Security Snapshot

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

CUSIP: G1331A108

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

13

Shares (Excl. Options)

2.96MFull value: 2,962,342 · shares · 30 Sep 2026

Price

$10.50

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+299,835
Value change
+$3,130,124
Number of holders
13
Security identity Names, identifiers, and filing context for this profile. 1 source field
Underlying class
Class A Ordinary Shares
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
20,882,846
SEC-reported price per share
$10.43
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • BACC - Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G1331A108.
  • 13 institutions reported positions in Q3 2026.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 42 to 13 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $185.86MFull value: $185,859,947 · USD · 30 Jun 2026
    to
    $31.09MFull value: $31,087,680 · USD · 30 Sep 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 13 institutions filings for Q3 2026.

Open SEC evidence

Security key

G1331A108

13F reference period

Q3 2026

13F holders

13

13D/G owners

7

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
7
Security
BACC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Seth Ketan 26% 7,160,913 Blue Holdings Sponsor LLC 16 Jun 2025
Blue Holdings Sponsor LLC 26% $74,401,886 7,160,913 Blue Holdings Sponsor LLC 16 Jun 2026
LMR Partners LLP 9.2% +26% $19,556,796 +$3,731,296 1,915,455 +24% LMR Partners LLP 31 Mar 2026
TD SECURITIES (USA) LLC 5.2% $11,326,020 1,085,908 TD SECURITIES (USA) LLC 30 Sep 2026
Harraden Circle Investments, LLC 5.1% $11,775,836 1,064,723 Harraden Circle Investments, LLC 30 Jun 2026
Westchester Capital Management, LLC 1.8% -74% $3,777,159 -$11,022,709 369,585 -74% Westchester Capital Management, LLC 31 Dec 2025
BARCLAYS PLC 0.45% -92% $974,804 -$15,708,620 95,382 -94% Barclays PLC 31 Dec 2025
As of 30 Sep 2026, 13 institutional investors reported holding
2.96MFull value: 2,962,342 · shares · 30 Sep 2026
shares of Blue Acquisition Corp/Cayman - Class A Ordinary Shares, par value $0.0001 per share (BACC). This represents 14% of the company’s total
20.88MFull value: 20,882,846 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 16 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
14%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 3.8% 800,000 0% 0.08% $8,392,000
Alberta Investment Management Corp 3.4% 700,000 0% 0.04% $7,343,000
DLD Asset Management, LP 2.1% 437,196 +127% 0.42% $4,590,558
MMCAP International Inc. SPC 1.2% 250,000 0% 0.17% $2,625,000
RLH Capital LLC 0.86% 180,608 -33% 0.69% $1,896,384
Alta Fundamental Advisers LLC 0.72% 150,000 0.7% $1,575,000
Calamos Advisors LLC 0.59% 123,189 0% $1,292,253
Context Capital Management, LLC 0.48% 100,000 0% 0.02% $1,050,000
PICTON MAHONEY ASSET MANAGEMENT 0.44% 92,587 0% 0.01% $972,164
MYDA Advisors LLC 0.35% 74,000 0% 0.14% $777,000
Kepos Capital LP 0.11% 22,900 0% 0.3% $240,450
GEODE CAPITAL MANAGEMENT, LLC 0.08% 16,861 0% $176,871
FNY Investment Advisers, LLC 0.07% 15,001 0.04% $157,000
MORGAN STANLEY 0% 0 -100% $0
Crossingbridge Advisors, LLC 0% 0 -100% $0
Verition Fund Management LLC 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q3 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 2,962,342 $31,087,680 +$3,130,124 $10.50 13
2026 Q2 17,535,024 $185,859,947 -$14,589,967 $10.60 42
2026 Q1 18,978,509 $193,757,895 -$161,319 $10.21 49
2025 Q4 18,603,302 $189,939,258 +$20,047,887 $10.21 53
2025 Q3 16,217,009 $162,088,531 +$156,798,907 $10.00 44
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