NPORT-P false 0000732697 XXXXXXXX S000019977 C000074782 C000056035 ULTRA SERIES FUND 811-04815 0000732697 254900JPNAJ16VJV5X45 550 SCIENCE DRIVE MADISON 53711 608-274-0300 International Stock Fund S000019977 254900FRELAT3I5IFK83 2023-12-31 2023-03-31 N 22213811.58 265939.87 21947871.71 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 212.92000000 UST Ping An Insurance Group Co of China Ltd 529900M9MC28JLN35U89 000000000 85890.00000000 NS 556683.93000000 2.536391397560 Long EC CORP CN N 2 N N N LVMH Moet Hennessy Louis Vuitton SE IOG4E947OATN0KJYSD45 000000000 333.00000000 NS 305180.43000000 1.390478466579 Long EC CORP FR N 2 N N N Grupo Mexico SAB de CV 529900JWLZAYET2ZGW20 000000000 106807.00000000 NS 505229.12000000 2.301950397175 Long EC CORP MX N 2 N N N Manulife Financial Corp 5493007GBX87QOZACS27 56501R106 20679.00000000 NS USD 379666.44000000 1.729855381954 Long EC CORP CA N 1 N N Partners Group Holding AG 549300I3IVVWZWDHI788 000000000 338.00000000 NS 318678.52000000 1.451979144997 Long EC CORP CH N 2 N N N State Street Global Advisors 549300BZ5TGIFZUZDZ37 857492706 248493.02000000 NS USD 248493.02000000 1.132196430174 Long STIV RF US N 1 N N N Pagseguro Digital Ltd N/A 000000000 27536.00000000 NS USD 235983.52000000 1.075200015373 Long EC CORP KY N 1 N N Treasury Wine Estates Ltd 529900LVOPJGAX6ILK66 000000000 42485.00000000 NS 372694.37000000 1.698088884992 Long EC CORP AU N 2 N N N Sony Group Corp 529900R5WX9N2OI2N910 000000000 5697.00000000 NS 517938.34000000 2.359856786314 Long EC CORP JP N 2 N N N Airbus SE MINO79WLOO247M1IL051 000000000 4236.00000000 NS 567481.15000000 2.585586235869 Long EC CORP NL N 2 N N N Shell PLC 21380068P1DRHMJ8KU70 000000000 18510.00000000 NS 530046.62000000 2.415025142317 Long EC CORP GB N 2 N N N State Street Global Advisors 5493008BJIBKQ5KTIF74 857492706 236118.75000000 NS USD 236118.75000000 1.075816157119 Long STIV RF US N 1 N N DBS Group Holdings Ltd 5493007FKT78NKPM5V55 000000000 17200.00000000 NS 427458.08000000 1.947606062437 Long EC CORP SG N 2 N N N Wal-Mart de Mexico SAB de CV N/A 93114W107 7490.00000000 NS USD 298176.90000000 1.358568629978 Long EC CORP MX N 1 N N N KION Group AG 5299005KY91C4C6U9H17 000000000 12081.00000000 NS 466684.00000000 2.126329177454 Long EC CORP DE N 2 N N N Toray Industries Inc 35380099TCYR5FHT0A11 000000000 86553.00000000 NS 494827.91000000 2.254559879601 Long EC CORP JP N 2 N N N Genmab A/S 529900MTJPDPE4MHJ122 000000000 1064.00000000 NS 401764.11000000 1.830537900478 Long EC CORP DK N 2 N N N ASML Holding NV 724500Y6DUVHQD6OXN27 000000000 711.00000000 NS USD 483984.81000000 2.205156000522 Long EC CORP NL N 1 N N N Alibaba Group Holding Ltd 5493001NTNQJDH60PM02 01609W102 5190.00000000 NS USD 530314.20000000 2.416244303808 Long EC CORP KY N 1 N N N NXP Semiconductors NV 724500M9BY5293JDF951 000000000 2392.00000000 NS USD 446048.20000000 2.032307304752 Long EC CORP NL N 1 N N N STMicroelectronics NV 213800Z8NOHIKRI42W10 861012102 4763.00000000 NS USD 254772.87000000 1.160808999461 Long EC CORP NL N 1 N N N Kerry Group PLC 635400TLVVBNXLFHWC59 000000000 4674.00000000 NS 465807.72000000 2.122336626324 Long EC CORP IE N 2 N N N Infosys Ltd 335800TYLGG93MM7PR89 456788108 17195.00000000 NS USD 299880.80000000 1.366332025092 Long EC CORP IN N 1 N N N adidas AG 549300JSX0Z4CW0V5023 000000000 2491.00000000 NS 439813.94000000 2.003902454922 Long EC CORP DE N 2 N N N Worldline SA/France 549300CJMQNCA0U4TS33 000000000 8139.00000000 NS 345901.99000000 1.576016091994 Long EC CORP FR Y 2 N N N CyberArk Software Ltd 529900YEXNDM894PWS93 000000000 1995.00000000 NS USD 295220.10000000 1.345096708695 Long EC CORP IL N 1 N N N Symrise AG 529900D82I6R9601CF26 000000000 2007.00000000 NS 218033.81000000 0.993416641398 Long EC CORP DE N 2 N N N Air Liquide SA 969500MMPQVHK671GT54 000000000 2279.00000000 NS 