Who Owns RIBBON ACQUISITION CORP (RIBB)? -- Institutional Holders (2026-03-31)
26 institutions reported holding $29.2M of RIBBON ACQUISITION CORP (RIBB) in SEC 13F filings for 2026-03-31. Largest institutional holders: RIVERNORTH CAPITAL MANAGEMENT, LLC ($4.2M), Westchester Capital Management, LLC ($3.9M), WOLVERINE ASSET MANAGEMENT LLC ($3.2M), BERKLEY W R CORP ($3.1M), Hudson Bay Capital Management LP ($2.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4.2M | 400,000 | Hold |
| 2 | Westchester Capital Management, LLC | $3.9M | 375,734 | Added |
| 3 | WOLVERINE ASSET MANAGEMENT LLC | $3.2M | 300,790 | Trimmed |
| 4 | BERKLEY W R CORP | $3.1M | 297,589 | Trimmed |
| 5 | Hudson Bay Capital Management LP | $2.6M | 250,000 | Hold |
| 6 | Karpus Management, Inc. | $2.3M | 218,287 | Hold |
| 7 | AQR Arbitrage LLC | $1.9M | 185,283 | Trimmed |
| 8 | D. E. Shaw & Co., Inc. | $1.6M | 150,000 | Hold |
| 9 | GABELLI & Co INVESTMENT ADVISERS, INC. | $1.5M | 139,200 | Hold |
| 10 | Shaolin Capital Management LLC | $1.3M | 120,000 | New |
| 11 | GABELLI FUNDS LLC | $1.1M | 105,797 | Trimmed |
| 12 | Clear Street Group Inc. | $666,292 | 63,396 | Added |
| 13 | GOLDMAN SACHS GROUP INC | $631,704 | 60,105 | Hold |
| 14 | Centiva Capital, LP | $420,400 | 40,000 | Hold |
| 15 | Dakota Wealth Management | $308,290 | 29,333 | Hold |
| 16 | Warberg Asset Management LLC | $229,391 | 21,826 | Added |
| 17 | TORONTO DOMINION BANK | $190,683 | 18,143 | Trimmed |
| 18 | UBS Group AG | $15,618 | 1,486 | New |
| 19 | MORGAN STANLEY | $526 | 50 | Added |
| 20 | MANGROVE PARTNERS IM, LLC | $0 | 0 | Exited |
| 21 | HEIGHTS CAPITAL MANAGEMENT, INC | $0 | 0 | Exited |
| 22 | WHITEBOX ADVISORS LLC | $0 | 0 | Exited |
| 23 | GLAZER CAPITAL, LLC | $0 | 0 | Exited |
| 24 | TWO SIGMA INVESTMENTS, LP | $0 | 0 | Exited |
| 25 | MIZUHO SECURITIES USA LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31