S Short    W Contest winner
O'REILLY AUTOMOTIVE INC (Oct 17)
O'REILLY AUTOMOTIVE INC (Sep 12) S
O2MICRO INTERNATIONAL LTD (Aug 15)
Oakley Capital Investments Limited (Jun 20)
OAKTREE CAPITAL GROUP LLC (Mar 18)
OAKTREE CAPITAL GROUP LLC (Oct 16)
OAKTREE CAPITAL GROUP LLC (Jun 14)
OAKTREE CAPITAL GROUP LLC (May 12)
Oaktree Capital Management (Dec 10)
OAKTREE SPECIALTY LENDING CP (Aug 19)
OASIS MIDSTREAM PARTNR- REDH (Oct 17)
Obic (Feb 11)
OBSIDIAN ENERGY LTD (Jun 18)
Ocado Group (Mar 19)
Occidental Petroleum (Jun 10)
OCCIDENTAL PETROLEUM CORP (Dec 16)
OCEAN RIG UDW INC (Mar 13)
Ocean Rig UDW Inc. (Jul 11)
OCEAN SHORE HOLDING CO (Mar 15)
OCEAN SHORE HOLDING CO (Mar 14)
OCEAN SHORE HOLDING CO (Mar 11)
Ocean Shore Holding Co. (Jan 10)
OCERA THERAPEUTICS INC (Nov 17)
OCH-ZIFF CAPITAL MGMT LLC (Feb 17) S
OCH-ZIFF CAPITAL MGMT LLC (Jan 17)
OCI NV (Oct 17)
OCI PARTNERS LP (Dec 16) W
Oclaro, Inc. (May 17)
OCWEN FINANCIAL CORP (Feb 19)
OCWEN FINANCIAL CORP (Mar 14)
OCZ TECHNOLOGY GROUP INC (Jul 11) S
Odfjell Drilling (Nov 13)
ODYSSEY HEALTHCARE INC (Jul 10) S
ODYSSEY MARINE EXPLORATION (Oct 13) S
ODYSSEY MARINE EXPLORATION (Sep 13)
Office Depot (Apr 19)
Office Depot (Dec 15) S
OFFICE DEPOT INC (Aug 18)
OFFICE DEPOT INC (Apr 14)
OFFICIAL PAYMENTS HLDGS INC (Sep 12)
OFS CAPITAL CORP (Dec 15)
OFS CAPITAL CORP (Jun 14)
OFS Capital Corporation (Jun 18)
OHA INVESTMENT CORP (Jan 15)
OLAM INTERNATIONAL LTD (Dec 14) S
Old Dominion Freight Lines (Feb 16)
OLD REPUBLIC INTL CORP (Jul 12)
OLIN CORP (Aug 19)
OLIN CORP (Sep 15)
OLLIE'S BARGAIN OUTLET HLDGS (Jun 20) S
OLLIE'S BARGAIN OUTLET HLDGS (Mar 18) S
OLYMPUS (Feb 19)
OMEGA HEALTHCARE INVS INC (Sep 19) S
Omega Insurance Holdings Limited (Jan 10)
OMEGA PROTEIN CORP (Mar 17) S
OMEGA PROTEIN CORP (Aug 11) S W
OMINTO INC (Jul 17) S
Omni Bridgeway (Jun 20)
Omni Bridgeway (Jun 20)
OMNICARE INC (Sep 12)
OMNICARE INC (Jan 12) S
OMNICELL INC (Apr 20)
OMNICOM GROUP (Jan 19) S
ON ASSIGNMENT INC (Nov 14)
ON DECK CAPITAL INC (Mar 16)
ON SEMICONDUCTOR CORP (Jul 17)
ON SEMICONDUCTOR CORP (Jan 14)
ONCOMED PHARMACEUTICALS (Dec 18)
ONCONOVA THERAPEUTICS INC (Mar 18)
ONCOSEC MEDICAL INC (Jul 17)
ONCOTHYREON INC (Jul 11)
One Main (Nov 16)
OneMarket (Aug 18)
ONESOFT SOLUTIONS INC (Jun 20)
ONESPAN INC (Nov 18)
ONESPAWORLD HOLDINGS LTD (May 20) S
OneWater Marine (Mar 20) S
ONEX CORP (Feb 18)
Onthehouse (Feb 16)
ONVIA INC (Jan 14)
ONVIA INC (Jul 13)
oOh!Media (May 20)
OOMA INC (Sep 16)
OPEN RANGE ENERGY CORP (Oct 11)
