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

Q: What does CUSIP G98659116 represent in this 13F holders report?

CUSIP G98659116 is the security identifier for MCGA - Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value used to aggregate holder disclosures.

Q: How many institutions held MCGA - Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value in Q4 2025?

48 institutional investors reported MCGA - Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G98659116

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Class A Ordinary Shares, $0.0001 par value
Total 13F shares: 14,412,435
Total 13F value: $143,664,077
Share change: +2,348,087
Put/Call ratio: 254%
SEC-reported price per share: $10.13
Number of holders: 48
Value change: +$21,949,149
Number of buys: 20
Number of sells: 17
Shares outstanding: 17,886,630

Security key

G98659116

Report period

Q4 2025

Institutions

Top holders

MCGA full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Yorkville Acquisition Corp. SEC filings Yorkville Acquisition Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G98659116

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of MCGA - Yorkville Acquisition Corp. - Class A Ordinary Shares, $0.0001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Yorkville Acquisition Spo...

Disclosed value leader

Harraden Circle Investmen...

Comparable rows

15/15

Latest evidence

30 Sep 2025

3/4/5 13D/G 13F Lead comparable stake: 26% 13D/G row: Yorkville Acquisition Sponsor LLC Showing 1-6 of 15 holder rows.

Quick read

Yorkville Acquisition Sponsor LLC leads the comparable SEC ownership view at 26%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Comparable ownership Top 5

Yorkville Acquisition Sponsor LLC 26%

Harraden Circle Investments, LLC 7.4%

METEORA CAPITAL, LLC 6%

Decagon Asset Management LLP 5.8%

Troy Rillo 0.51%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Yorkville Acquisition Sponsor LLC	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	26% from 13D/G	— 351,825 shares	—	30 Jun 2025
Harraden Circle Investments, LLC	13F 13D/G Company 13F 13D/G	7.4% from 13D/G	$17,813,426 2,133,435 shares mixed-class rows	—	30 Sep 2025
METEORA CAPITAL, LLC	13D/G 13F Company 13D/G 13F	6%	$11,800,052 1,074,686 shares	$0	30 Jun 2025
Decagon Asset Management LLP	13F 13D/G Company 13F 13D/G	5.8% from 13D/G	$11,218,018 1,186,607 shares mixed-class rows	—	30 Sep 2025
Troy Rillo	3/4/5 Chief Financial Officer 3/4/5	0.51%	$91,770 91,770 shares	+$91,770	25 Aug 2025
Murchinson Ltd.	13F Company 13F	5.6%	$10,664,264 1,000,400 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

14,412,435

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

-7

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend