# EDGAR Filing Document

**Accession Number:** 0000732697
**File Stem:** 0001752724-23-026674
**Filing Date:** 2023-2
**Character Count:** 25365
**Document Hash:** ac0840c8a4db48798e614bcb137e88bf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-026674.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001752724-23-026674

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230216

**DATE AS OF CHANGE**: 20230216

**PERIOD START**: 20221231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ULTRA SERIES FUND
- **CENTRAL INDEX KEY:** 0000732697
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04815
- **FILM NUMBER:** 23638489

**BUSINESS ADDRESS:**
- **STREET 1:** 550 SCIENCE DRIVE
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53711
- **BUSINESS PHONE:** 6082740300

**MAIL ADDRESS:**
- **STREET 1:** 550 SCIENCE DRIVE
- **CITY:** MADISON
- **STATE:** WI
- **ZIP:** 53711

## Series and Classes Contracts Data

### International Stock Fund (Series ID: S000019977)

| Class ID   | Class Name                        | Ticker Symbol   |
|:---|:---|:---|
| C000056035 | International Stock Fund Class I  |  |
| C000074782 | International Stock Fund Class II |  |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** ULTRA SERIES FUND

- **b. Investment Company Act file number:** 811-04815

- **c. CIK number of Registrant:** 0000732697

- **d. LEI of Registrant:** 254900JPNAJ16VJV5X45

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 550 SCIENCE DRIVE

  - **City:** MADISON

  - **State:** WI

  - **Foreign country:** US

  - **Zip / Postal Code:** 53711

  - **Telephone number:** 608-274-0300

**Item A.2. Information about the Series.**

- **a. Name of Series:** International Stock Fund

- **b. EDGAR series identifier (if any):** S000019977

- **c. LEI of Series:** 254900FRELAT3I5IFK83

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $21147969.01

**Total Liabilities:** $280587.03

**Net Assets:** $20867381.98

**Cash Not Reported:** $47033.66

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000074782 | 4.45%                | 13.50%               | -3.66%               |
| Class ID C000056035 | 4.47%                | 13.52%               | -3.64%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-2100.92                | $841484.92                                 |
| Month 2  | $-94097.22               | $2688916.34                                |
| Month 3  | $-3497.47                | $-788054.33                                |

