August 17, 2025
RWH060: What Buffett, Munger & Bill Miller Taught Me w/ Robert Hagstrom
We Study Billionaires - The Investor’s Podcast NetworkAbout this episode
In this episode, William Green chats with Robert Hagstrom, Chief Investment Officer & Senior Portfolio Manager at Equity Compass. Robert is the author of a classic book, “The Warren Buffett Way,” which lays out the principles that made Buffett the greatest investor of all. Here, Robert shares life-changing lessons he learned from Buffett & two other icons: Charlie Munger & Bill Miller. He also explains why a focused, low-turnover portfolio is a brilliant but difficult strategy. IN THIS EPISODE YOU’LL LEARN: 00:00 - Intro 04:39 - How Robert Hagstrom became a multidisciplinary thinker. 08:09 - How to think better & invest better by tuning out the noise. 26:01 - What mistake Warren Buffett made most frequently. 35:30 - Why AI falls short when it comes to investment decisions. 35:30 - Why Nvidia is Robert’s biggest holding. 01:04:49 - How Miller endured & recovered from a devastating mistake. 01:14:43 - What insights led Bill Miller to make billions in Amazon & Bitcoin. 01:32:04 - Why it’s smart but really hard to own a concentrated portfolio. 01:34:29 - Why Robert views Modern Portfolio Theory with disdain. 01:42:23 - What advice Robert received from investing giant Bill Ruane. 01:48:06 - Why you should be deeply wary of investing in private equity. 02:04:04 - What life lesson Robert has learned from Buffett. Disclaimer: Slight discrepancies in the timestamps may occur due to podcast platform differences. BOOKS AND RESOURCES Join Clay and a select group of passionate value investors for a retreat in Big Sky, Montana. Learn more here . Join the exclusive TIP Mastermind Community to engage in meaningful stock investing discussions with Stig, Clay, Kyle, and the other community members. Robert Hagstrom’s investment firm, Equity Compass Investment Management . Robert Hagstrom's books: The Warren Buffett Way , The Warren Buffett Portfolio , Investing: The Last Liberal Art . Mortimer Adler's How to Read a Book . Louis Menand's The Metaphysical Club . William Green’s podcast interview with Bill Miller . William Green’s podcast interview with Bill Nygren . William Green’s book, “Richer, Wiser, Happier” – read the reviews of this book . Follow William Green on X . Check out all the books mentioned and discussed in our podcast episodes here . Enjoy ad-free episodes when you subscribe to our Premium Feed . NEW TO THE SHOW? Get smarter about valuing businesses in just a few minutes each week through our newsletter, The Intrinsic Value Newsletter . Check out our We Study Billionaires Starter Packs . Follow our official social media accounts: X (Twitter) | LinkedIn | Instagram | Facebook | TikTok . Browse through all our episodes (complete with transcripts) here . Try our tool for picking stock winners and managing our portfolios: TIP Finance Tool . Enjoy exclusive perks from our favorite Apps and Services . Learn how to better start, manage, and grow your business with the best business podcasts . SPONSORS Support our free podcast by supporting our sponsors : SimpleMining HardBlock AnchorWatch Human Rights Foundation Vanta Unchained Onramp Netsuite Shopify HELP US OUT! Help us reach new listeners by leaving us a rating and review on Spotify ! It takes less than 30 seconds, and really helps our show grow, which allows us to bring on even better guests for you all! Thank you – we really appreciate it! Support our show by becoming a premium member! https://theinvestorspodcastnetwork.supportingcast.fm Support our show by becoming a premium member! https://theinvestorspodcastnetwork.supportingcast.fm Support our show by becoming a premium member! https://theinvestorspodcastnetwork.supportingcast.fm Support our show by becoming a premium member! https://theinvestorspodcastnetwork.supportingcast.fm Learn more about your ad choices. Visit megaphone.fm/adchoices Support our show by becoming a premium member! https://theinvestorspodcastnetwork.supportingcast.fm