Howard Marks

IntroductionThe Quietest Voice on Wall Street

When Warren Buffett opens the mail at his Omaha office, there is — by his own admission — exactly one stack of letters he reads first: the memos by Howard Marks. The quote — “When I see memos from Howard Marks in my mail, they’re the first thing I open and read. I always learn something.” — has hung prominently on Oaktree Capital’s website for years. It is a remarkable compliment from the world’s most celebrated investor to a man who has spent his entire career in a niche that almost no retail investor truly understands: the lower floors of the bond market, where companies default, debts are restructured, and patient buyers with deep balance-sheet skills harvest returns the equity market only delivers in its best decades.

Howard Marks is not a loud investor. He gives no market forecasts, doesn’t post on X, and rarely appears on television. His influence is shaped by texts — the memos he has been mailing to clients since 1990, which over the decades have become required reading for serious investors around the world. Anyone who wants to truly understand the language and structure of the market eventually arrives at Marks’ writing.

This deep dive traces his career, examines the investment philosophy behind Oaktree Capital, condenses the most important memos and his book “The Most Important Thing”, and distills concrete lessons from his work for the long-term private investor.

Chapter 1Biography and Career

Howard Stanley Marks was born on April 23, 1946, in Queens, New York, into a middle-class Jewish family. His father was an accountant, his mother a homemaker. The family later moved to Scarsdale, an affluent suburb where Marks attended high school and developed his lifelong interest in mathematics and language. Money, he later said in an interview, was never a taboo topic in his family — but it was also not a status symbol. The question was always how to use it sensibly.

In 1963 Marks enrolled at the Wharton School of the University of Pennsylvania, graduating in 1967 with a Bachelor’s in Finance and a focus on Japanese studies — an unusual combination for the time. He then earned an MBA at the Booth School of Business at the University of Chicago, completing it in 1969. Chicago shaped him intellectually: there he encountered Eugene Fama’s efficient market hypothesis, Harry Markowitz’s modern portfolio theory, and a generation of professors who applied statistical rigor to every aspect of markets. Marks never fully accepted that markets were efficient — but he took from Chicago the discipline of stress-testing every thesis with numbers.

Right after graduation he joined Citicorp — first as an analyst, then as a portfolio manager for equities. It quickly became clear that traditional equity research was not his calling. In 1978 he was given responsibility for a new department: convertible bonds and high-yield bonds. With that move he ended up in a market that almost nobody took seriously in the early 1980s — junk bonds, as they were called at the time. In precisely this unloved corner Marks laid the foundation for his later career.

In 1985 he moved to TCW (Trust Company of the West) in Los Angeles as managing director and built up the distressed-debt business there. Over ten years, alongside his partners Bruce Karsh, Sheldon Stone, Larry Keele and Richard Masson, he refined a strategy specialized in buying debt instruments in crisis situations. In 1995 the entire group walked out together and founded Oaktree Capital Management. Initial assets under management stood at around USD 5 billion — today they exceed USD 200 billion. More than two-thirds of the world’s 100 largest pension funds are Oaktree clients.

In 2012 Oaktree went public on the New York Stock Exchange. In 2019 the Canadian asset manager Brookfield acquired 62 % of the firm for USD 4.7 billion. Marks remained Co-Chairman. Privately he lives with his wife Nancy in Manhattan and has two adult children — his son Andrew Marks is himself a hedge fund manager and one of his father’s most important sparring partners in the memos.

Chapter 2Oaktree Capital — Distressed Debt and Contrarian Strategies

Oaktree Capital Management is today one of the largest alternative asset managers in the world. What makes the firm unique is its unwavering focus on credit — bonds and debt instruments — and within that, primarily on crisis situations. Whereas most large asset managers try to be present in every market niche, Oaktree has deliberately decided to concentrate on four core strategies: distressed debt, corporate debt (high yield + senior loans), real estate debt, and convertible securities — supplemented by special-situation private equity.

Distressed debt — Oaktree’s flagship discipline — works as follows. When a company runs into payment difficulties, its bonds trade below par. A bond originally issued at 100 may suddenly trade at 30 or 40. A buyer in this situation takes on two risks: the company may genuinely fail — in which case the 30 may end up at zero. Or the company restructures its debts, converts bonds into equity, and the courageous buyer becomes part-owner of a recovering business. Oaktree analyzes both scenarios meticulously: balance sheets, contracts, collateral, negotiating positions, legal implications. If the team concludes that the probability distribution of outcomes is positive — meaning expected value clearly exceeds the market price — Oaktree buys.

