Search alphabetically by company name:
| U-STORE-IT TRUST (YSI) | First Trade Date | 10/22/2004 |
| U.S. AUTO PARTS NETWORK, INC. (PRTS) | First Trade Date | 02/09/2007 |
| U.S. CAPITAL CORP. | First Trade Date | 07/29/1983 |
| U.S. CELLULAR TEL. | First Trade Date | 07/23/1984 |
| U.S. CONCRETE, INC. | First Trade Date | 05/26/1999 |
| U.S. DESIGN | First Trade Date | 07/07/1981 |
| U.S. EXPLORATION | First Trade Date | 06/11/1981 |
| U.S. HEALTH CARE | First Trade Date | 02/09/1983 |
| U.S. INTERACTIVE, INC. | First Trade Date | 08/10/1999 |
| U.S. LABORATORIES, INC. | First Trade Date | 02/23/1999 |
| U.S. MEDICAL ENTER. | First Trade Date | 06/14/1984 |
| U.S. MINERALS | First Trade Date | 08/11/1980 |
| U.S. SHIPPING PARTNERS L.P. (USS) | First Trade Date | 10/29/2004 |
| U.S. SILICA HOLDINGS, INC. (SLCA) | First Trade Date | 02/01/2012 |
| U.S.I. HOLDINGS CORPORATION | First Trade Date | 10/22/2002 |
| UAL CORP. | First Trade Date | 08/01/1969 |
| UAP HOLDING CORP. (UAPH) | First Trade Date | 11/23/2004 |
| UBER TECHNOLOGIES, INC (UBER) | First Trade Date | 05/10/2019 |
| UBIC, INC. (UBIC) | First Trade Date | 05/16/2013 |
| UBICS | First Trade Date | 10/30/1997 |
| UBID | First Trade Date | 12/04/1998 |
| UBIQUITEL INC. | First Trade Date | 06/07/2000 |
| UBIQUITI NETWORKS, INC. (UBNT) | First Trade Date | 10/14/2011 |
| UBS | First Trade Date | 05/16/2000 |
| UCBH HOLDINGS | First Trade Date | 11/05/1998 |
| UCI MEDICAL AFFIL. | First Trade Date | 09/17/1984 |
| UCLOUDLINK GROUP INC. (UCL) | First Trade Date | 06/10/2020 |
| UCP, INC. (UCP) | First Trade Date | 07/18/2013 |
| UFP TECH | First Trade Date | 12/17/1993 |
| UGLY DUCKLING | First Trade Date | 06/18/1996 |
| UINTAH ENERGY | First Trade Date | 04/09/1981 |
| UIPATH, INC. (PATH) | First Trade Date | 04/21/2021 |
| ULTA SALON, COSMETICS & FRAGRANCE, INC. (ULTA) | First Trade Date | 10/25/2007 |
| ULTICOM, INC. | First Trade Date | 04/05/2000 |
| ULTIMATE CORPORATION | First Trade Date | 04/07/1981 |
| ULTIMATE ELECTR | First Trade Date | 10/15/1993 |
| ULTIMATE SOFTWARE GP | First Trade Date | 06/02/1998 |
| ULTRA CLEAN HOLDINGS, INC. | First Trade Date | 03/25/2004 |
| ULTRA MAR | First Trade Date | 06/26/1992 |
| ULTRA-SYSTEMS | First Trade Date | 05/28/1981 |
| ULTRADATA | First Trade Date | 02/16/1996 |
| ULTRADATA SYS | First Trade Date | 02/01/1995 |
| ULTRAFEM | First Trade Date | 02/21/1996 |
| ULTRAGENYX PHARMACEUTICAL INC. (RARE) | First Trade Date | 01/31/2014 |
| ULTRAK | First Trade Date | 11/05/1980 |
| ULTRALIFE BATTERIES | First Trade Date | 12/23/1992 |
| ULTRAPETROL (BAHAMAS) LIMITED (ULTR) | First Trade Date | 10/13/2006 |
| ULTRATECH STEPPER | First Trade Date | 09/29/1993 |
| UMB FINC | First Trade Date | 03/03/1971 |
| UMPQUA HLDS | First Trade Date | 04/02/1998 |
| UNB | First Trade Date | 09/15/1999 |
| UNDER ARMOUR, INC. (UARM) | First Trade Date | 11/18/2005 |
| UNIBANCO SA (NYSE NUS) | First Trade Date | 05/22/1997 |
| UNICA CORPORATION (UNCA) | First Trade Date | 08/03/2005 |
