# YORKVILLE ACQUISITION CORP. (MCGAU)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MCGAU/

- Reporting holders: 7
- Reported value: $5.2M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $2.8M | 269,756 | 0.0% | 4 |
| [Massar Capital Management, LP](https://holderbook.com/funds/2037238-massar-capital-management-lp/) | $1.3M | 130,000 | 0.1% | 5 |
| [JPMORGAN CHASE & CO](https://holderbook.com/funds/19617-jpmorgan-chase-co/) | $412.4K | 40,000 | 0.0% | 5 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $258.0K | 25,000 | 0.0% | 5 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $206.2K | 20,000 | 0.0% | 5 |
| [Schonfeld Strategic Advisors LLC](https://holderbook.com/funds/1665241-schonfeld-strategic-advisors-llc/) | $156.1K | 15,144 | 0.0% | 5 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $3.2K | 314 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 7 | $5.2M |
| Q1 2026 | 8 | $4.8M |
| Q4 2025 | 11 | $3.8M |
| Q3 2025 | 16 | $9.7M |
| Q2 2025 | 65 | $134.7M |