# EDGAR Filing Document

**Accession Number:** 0000732697
**File Stem:** 0001752724-23-026675
**Filing Date:** 2023-2
**Character Count:** 15818
**Document Hash:** 1e6898cbb7d383003030b14c5c979d14
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-026675.hdr.sgml**: 20230216

**ACCESSION NUMBER**: 0001752724-23-026675

**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:** 23638492

**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

### Mid Cap Fund (Series ID: S000019983)

| Class ID   | Class Name            | Ticker Symbol   |
|:---|:---|:---|
| C000056041 | Mid Cap Fund Class I  |  |
| C000074788 | Mid Cap 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:** Mid Cap Fund

- **b. EDGAR series identifier (if any):** S000019983

- **c. LEI of Series:** 2549003E389BDUF7PS08

**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:** $141699030.84

**Total Liabilities:** $3129439.61

**Net Assets:** $138569591.23

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000074788 | 8.07%                | 7.50%                | -5.50%               |
| Class ID C000056041 | 8.10%                | 7.52%                | -5.48%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $10533410.61                               |
| Month 2  | $-1552223.79             | $11848763.05                               |
| Month 3  | $-3342043.26             | $-4857824.94                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Expeditors International of Washington Inc | Expeditors International of Washington, Inc.                                | CUSIP: 302130109<br>LEI: 984500B055A804AB6E40 | Long             | EC               | CORP              | US        |     26007 | NS      | $2702647.44   | 1.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Progressive Corp/The                       | Progressive Corp.                                                           | CUSIP: 743315103<br>LEI: 529900TACNVLY9DCR586 | Long             | EC               | CORP              | US        |     35655 | NS      | $4624810.05   | 3.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Liberty Broadband Corp                     | Liberty Broadband Corp.                                                     | CUSIP: 530307305<br>LEI: 549300MIX43II8JLN536 | Long             | EC               | CORP              | US        |     64930 | NS      | $4952211.10   | 3.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp                              | Amphenol Corp.                                                              | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |     59123 | NS      | $4501625.22   | 3.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Brookfield Asset Management Ltd            | Brookfield Asset Management Ltd.                                            | CUSIP: 113004105<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |     21012 | NS      | $602414.04    | 0.43%             |  |  |  | No            |                  1 | On Loan: —       |
| Brown-Forman Corp                          | Brown-Forman Corp.                                                          | CUSIP: 115637209<br>LEI: 549300873K3LXF7ARU34 | Long             | EC               | CORP              | US        |     21417 | NS      | $1406668.56   | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Arch Capital Group Ltd                     | Arch Capital Group Ltd.                                                     | CUSIP: 000000000<br>LEI: 549300AYR4P8AFKDCE43 | Long             | EC               | CORP              | BM        |    204492 | NS      | $12838007.76  | 9.26%             |  |  |  | No            |                  1 | 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        |   2995413 | NS      | $2995413.00   | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Black Knight Inc                           | Black Knight, Inc.                                                          | CUSIP: 09215C105<br>LEI: 549300TUSNXS3BFFML48 | Long             | EC               | CORP              | US        |     54393 | NS      | $3358767.75   | 2.42%             |  |  |  | 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        |   6541735 | NS      | $6541734.77   | 4.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Microchip Technology Inc                   | Microchip Technology, Inc.                                                  | CUSIP: 595017104<br>LEI: 5493007PTFULNYZJ1R12 | Long             | EC               | CORP              | US        |     23162 | NS      | $1627130.50   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Armstrong World Industries Inc             | Armstrong World Industries, Inc.                                            | CUSIP: 04247X102<br>LEI: KXMRXXOJ88Q45Y45MG74 | Long             | EC               | CORP              | US        |     27932 | NS      | $1915855.88   | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| CDW Corp/DE                                | CDW Corp.                                                                   | CUSIP: 12514G108<br>LEI: 9845001B052ABF0B6755 | Long             | EC               | CORP              | US        |     28434 | NS      | $5077743.72   | 3.