Ribbon Acquisition Corp. - RIBB

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BERKLEY W R CORP History No change 462,604 4,801 0.23% 0.27% 1 0 0.0% Q4 2025 Feb 13, 2026
WOLVERINE ASSET MANAGEMENT LLC History Reduced 438,855 4,555 0.04% 0.03% 2 -5,330 -1.2% Q4 2025 Feb 02, 2026
Polar Asset Management Partners Inc. History New 400,000 4,152 0.05% 3 +400,000 New Q4 2025 Feb 17, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History No change 400,000 4,152 0.2% 0.23% 4 0 0.0% Q4 2025 Feb 17, 2026
Westchester Capital Management, LLC History New 284,734 2,958 0.12% 5 +284,734 New Q4 2025 Feb 13, 2026
Hudson Bay Capital Management LP History No change 250,000 2,597 0.01% 0.01% 6 0 0.0% Q4 2025 Feb 13, 2026
Karpus Management, Inc. History Reduced 218,287 2,265 0.07% 0.07% 7 -7,000 -3.11% Q4 2025 Feb 17, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 200,000 2,078 0.75% 0.58% 8 0 0.0% Q4 2025 Feb 17, 2026
AQR Arbitrage LLC History No change 186,895 1,941 0.04% 0.05% 9 0 0.0% Q4 2025 Feb 17, 2026
MANGROVE PARTNERS IM, LLC History Reduced 174,866 1,815 0.15% 0.15% 10 -28,134 -13.86% Q4 2025 Feb 17, 2026
GLAZER CAPITAL, LLC History Reduced 150,095 1,558 0.04% 0.07% 12 -39,800 -20.96% Q4 2025 Feb 13, 2026
D. E. Shaw & Co., Inc. History No change 150,000 1,558 0.0% 0.0% 11 0 0.0% Q4 2025 Feb 17, 2026
GABELLI & Co INVESTMENT ADVISERS, INC. History No change 139,200 1,444 0.22% 0.23% 13 0 0.0% Q4 2025 Feb 05, 2026
WHITEBOX ADVISORS LLC History No change 125,000 1,297 0.02% 0.02% 14 0 0.0% Q4 2025 Feb 17, 2026
GABELLI FUNDS LLC History New 105,800 1,098 0.01% 15 +105,800 New Q4 2025 Feb 05, 2026
TORONTO DOMINION BANK History Reduced 88,326 916 0.0% 0.0% 16 -56,674 -39.09% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History No change 60,105 623 0.0% 0.0% 17 0 0.0% Q4 2025 Mar 25, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 54,705 567 0.0% 0.0% 18 -106,877 -66.14% Q4 2025 Feb 17, 2026
Clear Street Group Inc. History Added to 40,064 415 0.0% 0.0% 20 +28,198 237.64% Q4 2025 Feb 13, 2026
Centiva Capital, LP History No change 40,000 415 0.0% 0.0% 19 0 0.0% Q4 2025 Feb 13, 2026
Dakota Wealth Management History No change 29,333 304 0.01% 0.01% 21 0 0.0% Q4 2025 Jan 13, 2026
Warberg Asset Management LLC History No change 17,800 184 0.02% 0.03% 22 0 0.0% Q4 2025 Feb 13, 2026
MIZUHO SECURITIES USA LLC History Reduced 12,398 128 0.0% 0.12% 23 -569,602 -97.87% Q4 2025 Feb 09, 2026
UBS Group AG History Reduced 479 5 0.0% 0.0% 24 -5,108 -91.43% Q4 2025 Jan 29, 2026
HGC Investment Management Inc. History Closed out 0 0 0.62% -250,000 -100.0% Q3 2025 Nov 14, 2025
MORGAN STANLEY History Added to 35 0 +4 12.9% Q4 2025 Feb 13, 2026