NPORT-P false 0001014913 XXXXXXXX S000035417 C000167328 C000108790 Frontier Funds, Inc. 811-07685 0001014913 549300TMAADQMXZCXG08 400 Skokie Blvd Suite 500 Northbrook 60062-2815 847-509-9860 Frontier MFG Core Infrastructure Fund S000035417 54930024JUVLTGGBLV83 2024-06-30 2024-03-31 N 460138286.580000000000 3039079.710000000000 457099206.870000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 0.000000000000 N PINFRA 52990035X6RK8DBUWA73 P7925L103 232288.000000000000 NS 2464911.790000000000 0.5392509444 Long EC CORP MX N 1 N N N Transurban Group 549300ZR71SUQ4VUTM79 N/A 1507045.000000000000 NS 13081084.210000000000 2.8617604261 Long EC CORP AU N 1 N N N Power Assets Holdings Ltd 254900JOWYUW1ZX4DF47 N/A 1278659.000000000000 NS 7482219.290000000000 1.6368917683 Long EC CORP HK N 1 N N N Northwestern Energy Group Inc 254900N1WG46G1VMDM34 668074305 8752.000000000000 NS USD 445739.360000000000 0.0975147962 Long EC CORP US N 1 N N N OGE Energy Corp CE5OG6JPOZMDSA0LAQ19 670837103 49066.000000000000 NS USD 1682963.800000000000 0.3681834872 Long EC CORP US N 1 N N N ONE Gas Inc 549300HXDWI0LATTX840 68235P108 12810.000000000000 NS USD 826629.300000000000 0.1808424271 Long EC CORP US N 1 N N N PNM Resources Inc 5493003JOBJGLZSDDQ28 69349H107 14776.000000000000 NS USD 556168.640000000000 0.1216735080 Long EC CORP US N 1 N N N PPL Corp 9N3UAJSNOUXFKQLF3V18 69351T106 172287.000000000000 NS USD 4743061.110000000000 1.0376436972 Long EC CORP US N 1 N N N Pinnacle West Capital Corp TWSEY0NEDUDCKS27AH81 723484101 25465.000000000000 NS USD 1902999.450000000000 0.4163208821 Long EC CORP US N 1 N N N Snam SpA 8156002278562044AF79 N/A 1981741.000000000000 NS 9355923.030000000000 2.0468036018 Long EC CORP IT N 1 N N N Portland General Electric Co GJOUP9M7C39GLSK9R870 736508847 17663.000000000000 NS USD 741846.000000000000 0.1622943092 Long EC CORP US N 1 N N N Public Service Enterprise Grou PUSS41EMO3E6XXNV3U28 744573106 114445.000000000000 NS USD 7642637.100000000000 1.6719865152 Long EC CORP US N 1 N N N SBA Communications Corp 5299001HX8ZN8Y8QIT49 78410G104 24764.000000000000 NS USD 5366358.800000000000 1.1740030872 Long EC CORP US N 1 N N N SJW Group N/A 784305104 7267.000000000000 NS USD 411239.530000000000 0.0899672377 Long EC CORP US N 1 N N N Sempra PBBKGKLRK5S5C0Y4T545 816851109 130958.000000000000 NS USD 9406713.140000000000 2.0579149993 Long EC CORP US N 1 N N N Southern Co/The 549300FC3G3YU2FBZD92 842587107 138637.000000000000 NS USD 9945818.380000000000 2.1758555321 Long EC CORP US N 1 N N N Spire Inc 549300NXSY15DRY2R511 84857L101 12582.000000000000 NS USD 772157.340000000000 0.1689255480 Long EC CORP US N 1 N N N Terna - Rete Elettrica Naziona 8156009E94ED54DE7C31 N/A 1185206.000000000000 NS 9794562.540000000000 2.1427651575 Long EC CORP IT N 1 N N N Severn Trent PLC 213800RPBXRETY4A4C59 N/A 183782.000000000000 NS 5729414.870000000000 1.2534291865 Long EC CORP GB N 1 N N N REN - Redes Energeticas Nacion 549300FR1FN48IGHR915 N/A 383975.000000000000 NS 911356.010000000000 0.1993781648 Long EC CORP PT N 1 N N N Redeia Corp SA 5493009HMD0C90GUV498 N/A 332702.000000000000 NS 5672994.260000000000 