Welcome to our “Useful Sites” page, your ultimate resource hub for a curated selection of top websites, both free and paid, that every investor should know about and have access to. In the vast and ever-evolving landscape of finance, having access to the right tools and resources is paramount, and this page is designed to simplify your journey by offering a carefully curated collection of essential websites and newsletters.
Our “Useful Sites” page is your one-stop destination for discovering the most valuable digital resources available to investors. Whether you’re seeking free sites that offer valuable insights and data, premium services that provide in-depth analysis and tools, or free investment newsletters that keep you informed of the latest market trends, we’ve meticulously compiled lists to cater to your diverse needs.
by Investment insights from Harris "Kuppy" Kupperman
by Online research platform
by Provides macro commentary from a top performing hedge fund team and over 25 different event driven monitors
by A compilation of every hedge fund activist presentation

| Raging Capital Ventures | Entrepreneurship, small-caps, activism, and more from investor Bill Martin | ![]() |
| A Letter a Day | Newsletter featuring a letter a day for prominent investors and entrepreneurs | ![]() |
| Generals and Workouts | Deep dives on net-nets, special situations and other mispriced opportunities in the stock market. | ![]() |
| Dirty Bubble Media | Reporting on Crypto frauds | ![]() |
| Altay Capital | Japanese microcap write-ups | ![]() |
| Bison Interests Newsletter | Commentary on the oil and gas markets from investor Josh Young | ![]() |
| Treasure Hunting – Substrack | Substack newsletter featuring cheap equity ideas, primarily overseas | ![]() |
| On the Street | Ideas from prolific financial journalist Herb Greenberg | ![]() |
| Kuppy’s Korner | Investment insights from Harris "Kuppy" Kupperman | ![]() |
| The KEDM Monday Monitor | Weekly newsletter featuring KEDM's Even Driven Investing Highlights | ![]() |
| Tegus | A database that lets you find dozens of expert network calls on any company | ![]() |
| Finviz Industry Charts and Insider Transactions | Chart generator by sector | ![]() |
| Morningstar | See funds info and top holdings | ![]() |
| Dataroma | List of top hedge fund holdings and transactions | ![]() |
| Plot Digitizer | Reverse-engineers graphs into numbers | ![]() |
| Join Collosus | Investing focused podcast platform with many public company CEO interviews | ![]() |
| Zeroes TV | Interviews with great investors and short-sellers | ![]() |
| Listen Notes | Search all podcast transcripts for any word or phrase | ![]() |
| Savant Investors | Public platform to share stock write-ups | ![]() |
| FTC – Federal Trade Commission | Database of ongoing or recently closed Federal Trade Commission actions | ![]() |
| Google Trends | Long-term trends in search volume for words on Google | ![]() |
| 10X EBITDA | A compilation of every hedge fund activist presentation | ![]() |
| Open Corporates | Search executives, board members, or state registration for private businesses. | ![]() |
| CFPB – Consumer Financial Protection Bureau | Database of millions of consumer complaints | ![]() |
| Reverse Whois or DNS | Shows you all websites registered to a particular company or email | ![]() |
| Site Jabber | Collection of customer reviews for online businesses | ![]() |
| BBB – Better Business Bureau | Consumer review and business accreditation site | ![]() |
| Social Blade | Track social media growth of a company or an individual | ![]() |
| IBorrowdesk | Website with borrow rates and short availability on any stock | ![]() |
| PACER – Public Access to Court Electronic Records | Find lawsuits against companies or individuals | ![]() |
| SEC – Security and Exchange Commission | Search through SEC filings | ![]() |
| PCAOB – Public Company Oversight Board | Find the auditor or audit partner for any company and their track record | ![]() |
| VIC – Value Investors Club | Public platform to share stock write-ups | ![]() |
| Edwin Dorsey – Sunday’s Idea Brunch | Substack featuring interviews and idea pitches | ![]() |
| Nat Stewart – Stock Picking Newsletter | Newsletter for small cap value ideas | ![]() |
| Micro Cap Club | A community offering idea flow for microcap stocks | ![]() |
| Trading View | Online research platform | ![]() |
| koyfin | Online research platform | ![]() |
| Doomberg Substack | Energy & finance commentary | ![]() |
| Seeking Alpha Premium | Investing community to share investment ideas | ![]() |
| Canary Data | Tracks data points to evaluate investment risk | ![]() |
| Visual Ping | Get alerts for changes made to any website | ![]() |
| Hudson Labs | AI-powered equity research software | ![]() |
| Insider Score by Verity | Track and screen management changes, auditor changes, buybacks, and insider buying | ![]() |
| TIKR | An institutional-grade investing platform for individuals | ![]() |
| KEDM Investment Newsletter | Provides macro commentary from a top performing hedge fund team and over 25 different event driven monitors | ![]() |