Security key
09940T100
Boost Run Inc. - Class A Common Stock, par value $0.0001 per share (BRUN)
CUSIP: 09940T100
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Class A Common Stock, par value $0.0001 per share
- Total 13F shares
- 16,043,471
- Total 13F value
- $621,109,918
- Share change
- +16,042,210
- Put/Call ratio
- 134%
- SEC-reported price per share
- $38.81
- Number of holders
- 79
- Value change
- +$621,060,979
- Number of buys
- 78
- Shares outstanding
- 31,887,755
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
79
Top holders
10
BRUN full security history
Ownership snapshot
Full 13F holder table
Boost Run Inc. SEC filings
Boost Run Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of BRUN - Boost Run Inc. - Class A Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Sean Goodrich
Disclosed value leader
TOMS Capital Investment M...
Comparable rows
5/8
Latest evidence
30 Jun 2026
13D/G
3/4/5
Lead comparable stake: 13%
3 rows are not safely comparable across share classes.
13D/G row: Sean Goodrich
Showing 1-6 of 8 holder rows.
Quick read
Sean Goodrich leads the comparable SEC ownership view at 13%.
5 of 8 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Sean Goodrich's linked filing trail.
Comparable ownership
Top 5
Sean Goodrich
13%
B. Luke Weil
12%
TOMS Capital Investment Managemen...
9.8%
FMR LLC
5.6%
Jeremy Rayne Steinberg
0.08%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 8 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Sean Goodrich |
13D/G
3/4/5
Director
|
13%
|
$84,716,835
4,034,135 shares
|
$0 | 12 May 2026 |
| B. Luke Weil |
13D/G
3/4/5
Director, 10%+ Owner
|
12%
|
$82,026,483
3,906,023 shares
|
$0 | 12 May 2026 |
| TOMS Capital Investment Management LP |
13D/G
|
9.8%
|
$91,187,500
3,125,000 shares
|
$0 | 30 Jun 2026 |
| FMR LLC |
13D/G
|
5.6%
|
$52,006,055
1,782,250 shares
|
$0 | 30 Jun 2026 |
| Jeremy Rayne Steinberg |
3/4/5
Director
|
0.08%
|
$835,091
25,375 shares
|
— | 12 May 2026 |
| A23 Revocable Trust No.1, Dated January 26, 2026 |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
8,016,095 shares
|
— | 08 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
79
Shares
16,043,471
Rows available
79
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
0
Q2 2026 holders
79
Holder diff
79
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|