Blue Water Acquisition C-ABLUW

13F holders, Q4 2025 (December 31)
60holders +6
11new positions
6sold out
2famous investors
$10.32avg. 13F price*

At the end of Q4 2025, 60 institutions reported holding Blue Water Acquisition C-A (BLUW) in their 13F filings, up 6 from Q3 2025. 11 opened new positions and 6 sold out. The largest holders were Anson Funds Management LP ($25.6M), Harraden Circle Investments, LLC ($17.8M) and Magnetar Financial LLC ($15.5M). 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 (Q4 2025)
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 Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions11$66.6M
Exits6$11.5M

All 13F filers, Q3 2025 → Q4 2025: 6,959,080 shares bought and 4,695,751 shares sold, net +2,263,329 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 60 holders

Anson Funds Management LP 3.62% New 2,485,000 $25.6M
Harraden Circle Investments, LLC 3.65% New 1,722,800 $17.8M
Magnetar Financial LLC 0.16% No change 1,500,000 $15.5M
D. E. Shaw & Co. 0.01% No change 1,252,350 $12.9M
AQR Arbitrage LLC 0.32% No change 1,153,104 $11.9M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.87% No change 1,000,000 $10.3M
Linden Advisors LP 0.70% No change 900,000 $9.3M
LMR Partners LLP 0.11% New 800,000 $8.3M
Two Sigma Investments, LP 0.01% No change 797,500 $8.2M
Glazer Capital, LLC 0.23% Reduce -30.4% 750,000 $7.7M
Berkley W R Corp. 0.43% Reduce -21.3% 731,506 $7.5M
Verition Fund Management LLC 0.04% Add +31.0% 686,653 $7.1M
Millennium Management 0.00% Reduce -33.9% 510,484 $5.3M
Radcliffe Capital Management, L.P. 0.69% No change 475,000 $4.9M
Rivernorth Capital Management, LLC 0.22% Add +15.1% 451,223 $4.7M
Moore Capital Management, LP 0.10% No change 450,000 $4.6M
OMERS ADMINISTRATION Corp 0.03% New 418,056 $4.3M
Picton Mahoney Asset Management 0.05% Reduce -20.0% 400,000 $4.1M
Hudson Bay Capital Management LP 0.03% Reduce -38.6% 399,324 $4.1M
J. Goldman & Co LP 0.15% New 364,753 $3.8M
Aristeia Capital, L.L.C. 0.18% No change 350,000 $3.6M
Polar Asset Management Partners Inc. 0.09% No change 350,000 $3.6M
BNP Paribas Financial Markets 0.00% No change 346,894 $3.6M
Periscope Capital Inc. 0.64% Reduce -12.5% 306,200 $3.2M
MYDA Advisors LLC 0.87% New 300,000 $3.1M
Shaolin Capital Management LLC 0.41% Reduce -45.2% 300,000 $3.1M
Karpus Management, Inc. 0.08% Add +164.7% 259,820 $2.7M
Meteora Capital, LLC 0.23% New 253,839 $2.6M
Whitebox Advisors LLC 0.16% No change 250,000 $2.6M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.07% No change 250,000 $2.6M
First Trust Capital Management L.P. 0.16% No change 249,998 $2.6M
Wolverine Asset Management LLC 0.14% Reduce -55.7% 235,129 $2.4M
DLD Asset Management, LP 0.82% Add +21.0% 229,977 $2.4M
Centiva Capital, LP 0.13% Add +2.5% 205,000 $2.1M
Mint Tower Capital Management B.V. 0.65% No change 200,000 $2.1M
MMCAP International Inc. SPC 0.21% No change 200,000 $2.1M
Westchester Capital Management, LLC 0.10% Reduce -57.9% 200,000 $2.1M
Ghisallo Capital Management LLC 0.09% No change 200,000 $2.1M
Jain Global LLC 0.02% Reduce -0.8% 198,400 $2.0M
Mangrove Partners Im, LLC 0.16% Add +27.6% 189,260 $2.0M
Mizuho Securities USA LLC 0.03% Reduce -34.7% 175,300 $1.8M
683 Capital Management, LLC 0.14% No change 150,000 $1.5M
Marshall Wace, LLP 0.00% No change 150,000 $1.5M
Lineage Point Capital LP 0.43% — 109,531 $1.1M
L1 Global Manager Pty Ltd 0.68% — 100,000 $1.0M
K2 Principal Fund, L.P. 0.39% No change 100,000 $1.0M
Clear Street Group Inc. 0.00% Reduce -86.3% 79,027 $816K
Cantor Fitzgerald, L. P. 0.02% New 64,900 $670K
Geode Capital Management, LLC 0.00% Add +193.0% 61,427 $634K
Context Capital Management, LLC 0.17% No change 50,000 $516K
Deltec Asset Management LLC 0.09% No change 50,000 $516K
Virtu Financial LLC 0.02% Reduce -90.8% 41,965 $433K
Schonfeld Strategic Advisors LLC 0.00% Reduce -9.4% 36,252 $374K
Toronto Dominion Bank 0.00% Reduce -94.0% 26,033 $269K
PenderFund Capital Management Ltd. 0.09% New 22,500 $232K
Boothbay Fund Management, LLC 0.01% Reduce -80.5% 21,775 $225K
Susquehanna International Group, LLP 0.00% New 17,625 $182K
Royal Bank of Canada 0.00% Reduce -95.3% 1,366 $14K
UBS Group AG 0.00% Reduce -43.5% 113 $1K
Morgan Stanley 0.00% New 69 $712

"% 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.