Boost Run Inc. (BRUN) Institutional Shareholders
Boost Run Inc. (BRUN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $621.02M in BRUN holdings during the latest filing period.
Toms Capital Investment Management Lp is currently the largest disclosed institutional shareholder of BRUN tracked by InsiderSet, reporting ownership valued at approximately $121.28M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $53.97M, representing an estimated loss of -55.50% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 74% of the total disclosed BRUN value among the investors covered in this analysis. Major shareholders include Toms Capital Investment Management Lp, Fmr Llc, Citadel Advisors Llc, and several other long-term asset managers with concentrated positions in Boost Run Inc. (BRUN).
This page ranks the largest institutional BRUN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
77
Total Reported Value
$621.02M
Largest Holder
Toms Capital Investment Management Lp
Largest Position
$121.28M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
77
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Toms Capital Investment Management Lp | 6.40% | 3,125,000 | $121,281,250 | $53,968,750 | -$67,312,500 | -55.50% | |
| Fmr Llc | 0.00% | 1,782,250 | $69,169,122 | $30,779,458 | -$38,389,665 | -55.50% | |
| Citadel Advisors Llc | 0.03% | 1,320,722 | $51,257,221 | $22,808,869 | -$28,448,352 | -55.50% | |
| D. E. Shaw & Co., Inc. | 0.03% | 1,250,546 | $48,533,690 | $21,596,929 | -$26,936,761 | -55.50% | |
| Ubs Group Ag | 0.01% | 860,043 | $33,378,269 | $14,852,943 | -$18,525,326 | -55.50% | |
| Awm Investment Company, Inc. | 2.74% | 813,739 | $31,581,211 | $14,053,273 | -$17,527,938 | -55.50% | |
| Capricorn Fund Managers Ltd | 2.33% | 750,000 | $29,107,500 | $12,952,500 | -$16,155,000 | -55.50% | |
| Hiddenite Capital Partners Lp | 7.15% | 750,000 | $29,107,500 | $12,952,500 | -$16,155,000 | -55.50% | |
| Wellington Management Group Llp | 0.00% | 619,239 | $24,032,666 | $10,694,258 | -$13,338,408 | -55.50% | |
| Yorkville Advisors Global, Lp | 26.21% | 582,367 | $22,601,663 | $10,057,478 | -$12,544,185 | -55.50% | |
| Morgan Stanley | 0.00% | 490,680 | $19,043,291 | $8,474,044 | -$10,569,247 | -55.50% | |
| Harraden Circle Investments, Llc | 2.31% | 466,375 | $18,100,014 | $8,054,296 | -$10,045,718 | -55.50% | |
| Scoggin Management Lp | 3.15% | 342,500 | $13,292,425 | $5,914,975 | -$7,377,450 | -55.50% | |
| Magnetar Financial Llc | 0.10% | 291,975 | $11,331,550 | $5,042,408 | -$6,289,142 | -55.50% | |
| Blackrock, Inc. | 0.00% | 273,575 | $10,617,446 | $4,724,640 | -$5,892,806 | -55.50% | |
| Linden Advisors Lp | 0.03% | 191,707 | $6,696,134 | $3,310,780 | -$3,385,354 | -50.56% | |
| Geode Capital Management, Llc | 0.00% | 157,105 | $6,100,425 | $2,713,203 | -$3,387,222 | -55.52% | |
| Vanguard Capital Management Llc | 0.00% | 150,150 | $5,827,322 | $2,593,091 | -$3,234,232 | -55.50% | |
| Susquehanna International Group, Llp | 0.00% | 113,368 | $4,399,812 | $1,957,865 | -$2,441,947 | -55.50% | |
| Millennium Management Llc | 0.00% | 110,357 | $4,282,955 | $1,905,865 | -$2,377,090 | -55.50% | |
