A leveraged buyout refers to the acquisition or takeover of a company where a significant amount of money is borrowed to meet the acquisition cost. Leveraged buyouts, popularly known as LBOs, are commonly carried out by private equity firms. Since the company making the purchase can finance almost 90% of the deal value, it makes large acquisitions possible even if the acquirer has little capital to commit.

The target company’s assets usually act as collateral for raising the loan. Once the deal is done, the future cash flow from the newly acquired company helps to repay the debt. In some cases, the debt is repaid by selling off some assets of the acquired firm. Such deals work out profitable in cases where the return generated by the acquired firm outweighs the cost of debt. (For more, read: “Understanding Leveraged Buyout Secnarios”)

Leveraged buyouts witnessed massive popularity in the 1980s, which was followed by a lull phase in the 1990s. Activity picked up again in the early 2000s thanks to the low interest rates, the availability of debt financing and easy lending policies.
Some well-known private equity firms in the business of doing LBOs are Kohlberg Kravis Roberts & Co. (NYSE: KKR), Blackstone Group LP (NYSE: BX), Carlyle Group LP (NASDAQ: CG), Texas Pacific Group (TPG Capital), Bain Capital and Goldman Sachs Private Equity.

Here are seven of the largest and most famous leveraged buyouts ever (in no specific order):

Alltel Corp
Alltel was hand-picked by Goldman Sachs’ (GS) private equity wing and Texas Pacific Group (TPG Capital) in 2007 for about $27.5 billion.23 The leveraged buyout of Alltel, the fifth-largest wireless-phone carrier then, was the largest buyout in the U.S. telecommunication space.4 Alltel was rated amongst the best-run companies and was thus seen as an attractive target. Goldman Sachs and Texas Pacific Group did not keep Alltel for long, selling it to Verizon Wireless, which was a joint venture between Vodafone (NASDAQ: VOD) and Verizon Communications (NYSE: VZ).

HCA Healthcare Inc (NYSE: HCA)
Hospital Corporation of America, founded in 1968, was acquired by HCA founder Dr. Thomas F. Frist Jr., Kohlberg Kravis Roberts & Co, Bain Capital and Merrill Lynch Global Private Equity.7 The deal, announced in 2006, had a total transaction cost of $33 billion, making it the largest buyout deal of that time.8 Hospital Corporation of America, simply known as HCA Healthcare Inc, went public yet again in 2011 and trades on the New York Stock Exchange (NYSE). Of note, Merrill Lynch Global Private Equity was acquired by Bank of America Corporation as a result of the acquisition of Merrill Lynch & Co. Inc. in January 2009.

TXU Corp
The announcement of the plan to acquire the Texas power company TXU Corp, now Energy Future Holdings Corp, was made in 2007 by a group of private equity firms. The $45 billion acquisition made it the largest buyout in the history. TXU’s leveraged buyout was considered huge. The deal looked so promising, that it even lured in investment banks like Citigroup (C) and Lehman Brothers to be a part of the deal along with Kohlberg Kravis Roberts & Co, Texas Pacific Group (TPG Capital) and Goldman Sachs.

First Data Corp
The leveraged buyout of First Data Corp in 2007 by Kohlberg Kravis Roberts & Co is still one of the largest private equity technology deals. The deal was carried out with a provision attached to it, known as “go-shop period” that allowed a company to solicit other proposals for a period of 50 days. The deal valued at $29 billion included costs of restricted shares, stock options, and debt.
First Data Corp is a leading electronic transition processing firm. In 2014, Kohlberg Kravis Roberts & Co helped the payment processing company to reduce its debt burden through a $3.5 billion private placement.

Harrah’s Entertainment Inc (NASDAQ: CZR)
The 2006 buyout of Harrah’s Entertainment is one the biggest private equity acquisitions in the gambling industry. The largest casino company accepted the buyout offer by two private equity companies, Apollo Global Management (NYSE: APO) and Texas Pacific Group (TPG Capital) for $27.8 billion (including debt of $10.7 billion).
The company’s changed its name from Harrah’s Entertainment Inc to Caesars Entertainment Corp in 2010 with Harrah’s continuing as one of its brands.