Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 (BACC)

Q: What does CUSIP G1331A108 represent in this 13F holders report?

CUSIP G1331A108 is the security identifier for BACC - Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 used to aggregate holder disclosures.

Q: How many institutions held BACC - Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 in Q4 2025?

53 institutional investors reported BACC - Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G1331A108

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Class A Ordinary Shares, par value $0.0001
Total 13F shares: 18,603,302
Total 13F value: $189,939,258
Share change: +1,937,380
SEC-reported price per share: $10.21
Number of holders: 53
Value change: +$20,047,887
Number of buys: 21
Number of sells: 23
Shares outstanding: 27,961,394

Security key

G1331A108

Report period

Q4 2025

Institutions

Top holders

BACC full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Blue Acquisition Corp/Cayman SEC filings Blue Acquisition Corp/Cayman company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP G1331A108

Newer quarter: Q1 2026

Recent filing periods:

Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of BACC - Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 (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

Ketan Seth

Disclosed value leader

TENOR CAPITAL MANAGEMENT ...

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F Lead comparable stake: 26% 13D/G row: Ketan Seth Showing 1-6 of 15 holder rows.

Quick read

Ketan Seth leads the comparable SEC ownership view at 26%.

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 Ketan Seth's linked filing trail.

Comparable ownership Top 5

Ketan Seth 26%

TENOR CAPITAL MANAGEMENT Co., L.P. 7.6%

Magnetar Financial LLC 6.6%

Westchester Capital Management, LLC 1.8%

BARCLAYS PLC 0.45%

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
Ketan Seth	13D/G Blue Holdings Sponsor LLC 13D/G	26%	— 7,160,913 shares	$0	16 Jun 2025
TENOR CAPITAL MANAGEMENT Co., L.P.	13D/G 13F Tenor Capital Management Company, L.P. · Company 13D/G 13F	7.6%	$16,183,440 1,596,000 shares	+$4,015,440	30 Sep 2025
Magnetar Financial LLC	13F 13D/G Company 13F 13D/G	6.6% from 13D/G	$12,174,000 2,400,000 shares mixed-class rows	—	30 Sep 2025
Westchester Capital Management, LLC	13F 13D/G Company 13F 13D/G	1.8% from 13D/G	$14,521,750 1,450,000 shares mixed-class rows	—	30 Sep 2025
BARCLAYS PLC	13D/G 13D/G	0.45%	$974,804 95,382 shares	-$15,708,620	31 Dec 2025
LMR Partners LLP	13F Company 13F	3.6%	$7,567,500 750,000 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

18,603,302

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 Q4 2025 vs Q1 2026 Across Filers

Q1 2026 holders

Q4 2025 holders

Holder diff

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

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend