0001428948-12-000004.txt : 20120514 0001428948-12-000004.hdr.sgml : 20120514 20120514115635 ACCESSION NUMBER: 0001428948-12-000004 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120331 FILED AS OF DATE: 20120514 DATE AS OF CHANGE: 20120514 EFFECTIVENESS DATE: 20120514 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: 12837292 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: -March 31 2012 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 May 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: 39 ----------- Form 13F Information Table Value Total: $604869 ----------- (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 1436 64202 S S Aegion Corp Common 457667103 845 47400 S S Agilent Technologies Common 00846U101 3416 76700 S S Air Products Common 009158106 5417 58700 S S American Water Works Common 030420103 6362 186950 S S Aqua America Inc Common 03826W103 2349 105400 S S Badger Meter Common 056525108 23336 686567 S S Clarcor Inc Common 179895107 31879 649407 S S Clean Harbors Inc Common 184496107 34686 515164 S S Cooper Industries Common 216648402 3102 48328 S S Cree Inc Common 225447101 7755 249190 S S Danaher Corp Common 235851102 6447 115080 S S Ecolab Inc Common 278865100 28436 459548 S S Emerson Electric Co. Common 291011104 3892 74579 S S Franklin Electric Co Inc Common 353514102 7826 159485 S S ICF International Inc Common 44925C103 13532 533372 S S Idex Corp Common 45167R104 2837 67334 S S Itron Inc Common 465741106 39828 877076 S S Johnson Controls inc Common 478366107 5166 158400 s S LKQ Corp Common 501889208 41545 1332854 S S Metalico Inc Common 591176102 5652 1323708 S S Ormat Technologies Inc Common 686688102 24048 1193441 S S Pall Corp Common 696429307 35325 592407 S S Pentair Inc. Common 709631105 31423 660000 s S Perkinelmer Inc. Common 714046109 5284 191042 S S Power Integrations Inc Common 739276103 24774 667398 S S Regal Beloit Common 758750103 44536 677901 S S Republic services Inc Common 760759100 3922 127655 S S Rogers Corp Common 775133101 1573 40600 S S Roper Industries Inc Common 776696106 2893 29175 S S Semileds Corp. Common 816645105 3707 931380 S S Sims Group Common 829160100 29812 1943137 S S Stericycle Inc Common 858912108 25902 309688 S S Sunpower Corp class B Common 867652307 4698 736433 S S Tetra Tech Inc Common 88162G103 28811 1092987 S S Thermo Fisher Scientific Inc Common 883556102 5811 102863 S S Watts Water Technologies-A Common 942749102 36675 899991 S S Xylem Inc Common 98419M100 19469 701600 S S