# Ian Rountree at Cantos Ventures

> Ian Rountree, General Partner at Cantos Ventures. The rounds they were named in and the filings that name them, each with its source.

Source: https://millionrounds.com/person/ian-rountree (Millionrounds; every figure on the page links to its filing or article)

San Francisco, US · Partner

# Ian Rountree

General Partner at [Cantos](https://millionrounds.com/fund/cantos)

Profile summary

- **Rounds named:** - none observed
- **Filings:** 2 with regulators
- **Podcasts:** 1 episodes

What this record rests on

- **Named in rounds** No round names them yet
- ✓ **On filings** 2 filings with a regulator
- ✓ **Linked to a firm** At Cantos
- **Claimed** Not claimed yet

Titles come from filings their firm signed.

[Correct or remove](https://millionrounds.com/corrections?person=ian-rountree)[Is this you? Claim it](https://millionrounds.com/claim?person=ian-rountree)

## The firm

[**Cantos** VC firm · US **7** cheques in 12 months **48** all time **0** led deploying](https://millionrounds.com/fund/cantos)

## Companies they are listed as backing

Portfolio

- [Arable](https://millionrounds.com/company/arable)
- [Astranis](https://millionrounds.com/company/astranis)
- [Concha Labs](https://millionrounds.com/startup/concha-labs)
- [Curie Co](https://millionrounds.com/startup/curie)
- [EasyPost](https://millionrounds.com/startup/easypost)
- [Helium Health](https://millionrounds.com/startup/helium-health)
- [Lively](https://millionrounds.com/startup/lively-4)
- [Pow.bio](https://millionrounds.com/startup/pow-bio)
- [Rental Beast](https://millionrounds.com/startup/rental-beast)
- [Superhuman](https://millionrounds.com/startup/superhuman)
- [XGenomes](https://millionrounds.com/startup/xgenomes-corp)
- Catalog Technologies
- Clover Therapeutics
- Eridan Communications
- Inc.
- Opus 12

## Where they are named on record

Filings

- SEC Form D · Company raising **Earth AI Inc.** Director since 2023
- SEC Form D · Venture Capital fund **[Cantos](https://millionrounds.com/fund/cantos)** Executive Officer since 2016

Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.

## Hear them before you pitch them

- [TBPN](https://millionrounds.com/podcasts/tbpn) · 30 Jun 2026 · 2h 55m America's Tech Wishlist, Comcast Splits in Two, Tristan Thompson in the Ultradome | Zach Laberge, Gavin Uberti, Eren Bali, Larsen Jensen, Ricky Rosa, Andrew Rea, Michael Anderson, Tristan Thompson, Grant Gregory & Ian Rountree With [Andrew Rea](https://millionrounds.com/person/andrew-rea)[Ian Rountree](https://millionrounds.com/person/ian-rountree)[Larsen Jensen](https://millionrounds.com/person/larsen-jensen)[Zach Laberge](https://millionrounds.com/person/zach-laberge) About this episode (02:02) - Rocket Lab Enters SpaceX Arena (10:32) - Comcast Splits in Two (12:16) - 𝕏 Timeline Reactions (21:15) - America's Tech Wishlist (44:02) - Zach Laberge, founder and CEO of Omen AI, discusses his company's development of real-time fluid monitoring systems for mission-critical… More on the show's page Listen on Apple PodcastsThe show's page

Episodes of [the shows we follow](https://millionrounds.com/podcasts), matched by name. Not them? [Tell us](https://millionrounds.com/corrections?person=ian-rountree).

## Find people like Ian

Filter every partner and angel by firm, kind, market and whether we watched them invest. Free with an account.

Search people[How we know what we know](https://millionrounds.com/methodology)