NPORT-P
false
0000732697
XXXXXXXX
S000019983
C000074788
C000056041
ULTRA SERIES FUND
811-04815
0000732697
254900JPNAJ16VJV5X45
550 SCIENCE DRIVE
MADISON
53711
608-274-0300
Mid Cap Fund
S000019983
2549003E389BDUF7PS08
2025-12-31
2025-06-30
N
122298006.05
108942.19
122189063.86
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
0.00000000
UST
Teledyne Technologies Inc
549300VSMO9KYQWDND94
Teledyne Technologies, Inc.
879360105
6360.00000000
NS
USD
3258291.60000000
2.666598382104
Long
EC
CORP
US
N
1
N
N
N
Expeditors International of Washington Inc
984500B055A804AB6E40
Expeditors International of Washington, Inc.
302130109
15251.00000000
NS
USD
1742426.75000000
1.426008756394
Long
EC
CORP
US
N
1
N
N
N
Liberty Broadband Corp
549300MIX43II8JLN536
Liberty Broadband Corp.
530307305
38806.00000000
NS
USD
3817734.28000000
3.124448423939
Long
EC
CORP
US
N
1
N
N
N
Trex Co Inc
N/A
Trex Co., Inc.
89531P105
54357.00000000
NS
USD
2955933.66000000
2.419147480650
Long
EC
CORP
US
N
1
N
N
N
Amphenol Corp
549300D3L3G0R4U4VT04
Amphenol Corp.
032095101
69343.00000000
NS
USD
6847621.25000000
5.604119578038
Long
EC
CORP
US
N
1
N
N
N
Brookfield Asset Management Ltd
549300CZ84WPNJZKY093
Brookfield Asset Management Ltd.
113004105
54294.00000000
NS
USD
3001372.32000000
2.456334654825
Long
EC
CORP
CA
N
1
N
N
Arch Capital Group Ltd
549300AYR4P8AFKDCE43
Arch Capital Group Ltd.
000000000
96739.00000000
NS
USD
8808085.95000000
7.208571431639
Long
EC
CORP
BM
N
1
N
N
N
Lithia Motors Inc
SE8N1EZEHPZQBCBVKD53
Lithia Motors, Inc.
536797103
8122.00000000
NS
USD
2743774.04000000
2.245515231333
Long
EC
CORP
US
N
1
N
N
N
Microchip Technology Inc
5493007PTFULNYZJ1R12
Microchip Technology, Inc.
595017104
41528.00000000
NS
USD
2922325.36000000
2.391642318618
Long
EC
CORP
US
N
1
N
N
N
Asbury Automotive Group Inc
549300JH4DTA7U42GL91
Asbury Automotive Group, Inc.
043436104
10756.00000000
NS
USD
2565736.24000000
2.099808410791
Long
EC
CORP
US
N
1
N
N
N
CDW Corp/DE
9845001B052ABF0B6755
CDW Corp.
12514G108
28751.00000000
NS
USD
5134641.09000000
4.202210024199
Long
EC
CORP
US
N
1
N
N
N
W R Berkley Corp
SQOAGCLKBDWNVYV1OV80
W.R. Berkley Corp.
084423102
51709.00000000
NS
USD
3799060.23000000
3.109165509568
Long
EC
CORP
US
N
1
N
N
N
Gartner Inc
PP55B5R38BFB8O8HH686
Gartner, Inc.
366651107
15680.00000000
NS
USD
6338169.60000000
5.187182387502
Long
EC
CORP
US
N
1
N
N
N
PACCAR Inc
KDTEY8BWE486IKZ3CC07
PACCAR, Inc.
693718108
46762.00000000
NS
USD
4445195.72000000
3.637965280667
Long
EC
CORP
US
N
1
N
N
N
Carlisle Cos Inc
XR64VGX1ZPX6G7ZN7Z11
Carlisle Cos., Inc.