1.2410859994 Long EC CORP ES N 1 N N N TC Energy Corp 549300UGKOFV2IWJJG27 87807B107 335774.000000000000 NS 13494914.590000000000 2.9522944663 Long EC CORP CA N 1 N N N Pennon Group PLC 213800V1CCTS41GWH423 N/A 162226.000000000000 NS 1325777.290000000000 0.2900414768 Long EC CORP GB N 1 N N N Atmos Energy Corp QVLWEGTD2S8GJMO8D383 049560105 33814.000000000000 NS USD 4019470.180000000000 0.8793430659 Long EC CORP US N 1 N N N Avangrid Inc 549300OX0Q38NLSKPB49 05351W103 92785.000000000000 NS USD 3381085.400000000000 0.7396830599 Long EC CORP US N 1 N N N Avista Corp Q0IK63NITJD6RJ47SW96 05379B107 11347.000000000000 NS USD 397371.940000000000 0.0869334127 Long EC CORP US N 1 N N N Black Hills Corp 3MGELCRSTNSAMJ962671 092113109 15397.000000000000 NS USD 840676.200000000000 0.1839154799 Long EC CORP US N 1 N N N CMS Energy Corp 549300IA9XFBAGNIBW29 125896100 69656.000000000000 NS USD 4203043.040000000000 0.9195034638 Long EC CORP US N 1 N N N California Water Service Group 529900QABDOBU6UVRQ36 130788102 13139.000000000000 NS USD 610700.720000000000 0.1336035396 Long EC CORP US N 1 N N N CenterPoint Energy Inc 21TPXMRRHFKOBHDC8J74 15189T107 142515.000000000000 NS USD 4060252.350000000000 0.8882650175 Long EC CORP US N 1 N N N Chesapeake Utilities Corp 254900WW0FDCKAOCKE74 165303108 1671.000000000000 NS USD 179298.300000000000 0.0392252485 Long EC CORP US N 1 N N N Consolidated Edison Inc 54930033SBW53OO8T749 209115104 79583.000000000000 NS USD 7226932.230000000000 1.5810423911 Long EC CORP US N 1 N N N Canadian Utilities Ltd LWV4QIQODEH3VBHUFX07 136717832 124212.000000000000 NS 2828939.650000000000 0.6188896431 Long EC CORP CA N 1 N N N Crown Castle Inc 54930012H97VSM0I2R19 22822V101 85243.000000000000 NS USD 9021266.690000000000 1.9735905367 Long EC CORP US N 1 N N N DTE Energy Co 549300IX8SD6XXD71I78 233331107 46521.000000000000 NS USD 5216864.940000000000 1.1412981824 Long EC CORP US N 1 N N N Dominion Energy Inc ILUL7B6Z54MRYCF6H308 25746U109 186602.000000000000 NS USD 9178952.380000000000 2.0080875753 Long EC CORP US N 1 N N N Grupo Aeroportuario del Surest 5299001W7JIDXCUOUC82 P4950Y100 164061.000000000000 NS 5186950.680000000000 1.1347538132 Long EC CORP MX N 1 N N N Duke Energy Corp I1BZKREC126H0VB1BL91 26441C204 101563.000000000000 NS USD 9822157.730000000000 2.1488021818 Long EC CORP US N 1 N N N IDACORP Inc N134NUJDWN8UEFA8B673 451107106 12205.000000000000 NS USD 1133722.450000000000 0.2480254686 Long EC CORP US N 1 N N N MGE Energy Inc N/A 55277P104 8425.000000000000 NS USD 663216.000000000000 0.1450923541 Long EC CORP US N 1 N N N Koninklijke Vopak NV 724500UL634GFV1KYF10 N/A 78988.000000000000 NS 3044784.540000000000 0.6661102216 Long EC CORP NL N 1 N N N Middlesex Water Co N/A 596680108 6365.000000000000 NS USD 334162.500000000000 0.0731050273 Long EC CORP US N 1 N N N Elia Group SA/NV 549300S1MP1NFDIKT460 N/A 45645.000000000000 NS 4924426.320000000000 1.0773211255 Long EC CORP BE N 1 N N N Grupo Aeroportuario del Pacifi 4469000001BZ368XFI90 P4959P100 259254.000000000000 NS 4178598.410000000000 0.9141556903 Long EC CORP MX N 1 N N N Macquarie Korea Infrastructure N/A N/A 