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Blue Acquisition Corp/Cayman

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Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

Blue Acquisition Corp/Cayman

CIK 0002059654BACCBACCRBACCU· quarter ending 2026-06-30
Shares outstanding
27,962,163
as of 2026-08-11 · 10-Q cover page, filed 2026-08-11
Held by 13F filers
16,221,257
selection includes debt or preferreds — no % of shares outstanding
Holders
47
+0 vs 2026-03-31 · 11 new, 11 exited
Value
$12.2M
shares -3.1% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-11, as of 2026-08-11)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common Class ABACC · NASDAQ20,892,25017,535,02483.9%42G1331A108
Common Class Bnot listed7,069,913——

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
G1331A108ORD SHS CL A4217,535,02420,892,25083.9%$185.9M—13DGholders →
G1331A116RIGHT 06/11/2030not common4716,221,257——$12.2M—prefixholders →
G1331A124UNIT 06/02/2030not common7487,066——$5.5M—13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (47 of 47 · G1331A116)

change vs 2026-03-31
#FilerShares / principal% of classValueChange
1LMR Partners LLP1,784,020—$1.4M+1,034,020 (+137.9%)
2Linden Advisors LP1,425,000—$1.1M—
3Harraden Circle Investments, LLC1,319,739—$1.0MNEW
4TENOR CAPITAL MANAGEMENT Co., L.P.1,200,000—$936K—
5Magnetar Financial LLC1,185,000—$924K—
6CANTOR FITZGERALD, L. P.742,238—$579KNEW
7MILLENNIUM MANAGEMENT LLC741,000—$578K+100,000 (+15.6%)
8Alberta Investment Management Corp700,000—$546K—
9HIGHBRIDGE CAPITAL MANAGEMENT LLC540,740—$227K—
10AQR Arbitrage LLC537,284—$376K+3,044 (+0.6%)
11Verition Fund Management LLC503,000—$392K-432,709 (-46.2%)
12Bulldog Investors, LLP474,177—$370K-1,506 (-0.3%)
13Centiva Capital, LP450,000—$351KNEW
14RIVERNORTH CAPITAL MANAGEMENT, LLC446,469—$188K—
15MOORE CAPITAL MANAGEMENT, LP400,000—$312K—
16Polar Asset Management Partners Inc.300,000—$234K—
17Periscope Capital Inc.275,000—$215K-125,000 (-31.3%)
18MMCAP International Inc. SPC250,000—$195K—
19CITADEL ADVISORS LLC250,000—$195K—
20RLH Capital LLC211,200—$165KNEW
21Mint Tower Capital Management B.V.200,000—$156K—
22Shaolin Capital Management LLC190,800—$149K-84,200 (-30.6%)
23WHITEBOX ADVISORS LLC175,000—$137K—
24BNP PARIBAS FINANCIAL MARKETS167,839—$131K—
25READYSTATE ASSET MANAGEMENT LP154,650—$121K—
26O'Connor Alternative Investments LLC150,000—$118K-50,000 (-25.0%)
27HGC Investment Management Inc.150,000—$117K—
28K2 PRINCIPAL FUND, L.P.130,168—$102K-232,100 (-64.1%)
29JPMORGAN CHASE & CO100,000—$42K—
30MYDA Advisors LLC100,000—$78K—
31Context Capital Management, LLC100,000—$78K—
32Walleye Capital LLC100,000—$78K—
33TORONTO DOMINION BANK100,000—$78K-968,824 (-90.6%)
34DLD Asset Management, LP87,998—$69K—
35Quarry LP86,200—$67KNEW
36BOOTHBAY FUND MANAGEMENT, LLC81,250—$63K-680 (-0.8%)
37Parallax Volatility Advisers, L.P.75,000—$59K-203,610 (-73.1%)
38Clear Street Group Inc.74,906—$58K-110,500 (-59.6%)
39Schonfeld Strategic Advisors LLC50,000—$39K-280,000 (-84.8%)
40Kepos Capital LP47,100—$37K—
41Lineage Point Capital LP41,501—$32KNEW
42Decagon Asset Management LLP33,666—$26KNEW
43HRT FINANCIAL LP26,118—$20KNEW
44PRELUDE CAPITAL MANAGEMENT, LLC25,000—$20K-20,000 (-44.4%)
45Virtu Financial LLC20,176—$16KNEW
46StoneX Group Inc.14,600—$5KNEW
47UBS Group AG4,418—$3KNEW
Exited since 2026-03-31 (11 filers; largest 11 shown)
METEORA CAPITAL, LLC−525,737
Radcliffe Capital Management, L.P.−371,399
Hudson Bay Capital Management LP−351,200
ARISTEIA CAPITAL, L.L.C.−200,000
Governors Lane LP−158,545
GLAZER CAPITAL, LLC−150,000
BERKLEY W R CORP−131,851
PICTON MAHONEY ASSET MANAGEMENT−100,000
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS−52,126
T3 Companies, LLC−35,991
FNY Investment Advisers, LLC−20,000

