Who owns RMG ML Sports Holdings, 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.: 8.2% · 1,800,000 shares — Robert Atchinson: 8.2% · 1,800,000 shares — Phillip Gross: 8.2% · 1,800,000 shares
Sculptor Capital LP: 6.4% · 1,400,000 shares — Sculptor Capital II LP: 6.4% · 1,400,000 shares — Sculptor Capital Holding Corp: 6.4% · 1,400,000 shares
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 RMG ML Sports Holdings they hold.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | $18M | 1,800,000 | 0.03% | — | June 30, 2026 |
| Sculptor Capital LP | $14M | 1,400,000 | 0.11% | — | June 30, 2026 |
38 more institutional holders behind a free account
See every manager reporting RMG ML Sports Holdings, 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.
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