142339100
14202.00000000
NS
USD
5303026.80000000
4.340017537147
Long
EC
CORP
US
N
1
N
N
N
State Street Global Advisors
549300BZ5TGIFZUZDZ37
State Street Institutional US Government Money Market Fund
857492706
5611412.82000000
NS
USD
5611412.82000000
4.592401842467
Long
STIV
RF
US
N
1
N
N
N
Medpace Holdings Inc
549300H8TYEUVTW14A54
Medpace Holdings, Inc.
58506Q109
8300.00000000
NS
USD
2605038.00000000
2.131973122393
Long
EC
CORP
US
N
1
N
N
N
Labcorp Holdings Inc
N/A
Labcorp Holdings, Inc.
504922105
15707.00000000
NS
USD
4123244.57000000
3.374479220762
Long
EC
CORP
US
N
1
N
N
N
Arista Networks Inc
635400H1WKBLOQERUU95
Arista Networks, Inc.
040413205
33122.00000000
NS
USD
3388711.82000000
2.773334791960
Long
EC
CORP
US
N
1
N
N
N
Ross Stores Inc
549300ENZFLPGRDFZQ60
Ross Stores, Inc.
778296103
45359.00000000
NS
USD
5786901.22000000
4.736022224239
Long
EC
CORP
US
N
1
N
N
N
Cullen/Frost Bankers Inc
529900V2E9G9AY665O34
Cullen/Frost Bankers, Inc.
229899109
10821.00000000
NS
USD
1390931.34000000
1.138343560429
Long
EC
CORP
US
N
1
N
N
N
Brown & Brown Inc
549300PC8KTJ71XKFY89
Brown & Brown, Inc.
115236101
60623.00000000
NS
USD
6721272.01000000
5.500714873878
Long
EC
CORP
US
N
1
N
N
N
MKS Inc
549300KEQATBHAGVF505
MKS, Inc.
55306N104
38798.00000000
NS
USD
3854969.28000000
3.154921691205
Long
EC
CORP
US
N
1
N
N
N
Liberty Media Corp-Liberty Formula One
N/A
Liberty Media Corp.-Liberty Formula One
531229755
39488.00000000
NS
USD
4126496.00000000
3.377140203584
Long
EC
CORP
US
N
1
N
N
N
Copart Inc
549300KVYX3JWMYEHU61
Copart, Inc.
217204106
92613.00000000
NS
USD
4544519.91000000
3.719252579925
Long
EC
CORP
US
N
1
N
N
N
Kinsale Capital Group Inc
529900QTUQHNZ6HOA508
Kinsale Capital Group, Inc.
49714P108
4655.00000000
NS
USD
2252554.50000000
1.843499269771
Long
EC
CORP
US
N
1
N
N
N
Moelis & Co
549300891QNU7VTQUR83
Moelis & Co.
60786M105
34763.00000000
NS
USD
2166430.16000000
1.773014778542
Long
EC
CORP
US
N
1
N
N
N
Glacier Bancorp Inc
549300SMJAUKZB5D7V74
Glacier Bancorp, Inc.
37637Q105
29554.00000000
NS
USD
1273186.32000000
1.041980583024
Long
EC
CORP
US
N
1
N
N
N
Thor Industries Inc
254900XZO1228PDSG060
Thor Industries, Inc.
885160101
31549.00000000
NS
USD
2801866.69000000
2.293058479611
Long
EC
CORP
US
N
1
N
N
N
Waters Corp
5T547R1474YC9HOD8Q74
Waters Corp.
941848103
8822.00000000
NS
USD
3079230.88000000
2.520054399899
Long
EC
CORP
US
N
1
N
N
N
Graco Inc
4T5VJ4S81BRT6Q7GGT78
Graco, Inc.
384109104
14212.00000000
NS
USD
1221805.64000000
0.999930436818
Long
EC
CORP
US
N
1
N
N
N
Floor & Decor Holdings Inc
549300M5FR3N688XGQ36
Floor & Decor Holdings, Inc.
339750101
47626.00000000
NS
USD
3617670.96000000
2.960715833083
Long
EC
CORP
US
N
1
N
N
N
2025-07-16
ULTRA SERIES FUND
Greg Hoppe
Greg Hoppe
Chief Financial Officer