Who owns Yorkville Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MCGAU from SEC Form 13F filings across 7 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 7 institutions disclosed 500,214 shares of Yorkville Acquisition Corp. worth $5.2M — about 2.8% of shares outstanding; the largest disclosed holder is Clear Street Group Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
7
13F holders
$5.2M
value, 2026 filers
2.8%
of shares outstanding (500,214 sh)
0
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MCGAU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Clear Street Group Inc. | 269,756 | $2.8M | 0.0% | 1.5% | +21.7% |
| 2 | Massar Capital Management, LP | 130,000 | $1.3M | 0.1% | 0.7% | 0.0% |
| 3 | JPMORGAN CHASE & CO | 40,000 | $412,400 | 0.0% | 0.2% | 0.0% |
| 4 | GLAZER CAPITAL, LLC | 25,000 | $258,000 | 0.0% | 0.1% | 0.0% |
| 5 | MORGAN STANLEY | 20,000 | $206,200 | 0.0% | 0.1% | 0.0% |
| 6 | Schonfeld Strategic Advisors LLC | 15,144 | $156,134 | 0.0% | 0.1% | 0.0% |
| 7 | UBS Group AG | 314 | $3,237 | 0.0% | 0% | +230.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.