30 Sep 2025

As of 31 Dec 2025, 47 institutional investors reported holding 14,399,713 shares of Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (MCGA). This represents 80% of the company’s total 17,920,707 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (MCGA) together control 73% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Anson Funds Management LP 9.9% 1,774,150 +21% 2.5% $17,972,140
Harraden Circle Investments, LLC 8.1% 1,443,900 -10% 2.7% $14,626,707
Decagon Asset Management LLP 6.8% 1,215,386 +17% 5.2% $12,311,861
Murchinson Ltd. 5.6% 1,000,400 0% 6.3% $10,134,052
Davidson Kempner Capital Management LP 4.7% 850,000 +95% 0.19% $8,610,500
METEORA CAPITAL, LLC 4.5% 803,822 +394% 0.68% $8,142,717
BOOTHBAY FUND MANAGEMENT, LLC 3.6% 637,610 -25% 0.17% $6,458,989
DLD Asset Management, LP 3.4% 613,276 +22% 0.65% $6,212,486
MIZUHO SECURITIES USA LLC 3% 538,541 +917% 0.09% $5,445,941
Clear Street Group Inc. 2.6% 469,539 +135% 0.01% $2,432,355
BERKLEY W R CORP 2.1% 383,347 +378% 0.22% $3,883,305
BCK CAPITAL MANAGEMENT LP 2.1% 379,000 +288% 21% $3,839,270
AQR Arbitrage LLC 1.7% 303,867 0% 0.06% $3,078,173
Radcliffe Capital Management, L.P. 1.6% 294,690 -1% 0.16% $2,985,210
MILLENNIUM MANAGEMENT LLC 1.5% 277,462 +180% 0% $2,810,690
First Trust Capital Management L.P. 1.5% 262,030 0% 0.16% $2,654,364
Shaolin Capital Management LLC 1.4% 250,000 +400% 0.1% $2,532,500
Polar Asset Management Partners Inc. 1.3% 239,692 0% 0.05% $2,428,080
LMR Partners LLP 1.2% 207,208 0% 0.02% $2,099,017
Linden Advisors LP 1.1% 200,000 0% 0.01% $2,026,000
TENOR CAPITAL MANAGEMENT Co., L.P. 1.1% 200,000 0% 0.03% $2,026,000
Magnetar Financial LLC 1.1% 195,000 0% 0.02% $1,975,350
Glazer Capital, LLC 1% 183,189 +30% 0.05% $1,856,000
Hudson Bay Capital Management LP 0.84% 150,000 0% 0.01% $1,519,500
HRT FINANCIAL LP 0.8% 143,756 -1.1% 0% $1,456,000

Institutional Holders of Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (MCGA) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 14,399,713 $143,535,077 +$21,926,121 $10.13 47
2025 Q3 12,133,048 $129,325,386 +$126,174,045 $10.66 55