Theme
Finance book communities on Reddit
Investing and personal-finance books discussed in our Reddit sample — from Bogle and Graham to Housel and Collins, drawn from r/personalfinance, r/investing, and r/Bogleheads.
Updated September 2026 — rankings refresh with each new data release.
Subreddits in this theme
r/personalfinance
21.7M membersA broad personal-finance sub for people at every stage — budgeting, debt payoff, first jobs, retirement basics — with 17 million members making it one of Reddit's largest money communities.
r/investing
3.4M membersA general-purpose investing subreddit for retail investors discussing stocks, funds, and personal finance strategy, spanning everything from index-fund basics to individual stock analysis.
r/Bogleheads
845k membersA community built around John Bogle's philosophy of low-cost index-fund investing, populated largely by buy-and-hold investors focused on long-term wealth accumulation through passive strategies.
r/financialindependence
A community about saving, investing, tax planning, career choices, and designing a life in which paid work becomes optional.
Hot recently in Finance
Ranked by mentions in the latest six observed months for these subreddits.
Most-mentioned in Finance
Combined mentions across all 4 subreddits in the theme. Showing the top 30 of 59 indexed.