276621.000000000000 NS 2634192.180000000000 0.5762845659 Long EC CORP KR N 1 N N N International Public Partnersh 2138002AJT55TI5M4W30 N/A 1135987.000000000000 NS 1777892.060000000000 0.3889510271 Long EC RF GG N 1 N N N Chorus Ltd R7NJHU48LTCIOB9BVU57 N/A 265066.000000000000 NS 1217816.880000000000 0.2664228819 Long EC CORP NZ N 1 N N N Italgas SpA 815600F25FF44EF1FA76 N/A 509295.000000000000 NS 2967055.050000000000 0.6491052720 Long EC CORP IT N 1 N N N Hicl Infrastructure PLC 213800BVXR1E5L7PEV94 N/A 1209455.000000000000 NS 1929510.440000000000 0.4221207149 Long EC RF GB N 1 N N N Auckland International Airport 549300HFZIZDJWB7AK60 N/A 926957.000000000000 NS 4624317.980000000000 1.0116661570 Long EC CORP NZ N 1 N N N Brookfield Renewable Corp N/A 11284V105 110744.000000000000 NS 2717604.050000000000 0.5945326549 Long EC CORP US N 1 N N N Cellnex Telecom SA 5493008T4YG3AQUI7P67 N/A 367084.999999000000 NS 12977932.540000000000 2.8391938435 Long EC CORP ES N 1 N N N Hydro One Ltd 5493007QZDXTP1W2VL44 448811208 356067.000000000000 NS 10383261.230000000000 2.2715552935 Long EC CORP CA N 1 N N N Fortis Inc/Canada 549300MQYQ9Y065XPR71 349553107 291440.000000000000 NS 11515166.510000000000 2.5191832182 Long EC CORP CA N 1 N N N Enbridge Inc 98TPTUM4IVMFCZBCUR27 29250N105 383078.000000000000 NS 13843466.910000000000 3.0285475673 Long EC CORP CA N 1 N N N Emera Inc NQZVQT2P5IUF2PGA1Q48 290876101 173252.000000000000 NS 6097170.900000000000 1.3338835002 Long EC CORP CA N 1 N N N Entergy Corp 4XM3TW50JULSLG8BNC79 29364G103 50907.000000000000 NS USD 5379851.760000000000 1.1769549540 Long EC CORP US N 1 N N N Essential Utilities Inc 549300ILTEOF3E3QY357 29670G102 64864.000000000000 NS USD 2403211.200000000000 0.5257526515 Long EC CORP US N 1 N N N Evergy Inc 549300PGTHDQY6PSUI61 30034W106 55070.000000000000 NS USD 2939636.600000000000 0.6431069133 Long EC CORP US N 1 N N N Eversource Energy SJ7XXD41SQU3ZNWUJ746 30040W108 79891.000000000000 NS USD 4775085.070000000000 1.0446496074 Long EC CORP US N 1 N N N Exelon Corp 3SOUA6IRML7435B56G12 30161N101 229684.000000000000 NS USD 8629227.880000000000 1.8878238576 Long EC CORP US N 1 N N N FirstEnergy Corp 549300SVYJS666PQJH88 337932107 138142.000000000000 NS USD 5335044.040000000000 1.1671523293 Long EC CORP US N 1 N N N Fraport AG Frankfurt Airport S 5299001ERX0K10IZUL40 N/A 56977.000000000000 NS 3003415.890000000000 0.6570599653 Long EC CORP DE N 1 N N N Enagas SA 213800OU3FQKGM4M2U23 N/A 161431.000000000000 NS 2397317.660000000000 0.5244633165 Long EC CORP ES N 1 N N N Grupo Aeroportuario del Centro 529900HUSBARAFSXJ605 P49530101 205357.000000000000 NS 2022873.610000000000 0.4425458587 Long EC CORP MX N 1 N N N Getlink SE 9695007ZEQ7M0OE74G82 N/A 335576.000000000000 NS 5712948.700000000000 1.2498268678 Long EC CORP FR N 1 N N N Enav SpA 81560048ECF8D2059980 N/A 345387.000000000000 NS 1445773.120000000000 0.3162930712 Long EC CORP IT N 1 N N N Ferrovial SE 72450022R2ZFL41Y6I04 N/A 355432.000000000000 NS 14065276.840000000000 3.0770731230 Long EC CORP ES N 1 N N N Flughafen Zurich AG 529900PFO97GCN5SYB55 N/A 18278.000000000000 NS 4146674.950000000000 0.9071717666 Long EC CORP CH N 1 N N N APA Group N/A N/A 763804.000000000000 NS 4185922.860000000000 0.9157580668 Long EC CORP AU N 1 N N N NiSource Inc 549300D8GOWWH0SJB189 65473P105 100092.000000000000 NS USD 2768544.720000000000 0.6056769906 Long EC CORP US N 1 N N N Northwest Natural Holding Co 254900PSJL6ZEC8FR782 66765N105 7085.000000000000 NS USD 263703.700000000000 0.0576906930 Long EC CORP US N 1 N N N U.S. Bank Money Market Deposit Account N/A 8AMMF0A84 10026618.380000000000 NS USD 10026618.380000000000 2.1935322200 Long STIV RF US N 1 N N N WEC Energy Group Inc 549300IGLYTZUK3PVP70 92939U106 72687.000000000000 NS USD 5969056.440000000000 1.3058557859 Long EC CORP US N 1 N N N Xcel Energy Inc LGJNMI9GH8XIDG5RCM61 98389B100 131090.000000000000 NS USD 7046087.500000000000 1.5414788287 Long EC CORP US N 1 N N N Vector Ltd N/A N/A 624675.000000000000 NS 1444330.950000000000 0.3159775664 Long EC CORP NZ N 1 N N N Vinci SA 213800WFQ334R8UXUG83 N/A 104647.000000000000 NS 13407858.070000000000 2.9332490340 Long EC CORP FR N 1 N N N United Utilities Group PLC 2138002IEYQAOC88ZJ59 N/A 418127.000000000000 NS 5430426.390000000000 1.1880192108 Long EC CORP GB N 1 N N N National Grid PLC 8R95QZMKZLJX5Q2XR704 N/A 1019125.000000000000 NS 13711816.860000000000 2.9997463688 Long EC CORP GB N 1 N N N Atlas Arteria Ltd 254900SGF4ZQDBH2YC59 N/A 933532.000000000000 NS 3242423.320000000000 0.7093478333 Long EC CORP AU N 1 N N N ALLETE Inc 549300NNLSIMY6Z8OT86 018522300 12451.000000000000 NS USD 742577.640000000000 0.1624543707 Long EC CORP US N 1 N N N Alliant Energy Corp 5493009ML300G373MZ12 018802108 60109.000000000000 NS USD 3029493.600000000000 0.6627650091 Long EC CORP US N 1 N N N Ameren Corp XRZQ5S7HYJFPHJ78L959 023608102 62303.000000000000 NS USD 4607929.880000000000 1.0080809178 Long EC CORP US N 1 N N N American Electric Power Co Inc 1B4S6S7G0TW5EE83BO58 025537101 111077.000000000000 NS USD 9563729.700000000000 2.0922656518 Long EC CORP US N 1 N N N American States Water Co 529900L26LIS2V8PWM23 029899101 9482.000000000000 NS USD 684979.680000000000 0.1498536138 Long EC CORP US N 1 N N N American Tower Corp 5493006ORUSIL88JOE18 03027X100 47765.000000000000 NS USD 9437886.350000000000 2.0647347902 Long EC CORP US N 1 N N N American Water Works Co Inc 549300DXHIJQMD5WFW18 030420103 45999.000000000000 NS USD 5621537.790000000000 1.2298288217 Long EC CORP US N 1 N N N Aguas Andinas SA 894500KC50BSHRL3SK15 N/A 3344924.000000000000 NS 976400.850000000000 0.2136080823 Long EC CORP CL N 1 N N N ACEA SpA 549300Q3448N041CTH56 N/A 128258.000000000000 NS 2272061.320000000000 0.4970608756 Long EC CORP IT N 1 N N N Aeroports de Paris SA 969500PJMBSFHYC37989 N/A 58915.000000000000 NS 8078558.330000000000 1.7673533904 Long EC CORP FR N 1 N N N Algonquin Power & Utilities Co 549300K5VIUTJXQL7X75 015857105 434462.000000000000 NS 2745557.360000000000 0.6006480254 Long EC CORP CA N 1 N N N Aena SME SA 959800R7QMXKF0NFMT29 E526K0106 70432.000000000000 NS 13863609.630000000000 3.0329542081 Long EC CORP ES N 1 N N N 2024-05-23 Frontier Funds, Inc. /s/ Elyce D. Dilworth Frontier Funds, Inc. Treasurer and Assistant Secretary XXXX