Who owns Blue Water Acquisition Corp. III?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BLUWW from SEC Form 13F filings across 42 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 42 institutions disclosed 11.4M shares of Blue Water Acquisition Corp. III worth $17.4M — about 45.3% of shares outstanding; the largest disclosed holder is Harraden Circle Investments, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
42
13F holders
$17.4M
value, 2026 filers
45.3%
of shares outstanding (11.4M sh)
2
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BLUWW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Harraden Circle Investments, LLC | 2.2M | $904,978 | 0.1% | 8.7% | +9.5% |
| 2 | Anson Funds Management LP | 1.3M | $13.0M | 0.8% | 5% | 0.0% |
| 3 | Magnetar Financial LLC | 737,000 | $304,455 | 0.0% | 2.9% | 0.0% |
| 4 | Verition Fund Management LLC | 713,440 | $299,645 | 0.0% | 2.8% | +0.1% |
| 5 | AQR Arbitrage LLC | 579,332 | $220,146 | 0.0% | 2.3% | +0.1% |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | 500,000 | $190,000 | 0.0% | 2% | 0.0% |
| 7 | LMR Partners LLP | 500,000 | $190,000 | 0.0% | 2% | 0.0% |
| 8 | Linden Advisors LP | 450,000 | $185,895 | 0.0% | 1.8% | 0.0% |
| 9 | Meteora Capital, LLC | 370,129 | $135,578 | 0.0% | 1.5% | 0.0% |
| 10 | Alberta Investment Management CorpNEW | 300,000 | $114,000 | 0.0% | 1.2% | new |
| 11 | GLAZER CAPITAL, LLC | 274,762 | $114,000 | 0.0% | 1.1% | 0.0% |
| 12 | Shaolin Capital Management LLC | 230,310 | $87,518 | 0.0% | 0.9% | +2.4% |
| 13 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 225,611 | $67,661 | 0.0% | 0.9% | 0.0% |
| 14 | MOORE CAPITAL MANAGEMENT, LP | 225,000 | $85,500 | 0.0% | 0.9% | 0.0% |
| 15 | OMERS ADMINISTRATION Corp | 209,028 | $86,349 | 0.0% | 0.8% | 0.0% |
| 16 | MYDA Advisors LLC | 199,500 | $75,810 | 0.0% | 0.8% | 0.0% |
| 17 | Radcliffe Capital Management, L.P. | 196,799 | $81,298 | 0.0% | 0.8% | 0.0% |
| 18 | Wealthspring Capital LLC | 183,206 | $67,108 | 0.0% | 0.7% | -0.5% |
| 19 | Polar Asset Management Partners Inc. | 179,400 | $68,172 | 0.0% | 0.7% | +2.5% |
| 20 | ARISTEIA CAPITAL, L.L.C. | 174,999 | $72,292 | 0.0% | 0.7% | 0.0% |
| 21 | BNP PARIBAS FINANCIAL MARKETS | 173,447 | $71,651 | 0.0% | 0.7% | 0.0% |
| 22 | Westchester Capital Management, LLC | 148,958 | $54,563 | 0.0% | 0.6% | -25.1% |
| 23 | Clear Street Group Inc. | 137,894 | $52,400 | 0.0% | 0.5% | -3.4% |
| 24 | PICTON MAHONEY ASSET MANAGEMENT | 125,000 | $47,500 | 0.0% | 0.5% | 0.0% |
| 25 | WHITEBOX ADVISORS LLC | 125,000 | $47,500 | 0.0% | 0.5% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.