OPEN TEXT CORP (Oct 12)
Opendoor (Sep 20)
OPERA LTD -ADR (May 19)
Opera Software (Nov 16)
Ophthotech Corp (Jun 15)
OPIANT PHARMACEUTICALS INC (Jul 18)
Opko (Mar 13) S
OPKO HEALTH INC (Feb 12) S
OPPENHEIMER HOLDINGS INC (Mar 15)
OPPENHEIMER HOLDINGS INC (Dec 13)
OPT-SCIENCES CORP (Sep 15)
OPTIMAL PAYMENTS (Sep 12)
OPTIMIZERX CORP (May 20)
Opus Group (Jul 18)
ORACLE CORP (Apr 17)
ORACLE CORP (Jun 14)
ORACLE CORP (Apr 12)
ORAMED PHARMACEUTICALS INC (Jul 19)
ORBCOMM INC (Nov 12)
ORBITAL ATK INC (Jul 16)
ORBITAL ATK INC -PRO FORMA (Apr 15)
ORBITAL SCIENCES CORP (Aug 12)
ORBITZ WORLDWIDE INC (Dec 14)
ORBOTECH LTD (Mar 13)
ORCHARD SUPPLY HARDWARE STOR (Feb 13) S
ORCHID CELLMARK INC (Sep 11)
ORCHIDS PAPER PRODUCTS (Aug 18) S
ORCHIDS PAPER PRODUCTS (Feb 17) S
ORGANIGRAM HOLDINGS INC (OGI.) (Jun 18)
ORGANIGRAM HOLDINGS INC (OGI.) (Jun 16)
ORGANIGRAM HOLDINGS INC (OGI.) (Jun 16)
ORGANOVO HOLDINGS INC (Mar 14) S
ORIENTAL FINANCIAL GROUP INC (May 10)
Oriental Land (Apr 20) S
oriental watch holdings (May 15)
Oriental Watch Holdings Limited (Jun 12)
Oriental Weavers (Aug 17)
ORIGEN FINANCIAL INC (Mar 12)
ORIGEN FINANCIAL INC (Oct 10)
ORION ENERGY SYSTEMS INC (May 14)
ORION ENGINEERED CARBONS SA (Apr 18)
ORION ENGINEERED CARBONS SA (Feb 17)
Orion Marine Group (Nov 15)
ORITANI FINANCIAL CORP (Jul 10)
ORMAT TECHNOLOGIES INC (Feb 20) S
Oro Negro (May 19)
Orora Limited (Apr 14)
ORTHOPEDIATRICS CORP (Mar 20) S
OSHKOSH CORP (OSK) (Apr 16) S
OSI SYSTEMS INC (Dec 13)
OSI SYSTEMS INC (Aug 12)
OSPREY ENERGY ACQ CORP (Aug 18)
OSX 3 Leasing B.V. (May 14)
OTC MARKETS GROUP INC (Apr 20)
OTC MARKETS GROUP INC (Mar 13)
OTC MARKETS GROUP INC (Feb 12)
Otel (Mar 20)
OTELCO INC (Nov 16)
OTELCO INC (Oct 12)
OTIS WORLDWIDE CORP -SPN (Mar 20)
OTTAWA BANCORP INC (Feb 20)
OUTDOOR CHANNEL HLDGS INC (Dec 12)
OUTERWALL INC (Sep 13)
OUTFRONT MEDIA INC (Jul 20)
OUTFRONT MEDIA INC (Jul 17)
OUTFRONT MEDIA INC (Jul 15)
Overhill Farms (Nov 10)
OVERHILL FARMS INC (Jul 11)
OVERSEAS SHIPHOLDING GROUP (Jan 20)
Overstock (Jul 18)
OVERSTOCK.COM INC (Sep 20) S
OVERSTOCK.COM INC (Apr 18) S
OWENS & MINOR INC (Sep 19) S
Owens C (May 17)
OWENS CORNING (Dec 18)
OWENS CORNING (Apr 15)
OWENS CORNING (Jan 15)
OWENS CORNING (Mar 13)
Owens Illinois (Dec 14)
Owens Realty Mortgage (Mar 16)
OWENS REALTY MORTGAGE INC (Sep 16)
OWENS REALTY MORTGAGE INC (Jun 15)
OWENS REALTY MORTGAGE INC (Apr 14)
OWENS-ILLINOIS INC (Sep 16)
OWENS-ILLINOIS INC (Nov 14)
OXYGEN BIOTHERAPEUTICS INC (Mar 10) S