### Schedule of Portfolio Investments

| Name                                      | Title                                                                       | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Ping An Insurance Group Co of China Ltd   | Ping An Insurance Group Co. of China Ltd.                                   | CUSIP: 000000000<br>LEI: 529900M9MC28JLN35U89 | Long             | EC               | CORP              | CN        |     81390 | NS      | $538571.57    | 2.58%             |  |  |  | No            |                  2 | On Loan: No      |
| LVMH Moet Hennessy Louis Vuitton SE       | LVMH Moet Hennessy Louis Vuitton SE                                         | CUSIP: 000000000<br>LEI: IOG4E947OATN0KJYSD45 | Long             | EC               | CORP              | FR        |       411 | NS      | $299125.23    | 1.43%             |  |  |  | No            |                  2 | On Loan: No      |
| XP Inc                                    | XP, Inc.                                                                    | CUSIP: 000000000<br>LEI: 5493008KDA8NBZRJST80 | Long             | EC               | CORP              | KY        |     15478 | NS      | $237432.52    | 1.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Grupo Mexico SAB de CV                    | Grupo Mexico SAB de CV                                                      | CUSIP: 000000000<br>LEI: 529900JWLZAYET2ZGW20 | Long             | EC               | CORP              | MX        |     97607 | NS      | $344115.20    | 1.65%             |  |  |  | No            |                  2 | On Loan: No      |
| Manulife Financial Corp                   | Manulife Financial Corp.                                                    | CUSIP: 56501R106<br>LEI: 5493007GBX87QOZACS27 | Long             | EC               | CORP              | CA        |     24392 | NS      | $435153.28    | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Partners Group Holding AG                 | Partners Group Holding AG                                                   | CUSIP: 000000000<br>LEI: 549300I3IVVWZWDHI788 | Long             | EC               | CORP              | CH        |       289 | NS      | $255291.41    | 1.22%             |  |  |  | No            |                  2 | On Loan: No      |
| Pagseguro Digital Ltd                     | Pagseguro Digital Ltd.                                                      | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     28526 | NS      | $249317.24    | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Treasury Wine Estates Ltd                 | Treasury Wine Estates Ltd.                                                  | CUSIP: 000000000<br>LEI: 529900LVOPJGAX6ILK66 | Long             | EC               | CORP              | AU        |     44138 | NS      | $408999.05    | 1.96%             |  |  |  | No            |                  2 | On Loan: No      |
| Sony Group Corp                           | Sony Group Corp.                                                            | CUSIP: 000000000<br>LEI: 529900R5WX9N2OI2N910 | Long             | EC               | CORP              | JP        |      5897 | NS      | $450902.13    | 2.16%             |  |  |  | No            |                  2 | On Loan: No      |
| Airbus SE                                 | Airbus SE                                                                   | CUSIP: 000000000<br>LEI: MINO79WLOO247M1IL051 | Long             | EC               | CORP              | NL        |      4401 | NS      | $523020.57    | 2.51%             |  |  |  | No            |                  2 | On Loan: No      |
| Shell PLC                                 | Shell PLC                                                                   | CUSIP: 000000000<br>LEI: 21380068P1DRHMJ8KU70 | Long             | EC               | CORP              | GB        |     23076 | NS      | $648901.26    | 3.11%             |  |  |  | No            |                  2 | On Loan: No      |
| State Street Global Advisors              | State Street Navigator Securities Lending Government Money Market Portfolio | CUSIP: 857492706<br>LEI: 5493008BJIBKQ5KTIF74 | Long             | STIV             | RF                | US        |    255332 | NS      | $255332.00    | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| DBS Group Holdings Ltd                    | DBS Group Holdings Ltd.                                                     | CUSIP: 000000000<br>LEI: 5493007FKT78NKPM5V55 | Long             | EC               | CORP              | SG        |     17800 | NS      | $450780.95    | 2.16%             |  |  |  | No            |                  2 | On Loan: No      |
| Wal-Mart de Mexico SAB de CV              | Wal-Mart de Mexico SAB de CV                                                | CUSIP: 93114W107<br>LEI: N/A                  | Long             | EC               | CORP              | MX        |      7782 | NS      | $273615.12    | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| KION Group AG                             | KION Group AG                                                               | CUSIP: 000000000<br>LEI: 5299005KY91C4C6U9H17 | Long             | EC               | CORP              | DE        |     12444 | NS      | $356594.43    | 1.71%             |  |  |  | No            |                  2 | On Loan: No      |
