BRUN
BOOST RUN INC-CL AData as of 2026 Q2 (06-30) · 13F snapshot
Summary
BOOST RUN INC-CL A (BRUN) is held as common stock by 2 tracked hedge-fund managers, with a combined reported value of ~$55.54M; the largest are Ken Griffin, Izzy Englander. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Heating up
Common-stock holders21 also report options
Congress trades0
Price$16.65vs quarter-end-57.10%
Sectors0
This quarter's moves
Top holderNew2
Added0
Trimmed / sold0
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $11.14M— of portfolio287,0002026 Q2
Value $11.01M— of portfolio283,8002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinPUT | $11.14M | — | — |
| Ken GriffinCALL | $11.01M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.