What’s Going on in Private Credit?

The general field called “credit” has seen massive innovation over the course of my career. Its popularity has increased steadily, and its scale and role in the world of finance have multiplied. The other day, an Oaktree colleague asked me about the developments that brought the credit sector to where it is today. I came up with the following list:

Time of Inception


The investment world I first encountered in the summer of 1968, consisting exclusively of stocks and high-grade bonds, seems quaint and provincial in retrospect given the developments listed above. These advances have transformed the investment management business, and Oaktree and its clients have been major beneficiaries. All the changes listed above involved – or were facilitated by – the thing now broadly called “credit” – essentially non-government debt. I’ll lay out a brief chronology to set the scene.

Prior to 1977-78, it was virtually impossible for a company lacking an investment grade credit rating (BBB or above) to issue bonds publicly. The speculative-grade debt that did exist was primarily that of previously investment grade companies that had run into trouble and been downgraded, so-called “fallen angels.” Companies lacking investment grade ratings were generally limited to taking out bank loans or borrowing from insurance companies through “private placements.” Michael Milken is generally credited with the idea, implemented in the late 1970s, that non-investment grade companies should be able to issue bonds if their interest rates are high enough to compensate for the risk of default. This kind of “risk/ return thinking” helped enable the development of today’s U.S. high yield bond market of roughly $1.5 trillion, along with most of the other developments under discussion here.

A few small leveraged buyouts took place in the mid-1970s, but the popularization of high yield bonds in the 1980s enabled LBO funds, small companies, and “takeover artists” to borrow enough money to acquire much larger companies than was previously possible. That led to a massive expansion of LBOs, creating the industry that renamed itself “private equity” in the 1990s.