Boost Run Inc. Class ABRUN

13F holders, Q2 2026 (June 30)
81holders
3famous investors
$38.71avg. 13F price*

At the end of Q2 2026, 81 institutions reported holding Boost Run Inc. Class A (BRUN) in their 13F filings. The largest holders were TOMS Capital Investment Management LP ($121.3M), FMR LLC ($69.2M) and Citadel Advisors ($51.3M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Boost Run Inc. Class A
CUSIP
09940T100
Latest filing quarter
Q2 2026

Total Exit/New Position Q2 2026

InstitutionsTotal Value
New Positions80$623.6M
Exits0$0

Ownership 81 holders

TOMS Capital Investment Management LP 6.40% New 3,125,000 $121.3M
FMR LLC 0.00% New 1,782,250 $69.2M
Citadel Advisors 0.03% New 1,320,722 $51.3M
D. E. Shaw & Co. 0.03% New 1,250,546 $48.5M
UBS Group AG 0.01% New 860,043 $33.4M
AWM Investment Company, Inc. 2.74% New 813,739 $31.6M
Hiddenite Capital Partners LP 7.15% New 750,000 $29.1M
Capricorn Fund Managers Ltd 2.33% New 750,000 $29.1M
Wellington Management Group LLP 0.00% New 619,239 $24.0M
Yorkville Advisors Global, LP 26.37% New 582,367 $22.6M
Morgan Stanley 0.00% New 490,680 $19.0M
Harraden Circle Investments, LLC 2.55% New 466,375 $18.1M
Scoggin Management LP 3.15% New 342,500 $13.3M
Magnetar Financial LLC 0.11% New 291,975 $11.3M
BlackRock, Inc. 0.00% New 273,575 $10.6M
Linden Advisors LP 0.30% New 191,707 $6.7M
Geode Capital Management, LLC 0.00% New 157,105 $6.1M
Vanguard Capital Management LLC 0.00% New 150,150 $5.8M
Susquehanna International Group, LLP 0.00% New 113,368 $4.4M
Millennium Management 0.00% New 110,357 $4.3M
Periscope Capital Inc. 0.71% New 127,988 $4.3M
Next Century Growth Investors LLC 0.22% New 105,506 $4.1M
FirstWave Capital Management LLC 1.52% New 88,631 $3.4M
Jane Street Group, LLC 0.00% New 83,488 $3.2M
Barclays PLC 0.00% New 82,512 $3.2M
Charles Schwab Investment Management Inc. 0.00% New 80,539 $3.1M
Vanguard Fiduciary Trust Co. 0.00% New 70,912 $2.8M
Bank of America Corp. 0.00% New 65,790 $2.6M
State Street Corp. 0.00% New 62,900 $2.4M
Citigroup Inc. 0.00% New 62,688 $2.4M
Nomura Holdings Inc. 0.01% New 60,869 $2.4M
Group One Trading LLC 0.06% New 53,418 $2.1M
LPL Financial LLC 0.00% New 52,540 $2.0M
Murchinson Ltd. 0.99% New 52,000 $2.0M
XTX Topco Ltd 0.03% New 51,993 $2.0M
BlueCrest Capital Management Ltd 0.09% New 50,000 $1.9M
Moore Capital Management, LP 0.05% New 50,000 $1.9M
Kestra Advisory Services, LLC 0.00% New 36,625 $1.4M
IMC-Chicago, LLC 0.01% New 35,814 $1.4M
Wexford Capital LP 0.19% New 35,000 $1.4M
Northern Trust Corp. 0.00% New 29,733 $1.2M
Galaxy Digital Capital Management GP LLC 0.66% New 28,209 $1.1M
Cedar Wealth Management, LLC 0.27% New 26,878 $1.0M
Feynman Point Asset Management LLC 1.89% New 26,700 $1.0M
Fund 1 Investments, LLC 0.18% New 25,898 $1.0M
Goldman Sachs Group Inc. 0.00% New 23,915 $928K
Alyeska Investment Group, L.P. 0.00% New 19,707 $765K
Diametric Capital, LP 0.07% New 17,500 $679K
Simplex Trading, LLC 0.02% New 15,183 $589K
Panoramic Capital, LLC 0.25% New 15,000 $582K
Concentric Capital Strategies, LP 0.04% New 14,686 $570K
Royal Bank of Canada 0.00% New 13,150 $510K
Kazazian Asset Management, LLC 0.45% New 13,044 $506K
WINTON GROUP Ltd 0.01% New 10,600 $411K
Oppenheimer & Co. Inc. 0.00% New 8,500 $330K
Curi Capital, LLC 0.00% New 7,650 $297K
Prelude Capital Management, LLC 0.02% New 6,764 $263K
Mangrove Partners Im, LLC 0.02% New 6,102 $237K
Clearline Capital LP 0.01% New 5,960 $231K
Harbour Capital Advisors, LLC 0.04% New 7,800 $222K
Accel Wealth Management 0.05% New 5,706 $221K
Boothbay Fund Management, LLC 0.00% New 5,200 $202K
Vanguard Global Advisers, LLC 0.00% New 5,165 $200K
Silicon Valley Capital Partners 0.01% New 2,870 $111K
Activest Wealth Management 0.02% New 2,100 $82K
Tower Research Capital LLC (TRC) 0.00% New 2,006 $78K
Global Retirement Partners, LLC 0.00% — 2,000 $78K
Osaic Holdings, Inc. 0.00% New 1,800 $70K
Rockefeller Capital Management L.P. 0.00% New 1,690 $66K
Larson Financial Group LLC 0.00% New 1,400 $54K
BNP Paribas Financial Markets 0.00% New 1,261 $49K
Wells Fargo & Company 0.00% New 1,150 $45K
Persistent Asset Partners Ltd 0.01% New 1,079 $42K
Highbridge Capital Management LLC 0.00% New 1,000 $39K
Game Plan Financial Advisors, LLC 0.01% New 439 $17K
Global Trust Asset Management, LLC 0.00% New 200 $8K
MCF Advisors LLC 0.00% New 144 $6K
Wolverine Asset Management LLC 0.00% New 60 $2K
Steward Partners Investment Advisory, LLC 0.00% New 30 $1K
FNY Investment Advisers, LLC 0.00% New 50 $1K
Friedenthal Financial 0.00% New 1 $30

"% of holder's portfolio" is BRUN's weight in each manager's 13F, not the share of Boost Run Inc. Class A the manager owns.