Key facts
- It has raised $8.3M; the latest was Seed Round ($8.3M) in Feb 2025.
- Notable investors include General Catalyst, SV Angel, A*, Akash Garg, Ryan Eisenman — 6 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 6 names
- ·Watchlist + deal alerts for Fifteenth
- ·The full record, as it builds
Funding rounds
No funding rounds for Fifteenth are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Fifteenth
Provider of tax planning and filing services intended to cater to individuals in the tech industry. The company offers tax return preparation, tax advisory, tailored tax strategies, and consultation with the help of tax experts and the software stack, enabling professionals to navigate tax optimization for private and public equity, rental incomes, and angel investments.
- Sector
- Consumer Products and Services (B2C)
- HQ
- San Francisco, CA, United States
- Founded
- 2024
- Employees
- 7
- Website
- fifteenth.com/
- Ownership
- Privately Held (backing)
Fifteenth 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 Fifteenth 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 Fifteenth in its N-PORT filings yet. We sweep new filings monthly.