23 institutions reported holding $108.5M of BOOST RUN INC (BRUNW) in SEC 13F filings for 2026-06-30. Largest institutional holders: Point72 Asset Management, L.P. ($26.5M), Walleye Capital LLC ($14.0M), GROUP ONE TRADING LLC ($11.8M), Magnetar Financial LLC ($9.5M), LMR Partners LLP ($7.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Point72 Asset Management, L.P. | $26.5M | 970,625 | New |
| 2 | Walleye Capital LLC | $14.0M | 514,018 | New |
| 3 | GROUP ONE TRADING LLC | $11.8M | 304,800 | New |
| 4 | Magnetar Financial LLC | $9.5M | 347,148 | New |
| 5 | LMR Partners LLP | $7.5M | 276,758 | New |
| 6 | Harraden Circle Investments, LLC | $7.2M | 265,148 | New |
| 7 | Verition Fund Management LLC | $6.6M | 242,574 | New |
| 8 | MILLENNIUM MANAGEMENT LLC | $5.4M | 200,000 | New |
| 9 | ARISTEIA CAPITAL, L.L.C. | $5.2M | 191,026 | New |
| 10 | IMC-Chicago, LLC | $4.4M | 113,000 | New |
| 11 | SIMPLEX TRADING, LLC | $3.0M | 77,700 | New |
| 12 | Greenland Capital Management LP | $1.8M | 67,379 | New |
| 13 | Hudson Bay Capital Management LP | $1.5M | 55,503 | New |
| 14 | HRT FINANCIAL LP | $1.5M | 37,700 | New |
| 15 | MOORE CAPITAL MANAGEMENT, LP | $1.4M | 50,000 | New |
| 16 | TORNO CAPITAL, LLC | $414,740 | 15,259 | New |
| 17 | Virtu Financial LLC | $384,000 | 14,082 | New |
| 18 | Creek Drive Management Group LLC | $236,466 | 8,700 | New |
| 19 | MORGAN STANLEY | $64,688 | 2,380 | New |
| 20 | UBS Group AG | $8,589 | 316 | New |
| 21 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $6,469 | 238 | New |
| 22 | OSAIC HOLDINGS, INC. | $4,500 | 3 | New |
| 23 | Global Retirement Partners, LLC | $109 | 4 | New |
Source: SEC Form 13F filings · as of 2026-06-30