RIBB
Ribbon Acquisition Corp.Company with tickers: RIBB, RIBBR, RIBBU
CIK
2035016
CUSIP
G7552W109
Shares Outstanding
3,543,446
13F Activity (30d)
16 filings
15 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 19
Total Value: $29,186,461
Total Shares: 2,777,019
Institutional Ownership Trend
5 quarters
Holder Concentration
Across 19 13F filers · Δ vs Dec 31, 2025Top Holder
14.4%
+2.9 pts
Top 5
58.5%
+9.2 pts
Top 10
87.8%
+12.9 pts
HHI
912
Broadly held+213
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
4
Decreased
5
Sold Out
7
Unchanged
8
Holder count:
-5
Institutional value:
-30.2%
Shares held:
-31.1%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid Westchester Capital Management, LLC | +91,000 | 375,734 | |
| Large Clear Street Group Inc. | +24,418 | 63,396 | |
| Micro Warberg Asset Management LLC | +4,026 | 21,826 | |
| Mega MORGAN STANLEY | +15 | 50 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid BERKLEY W R CORP | −165,015 | 297,589 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC | −138,065 | 300,790 | |
| Large TORONTO DOMINION BANK | −70,183 | 18,143 | |
| Mid AQR Arbitrage LLC | −1,612 | 185,283 | |
| Large GABELLI FUNDS LLC | −3 | 105,797 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Shaolin Capital Management LLC | 120,000 | $1,261,200 | |
| Mega UBS Group AG | 1,486 | $15,617 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Polar Asset Management Partners Inc. | 400,000 | $4,152,000 | |
| Small HEIGHTS CAPITAL MANAGEMENT, INC | 200,000 | $2,076,000 | |
| Mid MANGROVE PARTNERS IM, LLC | 174,866 | $1,815,109 | |
| Mid GLAZER CAPITAL, LLC | 150,095 | $1,557,986 | |
| Mid WHITEBOX ADVISORS LLC | 125,000 | $1,297,500 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $4,204,000 | 14.40% | 400,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Westchester Capital Management, LLC | $3,948,963 | 13.53% | 375,734 | Shares | Other | 2026-05-15 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $3,161,302 | 10.83% | 300,790 | Shares | Defined | 2026-05-04 | ||||
| Mid BERKLEY W R CORP | $3,127,660 | 10.72% | 297,589 | Shares | Sole | 2026-05-15 | ||||
| Large Hudson Bay Capital Management LP | $2,627,500 | 9.00% | 250,000 | Shares | Sole | 2026-05-13 | ||||
| Mid Karpus Management, Inc. | $2,294,196 | 7.86% | 218,287 | Shares | Sole | 2026-05-14 | ||||
| Mid AQR Arbitrage LLC | $1,947,324 | 6.67% | 185,283 | Shares | Defined | 2026-05-15 | ||||
| Mega D. E. Shaw & Co., Inc. | $1,576,500 | 5.40% | 150,000 | Shares | Defined | 2026-05-15 | ||||
| Small GABELLI & Co INVESTMENT ADVISERS, INC. | $1,462,992 | 5.01% | 139,200 | Shares | Sole | 2026-05-14 | ||||
| Small Shaolin Capital Management LLC | $1,261,200 | 4.32% | 120,000 | Shares | Sole | 2026-05-15 | ||||
| Large GABELLI FUNDS LLC | $1,111,926 | 3.81% | 105,797 | Shares | Sole | 2026-05-14 | ||||
| Large Clear Street Group Inc. | $666,291 | 2.28% | 63,396 | Shares | Sole | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $631,703 | 2.16% | 60,105 | Shares | Defined | 2026-05-15 | ||||
| Large Centiva Capital, LP | $420,400 | 1.44% | 40,000 | Shares | Sole | 2026-05-14 | ||||
| Mid Dakota Wealth Management | $308,289 | 1.06% | 29,333 | Shares | Defined | 2026-05-07 | ||||
| Micro Warberg Asset Management LLC | $229,391 | 0.79% | 21,826 | Shares | Sole | 2026-05-07 | ||||
| Large TORONTO DOMINION BANK Bank | $190,682 | 0.65% | 18,143 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $15,617 | 0.05% | 1,486 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $525 | 0.00% | 50 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||