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
MAGNETAR CAPITAL PARTNERS LPSCHEDULE 13G/A2026-09-042026-06-3000%
DAVID J. SNYDERMANSCHEDULE 13G/A2026-09-042026-06-3000%
SUPERNOVA MANAGEMENT LLCSCHEDULE 13G/A2026-09-042026-06-3000%
MAGNETAR FINANCIAL LLCSCHEDULE 13G/A2026-09-042026-06-3000%
Tenor Opportunity Master Fund, Ltd.SCHEDULE 13G/A2026-08-142026-06-301,747,3898.4%
Frederick V. Fortmiller, Jr.SCHEDULE 13G2026-08-142026-06-301,064,7235.1%
Harraden Circle Investments, LLCSCHEDULE 13G2026-08-142026-06-301,064,7235.1%
Tenor Capital Management Company, L.P.SCHEDULE 13G/A2026-08-142026-06-301,747,3898.4%
Robin ShahSCHEDULE 13G/A2026-08-142026-06-301,747,3898.4%
Blue Holdings Management LLCSCHEDULE 13D/A2026-06-182026-06-167,160,91325.61%
Blue Holdings Sponsor LLCSCHEDULE 13D/A2026-06-182026-06-167,160,91325.61%
David BauerSCHEDULE 13D/A2026-06-182026-06-167,160,91325.61%
LMR Partners LLPSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
LMR Partners LLCSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
Ben LevineSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
LMR PARTNERS LtdSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
LMR Partners (Ireland) LimitedSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
LMR PARTNERS (DIFC) LtdSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
LMR Partners AGSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
Stefan RenoldSCHEDULE 13G/A2026-05-152026-03-311,915,4559.2%
SONA ASSET MANAGEMENT (UK) LLPSCHEDULE 13G/A2026-03-062026-02-283,342,35916%
Sona Asset Management LimitedSCHEDULE 13G/A2026-03-062026-02-283,342,35916%
SONA ASSET MANAGEMENT (US) LLCSCHEDULE 13G/A2026-03-062026-02-283,342,35916%
Sona Asset Management Cayman LimitedSCHEDULE 13G/A2026-03-062026-02-283,342,35916%
John AylwardSCHEDULE 13G/A2026-03-062026-02-283,342,35916%
The Merger FundSCHEDULE 13G/A2026-02-132025-12-31333,4571.6%
Virtus Investment Advisers, LLCSCHEDULE 13G/A2026-02-132025-12-31346,4371.66%
Westchester Capital Management, LLCSCHEDULE 13G/A2026-02-132025-12-31369,5851.77%
Westchester Capital Partners, LLCSCHEDULE 13G/A2026-02-132025-12-311,1570.01%
Barclays PLCSCHEDULE 13G/A2026-02-112025-12-3195,3820.45%
Ketan SethSCHEDULE 13D2025-06-232025-06-167,160,91325.61%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.