How Reading 10-Ks for 10 Hours a Day Helped Me Beat the Market

I run a concentrated value fund that returned 62.2 percent last year against the S&P 500's 17.9 percent. The approach behind it is unglamorous: I spend about 10 hours a day reading 10-Ks, 10-Qs, and industry reports instead of scrolling feeds. This essay is about why primary sources consistently outperform secondary commentary, how the discipline applies to engineers and founders as much as to investors, and why my portfolio still has no AI exposure despite believing AI matters.