| Periscope Capital Inc. | 0.68% | 127,988 | $4,253,041 | $2,210,353 | -$2,042,688 | -48.03% | |
| Next Century Growth Investors Llc | 0.22% | 105,506 | $4,094,687 | $1,822,089 | -$2,272,598 | -55.50% | |
| Firstwave Capital Management Llc | 1.52% | 88,631 | $3,439,769 | $1,530,657 | -$1,909,112 | -55.50% | |
| Jane Street Group, Llc | 0.00% | 83,488 | $3,240,170 | $1,441,838 | -$1,798,332 | -55.50% | |
| Barclays Plc | 0.00% | 82,512 | $3,202,290 | $1,424,982 | -$1,777,308 | -55.50% | |
| Charles Schwab Investment Management Inc | 0.00% | 80,539 | $3,125,719 | $1,390,909 | -$1,734,810 | -55.50% | |
| Vanguard Fiduciary Trust Co | 0.00% | 70,912 | $2,752,095 | $1,224,650 | -$1,527,445 | -55.50% | |
| Bank Of America Corp | 0.00% | 65,790 | $2,553,310 | $1,136,193 | -$1,417,117 | -55.50% | |
| Citigroup Inc | 0.00% | 62,688 | $2,432,921 | $1,082,622 | -$1,350,299 | -55.50% | |
| Nomura Holdings Inc | 0.01% | 60,869 | $2,362,326 | $1,051,208 | -$1,311,118 | -55.50% | |
| Group One Trading Llc | 0.06% | 53,418 | $2,073,153 | $922,529 | -$1,150,624 | -55.50% | |
| Lpl Financial Llc | 0.00% | 52,540 | $2,039,077 | $907,366 | -$1,131,711 | -55.50% | |
| Murchinson Ltd. | 0.97% | 52,000 | $2,018,120 | $898,040 | -$1,120,080 | -55.50% | |
| Xtx Topco Ltd | 0.03% | 51,993 | $2,017,848 | $897,919 | -$1,119,929 | -55.50% | |
| Bluecrest Capital Management Ltd | 0.08% | 50,000 | $1,940,500 | $863,500 | -$1,077,000 | -55.50% | |
| Moore Capital Management, Lp | 0.04% | 50,000 | $1,940,500 | $863,500 | -$1,077,000 | -55.50% | |
| Kestra Advisory Services, Llc | 0.00% | 36,625 | $1,421,416 | $632,514 | -$788,902 | -55.50% | |
| Imc-Chicago, Llc | 0.01% | 35,814 | $1,389,941 | $618,508 | -$771,433 | -55.50% | |
| Wexford Capital Lp | 0.19% | 35,000 | $1,358,350 | $604,450 | -$753,900 | -55.50% | |
| Northern Trust Corp | 0.00% | 29,733 | $1,153,938 | $513,489 | -$640,449 | -55.50% | |
| Galaxy Digital Capital Management Gp Llc | 0.66% | 28,209 | $1,094,791 | $487,169 | -$607,622 | -55.50% | |
| Cedar Wealth Management, Llc | 0.27% | 26,878 | $1,043,135 | $464,183 | -$578,952 | -55.50% | |
| Feynman Point Asset Management Llc | 1.89% | 26,700 | $1,036,227 | $461,109 | -$575,118 | -55.50% | |
| Fund 1 Investments, Llc | 0.18% | 25,898 | $1,005,101 | $447,258 | -$557,843 | -55.50% | |
| Goldman Sachs Group Inc | 0.00% | 23,915 | $928,141 | $413,012 | -$515,129 | -55.50% | |
| Alyeska Investment Group, L.P. | 0.00% | 19,707 | $764,829 | $340,340 | -$424,489 | -55.50% | |
| Diametric Capital, Lp | 0.07% | 17,500 | $679,175 | $302,225 | -$376,950 | -55.50% | |
| Simplex Trading, Llc | 0.02% | 15,183 | $589,252 | $262,210 | -$327,042 | -55.50% | |
| Panoramic Capital, Llc | 0.25% | 15,000 | $582,150 | $259,050 | -$323,100 | -55.50% | |
| Concentric Capital Strategies, Lp | 0.04% | 14,686 | $569,964 | $253,627 | -$316,337 | -55.50% |
Frequently asked questions about BRUN
Who owns the most BRUN stock?
The largest holders of BRUN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Boost Run Inc. (BRUN).
Is BRUN widely held by superinvestors?
Many widely followed stocks like BRUN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BRUN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.