# EDGAR Filing Document

**Accession Number:** 0000732697
**File Stem:** 0001752724-25-191559
**Filing Date:** 2025-8
**Character Count:** 14123
**Document Hash:** 3812058e3612910d53ef83b4d1d31d7f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-191559.hdr.sgml**: 20250818

**ACCESSION NUMBER**: 0001752724-25-191559

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250818

**DATE AS OF CHANGE**: 20250818

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ULTRA SERIES FUND
- **CENTRAL INDEX KEY:** 0000732697

**ORGANIZATION NAME:**
- **EIN:** 392004659
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04815
- **FILM NUMBER:** 251227583

**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

### Large Cap Growth Fund (Series ID: S000019982)

| Class ID   | Class Name                     | Ticker Symbol   |
|:---|:---|:---|
| C000056040 | Large Cap Growth Fund Class I  |  |
| C000074787 | Large Cap Growth 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:** Large Cap Growth Fund

- **b. EDGAR series identifier (if any):** S000019982

- **c. LEI of Series:** 254900ELEL08CEULX196

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

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**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:** $180990417.16

**Total Liabilities:** $150911.25

**Net Assets:** $180839505.91

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000056040 | -2.62%               | 2.87%                | 2.65%                |
| Class ID C000074787 | -2.64%               | 2.84%                | 2.63%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $5288078.83              | $-10415862.73                              |
| Month 2  | $5968784.08              | $-688794.55                                |
| Month 3  | $8176645.17              | $-3298162.75                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Accenture PLC                | Accenture PLC                                              | CUSIP: 000000000<br>LEI: 5493000EWHDSR3MZWH98 | Long             | EC               | CORP              | IE        |     15835 | NS      | $4732923.15   | 2.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp/The         | Progressive Corp.                                          | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     25989 | NS      | $6935424.54   | 3.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Liberty Broadband Corp       | Liberty Broadband Corp.                                    | CUSIP: 530307305<br>LEI: 549300MIX43II8JLN536 | Long             | EC               | CORP              | US        |     35255 | NS      | $3468386.90   | 1.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Arch Capital Group Ltd       | Arch Capital Group Ltd.                                    | CUSIP: 000000000<br>LEI: 549300AYR4P8AFKDCE43 | Long             | EC               | CORP              | BM        |    118293 | NS      | $10770577.65  | 5.96%             |  |  |  | No            |                  1 | On Loan: No      |
| NIKE Inc                     | NIKE, Inc.                                                 | CUSIP: 654106103<br>LEI: 787RXPR0UX0O0XUXPZ81 | Long             | EC               | CORP              | US        |     33410 | NS      | $2373446.40   | 1.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies Inc     | Agilent Technologies, Inc.                                 | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |     39894 | NS      | $4707890.94   | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Alcon AG                     | Alcon AG                                                   | CUSIP: 000000000<br>LEI: 549300LDT5AP8S0NBM78 | Long             | EC               | CORP              | CH        |     70996 | NS      | $6267526.88   | 3.47%             |  |  |  | No            |                  1 | On Loan: —       |
| Texas Instruments Inc        | Texas Instruments, Inc.                                    | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |     43274 | NS      | $8984547.88   | 4.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                     | Visa, Inc.                                                 | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     19661 | NS      | $6980638.05   | 3.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Elevance Health Inc          | Elevance Health, Inc.                                      | CUSIP: 036752103<br>LEI: 8MYN82XMYQH89CTMTH67 | Long             | EC               | CORP              | US        |      9433 | NS      | $3669059.68   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Fiserv Inc                   | Fiserv, Inc.                                               | CUSIP: 337738108<br>LEI: GI7UBEJLXYLGR2C7GV83 | Long             | EC               | CORP              | US        |     43725 | NS      | $7538627.25   | 4.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Lowe's Cos Inc               | Lowe's Cos., Inc.                                          | CUSIP: 548661107<br>LEI: WAFCR4OKGSC504WU3E95 | Long             | EC               | CORP              | US        |     27202 | NS      | $6035307.74   | 3.34%             |  |  |  | No            |                  1 | On Loan: No      |