| Toray Industries Inc                      | Toray Industries, Inc.                                                      | CUSIP: 000000000<br>LEI: 35380099TCYR5FHT0A11 | Long             | EC               | CORP              | JP        |     80253 | NS      | $450429.44    | 2.16%             |  |  |  | No            |                  2 | On Loan: No      |
| State Street Global Advisors              | State Street Institutional US Government Money Market Fund                  | CUSIP: 857492706<br>LEI: 549300BZ5TGIFZUZDZ37 | Long             | STIV             | RF                | US        |    387126 | NS      | $387125.62    | 1.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Genmab A/S                                | Genmab AS                                                                   | CUSIP: 000000000<br>LEI: 529900MTJPDPE4MHJ122 | Long             | EC               | CORP              | DK        |       958 | NS      | $405579.26    | 1.94%             |  |  |  | No            |                  2 | On Loan: No      |
| Roche Holding AG                          | Roche Holding AG                                                            | CUSIP: 000000000<br>LEI: 549300U41AUUVOAAOB37 | Long             | EC               | CORP              | CH        |      1022 | NS      | $321084.73    | 1.54%             |  |  |  | No            |                  2 | On Loan: No      |
| ASML Holding NV                           | ASML Holding NV                                                             | CUSIP: 000000000<br>LEI: 724500Y6DUVHQD6OXN27 | Long             | EC               | CORP              | NL        |       739 | NS      | $403789.60    | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Alibaba Group Holding Ltd                 | Alibaba Group Holding Ltd.                                                  | CUSIP: 01609W102<br>LEI: 5493001NTNQJDH60PM02 | Long             | EC               | CORP              | KY        |      4837 | NS      | $426091.33    | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| NXP Semiconductors NV                     | NXP Semiconductors NV                                                       | CUSIP: 000000000<br>LEI: 724500M9BY5293JDF951 | Long             | EC               | CORP              | NL        |      2485 | NS      | $392704.55    | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Kerry Group PLC                           | Kerry Group PLC                                                             | CUSIP: 000000000<br>LEI: 635400TLVVBNXLFHWC59 | Long             | EC               | CORP              | IE        |      4256 | NS      | $383783.38    | 1.84%             |  |  |  | No            |                  2 | On Loan: No      |
| Infosys Ltd                               | Infosys Ltd.                                                                | CUSIP: 456788108<br>LEI: 335800TYLGG93MM7PR89 | Long             | EC               | CORP              | IN        |     17863 | NS      | $321712.63    | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| adidas AG                                 | adidas AG                                                                   | CUSIP: 000000000<br>LEI: 549300JSX0Z4CW0V5023 | Long             | EC               | CORP              | DE        |      2180 | NS      | $297438.09    | 1.43%             |  |  |  | No            |                  2 | On Loan: No      |
| Worldline SA/France                       | Worldline SA                                                                | CUSIP: 000000000<br>LEI: 549300CJMQNCA0U4TS33 | Long             | EC               | CORP              | FR        |      8456 | NS      | $330659.36    | 1.58%             |  |  |  | Yes           |                  2 | On Loan: No      |
| CyberArk Software Ltd                     | CyberArk Software Ltd.                                                      | CUSIP: 000000000<br>LEI: 529900YEXNDM894PWS93 | Long             | EC               | CORP              | IL        |      2073 | NS      | $268764.45    | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Symrise AG                                | Symrise AG                                                                  | CUSIP: 000000000<br>LEI: 529900D82I6R9601CF26 | Long             | EC               | CORP              | DE        |      2007 | NS      | $218384.06    | 1.05%             |  |  |  | No            |                  2 | On Loan: No      |
| Air Liquide SA                            | Air Liquide SA                                                              | CUSIP: 000000000<br>LEI: 969500MMPQVHK671GT54 | Long             | EC               | CORP              | FR        |      2367 | NS      | $335469.02    | 1.61%             |  |  |  | No            |                  2 | On Loan: No      |
