Ian Rountree

Founder and Managing Partner, Cantos
· tracked since Sep 2026
Calls
2
Win Rate
0.0%
return
-2.1%
Calls 2 1 Posts tracked · 0.1/day
Calls
7d 0
30d 2
90d 2
Win Rate 0% Long 2 Short 0
Win Rate
7d 0%
30d
90d
Average Return -2.1% Long Return -2.1% Short Return -
Average Return
7d -2.5%
30d
90d
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Result
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Ticker
Side
Mentions
First Call
Call Price
P&L
Thesis
Theme
Source
Long
Sep 09
$80.00
-1.5%
Physical AI and robotics transform movement.
Ian is very bullish on physical AI and robotics, viewing AI's entry into the physical world as potentially as transformative as LLMs. Cantos invests across the robotics stack, from model layer to dexterity and actuation, because movement is a huge category alongside energy and information.
Thematic ETFs
Long
Sep 09
$219.45
-2.7%
Defense tech challengers scale affordable deterrence.
Defense tech is attractive because the US lacks scale manufacturing, the Pentagon wants affordable mass, and new challengers can displace legacy primes. Cantos backs focused defense companies including Castelion, Neros, and Heavyside, with deterrence and manufacturing scale as key requirements.
Thematic ETFs
Showing 2 of 2 calls · sorted by mentions

Ian Rountree has 2 trade ideas tracked on Buzzberg across 2 tickers since September 2026. Most covered: ITA, ROBO, PHYSICAL AI.

Historical call returns are modeled from recorded ideas and stored prices, not actual brokerage portfolio returns. Check the evaluated call set and horizon; past results do not establish future prediction accuracy. Explore our data and methodology