Topsort
Palo Alto, US · Founded 2019 · 5 known investors
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Topsort builds AI-native monetization and commerce media infrastructure that provides ad serving, auctions, sponsored listings, measurement, and commerce intelligence. It serves retailers, marketplaces, brands, and agencies looking to monetize and optimize shopper experiences.
Founders & leadership
Topsort was founded in 2019 by Francisco Larrain and Zirui Ye.
Investors · 5
Reported raises · per SEC filings
Form D private placements$23.2M disclosed across 2 rounds · 2022–2023
▶$14.8MraisedMar 2024 · 7 investors · OtherRule 506(b)
▶$14.8MraisedMar 2024 · 7 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Francisco LarrainDirector, Executive Officer
- Carlos SimonsenDirector
- Zirui Regina YeExecutive Officer, Director
- Offering amount
- $25.1M
- Amount sold
- $14.8M
- First sale
- Nov 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$8.3MraisedFeb 2022 · 22 investors · OtherRule 506(b)
▶$8.3MraisedFeb 2022 · 22 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Francisco LarrainExecutive Officer, Director, Promoter
- Zirui YeExecutive Officer, Director, Promoter
- Michael OstrovskyPromoter
- Offering amount
- $8.7M
- Amount sold
- $8.3M
- First sale
- Feb 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Topsort do?
- Topsort builds AI-native monetization and commerce media infrastructure that provides ad serving, auctions, sponsored listings, measurement, and commerce intelligence. It serves retailers, marketplaces, brands, and agencies looking to monetize and optimize shopper experiences.
- Who founded Topsort?
- Topsort was founded by Francisco Larrain, Zirui Ye in 2019.
- Who are Topsort's investors?
- Topsort's investors include FJ Labs, Pear VC, Comma Capital, Quiet Capital, Upload Ventures.
- How much funding has Topsort raised?
- Topsort has disclosed $23.2M raised across 2 rounds.
- Where is Topsort headquartered?
- Topsort is headquartered in Palo Alto, US.




