Ribbon Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share (RIBBU)

Q: What does CUSIP G7552W125 represent in this 13F holders report?

CUSIP G7552W125 is the security identifier for RIBBU - Ribbon Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held RIBBU - Ribbon Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share in Q1 2026?

2 institutional investors reported RIBBU - Ribbon Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G7552W125

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares, par value $0.0001 per share
Total 13F shares: 1,565
Total 13F value: $17,799
Share change: 0
SEC-reported price per share: $11.12
Number of holders: 2
Shares outstanding: 4,761,905

Security key

G7552W125

Report period

Q1 2026

Institutions

Top holders

RIBBU full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Ribbon Acquisition Corp. SEC filings Ribbon Acquisition Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G7552W125

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of RIBBU - Ribbon Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BERKLEY W R CORP

Disclosed value leader

BERKLEY W R CORP

Comparable rows

15/15

Latest evidence

31 Mar 2026

13F 13D/G Lead comparable stake: 7.9% 13D/G row: BERKLEY W R CORP Showing 1-6 of 15 holder rows.

Quick read

BERKLEY W R CORP leads the comparable SEC ownership view at 7.9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BERKLEY W R CORP's linked filing trail.

Comparable ownership Top 5

BERKLEY W R CORP 7.9%

Westchester Capital Management, LLC 7.8%

RIVERNORTH CAPITAL MANAGEMENT, LLC 7.7%

WOLVERINE ASSET MANAGEMENT LLC 6.4%

Feis Equities LLC 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BERKLEY W R CORP	13F 13D/G Company · W. R. Berkley Corporation 13F 13D/G	7.9% from 13D/G	$4,807,907 498,328 shares mixed-class rows	—	31 Dec 2025
Westchester Capital Management, LLC	13D/G 13F Company 13D/G 13F	7.8%	$3,892,093 372,417 shares	$0	31 Mar 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC	13D/G 13F Company 13D/G 13F	7.7%	$4,304,000 400,000 shares	$0	31 Dec 2025
WOLVERINE ASSET MANAGEMENT LLC	13F 13D/G Company 13F 13D/G	6.4% from 13D/G	$4,592,981 610,064 shares mixed-class rows	—	31 Dec 2025
Feis Equities LLC	13D/G 13D/G	5.3%	$2,790,804 266,293 shares	$0	11 Feb 2026
Hudson Bay Capital Management LP	13F 13D/G Company 13F 13D/G	5.2% from 13D/G	$2,652,500 500,000 shares mixed-class rows	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,565

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend