NPORT-P false 0000076721 XXXXXXXX S000021459 C000061360 C000061361 C000128850 IMPAX FUNDS SERIES TRUST I 811-02064 0000076721 549300TD5R23SWU72456 30 Penhallow St. Suite 400 Portsmouth 03801 800-767-1729 Impax Small Cap Fund S000021459 549300GOOKRMB3XGNR17 2023-12-31 2023-06-30 N 659412930.85 3510919.64 655902011.21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 UST 8X8 INC N/A 282914100 2481799 NS USD 10498009.77 1.600545445902 Long EC CORP US N 1 N A10 NETWORKS INC N/A 002121101 425000 NS USD 6200750 0.945377494507 Long EC CORP US N 1 N N N ADVANCED DRAINAGE SYSTEMS IN N/A 00790R104 69433 NS USD 7900086.74 1.204461429448 Long EC CORP US N 1 N N N ALTUS GROUP LTD N/A 02215R958 192910 NS 6397083.45 0.97531084532 Long EC CORP CA N 1 N N N AMEDISYS INC N/A 023436108 70000 NS USD 6400800 0.975877477215 Long EC CORP US N 1 N N N AXONICS INC N/A 05465P101 214525 NS USD 10827076.75 1.650715589365 Long EC CORP US N 1 N N N AZEK CO INC/THE N/A 05478C105 259349 NS USD 7855681.21 1.197691282499 Long EC CORP US N 1 N N N BELDEN INC N/A 077454106 172500 NS USD 16499625 2.515562495313 Long EC CORP US N 1 N N N BJ S WHOLESALE CLUB HOLDINGS N/A 05550J101 154955 NS USD 9763714.55 1.488593476332 Long EC CORP US N 1 N N N BRIGHTSPHERE INVESTMENT GROU N/A 10948W103 873818 NS USD 18306487.1 2.79103993998 Long EC CORP US N 1 N N N CARTER S INC N/A 146229109 89826 NS USD 6521367.6 0.994259430303 Long EC CORP US N 1 N CHEMED CORP N/A 16359R103 9000 NS USD 4875030 0.743255839543 Long EC CORP US N 1 N N N CIENA CORP N/A 171779309 253064 NS USD 10752689.36 1.63937435413 Long EC CORP US N 1 N N N COLUMBIA SPORTSWEAR CO N/A 198516106 75515 NS USD 5832778.6 0.889275913218 Long EC CORP US N 1 N N N CRYOPORT INC N/A 229050307 637375 NS USD 10994718.75 1.67627459012 Long EC CORP US N 1 N DARLING INGREDIENTS INC N/A 237266101 218294 NS USD 13924974.26 2.123026614038 Long EC CORP US N 1 N N N DECKERS OUTDOOR CORP N/A 243537107 12557 NS USD 6625826.62 1.010185440319 Long EC CORP US N 1 N N N DYCOM INDUSTRIES INC N/A 267475101 84000 NS USD 9546600 1.455491801647 Long EC CORP US N 1 N N N EASTERN BANKSHARES INC N/A 27627N105 490000 NS USD 6012300 0.916646068657 Long EC CORP US N 1 N N N ELEMENT SOLUTIONS INC N/A 28618M106 461946 NS USD 8869363.2 1.352239061386 Long EC CORP US N 1 N N N ENOVIS CORP N/A 194014502 210630 NS USD 13505595.6 2.059087389454 Long EC CORP US N 1 N N N ENPRO INDUSTRIES INC N/A 29355X107 70000 NS USD 9347100 1.425075672928 Long EC CORP US N 1 N N N ENVISTA HOLDINGS CORP N/A 29415F104 235000 NS USD 7952400 1.212437203132 Long EC CORP US N 1 N N N EXTREME NETWORKS INC N/A 30226D106 400178 NS USD 10424636.9 1.589358886211 Long EC CORP US N 1 N N N FOX FACTORY HOLDING CORP N/A 35138V102 67747 NS USD 7351226.97 1.120781282015 Long EC CORP US N 1 N N N GATES INDUSTRIAL CORP PLC N/A G39108108 1227713 NS USD 16549571.24 2.523177388871 Long EC CORP US N 1 N N N GRAPHIC PACKAGING HOLDING CO N/A 388689101 718585 NS USD 17267597.55 2.632648971169 Long EC CORP US N 1 N N N HEALTH CATALYST INC N/A 42225T107 1154475 NS USD 14430937.5 2.200166679376 Long EC CORP US N 1 N N N HEALTHCARE REALTY TRUST INC N/A 42226K105 906352 NS USD 17093798.72 2.606151289042 Long RE RF US N 1 N N N HERC HOLDINGS INC N/A 42704L104 65000 NS USD 8895250 1.356185809461 Long EC CORP US N 1 N