NPORT-P
false
0001014913
XXXXXXXX
S000062285
C000201868
C000201867
Frontier Funds, Inc.
811-07685
0001014913
549300TMAADQMXZCXG08
400 Skokie Blvd
Suite 500
Northbrook
60062-2815
847-509-9860
Frontier MFG Select Infrastructure Fund
S000062285
549300BDDWRTGO8T1393
2023-06-30
2022-12-31
N
117099186.780000000000
393648.790000000000
116705537.990000000000
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
Alliant Energy Corp
5493009ML300G373MZ12
Alliant Energy Corp
018802108
29660.000000000000
NS
USD
1637528.600000000000
1.4031284446
Long
EC
CORP
US
N
1
N
N
N
American Tower Corp
5493006ORUSIL88JOE18
American Tower Corp
03027X100
20814.000000000000
NS
USD
4409654.040000000000
3.7784445502
Long
EC
CORP
US
N
1
N
N
N
American Water Works Co Inc
549300DXHIJQMD5WFW18
American Water Works Co Inc
030420103
10472.000000000000
NS
USD
1596142.240000000000
1.3676662372
Long
EC
CORP
US
N
1
N
N
N
CMS Energy Corp
549300IA9XFBAGNIBW29
CMS Energy Corp
125896100
66176.000000000000
NS
USD
4190926.080000000000
3.5910258863
Long
EC
CORP
US
N
1
N
N
N
CSX Corp
549300JVQR4N1MMP3Q88
CSX Corp
126408103
115858.000000000000
NS
USD
3589280.840000000000
3.0755017301
Long
EC
CORP
US
N
1
N
N
N
Crown Castle Inc
54930012H97VSM0I2R19
Crown Castle Inc
22822V101
17120.000000000000
NS
USD
2322156.800000000000
1.9897571615
Long
EC
CORP
US
N
1
N
N
N
Enbridge Inc
98TPTUM4IVMFCZBCUR27
Enbridge Inc
29250N105
66856.000000000000
NS
2613012.940000000000
2.2389793878
Long
EC
CORP
CA
N
1
N
N
N
Dominion Energy Inc
ILUL7B6Z54MRYCF6H308
Dominion Energy Inc
25746U109
61791.000000000000
NS
USD
3789024.120000000000
3.2466532311
Long
EC
CORP
US
N
1
N
N
N
Evergy Inc
549300PGTHDQY6PSUI61
Evergy Inc
30034W106
70364.000000000000
NS
USD
4428006.520000000000
3.7941700079
Long
EC
CORP
US
N
1
N
N
N
Eversource Energy
SJ7XXD41SQU3ZNWUJ746
Eversource Energy
30040W108
46388.000000000000
NS
USD
3889169.920000000000
3.3324638976
Long
EC
CORP
US
N
1
N
N
N
Koninklijke Vopak NV
724500UL634GFV1KYF10
Koninklijke Vopak NV
N/A
53795.000000000000
NS
1600201.630000000000
1.3711445554
Long
EC
CORP
NL
N
2
N
N
N
Transurban Group
549300ZR71SUQ4VUTM79
Transurban Group
N/A
972051.000000000000
NS
8551979.280000000000
7.3278264488
Long
EC
CORP
AU
N
2
N
N
N
Norfolk Southern Corp
54930036C8MWP850MI84
Norfolk Southern Corp
655844108
18760.000000000000
NS
USD
4622839.200000000000
3.9611138251
Long
EC
CORP
US
N
1
N
N
N
Snam SpA
8156002278562044AF79
Snam SpA
N/A
471325.000000000000
NS
2285371.020000000000
1.9582369949
Long
EC
CORP
IT
N
2
N
N
N
Sempra Energy
PBBKGKLRK5S5C0Y4T545
Sempra Energy
816851109
35444.000000000000
NS