| Nestle SA                                 | Nestle SA                                                                   | CUSIP: 000000000<br>LEI: KY37LUS27QQX7BB93L28 | Long             | EC               | CORP              | CH        |      1808 | NS      | $209494.53    | 1.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Keyence Corp                              | Keyence Corp.                                                               | CUSIP: 000000000<br>LEI: 529900M7PQBS7A89DZ11 | Long             | EC               | CORP              | JP        |       700 | NS      | $274260.90    | 1.31%             |  |  |  | No            |                  2 | On Loan: No      |
| Pan Pacific International Holdings Corp   | Pan Pacific International Holdings Corp.                                    | CUSIP: 000000000<br>LEI: 529900QLHJM2E18A5763 | Long             | EC               | CORP              | JP        |     19900 | NS      | $371949.86    | 1.78%             |  |  |  | No            |                  2 | On Loan: No      |
| Murata Manufacturing Co Ltd               | Murata Manufacturing Co. Ltd.                                               | CUSIP: 000000000<br>LEI: 529900QZG6DL8ZRI7140 | Long             | EC               | CORP              | JP        |      5293 | NS      | $265698.60    | 1.27%             |  |  |  | No            |                  2 | On Loan: No      |
| London Stock Exchange Group PLC           | London Stock Exchange Group PLC                                             | CUSIP: 000000000<br>LEI: 213800QAUUUP6I445N30 | Long             | EC               | CORP              | GB        |      3463 | NS      | $298755.36    | 1.43%             |  |  |  | No            |                  2 | On Loan: No      |
| Larsen & Toubro Ltd                       | Larsen & Toubro Ltd.                                                        | CUSIP: 000000000<br>LEI: 3358003FR3JIC5FRXA90 | Long             | EC               | CORP              | IN        |     26717 | NS      | $675940.10    | 3.24%             |  |  |  | Yes           |                  1 | On Loan: No      |
| AstraZeneca PLC                           | AstraZeneca PLC                                                             | CUSIP: 000000000<br>LEI: PY6ZZQWO2IZFZC3IOL08 | Long             | EC               | CORP              | GB        |      3728 | NS      | $505591.44    | 2.42%             |  |  |  | No            |                  2 | On Loan: No      |
| Sika AG                                   | Sika AG                                                                     | CUSIP: 000000000<br>LEI: 549300R3N69ECGYPU434 | Long             | EC               | CORP              | CH        |      1221 | NS      | $292754.77    | 1.40%             |  |  |  | No            |                  2 | On Loan: No      |
| Shin-Etsu Chemical Co Ltd                 | Shin-Etsu Chemical Co. Ltd.                                                 | CUSIP: 000000000<br>LEI: 353800PX8Q64N86H5W41 | Long             | EC               | CORP              | JP        |      2600 | NS      | $321434.01    | 1.54%             |  |  |  | No            |                  2 | On Loan: No      |
| Cameco Corp                               | Cameco Corp.                                                                | CUSIP: 13321L108<br>LEI: N4BHALMXL3GMZKCUON55 | Long             | EC               | CORP              | CA        |     20159 | NS      | $457004.53    | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Deutsche Telekom AG                       | Deutsche Telekom AG                                                         | CUSIP: 000000000<br>LEI: 549300V9QSIG4WX4GJ96 | Long             | EC               | CORP              | DE        |     20201 | NS      | $403030.91    | 1.93%             |  |  |  | No            |                  2 | On Loan: No      |
| Canadian Pacific Railway Ltd              | Canadian Pacific Railway Ltd.                                               | CUSIP: 13645T100<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |      3384 | NS      | $252412.56    | 1.21%             |  |  |  | No            |                  1 | On Loan: —       |
| Lonza Group AG                            | Lonza Group AG                                                              | CUSIP: 000000000<br>LEI: 549300EFW4H2TCZ71055 | Long             | EC               | CORP              | CH        |       654 | NS      | $320475.21    | 1.54%             |  |  |  | No            |                  2 | On Loan: No      |
| Nidec Corp                                | Nidec Corp.                                                                 | CUSIP: 000000000<br>LEI: 353800IF171MZTNL6Y31 | Long             | EC               | CORP              | JP        |      4100 | NS      | $213653.61    | 1.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Ferrari NV                                | Ferrari NV                                                                  | CUSIP: 000000000<br>LEI: 549300RIVY5EX8RCON76 | Long             | EC               | CORP              | NL        |      1385 | NS      | $296694.70    | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Itau Unibanco Holding SA                  | Itau Unibanco Holding SA                                                    | CUSIP: 465562106<br>LEI: 5493002W2IVG62O3ZJ94 | Long             | EC               | CORP              | BR        |     48475 | NS      | $228317.25    | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Lasertec Corp                             | Lasertec Corp.                                                              | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | JP        |      2000 | NS      | $331377.63    | 1.59%             |  |  |  | No            |                  2 | On Loan: No      |
