Security key
G98659124
Yorkville Acquisition Corp. - Common Shares (MCGAW)
CUSIP: G98659124
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Shares
- Total 13F shares
- 2,561,060
- Total 13F value
- $1,215,802
- Share change
- -320,102
- SEC-reported price per share
- $0.34
- Number of holders
- 31
- Value change
- -$110,114
- Number of buys
- 2
- Number of sells
- 6
- Shares outstanding
- 17,947,958
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
31
Top holders
10
MCGAW full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q3 2025
Yorkville Acquisition Corp. SEC filings
Yorkville Acquisition Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G98659124
Recent filing periods:
Ownership snapshot
Top reported holders of MCGAW - 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
|
26%
|
—
6,101,825 shares
|
$0 | 26 Jun 2025 |
| BERKLEY W R CORP |
13D/G
13F
W.R. Berkley Corporation · Company
|
9.2%
|
$16,702,536
1,645,570 shares
|
$0 | 31 Mar 2026 |
| MIZUHO FINANCIAL GROUP INC |
13D/G
|
7.2%
|
$491,056
1,292,253 shares
|
$0 | 31 Mar 2026 |
| METEORA CAPITAL, LLC |
13D/G
13F
Company
|
6%
|
$11,800,052
1,074,686 shares
|
$0 | 30 Jun 2025 |
| Decagon Asset Management LLP |
13F
13D/G
Company
|
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
|
0.51%
|
$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
31
Shares
2,561,060
Rows available
31
| 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 Q3 2025 Across Filers
Q3 2025 holders
34
Q1 2026 holders
31
Holder diff
-3
| Investor | Q3 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q3 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend