If you are looking for Deals transactions, go to Thomson One.
Remember: This resource works only on Internet Explorer!
Use the Screening & Analysis tab> Deals & League Tables
Select the option you are interested in: Advanced search, M&A, Equity, Bonds and Loans.
Search by Company info, Deal info, Deal value, Managers / Fees or Financials
You will get data on the number of matching deals in the database.
Select an output report (this can be either a pre-defined report or you can create one selecting just the data items of interest) and execute the search.
There are options for doing rankings and analyses to get aggregate results.