0001428948-12-000001.txt : 20120214 0001428948-12-000001.hdr.sgml : 20120214 20120214095848 ACCESSION NUMBER: 0001428948-12-000001 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111231 FILED AS OF DATE: 20120214 DATE AS OF CHANGE: 20120214 EFFECTIVENESS DATE: 20120214 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: 12603300 BUSINESS ADDRESS: STREET 1: NORFOLK HOUSE STREET 2: 31 ST JAMES'S SQUARE CITY: LONDON STATE: X0 ZIP: SW1Y 4JR BUSINESS PHONE: 0044 20 7434 1122 MAIL ADDRESS: STREET 1: NORFOLK HOUSE STREET 2: 31 ST JAMES'S SQUARE CITY: LONDON STATE: X0 ZIP: SW1Y 4JR 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: -December 31 2011 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: Norfolk House 31 St James's Square London SW1Y 4JR 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 14 February 2012 - ----------------------- ------------ ----------------- [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: 36 ----------- Form 13F Information Table Value Total: $573095 ----------- (thousands) List of Other Included Managers: ISSUER CLASS CUSIP VALUE SH/PRN PUT/ INV OTHER VOTING AUTH '000s CALL DISCRETION MGRS SOLE Aecom Tech Common 00766T100 1277 62102 S S Aegion Corp Common 457667103 543 35400 S S Air Products Common 009158106 4453 52000 S S American Water Works Common 030420103 6256 196350 S S Aqua America Inc Common 03826W103 2412 109400 S S Badger Meter Common 056525108 21412 727567 S S Clarcor Inc Common 179895107 36875 737647 S S Clean Harbors Inc Common 184496107 40302 632384 S S Cooper Industries Common 216648402 3025 55628 S S Danaher Corp Common 235851102 3675 78080 S S Ecolab Inc Common 278865100 26303 453868 S S Emerson Electric Co. Common 291011104 3470 74479 S S ICF International Inc Common 44925C103 16476 664901 S S Idex Corp Common 45167R104 2271 61200 S S Itron Inc Common 465741106 28812 805476 S S Johnson Controls inc Common 478366107 3674 117000 s S LKQ Corp Common 501889208 46920 1559834 S S Metalico Inc Common 591176102 7388 2245718 S S Ormat Technologies Inc Common 686688102 22073 1224252 S S Pall Corp Common 696429307 51237 896537 S S Pentair Inc. Common 709631105 25717 772500 s S Perkinelmer Inc. Common 714046109 5157 257842 S S Power Integrations Inc Common 739276103 22844 688898 S S Regal Beloit Common 758750103 40906 800261 S S Republic services Inc Common 760759100 3167 114255 S S Rogers Corp. Common 775133101 1076 29200 S S Roper Industries Inc Common 776696106 4472 51475 S S Semileds Corp. Common 816645105 3558 1043435 S S Sims Group Common 829160100 27493 2139537 S S Stericycle Inc Common 858912108 25058 321588 S S Sunpower Corp class B Common 867652307 4663 748433 S S Tetra Tech Inc Common 88162G103 24371 1128787 S S Thermo Fisher Scientific Inc Common 883556102 6195 137763 S S Watts Water Technologies-A Common 942749102 29745 869491 S S Xylem Inc Common 98419M100 15987 622300 S S 3M Co Common 88579Y101 3832 46884 S S