Boost Run Inc.
Ownership
Ownership Structure
Who owns Boost Run Inc. (BRUN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 57.4% of the shares are freely tradable; institutional investors hold 35.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| TOMS Capital Investment Management LP | 4.09 | 3,125,000 | +0.0 | 06/30/2026 |
| FMR Inc | 2.33 | 1,782,250 | +0.0 | 06/30/2026 |
| Citadel Advisors Llc | 1.73 | 1,320,722 | +0.0 | 06/30/2026 |
| D. E. Shaw & Co LP | 1.64 | 1,250,546 | +0.0 | 06/30/2026 |
| UBS Group AG | 1.13 | 860,043 | +0.0 | 06/30/2026 |
| Awm Investment Company Inc | 1.07 | 813,739 | +0.0 | 06/30/2026 |
| Hiddenite Capital Partners LP | 0.98 | 750,000 | +0.0 | 06/30/2026 |
| Capricorn Fund Managers Ltd | 0.98 | 750,000 | +0.0 | 06/30/2026 |
| Wellington Management Company LLP | 0.81 | 619,239 | +0.0 | 06/30/2026 |
| Yorkville Advisors Global, LP | 0.76 | 582,367 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Goodrich Sean | Director | 9,574,042 | 70,847,911 $ | Aug 19, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Goodrich Sean | Director | Sell | 500,000 | 14.00 | 7,000,000 |
| Aug 27, 2026 | Goodrich Sean | Director | Sell | 198,200 | 20.15 | 3,993,730 |
| Aug 19, 2026 | Goodrich Sean | Director | Other | 1,101,986 | 11.50 | 12,672,839 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 11, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.