 Morgan Stanley trimmed its position in CommVault Systems, Inc. NASDAQ:CVLT by 39.8 in the 1st quarter, Holdings Channel.com reports. The institutional investor owned 914,465 shares of the software makers stock after selling 604,893 shares during the quarter. Morgan Stanleys holdings in CommVault Systems were worth 37,017,000 as of its most recent SEC filing. Other hedge ... 