The track record is impressive. Across the firm’s flagship distressed-debt funds (Opportunities Funds I through XI since 1995) Oaktree has delivered net returns of approximately 17 % per year — with significantly lower drawdowns than a comparably diversified equity portfolio. In the great crisis years of 2002, 2008/09 and 2020, Oaktree was a buyer, not a seller. That is the operational consequence of the contrarian philosophy: when the world panics into selling, Oaktree systematically builds positions.

Being contrarian is intellectually simple but emotionally extremely hard. Marks describes this in his memos again and again: anyone who buys in a falling market initially watches prices fall further — and looks like an idiot for a while. The first losses hurt. Clients pull capital. Employees doubt. Without intellectual conviction, emotional resilience and an institutionally stable setup, you will capitulate. Oaktree has all three: a clear investment manifesto that all employees follow, long-horizon clients, and a culture of humility.

Chapter 3The Memos — A Generation of Investment Letters

Howard Marks’ memos are a phenomenon in their own right. Since 1990 Marks has written between five and ten letters per year to his clients — initially as internal communication, since the early 2000s public on the Oaktree website. They are rarely shorter than ten pages, often longer than twenty, and they always address the same fundamental themes from new angles: risk, cycles, market psychology, monetary policy, the relationship between price and value.

The first truly legendary memo was “The Route to Performance” from October 1990. In it Marks argued that above-average returns are achieved not by capturing more upside but by avoiding more downside. This thesis — defense first — became the foundation of Oaktree and of Marks’ writing.

In January 2000 came “bubble.com”. At the very peak of dot-com euphoria, when tech stocks set new records every day, Marks wrote a memo that dissected the excesses unflinchingly: valuations untethered from profitability, IPOs of business models without revenue, retail investors buying stocks they did not understand on borrowed money. His verdict: “A bubble is only possible when a large fraction of market participants no longer ask what something is worth, but only whether someone else is willing to pay more.” A few months later the bubble burst.

In October 2008, in the depths of the financial crisis, came “The Limits to Negativism”. Marks argued that the world looked bad — but not as bad as market prices suggested. During this period Oaktree built a long position in distressed corporate debt that became the most successful in the firm’s history. The memo is today regarded as a blueprint for contrarian thinking in crisis times.

In December 2022 came “Sea Change” — Marks’ most consequential memo to date. He argued that the four-decade phase since 1980 of falling rates, low inflation and monetary-policy-fueled asset inflation had ended in 2022 and that the next decade would look structurally different: higher rates, higher inflation, lower multiples, more credit defaults. For Oaktree this thesis opened a “golden window” for distressed debt — fundraising volumes exploded.

Anyone who reads Marks regularly notices: he never tries to beat the market — he tries to understand it. The memos are less prediction, more question. What assumptions are baked into current prices? Which of those assumptions are plausible, which optimistic, which already naive? Anyone who asks themselves these questions before every purchase has — according to Marks — already done 80 % of a good investor’s work.

Chapter 4Investment Philosophy — Second-Level Thinking and Market Cycles

At the heart of Marks’ philosophy sit two closely related concepts: second-level thinking and the understanding of market cycles.

First-level thinking is what most people do: “The company is good — therefore I’ll buy the stock.” Second-level thinking asks one layer deeper: “The company is good, everyone knows that, so it’s already in the price. What information do I have that others don’t have or interpret differently? And how likely is the consensus to be wrong?” Investing success does not come from identifying good companies — it comes from identifying mispriced companies, situations in which market price and intrinsic value diverge. That requires the willingness to disagree with the majority.

Market cycles are the second pillar. Marks distinguishes four main cycles that reinforce each other: the economic cycle (growth, recession, recovery), the profit cycle (margins expand, contract, normalize), the credit cycle (loose lending in good times, restrictive in bad), and the attitude-toward-risk cycle (investors are greedy in good times, fearful in bad). These four cycles compound each other: when the economy booms, profits rise, banks lend generously, investors get greedy — and prices rise faster than fundamentals. Risk is at its highest precisely when it feels safest.

Marks’ famous line: “We may not know where we’re going — but we’d better know where we are.” His entire investment framework revolves around this single statement. Instead of forecasting where a stock will trade in two years, Oaktree asks: where in the cycle are we now? Are current prices consistent with historical valuations or do they systematically deviate? Are risk premiums adequate? What is the mood in the headlines — fear or greed?

If the answers to these questions indicate that the market is too optimistic, Oaktree reduces risk and keeps powder dry. If they indicate that the market is panicked, Oaktree builds risk. This “risk posture” is the most important lever an asset manager has — more important than any individual security selection.

Chapter 5“The Most Important Thing” — Core Themes of the Book

In 2011 Marks distilled the essence of his memos into a book: “The Most Important Thing — Uncommon Sense for the Thoughtful Investor”. It is today required reading at the major US business schools and belongs on every serious investor’s bookshelf. The book consists of 20 short chapters, each beginning with “The most important thing is …” — and each chapter argues that this is the most important aspect. The apparent paradox is intentional: investing is not a single principle but a web of interconnected disciplines, all of which must be respected simultaneously.

