19 institutions reported holding $35.4M of MOUNTAIN CREST ACQUISITION 6 (MCAH) in SEC 13F filings for 2026-06-30. Largest institutional holders: HIGHBRIDGE CAPITAL MANAGEMENT LLC ($5.7M), MIZUHO SECURITIES USA LLC ($4.6M), D. E. Shaw & Co., Inc. ($2.8M), WHITEBOX ADVISORS LLC ($2.8M), Linden Advisors LP ($2.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $5.7M | 570,000 | New |
| 2 | MIZUHO SECURITIES USA LLC | $4.6M | 468,506 | New |
| 3 | D. E. Shaw & Co., Inc. | $2.8M | 285,000 | New |
| 4 | WHITEBOX ADVISORS LLC | $2.8M | 285,000 | New |
| 5 | Linden Advisors LP | $2.5M | 250,000 | New |
| 6 | Hudson Bay Capital Management LP | $2.5M | 250,000 | New |
| 7 | BERKLEY W R CORP | $2.5M | 248,540 | New |
| 8 | StoneX Group Inc. | $2.0M | 205,100 | New |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | $1.9M | 190,827 | New |
| 10 | Karpus Management, Inc. | $1.7M | 167,500 | New |
| 11 | TWO SIGMA INVESTMENTS, LP | $1.1M | 108,749 | New |
| 12 | Shaolin Capital Management LLC | $946,368 | 95,400 | New |
| 13 | GLAZER CAPITAL, LLC | $925,000 | 93,236 | New |
| 14 | Polar Asset Management Partners Inc. | $892,800 | 90,000 | New |
| 15 | Mint Tower Capital Management B.V. | $843,000 | 85,000 | New |
| 16 | Clear Street Group Inc. | $752,650 | 75,872 | New |
| 17 | METEORA CAPITAL, LLC | $657,051 | 66,235 | New |
| 18 | Virtu Financial LLC | $178,000 | 17,964 | New |
| 19 | BOOTHBAY FUND MANAGEMENT, LLC | $141,588 | 14,273 | New |
Source: SEC Form 13F filings · as of 2026-06-30