As of November 6, 2026, Boost Run Inc. is a publicly traded company (Nasdaq: BRUN). The largest holder reporting an active stake on Schedule 13D is Harilaos Georgakopoulos, the chief operating officer and a director, at 25.13%. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13D, May 15, 2026).
Is this your company?
About to sign with, pay or invest in Boost Run Inc.? See the free Snapshot first.
Free to see. No signup.
Is Boost Run Inc. a real, registered company?
- Boost Run Inc. files with the SEC under CIK 2090646 (its SEC filings).
- Its shares are listed under the ticker BRUN on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Northbrook, Illinois, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under BOOST RUN INC in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Sean Goodrich (filed 2026-09-16).
Who are Boost Run Inc.'s owners and officers?
Boost Run Inc.: incorporated in Delaware; business address in Northbrook, Illinois; industry Services-Computer Processing & Data Preparation (Schedule 13G/A, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-05 | Fmr LLC | 3.3% |
| Schedule 13D/A, 2026-09-16 | Sean Goodrich | 8.88% |
| Schedule 13D/A, 2026-08-28 | Sean Goodrich | 10.28% |
| Schedule 13G, 2026-08-14 | Toms Capital Investment Management LP | 9.8% |
| Schedule 13G, 2026-08-06 | Fmr LLC | 5.6% |
| Schedule 13D, 2026-06-15 | B. Luke Weil | 12.25% |
| Schedule 13D, 2026-06-15 | Sean Goodrich | 12.65% |
| Schedule 13G, 2026-05-21 | Kenneth Griffin | 5.5% |
| Schedule 13D, 2026-05-18 | Goodrich Ilmjs LLC | 6.48% |
| Schedule 13D, 2026-05-15 | B. Luke Weil | 9.97% |
| Schedule 13D, 2026-05-15 | Harilaos Georgakopoulos | 25.13% |
| Schedule 13D, 2026-05-15 | Sean Goodrich | 6.48% |
Questions about who owns Boost Run Inc.
Who owns Boost Run Inc.?
On this page, 6 holders' latest ownership filings report 5% or more of Boost Run Inc.: Harilaos Georgakopoulos (25.13%, Schedule 13D, filed 2026-05-15), B. Luke Weil (12.25%, Schedule 13D, filed 2026-06-15), Toms Capital Investment Management LP (9.8%, Schedule 13G, filed 2026-08-14), Sean Goodrich (8.88%, Schedule 13D/A, filed 2026-09-16) and Goodrich Ilmjs LLC (6.48%, Schedule 13D, filed 2026-05-18); 1 more is listed above.
Who are the largest shareholders of Boost Run Inc.?
By the share each holder's latest filing reports, the largest holders of Boost Run Inc. on this page are Harilaos Georgakopoulos (25.13%), B. Luke Weil (12.25%) and Toms Capital Investment Management LP (9.8%).
When did Harilaos Georgakopoulos buy into Boost Run Inc.?
The filings give report dates, not purchase dates. The earliest filing from Harilaos Georgakopoulos on this page is the Schedule 13D, filed 2026-05-15, reporting 25.13%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Want the whole picture on Boost Run Inc.?
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
A Full Report on Boost Run Inc.: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Boost Run Inc. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
20 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
Which insiders own Boost Run Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- A23 Revocable Trust No.1, Dated January 26, 2026, a 10% owner: 8,016,095 shares (Form 3, 2026-05-15).
- , the chief operating officer and a director: 8,016,095 shares, held indirectly through a self as trustee for the a23 revocable trust no.1 (Form 3, 2026-05-15).
- , a director: 4,437,921 shares, held indirectly through By Goodrich ILJMS LLC (Form 4, 2026-09-16).
- , a director and 10% owner: 3,355,789 shares, held indirectly through By Willow Lane Sponsor, LLC (Form 4, 2026-06-15).
- , the chief technology officer: 2,278,257 shares (Form 3, 2026-10-06).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Boost Run Inc. raised?
Latest IPO step: Boost Run Inc. filed to go public (S-1, 2026-07-02).
IPO filings: S-1, 2026-07-02; ticker BRUN on Nasdaq.
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-05-14).
Keep reading
More on Boost Run Inc. and the records around it.
Boost Run Inc. elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- TOMS Capital Investment Management LP also filed stake reports on 2 other companies: GOLAR LNG LTD (Aug 2026), Willow Lane Acquisition Corp. (May 2026)
- Citadel Advisors LLC also filed stake reports on 58 other companies: Quantinuum Inc. (Oct 2026), REALLOYS INC. (Oct 2026), STARFIGHTERS SPACE, INC. (Oct 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/boost-run