| UNICAPITAL | First Trade Date | 05/15/1998 |
| UNICOMP | First Trade Date | 05/09/1988 |
| UNIDATA SYSTEMS | First Trade Date | 11/10/1982 |
| UNIFAB INTL | First Trade Date | 09/19/1997 |
| UNIFAST INDUSTRIES | First Trade Date | 05/04/1983 |
| UNIFORCE TEMPORARY | First Trade Date | 03/23/1984 |
| UNIFY | First Trade Date | 06/14/1996 |
| UNIGRAPHICS SOLS | First Trade Date | 06/18/1998 |
| UNIMARK GROUP | First Trade Date | 08/12/1994 |
| UNIMATION | First Trade Date | 11/25/1981 |
| UNIOIL | First Trade Date | 01/13/1982 |
| UNION ACCEPTANCE | First Trade Date | 08/02/1995 |
| UNION ACQUISITION CORP. (LTN'U) | First Trade Date | 02/28/2018 |
| UNION ACQUISITION CORP. II (LATNU) | First Trade Date | 10/18/2019 |
| UNION BANK | First Trade Date | 03/26/1993 |
| UNION BANKSHARES | First Trade Date | 12/14/1998 |
| UNION BANKSHARES | First Trade Date | 10/06/1993 |
| UNION CAMP | First Trade Date | 07/13/1956 |
| UNION CARBIDE | First Trade Date | 03/01/1926 |
| UNION COMMUNITY BANCORP | First Trade Date | 12/29/1997 |
| UNION DRILLING, INC. (UDRL) | First Trade Date | 11/22/2005 |
| UNION FINANCIAL BANC | First Trade Date | 07/07/1998 |
| UNION NATIONAL BANC | First Trade Date | 04/21/1998 |
| UNION PACIFIC | First Trade Date | 06/20/1969 |
| UNION PLANTERS | First Trade Date | 02/13/1992 |
| UNION SWITCH & SIGN | First Trade Date | 11/29/1993 |
| UNION WARREN SAVINGS | First Trade Date | 02/03/1984 |
| UNIONBANC | First Trade Date | 10/01/1996 |
| UNIQUE FABRICATING, INC. (UFAB) | First Trade Date | 07/01/2015 |
| UNIQURE B.V. (QURE) | First Trade Date | 02/05/2014 |
| UNIROYAL TECH | First Trade Date | 01/14/1994 |
| UNIROYAL TECH | First Trade Date | 09/28/1992 |
| UNISERVICE | First Trade Date | 08/04/1998 |
| UNISOURCE WLD | First Trade Date | 01/02/1997 |
| UNISYS | First Trade Date | 05/31/1984 |
| UNIT DRILLING | First Trade Date | 04/06/1979 |
| UNITED AIR | First Trade Date | 02/01/1983 |
| UNITED AMERICAN ENERGY | First Trade Date | 07/08/1980 |
| UNITED AUTO GROUP, INC. | First Trade Date | 10/23/1996 |
| UNITED BANCORP | First Trade Date | 03/01/1993 |
| UNITED BANCORP ALASKA | First Trade Date | 05/05/1983 |
| UNITED BANKERS | First Trade Date | 04/22/1982 |
| UNITED BANKSHARES | First Trade Date | 05/29/1987 |
| UNITED CABLE TV DENVER | First Trade Date | 10/29/1981 |
| UNITED COMMUNITY FINANCIAL CORP. | First Trade Date | 07/09/1998 |
| UNITED DEFENSE INDUSTRIES, INC. | First Trade Date | 12/14/2001 |
| UNITED ED AND SFTWRE | First Trade Date | 12/07/1982 |
| UNITED ENERGY TECH | First Trade Date | 12/01/1982 |
| UNITED FED. SAVING | First Trade Date | 11/04/1983 |
| UNITED FINANCIAL | First Trade Date | 09/23/1986 |
| UNITED FINANCIAL | First Trade Date | 12/11/1998 |
| UNITED FINANCIAL HO | First Trade Date | 12/11/1998 |
| UNITED FIRE & CASUALTY | First Trade Date | 07/07/1971 |
| UNITED FIRST FEDERAL | First Trade Date | 06/01/1983 |
| UNITED HEALTH | First Trade Date | 10/10/1991 |
| UNITED HEALTHCARE | First Trade Date | 10/17/1984 |
| UNITED HERITAGE | First Trade Date | 10/09/1981 |
