Who owns United Acquisition Corp. I?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of UAC from SEC Form 13F filings across 25 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, 25 institutions disclosed 7.2M shares of United Acquisition Corp. I worth $71.5M — about 52% of shares outstanding; the largest disclosed holder is MMCAP International Inc. SPC. Source: SEC Form 13F filings, parsed by EvidInvest.
25
13F holders
$71.5M
value, 2026 filers
52%
of shares outstanding (7.2M sh)
6
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 UAC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MMCAP International Inc. SPCNEW | 1.1M | $10.4M | 0.9% | 7.6% | new |
| 2 | Harraden Circle Investments, LLC | 1.0M | $10.4M | 1.3% | 7.5% | 0.0% |
| 3 | Magnetar Financial LLC | 1.0M | $9.9M | 0.1% | 7.2% | 0.0% |
| 4 | BERKLEY W R CORP | 422,792 | $4.2M | 0.2% | 3.1% | 0.0% |
| 5 | SONA ASSET MANAGEMENT (US) LLC | 414,655 | $4.1M | 0.1% | 3% | 0.0% |
| 6 | MILLENNIUM MANAGEMENT LLCNEW | 412,500 | $4.1M | 0.0% | 3% | new |
| 7 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 399,388 | $4.0M | 0.2% | 2.9% | -0.2% |
| 8 | GLAZER CAPITAL, LLC | 353,563 | $3.5M | 0.1% | 2.6% | +8.2% |
| 9 | ARISTEIA CAPITAL, L.L.C. | 291,992 | $2.9M | 0.0% | 2.1% | 0.0% |
| 10 | WHITEBOX ADVISORS LLC | 260,000 | $2.6M | 0.0% | 1.9% | 0.0% |
| 11 | Radcliffe Capital Management, L.P. | 228,058 | $2.3M | 0.2% | 1.6% | +5.7% |
| 12 | Shaolin Capital Management LLC | 200,000 | $2.0M | 0.1% | 1.4% | -20.0% |
| 13 | TWO SIGMA INVESTMENTS, LP | 181,250 | $1.8M | 0.0% | 1.3% | 0.0% |
| 14 | MOORE CAPITAL MANAGEMENT, LP | 175,000 | $1.7M | 0.0% | 1.3% | 0.0% |
| 15 | HIGHBRIDGE CAPITAL MANAGEMENT LLCNEW | 136,532 | $1.4M | 0.0% | 1% | new |
| 16 | MIZUHO SECURITIES USA LLC | 107,179 | $1.0M | 0.0% | 0.8% | 0.0% |
| 17 | DLD Asset Management, LP | 100,000 | $993,500 | 0.1% | 0.7% | 0.0% |
| 18 | PICTON MAHONEY ASSET MANAGEMENTNEW | 99,996 | $993,461 | 0.0% | 0.7% | new |
| 19 | BNP PARIBAS FINANCIAL MARKETSNEW | 92,944 | $923,399 | 0.0% | 0.7% | new |
| 20 | WOLVERINE ASSET MANAGEMENT LLC | 58,677 | $582,956 | 0.0% | 0.4% | +37.1% |
| 21 | Clear Street Group Inc. | 51,800 | $514,633 | 0.0% | 0.4% | -49.5% |
| 22 | AQR Arbitrage LLCNEW | 46,496 | $461,938 | 0.0% | 0.3% | new |
| 23 | ABC ARBITRAGE SA | 40,000 | $397,400 | 0.0% | 0.3% | 0.0% |
| 24 | Schonfeld Strategic Advisors LLC | 15,000 | $149,025 | 0.0% | 0.1% | 0.0% |
| 25 | TrueMark Investments, LLC | 14,388 | $142,945 | 0.0% | 0.1% | -4.1% |
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 · options positioning · supply chain. Research, not investment advice.