-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, CqOxT839JhEdwqkq6cukjucVgrUI0QfhaW02M62/v7EaV6XdOPLWx+SF9aop4qw7 +tmUkG1/7ZvqnmgWskQMVQ== 0001428948-10-000006.txt : 20101117 0001428948-10-000006.hdr.sgml : 20101117 20101117104615 ACCESSION NUMBER: 0001428948-10-000006 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100930 FILED AS OF DATE: 20101117 DATE AS OF CHANGE: 20101117 EFFECTIVENESS DATE: 20101117 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Impax Asset Management LTD CENTRAL INDEX KEY: 0001428948 IRS NUMBER: 000000000 STATE OF INCORPORATION: X0 FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-13410 FILM NUMBER: 101198619 BUSINESS ADDRESS: STREET 1: MEZZANINE FLOOR PEGASUS HOUSE STREET 2: 37 - 43 SACKVILLE STREET CITY: LONDON STATE: X0 ZIP: W1S 3EH BUSINESS PHONE: 0044 20 7434 1122 MAIL ADDRESS: STREET 1: MEZZANINE FLOOR PEGASUS HOUSE STREET 2: 37 - 43 SACKVILLE STREET CITY: LONDON STATE: X0 ZIP: W1S 3EH 13F-HR 1 form13f.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F-HR Form 13F COVER PAGE Report for the Calendar Year of Quarter Ended: September 30, 2010 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Impax Asset Management Limited Address: Mezzanine Floor Pegasus House 37-43 Sackville Street London W1S 3EH UNITED KINGDOM Form 13F File Number: The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Michael Knight Title: Chief Compliance Officer Phone: 44(0)207 7432 2626 Signature, Place, and Date of Signing: M B Knight London United Kingdom 15 November 2010 - - ----------------------- ------------ ----------------- [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 ----------- Form 13F Information Table Entry Total: 39 ----------- Form 13F Information Table Value Total: $573074 ----------- (thousands) List of Other Included Managers: ISSUER CLASS CUSIP VALUE SH/PRN PUT/ INV OTHER VOTING AUTH '000s CALL DISCRETION MGRS SOLE Active Power Inc Common 00504W100 6534 4912685 S S American Water Works Common 030420103 1216 52250 S S Aqua America Inc Common 03826W103 1110 54400 S S Badger Meter Common 056525108 23348 576767 S S Baldor Electric Common 057741100 682 16800 S S California Water Services Common 130788102 2286 61870 S S Clarcor Inc Common 179895107 29368 760241 S S Clean Harbors Inc Common 184496107 38054 561690 S S Cooper Industries Common 216648402 974 19800 S S Danaher Corp Common 235851102 1905 46880 S S Dionex Corp Common 254546104 20074 232236 S S Emerson Electric Co. Common 291011104 1417 26900 S S Headwaters Inc Common 42210P102 7254 2014884 S S ICF International Inc Common 44925C103 17372 692670 S S Idex Corp Common 45167R104 618 17400 S S Itron Inc Common 465741106 32719 534364 S S Johnson Controls inc Common 478366107 956 31200 s S LKQ Corp Common 501889208 42978 2066270 S S Mastec Inc Common 576323109 815 79000 S S Metalico Inc Common 591176102 9740 2543018 S S Mueller Water Products Inc-A Common 624758108 9932 3288726 S S Nalco Holdings Common 62985Q101 35746 1415930 S S Ormat Technologies Inc Common 686688102 30737 1053732 S S Pall corp Common 696429307 40334 968640 S S Pentair Inc. Common 709631105 29695 882990 s S Perkinelmer Inc. Common 714046109 2349 101500 S S Power Integrations Inc Common 739276103 16758 527156 S S Regal Beloit Common 758750103 34062 578690 S S Republic services Inc Common 760759100 1194 38915 S S Roper Industries Inc Common 776696106 820 12575 S S Sims Group Common 829160100 26686 1569744 S S Stericycle Inc Common 858912108 23108 332578 S S Sunpower Corp class B Common 867652307 25847 1864858 S S Tetra Tech Inc Common 88162G103 21059 1004252 S S Thermo Fisher Scientific Inc Common 883556102 2744 57300 S S URS Corp Common 903236107 893 23500 S S Watts Water Technologies-A Common 942749102 29498 866310 S S 3M Co Common 88579Y101 1153 13300 S S
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