Yorkville AcquisitionMCGAU

13F holders, Q4 2025 (December 31)
10holders −7
2new positions
9sold out
1famous investor
$10.26avg. 13F price*

At the end of Q4 2025, 10 institutions reported holding Yorkville Acquisition Corp. (MCGAU) in their 13F filings, down 7 from Q3 2025. 2 opened new positions and 9 sold out. The largest holders were Massar Capital Management, LP ($1.3M), Clear Street Group Inc. ($941K) and JPMorgan Chase & Co. ($411K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Yorkville Acquisition Corp.
CUSIP
G98659108
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q2 2025: 65Q2 2025Q3 2025: 17Q3 2025Q4 2025: 10Q4 2025Q1 2026: 8Q1 2026Q2 2026: 7Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$112K
Exits9$5.5M

All 13F filers, Q3 2025 → Q4 2025: 16,129 shares bought and 503,441 shares sold, net −487,312 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 10 holders

Massar Capital Management, LP 0.26% No change 130,000 $1.3M
Clear Street Group Inc. 0.00% Reduce -3.4% 91,763 $941K
JPMorgan Chase & Co. 0.00% No change 40,000 $411K
Morgan Stanley 0.00% Reduce -20.4% 20,000 $205K
Schonfeld Strategic Advisors LLC 0.00% Reduce -6.7% 16,934 $174K
Robinson Capital Management, LLC 0.07% Add +52.0% 15,200 $156K
Citadel Advisors 0.00% New 10,636 $109K
Rangeley Capital, LLC 0.09% No change 10,000 $103K
Yakira Capital Management, Inc. 0.03% No change 10,000 $103K
UBS Group AG 0.00% New 293 $3K

"% of holder's portfolio" is MCGAU's weight in each manager's 13F, not the share of Yorkville Acquisition Corp. the manager owns.