19 institutions reported holding $1.0M of Ribbon Acquisition Corp (RIBBR) in SEC 13F filings for 2026-06-30. Largest institutional holders: Harraden Circle Investments, LLC ($222,720), HIGHBRIDGE CAPITAL MANAGEMENT LLC ($121,447), Polar Asset Management Partners Inc. ($104,000), RIVERNORTH CAPITAL MANAGEMENT, LLC ($88,000), Clear Street Group Inc. ($75,085). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | $222,720 | 856,615 | Hold |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $121,447 | 467,103 | Added |
| 3 | Polar Asset Management Partners Inc. | $104,000 | 400,000 | Hold |
| 4 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $88,000 | 400,000 | Hold |
| 5 | Clear Street Group Inc. | $75,085 | 288,790 | Hold |
| 6 | HGC Investment Management Inc. | $65,000 | 250,000 | Hold |
| 7 | Hudson Bay Capital Management LP | $63,959 | 245,998 | Hold |
| 8 | AQR Arbitrage LLC | $48,200 | 185,383 | Added |
| 9 | HEIGHTS CAPITAL MANAGEMENT, INC | $47,204 | 181,555 | Trimmed |
| 10 | GABELLI & Co INVESTMENT ADVISERS, INC. | $46,020 | 177,000 | Hold |
| 11 | WOLVERINE ASSET MANAGEMENT LLC | $44,469 | 171,034 | Trimmed |
| 12 | GABELLI FUNDS LLC | $39,456 | 151,755 | Hold |
| 13 | WHITEBOX ADVISORS LLC | $32,500 | 125,000 | Hold |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | $17,106 | 69,819 | Hold |
| 15 | TORONTO DOMINION BANK | $12,379 | 47,610 | Hold |
| 16 | BNP PARIBAS FINANCIAL MARKETS | $11,420 | 60,105 | Hold |
| 17 | Centiva Capital, LP | $10,400 | 40,000 | Hold |
| 18 | GLAZER CAPITAL, LLC | $0 | 0 | Exited |
| 19 | BERKLEY W R CORP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30