M
Mercari
eCommerce & Marketplaces · Tokyo, Japan · Founded 2013 · IPO 2018
News
Lost-and-found startup find draws in Rice Capital and Boost Capital via secondary deal
Jul 8, 2026
News
NAVER D2SF invests in SAZO, a cross-border agentic commerce startup
Jun 25, 2026
News
Tekedia Capital backs SellRaze's AI-powered resale platform
Jun 16, 2026
Market map
Next-gen social media startups
Mercari mafia
Startups founded by Mercari alumni
Former Mercari employees who went on to start their own companies. Sorted by Dealroom signal score.
Ren ItoJapan
Sota OharaJapan
Koki IdeJapan
Kazuki SawadaJapan
Kyosuke TakahashiJapan
John LagerlingUnited States
Yosuke IshikawaJapan
Kosuke KuzuokaJapan
Tamiki SugiyamaJapan
Tatsuya YagiJapan
Jemma StaceyUnited Kingdom
Dani ArnaoutUnited StatesGlobal footprint
Where Mercari has talent and traffic
team presence
across markets
Talent graph
The shape of Mercari's talent
Dealroom maps Mercari's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.
Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.
Patent intelligence
$8M patent portfolio · 112 active families
Where Mercari concentrates vs peers
Each axis is a top-10 topic across Mercari and its closest peers. #1 = 100, #10 = 10, absent = 0.
Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.
Capital deployed
Mercari's 19 investments and acquisitions.
Every disclosed deal where Mercari appeared as a backer or acquirer, 2016–2025. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.
19 deals across Mercari's capital deployment.
Where the deals concentrate by sector, stage, and decade.
02 · Portfolio market map
Mercari's portfolio, mapped.
Each chip is one company. Pill colour shows round type — green for Seed, blue for Series A, purple for B/C+, pink for late-stage, amber for M&A. Bigger sectors keep their full list behind “+ N more”.
Market sentiment
What the market is saying about Mercari
An AI-synthesized read of the highest-engagement posts about Mercari on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Mercari on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