| UNITED INVESTORS | First Trade Date | 03/10/1998 |
| UNITED MEDICAL | First Trade Date | 06/25/1981 |
| UNITED MOBILE | First Trade Date | 01/05/1994 |
| UNITED MUTUAL S&L | First Trade Date | 05/25/1983 |
| UNITED NATIONAL BANC | First Trade Date | 09/02/1971 |
| UNITED NATIONAL GROUP, LTD. | First Trade Date | 12/16/2003 |
| UNITED NATURAL FOODS, INC. | First Trade Date | 11/01/1996 |
| UNITED NEWS & MEDIA | First Trade Date | 08/28/1987 |
| UNITED PANAM FINANCIAL CORP. | First Trade Date | 04/24/1998 |
| UNITED PARCEL SERVICE, INC. | First Trade Date | 11/10/1999 |
| UNITED PAYORS | First Trade Date | 07/02/1996 |
| UNITED PERFORMANCE | First Trade Date | 02/05/1981 |
| UNITED PETROSEARCH | First Trade Date | 08/24/1979 |
| UNITED RENTALS, INC. | First Trade Date | 12/18/1997 |
| UNITED RETAIL | First Trade Date | 03/11/1992 |
| UNITED ROAD SVS | First Trade Date | 05/01/1998 |
| UNITED SECURITY BANC | First Trade Date | 05/05/1995 |
| UNITED SHIPPING | First Trade Date | 05/29/1996 |
| UNITED SOFTWARE IND. | First Trade Date | 10/02/1984 |
| UNITED STATES AIRCRAFT | First Trade Date | 06/23/1981 |
| UNITED STATES OIL | First Trade Date | 05/28/1981 |
| UNITED STATIONERS | First Trade Date | 11/24/1981 |
| UNITED SURGICAL PARTNERS INTERNATIONAL, INC. | First Trade Date | 06/08/2001 |
| UNITED TECHNOLOGIES | First Trade Date | 09/05/1934 |
| UNITED TELECOM. | First Trade Date | 04/24/1979 |
| UNITED TELEVISION | First Trade Date | 06/08/1981 |
| UNITED TENN BANC | First Trade Date | 01/05/1998 |
| UNITED THERAPEUTICS CORPORATION | First Trade Date | 06/17/1999 |
| UNITED TRUST GP | First Trade Date | 06/15/1990 |
| UNITED UTILITIES (NYSE TR) | First Trade Date | 01/29/1998 |
| UNITEDGLOBALCOM | First Trade Date | 07/22/1993 |
| UNITEDGLOBALCOM | First Trade Date | 12/15/1999 |
| UNITEL VIDEO | First Trade Date | 05/29/1981 |
| UNITRIN | First Trade Date | 04/23/1990 |
| UNITY BANC | First Trade Date | 09/21/1998 |
| UNITY BIOTECHNOLOGY, INC. (UBX) | First Trade Date | 05/03/2018 |
| UNITY SOFTWARE INC. (U) | First Trade Date | 09/18/2020 |
| UNIV COMMUNICATION | First Trade Date | 12/15/1980 |
| UNIV. DEVELOPMENT | First Trade Date | 10/26/1983 |
| UNIV. MEDICAL BLDGS. | First Trade Date | 07/26/1984 |
| UNIV. TRADING EXCHANGE | First Trade Date | 12/02/1983 |
| UNIVAR INC. (UNVR) | First Trade Date | 06/18/2015 |
| UNIVEC INC | First Trade Date | 04/24/1997 |
| UNIVERSAL ACCESS GLOBAL HOLDINGS INC. | First Trade Date | 03/17/2000 |
| UNIVERSAL AMERICAN | First Trade Date | 05/12/1983 |
| UNIVERSAL AUTO | First Trade Date | 12/15/1994 |
| UNIVERSAL COMPRESSION HOLDINGS, INC. | First Trade Date | 05/24/2000 |
| UNIVERSAL COMPRESSION PARTNERS, L.P. (UCLP) | First Trade Date | 10/17/2006 |
| UNIVERSAL DISPLAY | First Trade Date | 04/11/1996 |
| UNIVERSAL ELEC | First Trade Date | 02/12/1993 |
| UNIVERSAL FOODS | First Trade Date | 11/15/1979 |
| UNIVERSAL FOREST | First Trade Date | 11/10/1993 |
| UNIVERSAL FURNITURE | First Trade Date | 10/05/1983 |
| UNIVERSAL HEALTH SVCS. | First Trade Date | 07/09/1981 |
