-----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, E1HGLpHTbAk6pMx/mAsBi8nVzasQZ3jENNMMMizKMNOjELoUTVhuFSBYIJRBy2Yq 4MaYmqMZ4lvr9kKCoWq32Q== 0001428948-10-000005.txt : 20100812 0001428948-10-000005.hdr.sgml : 20100812 20100812120312 ACCESSION NUMBER: 0001428948-10-000005 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100630 FILED AS OF DATE: 20100812 DATE AS OF CHANGE: 20100812 EFFECTIVENESS DATE: 20100812 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: 101010203 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: June 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 12 August 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: 41 ----------- Form 13F Information Table Value Total: $566495 ----------- (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 4016 5148185 S S American Water Works Common 030420103 973 47250 S S Aqua America Inc Common 03826W103 891 50400 S S Badger Meter Common 056525108 17068 441147 S S Baldor Electric Common 057741100 1069 29500 S S California Water Services Common 130788102 2180 61070 S S Clarcor Inc Common 179895107 31109 875821 S S Clean Harbors Inc Common 184496107 38464 5791990 S S Cooper Industries Common 216648402 1048 23800 S S Covanta Holdings Corp. Common 22282E102 20058 1209020 S S Danaher Corp Common 235851102 1748 47070 S S Dionex Corp Common 254546104 16543 222180 S S Emerson Electric Co. Common 291011104 1591 36418 S S Headwaters Inc Common 42210P102 5114 1800540 S S ICF International Inc Common 44925C103 16290 680740 S S Idex Corp Common 45167R104 426 14900 S S Insituform Technologies Common 457667103 780 38100 S S Itron Inc Common 465741106 38807 627734 S S Johnson Controls inc Common 478366107 1547 57300 s S LKQ Corp Common 501889208 42295 2193740 S S Mastec Inc Common 576323109 1543 164100 S S Metalico Inc Common 591176102 9779 2457018 S S Mueller Water Products Inc-A Common 624758108 14086 3796636 S S Nalco Holdings Common 62985Q101 29718 1450050 S S Ormat Technologies Inc Common 686688102 35652 1260227 S S Pall corp Common 696429307 42004 1222120 S S Pentair Inc. Common 709631105 25583 794510 s S Perkinelmer Inc. Common 714046109 2865 138600 S S Polypore International Common 73179V103 21759 956880 S S Power Integrations Inc Common 739276103 14086 437526 S S Regal Beloit Common 758750103 28875 513100 S S Republic services Inc Common 760759100 1315 43951 S S Roper Industries Inc Common 776696106 597 10675 S S Sims Group Common 829160100 20871 1473974 S S Stericycle Inc Common 858912108 28618 436388 S S Sunpower Corp class B Common 867652307 18530 1715748 S S Tetra Tech Inc Common 88162G103 659 33600 S S Thermo Fisher Scientific Inc Common 883556102 2918 59500 S S URS Corp Common 903236107 1224 31100 S S Watts Water Technologies-A Common 942749102 21813 761100 S S 3M Co Common 88579Y101 1983 25100 S S
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