> The market for trading private company stock is dominated mostly by boutique brokerages based on the West Coast with names like EquityZen, SharesPost and Forge.<p>> Berthe said he believes that New York-based JPMorgan is the first major Wall Street bank to create a team dedicated to trading private shares. People with knowledge of the operations of Goldman Sachs and Morgan Stanley said that while the firms don’t have dedicated teams, they have been facilitating trades in this market for years. In particular, Morgan Stanley last year acquired Solium, a leading manager of corporate stock plans, giving it access to a wide swath of start-up equity.<p>> Unlike shares in public companies like Microsoft, trading in private company stock is complicated and still mostly the domain of old-school voice trading, versus electronic exchanges that close transactions in seconds. Once a trade is negotiated, JPMorgan has to transfer legal ownership of contracts and get clearance from the start-up, a process that can take weeks.