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Blue Water Acquisition Corp. III

BLUW
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002050501

No open-market purchases or sales by Blue Water Acquisition Corp. III insiders were filed in the last 90 days; 60 institutions reported holding it in 13F filings for Q2 2026, worth $255.9M in total; no superinvestor holds it.

Other share classesBLUWUBLUWW

13F holders, Q4 2025

Institutional positions in Blue Water Acquisition Corp. III as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
60
+7 vs. Q3 2025
Shares held
23.6M
+2.47M (+11.7%) vs. Q3 2025
Total value
$243.3M
+$33.2M (+15.8%) vs. Q3 2025
New holders
13
7 more added
Sold out
6
18 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BLUW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 60 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 54 institutionsQ4 2025: 60 institutionsQ1 2026: 58 institutionsQ2 2026: 60 institutions
Value heldQ4 2025: $243.3M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $211.2MQ4 2025: $243.3MQ1 2026: $247.2MQ2 2026: $255.9M
Institutions holding BLUW and their total value by quarter
QuarterHoldersValue
Q2 202660$255.9M
Q1 202658$247.2M
Q4 202560$243.3M
Q3 202554$211.2M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Blue Water Acquisition Corp. III; share changes are against Q3 2025.

Institutions holding BLUW in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Anson Funds Management LP2,485,000$25.6M3.56%+2,485,000New
Harraden Circle Investments, LLC1,722,800$17.8M3.26%+1,722,800New
Magnetar Financial LLC1,500,000$15.5M0.15%00.0%Unchanged
D. E. Shaw & Co., Inc.1,252,350$12.9M0.01%00.0%Unchanged
CNH Partners LLC1,153,104$11.9M0.25%00.0%Unchanged
Tenor Capital Management Co., L.P.1,000,000$10.3M0.15%00.0%Unchanged
Linden Advisors LP900,000$9.29M0.06%00.0%Unchanged
LMR Partners LLP800,000$8.26M0.08%+800,000New
Two Sigma Investments, LP797,500$8.23M0.01%00.0%Unchanged
Glazer Capital, LLC750,000$7.74M0.20%−328,363−30.5%Reduced
Berkley W R Corp731,506$7.55M0.42%−198,364−21.3%Reduced
Verition Fund Management LLC686,653$7.09M0.04%+162,493+31.0%Added
Millennium Management LLC510,484$5.27M0.00%−262,316−33.9%Reduced
Radcliffe Capital Management, L.P.475,000$4.90M0.27%00.0%Unchanged
Rivernorth Capital Management, LLC451,223$4.66M0.22%+59,020+15.0%Added
Moore Capital Management, LP450,000$4.64M0.09%00.0%Unchanged
Omers Administration Corp418,056$4.31M0.03%+418,056New
Picton Mahoney Asset Management400,000$4.13M0.05%−100,000−20.0%Reduced
Hudson Bay Capital Management LP399,324$4.12M0.02%−250,676−38.6%Reduced
J. Goldman & Co LP364,753$3.76M0.15%+364,753New
Aristeia Capital LLC350,000$3.61M0.10%00.0%Unchanged
Polar Asset Management Partners Inc.350,000$3.61M0.07%00.0%Unchanged
BNP Paribas Arbitrage, SA346,894$3.58M0.00%00.0%Unchanged
Periscope Capital Inc.306,200$3.16M0.61%−43,600−12.5%Reduced
Shaolin Capital Management LLC300,000$3.10M0.12%−247,806−45.2%Reduced
MYDA Advisors LLC300,000$3.10M0.87%+300,000New
Karpus Management, Inc.259,820$2.68M0.08%+161,650+164.7%Added
Meteora Capital, LLC253,839$2.62M0.22%+253,839New
UBS Oconnor LLC250,000$2.58M0.07%00.0%Unchanged
Whitebox Advisors LLC250,000$2.58M0.04%00.0%Unchanged
Vivaldi Asset Management, LLC249,998$2.58M0.16%00.0%Unchanged
Wolverine Asset Management LLC235,129$2.43M0.03%−295,264−55.7%Reduced
DLD Asset Management, LP229,977$2.37M0.25%+39,977+21.0%Added
Centiva Capital, LP205,000$2.12M0.13%+5,000+2.5%Added
Westchester Capital Management, LLC200,000$2.06M0.10%−275,000−57.9%Reduced
MMCAP International Inc. SPC200,000$2.06M0.21%00.0%Unchanged
Mint Tower Capital Management B.V.200,000$2.06M0.26%00.0%Unchanged
Ghisallo Capital Management LLC200,000$2.06M0.09%00.0%Unchanged
Jain Global LLC198,400$2.05M0.02%−1,600−0.8%Reduced
Mangrove Partners189,260$1.95M0.16%+40,935+27.6%Added
Mizuho Securities USA LLC175,300$1.77M0.03%−93,276−34.7%Reduced
Marshall Wace, LLP150,000$1.55M0.00%00.0%Unchanged
683 Capital Management, LLC150,000$1.55M0.13%00.0%Unchanged
Lineage Point Capital LP109,531$1.13M0.43%+109,531New
K2 Principal Fund, L.P.100,000$1.03M0.11%00.0%Unchanged
L1 Global Manager Pty Ltd100,000$1.03M0.68%+100,000New
Clear Street Group Inc.79,027$815.6K0.00%−499,125−86.3%Reduced
Cantor Fitzgerald, L. P.64,900$669.8K0.02%+64,900New
Geode Capital Management, LLC61,427$633.9K0.00%+40,463+193.0%Added
Context Capital Management, LLC50,000$516.0K0.01%00.0%Unchanged
Deltec Asset Management LLC50,000$516.0K0.09%00.0%Unchanged
Virtu Financial LLC41,965$433.0K0.02%−416,050−90.8%Reduced
Schonfeld Strategic Advisors LLC36,252$374.1K0.00%−3,748−9.4%Reduced
Toronto Dominion Bank26,033$268.7K0.00%−404,866−94.0%Reduced
PenderFund Capital Management Ltd.22,500$232.2K0.04%+22,500New
Boothbay Fund Management, LLC21,775$224.7K0.01%−90,000−80.5%Reduced
Susquehanna International Group, LLP17,625$181.9K0.00%+17,625New
Royal Bank of Canada1,366$14.0K0.00%−27,958−95.3%Reduced
UBS Group AG113$1.17K0.00%−87−43.5%Reduced
Morgan Stanley69$7120.00%+69New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−400,000−100.0%Sold out
Wealthspring Capital LLC0$00.00%−373,092−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−225,000−100.0%Sold out
Crossingbridge Advisors, LLC0$00.00%−98,041−100.0%Sold out
Bulldog Investors, LLP0$00.00%−41,519−100.0%Sold out
Warberg Asset Management LLC0$00.00%−20,000−100.0%Sold out
Atw Spac Management LLC––––Not filed