Key facts
- It has raised $640K; the latest was Out of Business in Jan 2026.
- Status: Out of Business.
- ·Watchlist + deal alerts for Back Door
- ·The full record, as it builds
Funding rounds
No funding rounds for Back Door are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Back Door
Operator of an entertainment content platform intended to solve sports problems with entertainment. The company's platform enhances engagement with fans, fosters a community that supports athletes, and generates profits from advertising that are then returned to athletes, who are the ultimate influencers and micro-influencers, enabling fans to interact with their favorite players through live streaming.
- Sector
- Information Technology
- HQ
- Nagoya, Japan
- Founded
- 2023
- Website
- backdooor.com/
- Ownership
- Out of Business
Back Door doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Back Door shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Back Door in its N-PORT filings yet. We sweep new filings monthly.