--- title: "Net-Net Investing: Graham's Original Deep-Value Strategy" type: learn slug: net-net-ncav-investing-explained-deep-value-13f canonical_url: https://13finsight.com/learn/net-net-ncav-investing-explained-deep-value-13f published_at: 2026-05-24T08:13:20.535Z updated_at: 2026-05-24T08:28:24.277Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 575 locale: en source: 13F Insight --- # Net-Net Investing: Graham's Original Deep-Value Strategy > Net-net investing, Graham's original method, buys stocks for less than their net current asset value, effectively getting the business for free. Learn how NCAV works, why such bargains are rare today, and the value-trap risks that make diversification essential. Buying a dollar of assets for less than a dollar Net-net investing is the oldest and most literal form of value investing, the strategy Benjamin Graham practiced in his earliest years and taught to his students. The idea is austere and almost mechanical: find companies whose stock trades for less than their net current asset value, then buy a basket of them. Net current asset value, or NCAV, is calculated by taking a company's current assets, cash, receivables, and inventory, and subtracting all of its liabilities. It deliberately ignores long-term assets like factories and goodwill, treating them as worth zero. When a stock trades below even that conservative figure, you are, in theory, buying the company's liquid assets at a discount and getting the entire ongoing business for free. Why such bargains exist, and why they are rare A stock trading below its net current asset value is the market screaming that something is wrong, the company may be losing money, shrinking, or facing an existential threat. Graham's insight was statistical: any individual net-net might deserve its low price, but a diversified basket of them, bought cheaply enough, tends to produce satisfactory returns on average as some recover, get acquired, or liquidate at more than the market expected. The margin of safety comes not from any single company's prospects but from the gap between price and tangible, liquid asset value across the whole basket. True net-nets are scarce in modern markets, especially among larger companies, because investors have become more efficient at pricing obvious balance-sheet bargains and because today's economy is full of asset-light businesses whose value is not captured by current assets at all. They tend to surface in unloved corners, small caps, out-of-favor industries, and during market panics when fear pushes prices below liquidation value. The deep-value tradition that still hunts them The net-net mindset lives on in the broader deep-value tradition, which seeks securities priced well below a conservative estimate of worth regardless of business glamour. Firms in that lineage tend to hold uncomfortable, beaten-down names, banks under a cloud, companies in litigation, businesses the market has given up on, because that discomfort is the source of the discount. Kahn Brothers, founded by Graham's former teaching assistant Irving Kahn, is a living example: its concentrated book of unloved financials and out-of-favor names reflects the same hunt for securities the market has mispriced to the downside, even when few of them are literal net-nets today. The limits of the strategy Net-net investing carries real risks. The biggest is the value trap: a company can trade below net current asset value and keep destroying that value, burning cash until the balance-sheet cushion is gone. Diversification is therefore essential, the approach is a basket strategy, not a way to bet big on one cheap stock. The numbers can also mislead if receivables prove uncollectible or inventory is worth less than carried. And because net-nets are often tiny and illiquid, the strategy can be hard to scale. For investors reading institutional filings, the net-net concept is a useful lens even when the literal bargains are absent. It anchors the deeper logic of deep value: the safest discounts are measured against hard, tangible value, and the widest discounts almost always come wrapped in discomfort. When you see a value manager wading into names everyone else is fleeing, you are watching that centuries-tested instinct, buy assets for less than they are worth, at work in its modern form. ## FAQ ### What is net-net investing? Net-net investing buys stocks trading below their net current asset value, the strategy Benjamin Graham practiced early in his career. The aim is to buy a company's liquid assets at a discount and effectively get the ongoing business for free, spread across a diversified basket. ### How is net current asset value (NCAV) calculated? NCAV takes a company's current assets, cash, receivables, and inventory, and subtracts all of its liabilities. It deliberately ignores long-term assets like factories and goodwill, treating them as worth zero, to produce a deeply conservative measure of value. ### Why do net-net bargains exist? A stock below its net current asset value usually signals serious trouble, losses, decline, or an existential threat. Graham's insight was that a diversified basket of such cheap stocks tends to produce satisfactory average returns as some recover, get acquired, or liquidate favorably. ### Why are net-nets rare today? Markets price obvious balance-sheet bargains more efficiently than in Graham's era, and much of the modern economy consists of asset-light businesses whose value is not captured by current assets. Net-nets mostly surface among small caps, out-of-favor industries, and in panics. ### What are the risks of net-net investing? The main risk is a value trap, a company below net current asset value that keeps destroying it by burning cash. Receivables or inventory may be worth less than carried, and net-nets are often tiny and illiquid, so diversification is essential and scaling is hard. ### How does net-net thinking apply to reading 13F filings? Even when literal net-nets are absent, the concept anchors deep value: the safest discounts are measured against hard, tangible value, and the widest discounts come wrapped in discomfort. A value manager buying names others are fleeing reflects that same instinct. --- Source: 13F Insight — https://13finsight.com/learn/net-net-ncav-investing-explained-deep-value-13f Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-24T08:28:24.277Z