Community profile
Sam Steinberg
Iron#26academic / quant-formal · Buffett-style compounder On Arithmos, academic / quant-formal who screens for the Quality factor — financially strong businesses with high ROE, durable margins, and conservative balance sheets. Builds and shares public indices grounded in value + compounders themes.
American Reshoring & Industrial Renaissance Index
15+218%“An index of US manufacturers, construction firms, and supply-chain players directly benefiting from the reshoring megatrend — driven by the CHIPS Act, IRA, and de-globalisation of critical supply chains.”
2026-04-30Continuous Glucose Monitor Index
7−87%“An index of medtech companies leveraged to the continuous glucose monitor (CGM) and connected diabetes care category.”
2026-04-30