NPORT-P false 0000076721 XXXXXXXX S000055846 C000175865 C000175864 IMPAX FUNDS SERIES TRUST I 811-02064 0000076721 549300TD5R23SWU72456 30 Penhallow St., Suite 100 Portsmouth 03801 603-431-8022 Impax Global Sustainable Infrastructure Fund S000055846 549300M7V6OFRLWL5549 2025-12-31 2025-03-31 N 94413781.84 124106.40 94289675.44 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 193436.43000000 N Waste Management, Inc. 549300YX8JIID70NFS41 94106L109 17532.00000000 NS USD 4058833.32000000 4.304642370502 Long EC CORP US N 1 N N N Vodacom Group Ltd. 37890012A8DC24B8D663 N/A 282735.00000000 NS 1942238.71000000 2.059863607480 Long EC CORP ZA N 2 N N N AECOM 0EEB8GF0W0NPCIHZX097 00766T100 14127.00000000 NS USD 1309996.71000000 1.389332081043 Long EC CORP US N 1 N N N Keppel DC REIT N/A N/A 1011400.00000000 NS 1611172.80000000 1.708747848034 Long EC CORP SG N 2 N N N Northland Power, Inc. 8945002IJ77NEBK48M81 666511100 206995.00000000 NS 2829360.79000000 3.000711134911 Long EC CORP CA N 1 N N N KLA Corp. 549300H0BF5JCG96TJ81 482480100 3409.00000000 NS USD 2317438.20000000 2.457785742909 Long EC CORP US N 1 N N N NextEra Energy, Inc. 254900RHL9MEUS5NKX63 65339F101 36321.00000000 NS USD 2574795.69000000 2.730729189579 Long EC CORP US N 1 N N N Sika AG 549300R3N69ECGYPU434 N/A 4463.00000000 NS 1087116.58000000 1.152953995150 Long EC CORP CH N 2 N N N Elisa OYJ 743700TU2S3DXWGU7H32 N/A 70369.00000000 NS 3430137.19000000 3.637871457286 Long EC CORP FI N 1 N N N Digital Realty Trust, Inc. 549300HKCZ31D08NEI41 253868103 12413.00000000 NS USD 1778658.77000000 1.886377020283 Long EC CORP US N 1 N N N Legal & General Group plc 213800JH9QQWHLO99821 N/A 407322.00000000 NS 1284546.58000000 1.362340652893 Long EC CORP GB N 2 N N N Hydro One Ltd. 5493007QZDXTP1W2VL44 448811208 49339.00000000 NS 1659090.52000000 1.759567537228 Long EC CORP CA Y 1 N N N Severn Trent plc 213800RPBXRETY4A4C59 N/A 95674.00000000 NS 3132158.78000000 3.321847026605 Long EC CORP GB N 2 N N N Koninklijke KPN NV 549300YO0JZHAL7FVP81 N/A 568779.00000000 NS 2409154.02000000 2.555056010912 Long EC CORP NL N 2 N N N Schneider Electric SE 969500A1YF1XUYYXS284 N/A 5611.00000000 NS 1295273.52000000 1.373717232513 Long EC CORP FR N 2 N N N Trane Technologies plc 549300BURLR9SLYY2705 N/A 3153.00000000 NS USD 1062308.76000000 1.126643776259 Long EC CORP IE N 1 N N N American Water Works Co., Inc. 549300DXHIJQMD5WFW18 030420103 19586.00000000 NS USD 2889326.72000000 3.064308691823 Long EC CORP US N 1 N N N Iberdrola SA 5QK37QC7NWOJ8D7WVQ45 N/A 180682.00000000 NS 2917668.45000000 3.094366839619 Long EC CORP ES N 2 N N N Otis Worldwide Corp. 549300ZLBKR8VSU25153 68902V107 14094.00000000 NS USD 1454500.80000000 1.542587556073 Long EC CORP US N 1 N N N Chemed Corp. 54930020031IDJT2IM79 16359R103 5447.00000000 NS USD 3351648.04000000 3.554628886311 Long EC CORP US N 1 N N N Clean Harbors, Inc. 