10 biggest corporate deals of 2015
Pharmaceutical giants Pfizer and Allergan merge to form the world's biggest drug company by sales.

It has been a record year for corporate deals. Companies made more than $4.7 trillion in deals so far this year, surpassing 2007 as the top year for deals, according to Dealogic. The most recent deal, a tie-up of Dow Chemical and DuPont announced Friday, adds more than $60 billion to the total. Here's a look back at the top deals, ranked by Dealogic



1. Pfizer and AllerganThe deal would create the world's largest drug company, bringing Pfizer's erectile dysfunction drug Viagra and Allergan's wrinkle treatment Botox under one company.Value: $148.6 billion. Announced: November. Status: Pending.2. Anheuser-Busch InBev and SABMillerAB InBev, already the world's largest brewer, will get even bigger after the deal closes. AB InBev makes Budweiser beer, while SABMiller makes Miller Genuine Draft.Value: $105.6 billion. Announced: October. Status: Pending.3. Royal Dutch Shell and BG GroupOil and gas company Shell says it wants to buy rival BG Group to boost its presence in the liquefied natural gas market. Value: $69.8 billion. Announced: April. Status: Pending.4. Dell and EMCDell, the maker of personal computers, is buying EMC to get into the growing data-storage industry. Value: $66 billion. Announced: October. Status: Pending.5. Dow Chemical and DuPontThe two companies expect to combine and then split into three publicly traded companies focusing on agriculture, material science and specialty products. Value: $62.4 billion. Announced: December. Status: Pending.6. Charter Communications and Time Warner CableCombining the cable companies will create one of the largest TV and Internet providers in the U.S. Value: $56.8 billion. Announced: May. Status: Pending.7. HJ Heinz and Kraft Foods GroupHJ Heinz buying Kraft Foods created the third-largest food company, bringing together well-known brands Oscar Mayer hot dogs, Ore-Ida frozen french fries and Heinz ketchup. Value: $53.8 billion. Announced: March. Status: Completed.8. Anthem and CignaBased on enrollments, Anthem buying Cigna would create the nation's largest health insurer.Value: $51.9 billion. Announced: June. Status: Pending.9. PayPal splitE-commerce company eBay Inc. split off payments company PayPal into a separate, publicly traded company. Value: $49.2 billion. Completed: July. Status: Completed.10. Teva Pharmaceutical and Allergan GenericsPharmaceutical company Teva is in the process of buying Allergan's generic drug business.Value: $40.5 billion. Announced: July. Status: Pending.