# YORKVILLE ACQUISITION CORP. (MCGA)

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

- Reporting holders: 52
- Reported value: $167.5M
- Held through calls: 2.0%
- 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 |
|---|---|---|---|---|
| [MIZUHO SECURITIES USA LLC](https://holderbook.com/funds/812291-mizuho-securities-usa-llc/) | $29.0M | 2,857,678 | 0.3% | 4 |
| [BERKLEY W R CORP](https://holderbook.com/funds/11544-berkley-w-r-corp/) | $16.8M | 1,645,570 | 0.8% | 4 |
| [Murchinson Ltd.](https://holderbook.com/funds/1838556-murchinson-ltd/) | $10.2M | 1,000,400 | 1.4% | 4 |
| [Davidson Kempner Capital Management LP](https://holderbook.com/funds/1595082-davidson-kempner-capital-management-lp/) | $8.7M | 850,000 | 0.1% | 4 |
| [Crossingbridge Advisors, LLC](https://holderbook.com/funds/1770024-crossingbridge-advisors-llc/) | $8.7M | 850,000 | 1.5% | 2 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $7.7M | 750,000 | 0.0% | 4 |
| [Meteora Capital, LLC](https://holderbook.com/funds/1905106-meteora-capital-llc/) | $7.2M | 704,353 | 0.6% | 4 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $6.5M | 637,610 | 0.1% | 4 |
| [DLD Asset Management, LP](https://holderbook.com/funds/1578299-dld-asset-management-lp/) | $6.3M | 613,910 | 0.4% | 4 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $5.6M | 550,000 | 0.3% | 2 |
| [RLH Capital LLC](https://holderbook.com/funds/2008031-rlh-capital-llc/) | $4.5M | 442,231 | 2.2% | 2 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $3.5M | 338,625 | 0.2% | 4 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $3.3M | 78,746 | 0.0% | 3 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $3.2M | 316,500 | 0.0% | 4 |
| [First Trust Capital Management L.P.](https://holderbook.com/funds/1604488-first-trust-capital-management-l-p/) | $3.2M | 312,330 | 0.2% | 4 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $3.0M | 295,494 | 0.0% | 4 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $3.0M | 294,690 | 0.2% | 4 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $2.7M | 264,692 | 0.0% | 4 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $2.7M | 263,158 | 0.1% | 4 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $2.6M | 177,408 | 0.0% | 3 |
| [Quarry LP](https://holderbook.com/funds/1965207-quarry-lp/) | $2.6M | 252,105 | 0.2% | 2 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $2.1M | 207,208 | 0.0% | 4 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $2.0M | 200,000 | 0.0% | 4 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $2.0M | 200,000 | 0.0% | 4 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $2.0M | 197,121 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 52 | $167.5M |
| Q1 2026 | 52 | $152.6M |
| Q4 2025 | 49 | $144.1M |
| Q3 2025 | 56 | $130.3M |