Yorkville Acquisition Corp. (MCGA) ownership: Top institutional holder: Harraden Circle Investments, LLC ($14.63B). Insider activity: Net Seller (0 buys, 2 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Harraden Circle Investments, LLC | 1443900.00 | $14.63B | 2025-12-31 |
| Decagon Asset Management LLP | 1215386.00 | $12.31B | 2025-12-31 |
| METEORA CAPITAL, LLC | 793938.00 | $8.03B | 2026-03-31 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 200000.00 | $2.02B | 2026-03-31 |
| Context Capital Management, LLC | 100000.00 | $1.01B | 2026-03-31 |
| BERKLEY W R CORP | 1645570.00 | $16.64M | 2026-03-31 |
| MIZUHO SECURITIES USA LLC | 1292253.00 | $13.05M | 2026-03-31 |
| Murchinson Ltd. | 1000400.00 | $10.11M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-04 | |
| Sell | null | 2026-05-04 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.