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

CUSIP G98659116 is the security identifier for MCGA - Yorkville Acquisition Corp. - Common Shares used to aggregate holder disclosures.

How many institutions held MCGA - Yorkville Acquisition Corp. - Common Shares in Q1 2026?

51 institutional investors reported MCGA - Yorkville Acquisition Corp. - Common Shares for Q1 2026. Use the holders table for investor-level position and value details.

Yorkville Acquisition Corp. - Common Shares (MCGA)

CUSIP: G98659116

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Shares
Total 13F shares: 14,942,447
Total 13F value: $151,055,115
Share change: +544,984
Put/Call ratio: 0%
SEC-reported price per share: $10.11
Number of holders: 51
Value change: +$5,412,794
Number of buys: 20
Number of sells: 13
Shares outstanding: 17,788,920

Security key

G98659116

Report period

Q1 2026

Institutions

Top holders

MCGA full security history Ownership snapshot Full 13F holder table Yorkville Acquisition Corp. SEC filings Yorkville Acquisition Corp. company facts

Broader feeds

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

Ownership snapshot

Top reported holders of MCGA - Yorkville Acquisition Corp. - Common Shares (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

BERKLEY W R CORP

Comparable rows

15/15

Latest evidence

31 Mar 2026

13D/G 13F 3/4/5 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.

Open SEC evidence Opens Yorkville Acquisition Sponsor LLC's linked filing trail.

Comparable ownership Top 5

Yorkville Acquisition Sponsor LLC 26%

BERKLEY W R CORP 9.2%

MIZUHO FINANCIAL GROUP INC 7.2%

METEORA CAPITAL, LLC 6%

Decagon Asset Management LLP 5.8%

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	13D/G 13D/G	26%	— 6,101,825 shares	$0	26 Jun 2025
BERKLEY W R CORP	13D/G 13F W.R. Berkley Corporation · Company 13D/G 13F	9.2%	$16,702,536 1,645,570 shares	$0	31 Mar 2026
MIZUHO FINANCIAL GROUP INC	13D/G 13D/G	7.2%	$491,056 1,292,253 shares	$0	31 Mar 2026
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	$12,398,043 1,387,746 shares mixed-class rows	—	31 Dec 2025
Troy Rillo	3/4/5 Chief Financial Officer 3/4/5	0.52%	$91,770 91,770 shares	+$91,770	25 Aug 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 Q1 2026

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

Institutions

14,942,447

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 Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Holder diff

Investor	Q1 2026 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q1 2026 value	Value change	Value Chg %