14 institutions reported holding $877,649 of MOUNTAIN CREST ACQUISITION 6 (MCAHR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Harraden Circle Investments, LLC ($394,204), WHITEBOX ADVISORS LLC ($76,922), D. E. Shaw & Co., Inc. ($71,279), Linden Advisors LP ($65,000), Hudson Bay Capital Management LP ($62,525). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | $394,204 | 1.5M | New |
| 2 | WHITEBOX ADVISORS LLC | $76,922 | 285,000 | New |
| 3 | D. E. Shaw & Co., Inc. | $71,279 | 285,000 | New |
| 4 | Linden Advisors LP | $65,000 | 250,000 | New |
| 5 | Hudson Bay Capital Management LP | $62,525 | 250,000 | New |
| 6 | WOLVERINE ASSET MANAGEMENT LLC | $50,101 | 185,627 | New |
| 7 | TORONTO DOMINION BANK | $40,500 | 150,000 | New |
| 8 | Clear Street Group Inc. | $24,557 | 90,985 | New |
| 9 | Polar Asset Management Partners Inc. | $24,291 | 90,000 | New |
| 10 | Mint Tower Capital Management B.V. | $23,000 | 85,000 | New |
| 11 | GLAZER CAPITAL, LLC | $17,000 | 67,300 | New |
| 12 | METEORA CAPITAL, LLC | $16,559 | 66,235 | New |
| 13 | Royal Bank of Canada | $8,000 | 29,014 | New |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | $3,711 | 14,273 | New |
Source: SEC Form 13F filings · as of 2026-06-30