381799.49000000 1.739574091942 Long EC CORP FR N 2 N N N Nestle SA KY37LUS27QQX7BB93L28 000000000 1808.00000000 NS 220714.87000000 1.005632222186 Long EC CORP CH N 2 N N N Keyence Corp 529900M7PQBS7A89DZ11 000000000 600.00000000 NS 294159.95000000 1.340266399798 Long EC CORP JP N 2 N N N Pan Pacific International Holdings Corp 529900QLHJM2E18A5763 000000000 22400.00000000 NS 433474.77000000 1.975019608860 Long EC CORP JP N 2 N N N Murata Manufacturing Co Ltd 529900QZG6DL8ZRI7140 000000000 5293.00000000 NS 323210.97000000 1.472630122276 Long EC CORP JP N 2 N N N London Stock Exchange Group PLC 213800QAUUUP6I445N30 000000000 3333.00000000 NS 323915.00000000 1.475837859269 Long EC CORP GB N 2 N N N Larsen & Toubro Ltd 3358003FR3JIC5FRXA90 000000000 25717.00000000 NS USD 681791.49000000 3.106412772083 Long EC CORP IN Y 1 N N N AstraZeneca PLC PY6ZZQWO2IZFZC3IOL08 000000000 3393.00000000 NS 470948.64000000 2.145759945304 Long EC CORP GB N 2 N N N Sika AG 549300R3N69ECGYPU434 000000000 1175.00000000 NS 329806.21000000 1.502679687387 Long EC CORP CH N 2 N N N Shin-Etsu Chemical Co Ltd 353800PX8Q64N86H5W41 000000000 12500.00000000 NS 405431.95000000 1.847249498069 Long EC CORP JP N 2 N N N Cameco Corp N4BHALMXL3GMZKCUON55 13321L108 19499.00000000 NS USD 510288.83000000 2.325003703058 Long EC CORP CA N 1 N N N Deutsche Telekom AG 549300V9QSIG4WX4GJ96 000000000 19445.00000000 NS 470975.43000000 2.145882007253 Long EC CORP DE N 2 N N N Canadian Pacific Railway Ltd N/A 13645T100 3958.00000000 NS USD 304528.52000000 1.387508201358 Long EC CORP CA N 1 N N N Lonza Group AG 549300EFW4H2TCZ71055 000000000 624.00000000 NS 375314.25000000 1.710025714379 Long EC CORP CH N 2 N N N Nidec Corp 353800IF171MZTNL6Y31 000000000 4100.00000000 NS 212824.34000000 0.969680991451 Long EC CORP JP N 2 N N N Ferrari NV 549300RIVY5EX8RCON76 000000000 1116.00000000 NS USD 302369.04000000 1.377669069672 Long EC CORP NL N 1 N N N Itau Unibanco Holding SA 5493002W2IVG62O3ZJ94 465562106 46793.00000000 NS USD 227881.91000000 1.038287051296 Long EC CORP BR N 1 N N N Lasertec Corp N/A 000000000 1900.00000000 NS 336836.13000000 1.534709763437 Long EC CORP JP N 2 N N N Hermes International 969500Y4IJGHJE2MTJ13 000000000 134.00000000 NS 271431.94000000 1.236711894376 Long EC CORP FR N 2 N N N Shiseido Co Ltd 5299008QCD0YDT5OF506 000000000 5100.00000000 NS 239356.66000000 1.090568885961 Long EC CORP JP N 2 N N N Norsk Hydro ASA 549300N1SDN71ZZ8BO45 000000000 34660.00000000 NS 259192.15000000 1.180944345878 Long EC CORP NO N 2 N N N SAP SE 529900D6BF99LW9R2E68 803054204 3392.00000000 NS USD 429257.60000000 1.955805126218 Long EC CORP DE N 1 N N N Diageo PLC 213800ZVIELEA55JMJ32 000000000 8520.00000000 NS 380250.86000000 1.732518145833 Long EC CORP GB N 2 N N N Siemens AG W38RGI023J3WT1HWRP32 000000000 2639.00000000 NS 427171.58000000 1.946300696688 Long EC CORP DE N 2 N N N EssilorLuxottica SA 549300M3VH1A3ER1TB49 000000000 1289.00000000 NS 232698.50000000 1.060232641573 Long EC CORP FR N 2 N N N CyberAgent Inc 3538006T5KZABPGS8Q08 000000000 30429.00000000 NS 257960.88000000 1.175334371407 Long EC CORP JP N 2 N N N Taiwan Semiconductor Manufacturing Co Ltd 549300KB6NK5SBD14S87 874039100 3247.00000000 NS USD 302035.94000000 1.376151382652 Long EC CORP TW N 1 N N N Prudential PLC 5493001Z3ZE83NGK8Y12 000000000 30803.00000000 NS 421270.79000000 1.919415219691 Long EC CORP GB N 2 N N N AIA Group Ltd ZP5ILWVSYE4LJGMMVD57 000000000 36320.00000000 NS 381628.07000000 1.738793059493 Long EC CORP HK N 2 N N N Tencent Holdings Ltd 254900N4SLUMW4XUYY11 000000000 11932.00000000 NS 583037.46000000 2.656464680055 Long EC CORP KY N 2 N N N HDFC Bank Ltd 335800ZQ6I4E2JXENC50 40415F101 9469.00000000 NS USD 631298.23000000 2.876352834304 Long EC CORP IN N 1 N N N 2023-04-19 ULTRA SERIES FUND Greg Hoppe Greg Hoppe Chief Financial Officer XXXX