| Hermes International                      | Hermes International                                                        | CUSIP: 000000000<br>LEI: 969500Y4IJGHJE2MTJ13 | Long             | EC               | CORP              | FR        |       140 | NS      | $216551.93    | 1.04%             |  |  |  | No            |                  2 | On Loan: No      |
| Shiseido Co Ltd                           | Shiseido Co. Ltd.                                                           | CUSIP: 000000000<br>LEI: 5299008QCD0YDT5OF506 | Long             | EC               | CORP              | JP        |      5100 | NS      | $251463.73    | 1.21%             |  |  |  | No            |                  2 | On Loan: No      |
| Norsk Hydro ASA                           | Norsk Hydro ASA                                                             | CUSIP: 000000000<br>LEI: 549300N1SDN71ZZ8BO45 | Long             | EC               | CORP              | NO        |     35855 | NS      | $268341.56    | 1.29%             |  |  |  | No            |                  2 | On Loan: No      |
| SAP SE                                    | SAP SE                                                                      | CUSIP: 803054204<br>LEI: 529900D6BF99LW9R2E68 | Long             | EC               | CORP              | DE        |      3501 | NS      | $361268.19    | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Diageo PLC                                | Diageo PLC                                                                  | CUSIP: 000000000<br>LEI: 213800ZVIELEA55JMJ32 | Long             | EC               | CORP              | GB        |      7483 | NS      | $330199.94    | 1.58%             |  |  |  | No            |                  2 | On Loan: No      |
| Siemens AG                                | Siemens AG                                                                  | CUSIP: 000000000<br>LEI: W38RGI023J3WT1HWRP32 | Long             | EC               | CORP              | DE        |      2715 | NS      | $376768.89    | 1.81%             |  |  |  | No            |                  2 | On Loan: No      |
| EssilorLuxottica SA                       | EssilorLuxottica SA                                                         | CUSIP: 000000000<br>LEI: 549300M3VH1A3ER1TB49 | Long             | EC               | CORP              | FR        |      1337 | NS      | $242157.51    | 1.16%             |  |  |  | No            |                  2 | On Loan: No      |
| CyberAgent Inc                            | CyberAgent, Inc.                                                            | CUSIP: 000000000<br>LEI: 3538006T5KZABPGS8Q08 | Long             | EC               | CORP              | JP        |     32129 | NS      | $285939.29    | 1.37%             |  |  |  | No            |                  2 | On Loan: No      |
| Taiwan Semiconductor Manufacturing Co Ltd | Taiwan Semiconductor Manufacturing Co. Ltd.                                 | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |      3343 | NS      | $249020.07    | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Prudential PLC                            | Prudential PLC                                                              | CUSIP: 000000000<br>LEI: 5493001Z3ZE83NGK8Y12 | Long             | EC               | CORP              | GB        |     32001 | NS      | $436202.83    | 2.09%             |  |  |  | No            |                  2 | On Loan: No      |
| AIA Group Ltd                             | AIA Group Ltd.                                                              | CUSIP: 000000000<br>LEI: ZP5ILWVSYE4LJGMMVD57 | Long             | EC               | CORP              | HK        |     37320 | NS      | $415014.64    | 1.99%             |  |  |  | No            |                  2 | On Loan: No      |
| Tencent Holdings Ltd                      | Tencent Holdings Ltd.                                                       | CUSIP: 000000000<br>LEI: 254900N4SLUMW4XUYY11 | Long             | EC               | CORP              | KY        |     12432 | NS      | $531972.92    | 2.55%             |  |  |  | No            |                  2 | On Loan: No      |
| HDFC Bank Ltd                             | HDFC Bank Ltd.                                                              | CUSIP: 40415F101<br>LEI: 335800ZQ6I4E2JXENC50 | Long             | EC               | CORP              | IN        |      8982 | NS      | $614458.62    | 2.94%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-01-19

**Name of Applicant:** ULTRA SERIES FUND

**Signature:** Greg Hoppe

**Name of Signer:** Greg Hoppe

**Title:** Chief Financial Officer