Who owns KPET Ultra Paceline Corp, 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).
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.
Adage Capital Management, L.P.: 7.8% · 1,800,000 shares — Robert Atchinson: 7.8% · 1,800,000 shares — Phillip Gross: 7.8% · 1,800,000 shares
KPET Ultra Paceline LLC: 19.4% · 5,630,000 shares — KPThree Capital LLC: 20.2% · 5,865,000 shares — Karl Peterson: 20.2% · 5,865,000 shares
2 more 5% stakes behind a free account
See every investor who has disclosed crossing 5% of KPET Ultra Paceline Corp.
Sign up freeEvery 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 KPET Ultra Paceline Corp they hold. Together these 49 managers report 459.54% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| Empyrean Capital Partners, LP | $18M | 1,800,000 | 0.59% | 36.00% | March 31, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $18M | 1,800,000 | 0.03% | 36.00% | June 30, 2026 |
47 more institutional holders behind a free account
See every manager reporting KPET Ultra Paceline Corp, how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 2 funds hold 1.14% 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 |
|---|---|---|---|---|
| Saba Capital Income & Opportunities Fund | $401K | 0.10% | 0.80% | April 30, 2026 |
| Saba Capital Income & Opportunities Fund II | $171K | 0.07% | 0.34% | April 30, 2026 |
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