The major themes can be grouped into five clusters. First: value before price. Marks distinguishes between trading (trying to predict short-term price moves) and investing (identifying securities whose intrinsic value exceeds the market price). Only the latter, he believes, is sustainable long-term.

Second: risk is not volatility. Academic models define risk as standard deviation — Marks rejects this. Risk is the probability of permanent capital loss. A bond that swings wildly for two years but ends up paid back at par never had risk — it had volatility. An investment that looks stable and ends in default had risk, even if volatility was small.

Third: price is the most important variable. Marks’ most-quoted aphorism: “It’s not what you buy, it’s what you pay for it.” Even the best company becomes a bad investment if you overpay. Even the worst company can become a good investment if the price is low enough.

Fourth: diversification, humility, and margin of safety. Nobody forecasts the market reliably — so every portfolio must be built to survive a wrong thesis. Margin of safety means: buy only where price is so far below estimated value that even a pessimistic revaluation still leaves return on the table.

Fifth: patience and counter-cyclical behavior. Markets spend most of the time in phases where neither massive buying nor massive selling makes sense. Anyone who can sit through that without acting out of activism is already ahead of most investors. The truly outsized returns come in rare crisis moments — but only if you are then liquid and mentally prepared.

Chapter 6Current Portfolio Highlights

Oaktree does not file 13F equity reports because most of its assets are in debt instruments and private markets — neither of which require quarterly disclosure. What is publicly known can be derived from Brookfield’s quarterly reports, Marks’ memos and industry publications.

As of early 2026 Oaktree manages approximately USD 205 billion. Roughly 40 % is in distressed debt and special situations, 30 % in senior loans and high yield, 15 % in real estate debt, 10 % in private credit strategies for mid-market companies, and the rest spread across convertibles, multi-strategy credit, and emerging-market debt. Geographically the US and Europe dominate; Asia has been growing in double digits since 2022.

The macro environment since the “Sea Change” memo of 2022 has been favorable for Oaktree: higher rates lead to higher coupons, more refinancing stress for companies with weak balance sheets, more distressed opportunities. In 2023 and 2024 gross returns of the distressed funds returned to high single digits to low double digits — well above traditional 60/40 portfolios.

On the equity side Marks tracks the listed holdings in which Oaktree has become an owner through distressed restructurings — typically after workouts in the gaming, energy and retail sectors. A complete overview of Oaktree’s listed US equity holdings can be found on our Smart Money profile of Howard Marks, where the quarterly 13F filings are processed automatically and presented in a readable format.

Chapter 7Lessons for Private Investors — Patience and Margin of Safety

Howard Marks’ world is the world of institutional debt restructurings — a sphere a private investor will never enter directly. Even so, his philosophy yields six very concrete lessons that apply directly to a retail investor’s ETF and equity allocation.

First: focus on what you don’t lose. Long-term returns are not generated by brilliant buys but by systematically avoiding total losses. Three years of 15 % returns followed by a fourth year of −60 % leaves you worse off than someone earning a steady 6 %. Risk avoidance is not a deficit — it is a core competence.

Second: don’t buy when everyone wants to buy. When an asset prints new all-time highs daily, every friend and headline talks about it, and you feel like you have to be in — that is precisely when risk is highest. Marks’ default response: wait, observe, stay in cash. Impatience is the most expensive mistake a private investor makes.

Third: keep cash ready when the world panics. Crises don’t come on schedule — but they come. An investor who consistently holds 10–20 % cash during normal times can buy stocks at discount prices in crisis phases. Most investors who could have bought in 2008 or 2020 had no powder — because they had been fully invested for too long.

Fourth: apply margin of safety in practice. Before every purchase ask: what is my realistic estimate of value for this company or ETF — and how much cheaper is the current price? If the discount is below 20 %, the safety margin is missing. If it is 40 %, you still have return even if your valuation was twice as optimistic as warranted.

Fifth: read the memos regularly. They are free at oaktreecapital.com, every single one. Investing is a lifelong learning field — and there is hardly a better teacher source than Marks’ texts. The memos since 2008 alone cover every major market phase of modern history.

Sixth: accept that patience is the rarest trait. Most private investors fail not from lack of knowledge but from lack of patience. They buy because something is doing well right now, and sell because something is doing badly right now. Marks’ entire body of work is one extended argument for the virtue of long-term thinking in a hyper-short-term market — and that is precisely the structural edge of the private investor over Wall Street, where quarterly results force the manager into short-term action.

Marks himself put it this way: “You can’t outsmart the market by thinking like the market.” His six rules help you think differently — and that is all it takes.