APTO
PrivateLast Round
Seed
Dec 22, 2020
Total Funding Raised
$580,000
Company Overview
APTO operates in AI, Data & Cloud Infrastructure and is based in Tokyo. Its latest recorded funding round was a Seed round in December 2020.
APTO is an artificial intelligence company that provides high-quality training data, annotation services, and AI development platform solutions for machine learning and generative AI.
Sector
AI, Data & Cloud Infrastructure
Verticals
AI Training Infrastructure, ML Platforms, Synthetic Data, NLP & Conversational AI, Computer Vision
Business Model
B2B
Customer Profile
Services & Consulting, Usage-Based SaaS
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
APTO Comparables
Compare APTO with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| 株式会社バオバブ | 88% | |
| FastLabel Inc. | 83% | |
| Global Walkers, Inc. | 83% |
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APTO Funding Rounds
Historical fundraising activity
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Key People
Founding team and executive leadership
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APTO Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| ANOBAKA | Seed, Series A |
| STRIVE | Series A |
| Mitsui Sumitomo Insurance Capital Co., Ltd. | Seed, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 15, 2026
Grew 23% QoQ, from 13 to 16 employees.
- Jun 19, 2026
Grew 30% QoQ from 10 to 13 employees.
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APTO Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about APTO's valuation, stock price, and market status.
Is APTO a public or private company?
APTO is a private company.
What is the current stock price of APTO?
APTO is a private company, so its shares have no public market price. Caplight tracks APTO's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is APTO worth (valuation)?
Valuation information for APTO is not publicly available.
Can I buy APTO stock?
APTO shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was APTO's last funding round?
APTO's most recent funding round was Seed on December 22, 2020.
Who are the main investors in APTO?
Key investors in APTO include Mitsui Sumitomo Insurance Capital Co., Ltd..
Will APTO IPO soon?
No public IPO plans have been announced for APTO.
How can I track APTO secondary market activity?
Caplight tracks bids, offers, and trades in APTO's shares on secondary markets.