BRUN · NASDAQ · Software - Infrastructure

Boost Run

Dedicated NVIDIA GPU cloud infrastructure for demanding AI and high-performance-computing workloads.

$17.25
After-hours close+0.23 (+1.35%)
At close$17.02(−17.42%)

Breakdown13F · Form 4

Institutions 19.96%16.12M sharesInsiders 6.11%4.94M sharesOther 73.93%59.71M shares

Shares outstanding 80.77M · Float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Andrew Karos29.53M48.08%13DMay 15, 2026
A23 Revocable Trust No.1, Dated January 26, 20268.02M25.13%13DMay 15, 2026
Goodrich ILMJS LLC5.14M10.28%13DAug 28, 2026
Sean Goodrich · director4.94M6.11%Form 4Aug 28, 2026
B. Luke Weil3.91M12.25%13DJun 15, 2026

Institutions13F, as of Jun 30, 2026

97 holders · 16.12M shares · 86 new positions · 86 increased · 0 reduced · 0 closed

HolderShares% outstandingChg q/qFiled
Toms Capital Investment Management LP3.13M3.87%+3.13MnewAug 14, 2026
FMR LLC1.78M2.21%+1.78MnewAug 13, 2026
Citadel Advisors LLC1.32M1.64%+1.32MnewAug 14, 2026
D. E. Shaw & Co., Inc.1.25M1.55%+1.25MnewAug 14, 2026
UBS Group AG860.0K1.06%+860.0KnewAug 13, 2026
Awm Investment Company, Inc.813.7K1.01%+813.7KnewAug 14, 2026
Capricorn Fund Managers Ltd750.0K0.93%+750.0KnewJul 24, 2026
Hiddenite Capital Partners LP750.0K0.93%+750.0KnewAug 13, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Andrew Karos48.08%29.53M13DMay 15, 2026
A23 Revocable Trust No.1, Dated January 26, 2026incl. Harilaos Georgakopoulos25.13%8.02M13DMay 15, 2026
B. Luke Weilincl. Willow Lane Sponsor, LLC12.25%3.91M13DJun 15, 2026
Goodrich ILMJS LLCincl. Sean Goodrich10.28%5.14M13DAug 28, 2026
TOMS Capital Investment Management LP9.80%3.13M13GAug 14, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Sean Goodrichdirector4.94M6.11%Aug 28, 2026

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 27, 2026
Sean Goodrichdirector
Sale198,200$20.154,937,921

CongressHouse and Senate disclosures

Not reported.