Index Ventures vs Lost Astronaut
Index Ventures vs Lost Astronaut, compared side by side on 17 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Index Ventures is on 85/100 and Lost Astronaut on 21/100.
Where each one leads
Index Ventures
- our overall score: 85/100 against 21/100
- agent readiness: 36/100 against 29/100
- domain rating: 75/100 against 12/100
- headcount: 113 against 1
- LinkedIn following: 663 against 49
Lost Astronaut
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Index Ventures | Lost Astronaut |
|---|---|---|
| What it is | Global venture capital firm backing ambitious entrepreneurs from seed to IPO across technology and life sciences. | Venture builder and early-stage investor focused on fostering entrepreneurship and tech talent. |
| Category | Venture Capital, Growth Capital, Enterprise Software, AI/ML | Venture Capital, Education Technology, Entrepreneurship Education, Youth Entrepreneurship |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Services |
| Founded | 1996 | 2025 |
| Headquarters | London, United Kingdom | Vilnius, Lithuania |
| Status | Active | Active |
Size, funding and growth
| Measure | Index Ventures | Lost Astronaut |
|---|---|---|
| Employees | 113 | 1 |
| Total funding | $9.1B | Not published |
| Latest round | Venture Fund and Growth Fund | Not published |
| LinkedIn followers | 663 | 49 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Index Ventures | Lost Astronaut |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 85/100 | 21/100 |
| Traction | Not published | 3/100 |
| Team | 100/100 | 30/100 |
| Search visibility | 51/100 | 29/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | F (29/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 12/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Index Ventures | Lost Astronaut |
|---|---|---|
| Hosting | AWS | AWS |
| CDN | CloudFront | CloudFront |
| Frameworks | Bootstrap | Not detected |
| Analytics | Google Analytics 4, Fathom | Not detected |
| Open source | No | Yes |
Index Ventures vs Lost Astronaut: common questions
Which is better, Index Ventures or Lost Astronaut?
On our 0-100 score Index Ventures rates higher (85/100 against 21/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 17 data points above: read the rows that match what you are buying for.
How do Index Ventures and Lost Astronaut compare on the numbers?
Index Ventures leads on our overall score (85/100 against 21/100), agent readiness (36/100 against 29/100), domain rating (75/100 against 12/100), headcount (113 against 1), LinkedIn following (663 against 49).
Read the full Index Ventures review and pricing or the Lost Astronaut review and pricing. You can also browse other Index Ventures alternatives we track.