S Short    W Contest winner
ZAGG INC (Sep 16)
ZAGG INC (Feb 11) S
ZAGG INC (Jul 10)
ZAIS FINANCIAL CORP (Sep 13)
Zalaris ASA (Jan 15)
ZAPATA CORP (Jul 09)
ZARLINK SEMICONDUCTOR INC (Jul 11)
ZAYO GROUP HOLDINGS INC (Dec 14) S
ZEDGE INC (Jun 16)
ZEDI INC (Jan 12)
ZELTIQ AESTHETICS INC (Jun 16) S
Zenkoku Hosho (May 17)
ZEP INC (Jul 10)
Zhong Ao Home Group (Oct 16)
Zhong Ao Home Group (Oct 16)
ZhongDe Technology (Aug 07)
Zhongpin (Sep 07)
Zicom Group Limited (Dec 13)
ZIGGO NV (Dec 12)
Ziggo NV (May 12)
ZILLOW GROUP INC (Mar 15) S
ZILLOW INC (Aug 13) S
ZILLOW INC (Nov 12) S
ZIMMER BIOMET HOLDINGS INC (Mar 17)
ZIMMER HOLDINGS INC (Sep 09)
ZION OIL & GAS INC (Jun 17) S
ZIX CORP (Jul 16)
ZOE'S KITCHEN INC (Aug 16) S
ZOE'S KITCHEN INC (Aug 16) S
ZOGENIX INC (Dec 11) W
ZON MEDIA (Jul 13)
ZOOM TELEPHONICS INC (Dec 15)
Zoopla (Aug 14) S
zooplus AG (Jul 17)
Zoran Corporation (Dec 10)
ZOSANO PHARMA CORP (Feb 17)
ZULILY INC (Nov 13) S
ZYNERBA PHARMACEUTICALS INC (Jul 17)
ZYNGA INC (Jul 14)
ZYNGA INC (Apr 12) S