| UNIVERSAL HOLDING | First Trade Date | 05/12/1983 |
| UNIVERSAL MARINE | First Trade Date | 02/09/1983 |
| UNIVERSAL MFG | First Trade Date | 02/28/1994 |
| UNIVERSAL MONEY | First Trade Date | 08/25/1982 |
| UNIVERSAL MONEY CTR. | First Trade Date | 09/28/1983 |
| UNIVERSAL OUTDOOR | First Trade Date | 07/23/1996 |
| UNIVERSAL POWER GROUP, INC. (UPG) | First Trade Date | 12/21/2006 |
| UNIVERSAL STAINLESS | First Trade Date | 12/14/1994 |
| UNIVERSAL TECHNICAL INSTITUTE, INC. | First Trade Date | 12/17/2003 |
| UNIVERSAL TRUCKLOAD SERVICES, INC. (UACL) | First Trade Date | 02/11/2005 |
| UNIVERSE PHARMACEUTICALS INC (UPC) | First Trade Date | 03/23/2021 |
| UNIVERSITY BANC | First Trade Date | 06/08/1987 |
| UNIVERSITY GENETICS | First Trade Date | 05/10/1983 |
| UNIVERSITY OF PHOENIX ONLINE | First Trade Date | 09/28/2000 |
| UNIVIEW TECH | First Trade Date | 11/08/1993 |
| UNIVISION COMMUNICATIONS INC. | First Trade Date | 09/27/1996 |
| UNOCAL | First Trade Date | 04/26/1983 |
| UNOVA (NYSE S/O) | First Trade Date | 10/21/1997 |
| UNUM CORP | First Trade Date | 11/06/1986 |
| UNUM THERAPEUTICS INC. (UMRX) | First Trade Date | 03/29/2018 |
| UOL PUBLISHING | First Trade Date | 11/26/1996 |
| UP FINTECH HOLDING LIMITED (TIGR) | First Trade Date | 03/20/2019 |
| UP-RIGHT | First Trade Date | 05/21/1980 |
| UPJOHN | First Trade Date | 01/05/1959 |
| UPLAND SOFTWARE, INC. (UPLD) | First Trade Date | 11/06/2014 |
| UPROAR | First Trade Date | 03/17/2000 |
| UPSTART HOLDINGS, INC. (UPST) | First Trade Date | 12/16/2020 |
| UPWORK INC. (UPWK) | First Trade Date | 10/03/2018 |
| URBAN & OUTFITTERS (BM) | First Trade Date | 11/10/1993 |
| URBAN OUTFITTERS IURBN (NQ) | First Trade Date | 11/09/1993 |
| URBAN SHOP | First Trade Date | 10/07/1993 |
| URBAN-GRO, INC. (UGRO) | First Trade Date | 01/13/2021 |
| URGENT CARE CENTERS | First Trade Date | 02/18/1983 |
| URO QUEST MEDICAL CORP | First Trade Date | 10/25/1996 |
| UROCOR | First Trade Date | 05/17/1996 |
| UROGEN PHARMA LTD. (URGN) | First Trade Date | 05/04/2017 |
| UROLOGIX | First Trade Date | 05/30/1996 |
| UROMED | First Trade Date | 03/10/1994 |
| UROVANT SCIENCES LTD. (UROV) | First Trade Date | 09/27/2018 |
| URSUS TELE | First Trade Date | 05/13/1998 |
| US AGGREGATES | First Trade Date | 08/13/1999 |
| US AUTOMOTIVE | First Trade Date | 06/18/1992 |
| US BANC | First Trade Date | 05/07/1984 |
| US BANCP | First Trade Date | 02/05/1971 |
| US BIOENERGY CORPORATION (USBE) | First Trade Date | 12/15/2006 |
| US DIAGNOSTIC | First Trade Date | 10/20/1994 |
| US ENERG | First Trade Date | 02/12/1975 |
| US ENERGY SYS | First Trade Date | 12/03/1996 |
| US FOODS HOLDING CORP. (USFD) | First Trade Date | 05/26/2016 |
| US FRANCHISE | First Trade Date | 10/25/1996 |
| US GLOBAL INV | First Trade Date | 04/24/1985 |
| US HEALTHCARE | First Trade Date | 02/09/1983 |
| US HOME | First Trade Date | 07/06/1971 |
| US HOME & GARDEN | First Trade Date | 03/26/1992 |
| US LEC CORP. | First Trade Date | 04/24/1998 |