USD
5477515.760000000000
4.6934497320
Long
EC
CORP
US
N
1
N
N
N
U.S. Bank Money Market Deposit Account
N/A
U.S. Bank Money Market Deposit Account
8AMMF0A84
3932449.450000000000
NS
USD
3932449.450000000000
3.3695482817
Long
STIV
RF
US
N
1
N
N
N
Union Pacific Corp
549300LMMRSZZCZ8CL11
Union Pacific Corp
907818108
4798.000000000000
NS
USD
993521.860000000000
0.8513065250
Long
EC
CORP
US
N
1
N
N
N
WEC Energy Group Inc
549300IGLYTZUK3PVP70
WEC Energy Group Inc
92939U106
36706.000000000000
NS
USD
3441554.560000000000
2.9489213788
Long
EC
CORP
US
N
1
N
N
N
Xcel Energy Inc
LGJNMI9GH8XIDG5RCM61
Xcel Energy Inc
98389B100
62140.000000000000
NS
USD
4356635.400000000000
3.7330151380
Long
EC
CORP
US
N
1
N
N
N
Terna - Rete Elettrica Naziona
8156009E94ED54DE7C31
Terna - Rete Elettrica Nazionale
N/A
309954.000000000000
NS
2289063.990000000000
1.9614013434
Long
EC
CORP
IT
N
2
N
N
N
Ferrovial SA
95980020140005757903
Ferrovial SA
N/A
224759.000000000000
NS
5884782.910000000000
5.0424195898
Long
EC
CORP
ES
N
2
N
N
N
Aeroports de Paris
969500PJMBSFHYC37989
Aeroports de Paris
N/A
20929.000000000000
NS
2803882.900000000000
2.4025277192
Long
EC
CORP
FR
N
2
N
N
N
Severn Trent PLC
213800RPBXRETY4A4C59
Severn Trent PLC
N/A
85648.000000000000
NS
2736308.220000000000
2.3446258568
Long
EC
CORP
GB
N
2
N
N
N
Vinci SA
213800WFQ334R8UXUG83
Vinci SA
N/A
84635.000000000000
NS
8436979.210000000000
7.2292877916
Long
EC
CORP
FR
N
2
N
N
N
United Utilities Group PLC
2138002IEYQAOC88ZJ59
United Utilities Group PLC
N/A
433282.000000000000
NS
5177024.270000000000
4.4359713850
Long
EC
CORP
GB
N
2
N
N
N
Italgas SpA
815600F25FF44EF1FA76
Italgas SpA
N/A
230409.000000000000
NS
1279319.830000000000
1.0961946211
Long
EC
CORP
IT
N
2
N
N
N
Red Electrica Corp SA
5493009HMD0C90GUV498
Red Electrica Corp SA
N/A
125753.000000000000
NS
2186607.070000000000
1.8736103767
Long
EC
CORP
ES
N
2
N
N
N
National Grid PLC
8R95QZMKZLJX5Q2XR704
National Grid PLC
N/A
515770.000000000000
NS
6178623.550000000000
5.2941991069
Long
EC
CORP
GB
N
2
N
N
N
Auckland International Airport
549300HFZIZDJWB7AK60
Auckland International Airport Ltd
N/A
243086.000000000000
NS
1205607.940000000000
1.0330340451
Long
EC
CORP
NZ
N
2
N
N
N
Aena SME SA
959800R7QMXKF0NFMT29
Aena SME SA
E526K0106
41867.000000000000
NS
5248362.400000000000
4.4970979873
Long
EC
CORP
ES
N
2
N
N
N
Atlas Arteria Ltd
254900SGF4ZQDBH2YC59
Atlas Arteria Ltd
N/A
1119405.000000000000
NS
5041216.310000000000
4.3196033340
Long
EC
CORP
AU
N
2
N
N
N
2023-02-17
Frontier Funds, Inc.
/s/ Elyce D. Dilworth
Frontier Funds, Inc.
Treasurer and Assistant Secretary