| CDW Corp/DE                  | CDW Corp.                                                  | CUSIP: 12514G108<br>LEI: 9845001B052ABF0B6755 | Long             | EC               | CORP              | US        |     29562 | NS      | $5279477.58   | 2.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                 | Alphabet, Inc.                                             | CUSIP: 02079K107<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     52790 | NS      | $9364418.10   | 5.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Gartner Inc                  | Gartner, Inc.                                              | CUSIP: 366651107<br>LEI: PP55B5R38BFB8O8HH686 | Long             | EC               | CORP              | US        |     13508 | NS      | $5460203.76   | 3.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Marsh & McLennan Cos Inc     | Marsh & McLennan Cos., Inc.                                | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |     20755 | NS      | $4537873.20   | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Airbnb Inc                   | Airbnb, Inc.                                               | CUSIP: 009066101<br>LEI: 549300HMUDNO0RY56D37 | Long             | EC               | CORP              | US        |     22600 | NS      | $2990884.00   | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| PACCAR Inc                   | PACCAR, Inc.                                               | CUSIP: 693718108<br>LEI: KDTEY8BWE486IKZ3CC07 | Long             | EC               | CORP              | US        |     72879 | NS      | $6927877.74   | 3.83%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The              | TJX Cos., Inc.                                             | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |     29690 | NS      | $3666418.10   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| State Street Global Advisors | State Street Institutional US Government Money Market Fund | CUSIP: 857492706<br>LEI: 549300BZ5TGIFZUZDZ37 | Long             | STIV             | RF                | US        |   3704865 | NS      | $3704865.10   | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Brookfield Corp              | Brookfield Corp.                                           | CUSIP: 11271J107<br>LEI: C6J3FGIWG6MBDGTE8F80 | Long             | EC               | CORP              | CA        |     91643 | NS      | $5668119.55   | 3.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Parker-Hannifin Corp         | Parker-Hannifin Corp.                                      | CUSIP: 701094104<br>LEI: 5493002CONDB4N2HKI23 | Long             | EC               | CORP              | US        |      9632 | NS      | $6727663.04   | 3.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Deere & Co                   | Deere & Co.                                                | CUSIP: 244199105<br>LEI: PWFTNG3EI0Y73OXWDH08 | Long             | EC               | CORP              | US        |      9068 | NS      | $4610987.32   | 2.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc           | Analog Devices, Inc.                                       | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |     21901 | NS      | $5212876.02   | 2.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The      | Charles Schwab Corp.                                       | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |     51182 | NS      | $4669845.68   | 2.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Starbucks Corp               | Starbucks Corp.                                            | CUSIP: 855244109<br>LEI: OQSJ1DU9TAOC51A47K68 | Long             | EC               | CORP              | US        |     37193 | NS      | $3407994.59   | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson Enterprises Inc     | Ferguson Enterprises, Inc.                                 | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |     38278 | NS      | $8335034.50   | 4.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Copart Inc                   | Copart, Inc.                                               | CUSIP: 217204106<br>LEI: 549300KVYX3JWMYEHU61 | Long             | EC               | CORP              | US        |    107016 | NS      | $5251275.12   | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Keysight Technologies Inc    | Keysight Technologies, Inc.                                | CUSIP: 49338L103<br>LEI: 549300GLKVIO8YRCYN02 | Long             | EC               | CORP              | US        |     39160 | NS      | $6416757.60   | 3.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                 | Danaher Corp.                                              | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     33377 | NS      | $6593292.58   | 3.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc               | Amazon.com, Inc.                                           | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |     43300 | NS      | $9499587.00   | 5.25%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-16

**Name of Applicant:** ULTRA SERIES FUND

**Signature:** Greg Hoppe

**Name of Signer:** Greg Hoppe

**Title:** Chief Financial Officer