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Ownership

Who owns United Acquisition Corp. I, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).

Stakes over 5%

Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.

Harraden Circle Investments, LLC, Frederick V. Fortmiller, Jr. August 14, 2026

Harraden Circle Investments, LLC: 10.0% · 1,044,996 shares — Frederick V. Fortmiller, Jr.: 10.0% · 1,044,996 shares

MAGNETAR FINANCIAL LLC, MAGNETAR CAPITAL PARTNERS LP, SUPERNOVA MANAGEMENT LLC May 13, 2026

MAGNETAR FINANCIAL LLC: 9.6% · 1,000,000 shares — MAGNETAR CAPITAL PARTNERS LP: 9.6% · 1,000,000 shares — SUPERNOVA MANAGEMENT LLC: 9.6% · 1,000,000 shares

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Super investors holding UAC

Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of United Acquisition Corp. I they hold. Together these 36 managers report 248.62% of shares outstanding.

Investor Position value Shares % of their portfolio % of company As of
MMCAP International Inc. SPC $10.4M 1,050,000 0.88% 31.50% June 30, 2026
Harraden Circle Investments, LLC $10.4M 1,044,996 1.32% 31.35% June 30, 2026

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Funds holding UAC

Funds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 3 funds hold 4.93% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.

Fund Position value % of net assets % of company As of
RiverNorth Opportunities Fund Inc. $994K 0.30% 3.00% June 30, 2026
Special Opportunities Fund, Inc. $511K 0.29% 1.50% June 30, 2026

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