| US LIQUIDS | First Trade Date | 08/02/1997 |
| US LIQUIDS | First Trade Date | 08/20/1997 |
| US OFFICE PROD | First Trade Date | 06/10/1998 |
| US ONCOLOGY | First Trade Date | 06/13/1995 |
| US ONLINE | First Trade Date | 07/28/1998 |
| US PAWN | First Trade Date | 05/10/1989 |
| US PHYSICAL THERAPY | First Trade Date | 05/28/1992 |
| US PLASTIC LUMBER | First Trade Date | 06/25/1998 |
| US SEARCH.COM | First Trade Date | 06/25/1999 |
| US SHOE | First Trade Date | 09/17/1956 |
| US SURGICAL | First Trade Date | 12/09/1987 |
| US TIMBERLANDS | First Trade Date | 11/14/1997 |
| US UNWIRED | First Trade Date | 05/18/2000 |
| US VACATION RESORTS | First Trade Date | 12/13/1983 |
| US VISION | First Trade Date | 12/02/1997 |
| US WATS | First Trade Date | 01/21/1994 |
| US WEB | First Trade Date | 12/05/1997 |
| US WEST | First Trade Date | 01/02/1984 |
| US WIRELESS | First Trade Date | 06/14/1994 |
| US XPRESS ENTERPR | First Trade Date | 10/06/1994 |
| US XPRESS ENTERPRISES INC (USX) | First Trade Date | 06/14/2018 |
| US-CHINA IND | First Trade Date | 08/18/1994 |
| USA COMPRESSION PARTNERS, LP (USAC) | First Trade Date | 01/15/2013 |
| USA DETERGENTS | First Trade Date | 08/08/1995 |
| USA FLORAL PROD | First Trade Date | 10/10/1997 |
| USA MOBILE | First Trade Date | 02/02/1994 |
| USA NETWORKS | First Trade Date | 06/18/1993 |
| USA NETWORKS | First Trade Date | 01/19/1993 |
| USA TRUCK | First Trade Date | 03/19/1992 |
| USABANCSHARES.COM | First Trade Date | 01/19/1996 |
| USANA USNA (NQ) | First Trade Date | 07/25/1996 |
| USANA-USNA (BM) | First Trade Date | 07/26/1996 |
| USBANCORP | First Trade Date | 04/29/1998 |
| USBANCORP | First Trade Date | 01/30/1985 |
| USCF FUNDS TRUST (USOD) | First Trade Date | 07/20/2017 |
| USCF FUNDS TRUST (USOU) | First Trade Date | 07/20/2017 |
| USD PARTNERS LP (USDP) | First Trade Date | 10/09/2014 |
| USDATA | First Trade Date | 06/19/1995 |
| USEC INC. | First Trade Date | 07/23/1998 |
| USF&G | First Trade Date | 10/01/1981 |
| USFREIGHTWAYS | First Trade Date | 02/13/1992 |
| USG CORP | First Trade Date | 01/02/1985 |
| USHG ACQUISITION CORP. (HUGSU) | First Trade Date | 02/25/2021 |
| USINTERNETWORKING | First Trade Date | 04/09/1999 |
| USN COMM | First Trade Date | 02/04/1998 |
| USP REIT | First Trade Date | 05/06/1991 |
| UST | First Trade Date | 05/06/1987 |
| USX MARATHON | First Trade Date | 05/07/1991 |
| UTAH MEDICAL | First Trade Date | 03/08/2000 |
| UTAH MEDICAL | First Trade Date | 12/01/1982 |
| UTD. FIN'L BANKING | First Trade Date | 12/06/1983 |
| UTD. OKLAHOMA BANK. | First Trade Date | 10/14/1983 |
| UTD. SOFTWARE IND. | First Trade Date | 10/02/1984 |
| UTI WORLDWIDE INC. | First Trade Date | 11/02/2000 |
| UTILITY VERIFICATION | First Trade Date | 09/30/1977 |
| UTILX | First Trade Date | 03/25/1988 |
| UTIME LIMITED (UTME) | First Trade Date | 04/06/2021 |
| UTSTARCOM, INC. | First Trade Date | 03/03/2000 |
| UXIN LIMITED (UXIN) | First Trade Date | 06/27/2018 |
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