N N HURON CONSULTING GROUP INC N/A 447462102 194000 NS USD 16472540 2.511433067511 Long EC CORP US N 1 N N N INDEPENDENT BANK CORP/MA N/A 453836108 150000 NS USD 6676500 1.017911194949 Long EC CORP US N 1 N N N LESLIE S INC N/A 527064109 522284 NS USD 4904246.76 0.747710279307 Long EC CORP US N 1 N LIGAND PHARMACEUTICALS N/A 53220K504 159320 NS USD 11486972 1.751324405731 Long EC CORP US N 1 N N N MITEK SYSTEMS INC N/A 606710200 449555 NS USD 4873176.2 0.742973205862 Long EC CORP US N 1 N N N MSA SAFETY INC N/A 553498106 50089 NS USD 8713482.44 1.328473200429 Long EC CORP US N 1 N N N NATIONAL VISION HOLDINGS INC N/A 63845R107 255669 NS USD 6210200.01 0.946818260024 Long EC CORP US N 1 N N N NEUROCRINE BIOSCIENCES INC N/A 64125C109 200000 NS USD 18860000 2.87542951198 Long EC CORP US N 1 N N N OMNIAB INC N/A 68218J103 1148184 NS USD 5775365.52 0.880522611807 Long EC CORP US N 1 N N N OMNIAB INC 12.50 EARNOUT N/A 68218J202 88856 NS USD 0 0 Long EC CORP US N 1 N N N OMNIAB INC 15.00 EARNOUT N/A 68218J301 88856 NS USD 0 0 Long EC CORP US N 1 N N N ONTO INNOVATION INC N/A 683344105 137557 NS USD 16021263.79 2.442630685099 Long EC CORP US N 1 N N N OPTION CARE HEALTH INC N/A 68404L201 475000 NS USD 15432750 2.352904814475 Long EC CORP US N 1 N N N PACIRA BIOSCIENCES INC N/A 695127100 200027 NS USD 8015081.89 1.221993796789 Long EC CORP US N 1 N N N PLANET FITNESS INC CL A N/A 72703H101 134271 NS USD 9055236.24 1.380577599281 Long EC CORP US N 1 N N N PRESTIGE CONSUMER HEALTHCARE N/A 74112D101 170000 NS USD 10103100 1.540336792284 Long EC CORP US N 1 N N N QUINSTREET INC N/A 74874Q100 1129918 NS USD 9977175.94 1.521138183674 Long EC CORP US N 1 N N N RAYONIER INC N/A 754907103 438223 NS USD 13760202.2 2.097905169496 Long RE RF US N 1 N N N SI BONE INC N/A 825704109 350343 NS USD 9452254.14 1.441107662189 Long EC CORP US N 1 N N N SIMPLY GOOD FOODS CO/THE N/A 82900L102 258620 NS USD 9462905.8 1.442731633425 Long EC CORP US N 1 N N N SPROUT SOCIAL INC CLASS A N/A 85209W109 148724 NS USD 6865099.84 1.046665465675 Long EC CORP US N 1 N SSC GOVERNMENT MM GVMXX N/A 7839989D1 29255881.33 NS USD 29255881.33 4.460404272283 Long STIV CORP US N 1 N N N STERICYCLE INC N/A 858912108 282906 NS USD 13138154.64 2.00306668 Long EC CORP US N 1 N N N TECHTARGET N/A 87874R100 132583 NS USD 4127308.79 0.629256919397 Long EC CORP US N 1 N N N TERRENO REALTY CORP N/A 88146M101 100000 NS USD 6010000 0.916295406522 Long RE RF US N 1 N N N UFP TECHNOLOGIES INC N/A 902673102 33000 NS USD 6397050 0.975305745472 Long EC CORP US N 1 N N N US FOODS HOLDING CORP N/A 912008109 210000 NS USD 9240000 1.408747014353 Long EC CORP US N 1 N N N VERRA MOBILITY CORP N/A 92511U102 418661 NS USD 8255994.92 1.258723830526 Long EC CORP US N 1 N VERTIV HOLDINGS CO N/A 92537N108 411461 NS USD 10191888.97 1.553873718301 Long EC CORP US N 1 N N N VICTORY CAPITAL HOLDING A N/A 92645B103 800000 NS USD 25232000 3.84691608941 Long EC CORP US N 1 N N N VISTEON CORP N/A 92839U206 42500 NS USD 6103425 0.930539150008 Long EC CORP US N 1 N N N VOYA FINANCIAL INC N/A 929089100 341040 NS USD 24455978.4 3.728602440917 Long EC CORP US N 1 N N N WORKIVA INC N/A 98139A105 136086 NS USD 13834502.76 2.109233166472 Long EC CORP US N 1 N N N 2023-08-29 IMPAX FUNDS SERIES TRUST I /s/ Alicia DuBois Alicia DuBois Treasurer