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

CUSIP: G7552W125

Q4 2025 13F Holders as of 31 Dec 2025

Security identity
Security type / class
Equity / Class A Ordinary Shares, par value $0.0001 per share
Shares outstanding
4,761,905
Holder snapshot
Total 13F shares
1,565
Share change
-98,949
Total reported value
$16,401
Reported price per share
$10.48
Number of holders
2
Value change
-$1,028,986
Number of buys
1
Number of sells
2

Security key

G7552W125

Report period

Q4 2025

Institutions

2

Top holders

2

RIBBU full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Ribbon Acquisition Corp. SEC filings Ribbon Acquisition Corp. company facts

Broader feeds

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

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.

Lead holder
Polar Asset Management Pa...
13D/G signal
Polar Asset Management Pa...
Evidence rows
15
Latest as of
31 Dec 2025
13F 13D/G 3/4/5 Lead comparable stake: 7.7% 13D/G row: Polar Asset Management Partners Inc. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
Polar Asset Management Partners Inc.
13F 13D/G
Company
13F 13D/G
7.7%
from 13D/G
$4,184,000
800,000 shares
mixed-class rows
 — 30 Sep 2025
RIVERNORTH CAPITAL MANAGEMENT, LLC
13D/G 13F
Company
13D/G 13F
7.7%
$4,304,000
400,000 shares
 $0 31 Dec 2025
BERKLEY W R CORP
13F 13D/G
Company · W. R. Berkley Corporation
13F 13D/G
6.8%
from 13D/G
$4,744,210
498,328 shares
mixed-class rows
 — 30 Sep 2025
WOLVERINE ASSET MANAGEMENT LLC
13F 13D/G
Company
13F 13D/G
6.4%
from 13D/G
$4,588,869
627,894 shares
mixed-class rows
 — 30 Sep 2025
MIZUHO FINANCIAL GROUP INC
13D/G
13D/G
0.2%
—
12,398 shares
 $0 31 Dec 2025
MIZUHO SECURITIES USA LLC
13F
Company
13F
15%
$5,860,740
582,000 shares
 — 30 Sep 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 Q4 2025

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

Institutions
2
Shares
1,565
Rows available
2
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* 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 failed the local validity check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
3
Q4 2025 holders
2
Holder diff
-1
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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