5493000SJVZVZJKHJF48 184496107 11871.00000000 NS USD 2339774.10000000 2.481474338607 Long EC CORP US N 1 N N N United Utilities Group plc 2138002IEYQAOC88ZJ59 N/A 149974.00000000 NS 1956856.52000000 2.075366694039 Long EC CORP GB N 2 N N N JPMorgan Prime Money Market Fund N/A N/A 825499.51000000 NS USD 825499.51000000 0.875493001909 Long STIV RF US N 1 N N N National Grid plc 8R95QZMKZLJX5Q2XR704 N/A 271279.00000000 NS 3538625.67000000 3.752930162806 Long EC CORP GB N 2 N N N KDDI Corp. 5299003FU7V4I45FU310 N/A 141800.00000000 NS 2239824.27000000 2.375471396574 Long EC CORP JP N 2 N N N Voltronic Power Technology Corp. N/A N/A 29000.00000000 NS 1356106.36000000 1.438234200798 Long EC CORP TW N 2 N N N Veolia Environnement SA 969500LENY69X51OOT31 N/A 105150.00000000 NS 3616300.05000000 3.835308620084 Long EC CORP FR N 2 N N N Welltower, Inc. 254900F33BIAR82QTA19 95040Q104 24162.00000000 NS USD 3701860.02000000 3.926050230553 Long EC CORP US N 1 N N N Nemetschek SE 529900R0S2IX1S358J38 N/A 9159.00000000 NS 1067720.12000000 1.132382856359 Long EC CORP DE N 2 N N N Hubbell, Inc. 54930088VDQ6840Y6597 443510607 4680.00000000 NS USD 1548658.80000000 1.642447906171 Long EC CORP US N 1 N N N Microsoft Corp. INR2EJN1ERAN0W5ZP974 594918104 4185.00000000 NS USD 1571007.15000000 1.666149705860 Long EC CORP US N 1 N N N Orsted A/S W9NG6WMZIYEU8VEDOG48 N/A 33251.00000000 NS 1452108.33000000 1.540050194492 Long EC CORP DK Y 2 N N N Prologis, Inc. 529900DFH19P073LZ636 74340W103 20963.00000000 NS USD 2343453.77000000 2.485376854957 Long EC CORP US N 1 N N N Waste Connections, Inc. 549300HDLRTPBQU69P29 94106B101 17581.00000000 NS USD 3431635.39000000 3.639460390532 Long EC CORP CA N 1 N N N Union Pacific Corp. 549300LMMRSZZCZ8CL11 907818108 6000.00000000 NS USD 1417440.00000000 1.503282298285 Long EC CORP US N 1 N N N Tele2 AB 213800EKD193RVI9HL76 N/A 179925.00000000 NS 2426315.06000000 2.573256349306 Long EC CORP SE N 1 N N N Cia de Saneamento Basico do Estado de Sao Paulo SABESP 254900UOXRZRS2TNWP19 20441A102 94812.00000000 NS USD 1693342.32000000 1.795893677752 Long EC CORP BR N 1 N N N Canadian Pacific Kansas City Ltd. N/A 13646K108 31954.00000000 NS 2242475.56000000 2.378283252684 Long EC CORP CA N 1 N N N Spirax Group plc 213800WFVZQMHOZP2W17 N/A 15389.00000000 NS 1240565.32000000 1.315695821637 Long EC CORP GB N 2 N N N American Tower Corp. 5493006ORUSIL88JOE18 03027X100 15351.00000000 NS USD 3340377.60000000 3.542675891514 Long EC CORP US N 1 N N N SSE plc 549300KI75VYLLMSK856 N/A 139020.00000000 NS 2863586.08000000 3.037009159950 Long EC CORP GB N 2 N N N Hannover Rueck SE 529900KIN5BE45V5KB18 N/A 3534.00000000 NS 1053336.32000000 1.117127951798 Long EC CORP DE N 2 N N N Linde plc 5299003QR1WT0EF88V51 N/A 4619.00000000 NS USD 2150791.16000000 2.281046307523 Long EC CORP IE N 1 N N N 2025-04-30 IMPAX FUNDS SERIES TRUST I Daniel Saltus Daniel Saltus Treasurer XXXX