Who owns Boost Run Inc., 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.
Sean Goodrich: 10.3% · 5,136,121 shares — Goodrich ILMJS LLC: 10.3% · 5,136,121 shares
TOMS Capital Investment Management LP: 9.8% · 3,125,000 shares
6 more 5% stakes behind a free account
See every investor who has disclosed crossing 5% of Boost Run Inc..
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 Boost Run Inc. they hold. Together these 78 managers report 1593010300.00% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| TOMS Capital Investment Management LP | $121M | 3,125,000 | 2.59% | 312500000.00% | June 30, 2026 |
| FMR LLC | $69.2M | 1,782,250 | 0.00% | 178225000.00% | June 30, 2026 |
76 more institutional holders behind a free account
See every manager reporting Boost Run Inc., 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 1 funds hold 15019000.00% 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 |
|---|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | $5.83M | 0.01% | 15019000.00% | June 30, 2026 |
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