Blue Water Acquisition C-ABLUW

13F holders, Q1 2026 (March 31)
58holders −2
2new positions
4sold out
2famous investors
$10.28avg. 13F price*

At the end of Q1 2026, 58 institutions reported holding Blue Water Acquisition C-A (BLUW) in their 13F filings, down 2 from Q4 2025. 2 opened new positions and 4 sold out. The largest holders were Anson Funds Management LP ($25.5M), Harraden Circle Investments, LLC ($16.7M) and Magnetar Financial LLC ($15.4M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Blue Water Acquisition C-A
Filed as
BLUE WTR ACQUISITION CORP. I (Q1 2026)
CUSIP
G1368E106
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q3 2025: 54Q3 2025Q4 2025: 60Q4 2025Q1 2026: 58Q1 2026Q2 2026: 60Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions2$1.6M
Exits4$3.7M

All 13F filers, Q4 2025 → Q1 2026: 1,289,387 shares bought and 816,769 shares sold, net +472,618 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 58 holders

Anson Funds Management LP 3.40% No change 2,485,000 $25.5M
Harraden Circle Investments, LLC 3.69% Reduce -5.8% 1,622,600 $16.7M
Magnetar Financial LLC 0.17% No change 1,500,000 $15.4M
D. E. Shaw & Co. 0.01% No change 1,252,350 $12.9M
AQR Arbitrage LLC 0.23% Reduce -3.5% 1,113,004 $11.5M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.69% No change 1,000,000 $10.3M
Linden Advisors LP 0.54% No change 900,000 $9.3M
Verition Fund Management LLC 0.08% Add +16.5% 799,831 $8.2M
LMR Partners LLP 0.10% No change 800,000 $8.2M
Two Sigma Investments, LP 0.01% No change 797,500 $8.2M
Glazer Capital, LLC 0.17% Reduce -1.3% 740,000 $7.6M
Berkley W R Corp. 0.40% No change 731,506 $7.5M
Millennium Management 0.00% Add +11.7% 570,300 $5.9M
Westchester Capital Management, LLC 0.28% Add +182.8% 565,552 $5.8M
Radcliffe Capital Management, L.P. 0.55% No change 475,000 $4.9M
Rivernorth Capital Management, LLC 0.23% No change 451,223 $4.6M
Moore Capital Management, LP 0.18% No change 450,000 $4.6M
OMERS ADMINISTRATION Corp 0.03% No change 418,056 $4.3M
Meteora Capital, LLC 0.32% Add +64.3% 417,031 $4.3M
Picton Mahoney Asset Management 0.04% No change 400,000 $4.1M
Hudson Bay Capital Management LP 0.03% No change 399,324 $4.1M
BNP Paribas Financial Markets 0.00% Add +12.8% 391,254 $4.0M
J. Goldman & Co LP 0.17% No change 364,753 $3.7M
Aristeia Capital, L.L.C. 0.14% No change 350,000 $3.6M
Polar Asset Management Partners Inc. 0.12% No change 350,000 $3.6M
Mizuho Securities USA LLC 0.07% Add +73.8% 304,608 $3.1M
MYDA Advisors LLC 0.73% No change 300,000 $3.1M
Periscope Capital Inc. 0.50% Reduce -12.6% 267,664 $2.7M
Toronto Dominion Bank 0.01% Add +905.3% 261,720 $2.7M
Karpus Management, Inc. 0.08% Reduce -0.0% 259,770 $2.7M
O'Connor Alternative Investments LLC 0.15% — 250,000 $2.6M
Whitebox Advisors LLC 0.14% No change 250,000 $2.6M
First Trust Capital Management L.P. 0.14% No change 249,998 $2.6M
DLD Asset Management, LP 0.71% No change 229,977 $2.4M
Wolverine Asset Management LLC 0.12% Reduce -7.3% 218,025 $2.2M
Centiva Capital, LP 0.10% No change 205,000 $2.1M
Ghisallo Capital Management LLC 0.06% No change 200,000 $2.1M
Mint Tower Capital Management B.V. 0.45% No change 200,000 $2.1M
MMCAP International Inc. SPC 0.18% No change 200,000 $2.1M
Jain Global LLC 0.02% Reduce -17.9% 162,980 $1.7M
Shaolin Capital Management LLC 0.18% Reduce -46.7% 160,000 $1.6M
683 Capital Management, LLC 0.15% No change 150,000 $1.5M
Lineage Point Capital LP 0.28% No change 109,531 $1.1M
L1 Global Manager Pty Ltd 0.83% No change 100,000 $1.0M
K2 Principal Fund, L.P. 0.31% No change 100,000 $1.0M
Sona Asset Management (us) LLC 0.05% New 78,209 $804K
Kepos Capital LP 1.29% New 75,000 $770K
Cantor Fitzgerald, L. P. 0.02% No change 64,900 $668K
Geode Capital Management, LLC 0.00% No change 61,427 $632K
Schonfeld Strategic Advisors LLC 0.00% Add +51.7% 55,000 $565K
Context Capital Management, LLC 0.14% No change 50,000 $514K
Deltec Asset Management LLC 0.09% No change 50,000 $513K
Virtu Financial LLC 0.02% Reduce -7.3% 38,897 $400K
PenderFund Capital Management Ltd. 0.11% No change 22,500 $232K
Boothbay Fund Management, LLC 0.01% No change 21,775 $224K
UBS Group AG 0.00% Add +5608.0% 6,450 $66K
Clear Street Group Inc. 0.00% Reduce -93.7% 4,989 $51K
Morgan Stanley 0.00% Reduce -2.9% 67 $687

"% of holder's portfolio" is BLUW's weight in each manager's 13F, not the share of Blue Water Acquisition C-A the manager owns.