(However, only $14.6 billion worth of transactions were announced that time).
On a single day last year, the company hosted $5.75bn worth of transactions.
In 2009, SecondMarket completed $100 million worth of transactions in private shares.
So far in 2015, there have been nearly $3.5 trillion worth of transactions, according to Thomson Reuters.
The real victim is the market, a faceless mass of billions of dollars' worth of transactions daily.
In Etsy's first year of business, about $100,000 worth of transactions took place through the site.
With $42.9 billion worth of transactions announced this year, the industry has experienced a drop of only 18 percent, according to Thomson Reuters.
SecondMarket says it has already brokered $30 million worth of transactions between buyers and sellers of Facebook shares.
That's the lowest volume of summertime deals since the financial markets began trembling in the summer of 2007, surpassing only the $149 billion worth of transactions announced in 2009.
And since the firms often didn't process trades quickly enough, billions of dollars' worth of transactions a month were simply cancelled.
Even before the AT&T deal was announced on Sunday, JPMorgan had advised on $170.1 billion worth of transactions in 2011, according to Dealogic.