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Dollar Tree Inc                            | Dollar Tree, Inc.                                                           | CUSIP: 256746108<br>LEI: 549300PMSTQITB1WHR43 | Long             | EC               | CORP              | US        |     46433 | NS      | $6567483.52   | 4.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Take-Two Interactive Software Inc          | Take-Two Interactive Software, Inc.                                         | CUSIP: 874054109<br>LEI: BOMSTHHJK882EWYX3334 | Long             | EC               | CORP              | US        |     16290 | NS      | $1696277.70   | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| W R Berkley Corp                           | W R Berkley Corp.                                                           | CUSIP: 084423102<br>LEI: SQOAGCLKBDWNVYV1OV80 | Long             | EC               | CORP              | US        |     58786 | NS      | $4266100.02   | 3.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Gartner Inc                                | Gartner, Inc.                                                               | CUSIP: 366651107<br>LEI: PP55B5R38BFB8O8HH686 | Long             | EC               | CORP              | US        |     26738 | NS      | $8987711.32   | 6.49%             |  |  |  | No            |                  1 | On Loan: No      |
| PACCAR Inc                                 | PACCAR, Inc.                                                                | CUSIP: 693718108<br>LEI: KDTEY8BWE486IKZ3CC07 | Long             | EC               | CORP              | US        |     53161 | NS      | $5261344.17   | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Carlisle Cos Inc                           | Carlisle Cos., Inc.                                                         | CUSIP: 142339100<br>LEI: XR64VGX1ZPX6G7ZN7Z11 | Long             | EC               | CORP              | US        |     22197 | NS      | $5230723.05   | 3.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Markel Corp                                | Markel Corp.                                                                | CUSIP: 570535104<br>LEI: 549300SCNO12JLWIK605 | Long             | EC               | CORP              | US        |      3005 | NS      | $3959057.45   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Arista Networks Inc                        | Arista Networks, Inc.                                                       | CUSIP: 040413106<br>LEI: 635400H1WKBLOQERUU95 | Long             | EC               | CORP              | US        |     39592 | NS      | $4804489.20   | 3.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Brookfield Corp                            | Brookfield Corp.                                                            | CUSIP: 11271J107<br>LEI: C6J3FGIWG6MBDGTE8F80 | Long             | EC               | CORP              | CA        |     84048 | NS      | $2644150.08   | 1.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Ross Stores Inc                            | Ross Stores, Inc.                                                           | CUSIP: 778296103<br>LEI: 549300ENZFLPGRDFZQ60 | Long             | EC               | CORP              | US        |     77349 | NS      | $8977898.43   | 6.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Liberty Media Corp-Liberty Formula One     | Liberty Media Corp.-Liberty Formula One                                     | CUSIP: 531229854<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     25030 | NS      | $1496293.40   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| CarMax Inc                                 | CarMax, Inc.                                                                | CUSIP: 143130102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     57186 | NS      | $3482055.54   | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Brown & Brown Inc                          | Brown & Brown, Inc.                                                         | CUSIP: 115236101<br>LEI: 549300PC8KTJ71XKFY89 | Long             | EC               | CORP              | US        |    103378 | NS      | $5889444.66   | 4.25%             |  |  |  | No            |                  1 | On Loan: No      |
| MKS Instruments Inc                        | MKS Instruments, Inc.                                                       | CUSIP: 55306N104<br>LEI: 549300KEQATBHAGVF505 | Long             | EC               | CORP              | US        |     46715 | NS      | $3958161.95   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Laboratory Corp of America Holdings        | Laboratory Corp. of America Holdings                                        | CUSIP: 50540R409<br>LEI: OZ7UA8IXAIFILY2VZH07 | Long             | EC               | CORP              | US        |     22577 | NS      | $5316431.96   | 3.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Copart Inc                                 | Copart, Inc.                                                                | CUSIP: 217204106<br>LEI: 549300KVYX3JWMYEHU61 | Long             | EC               | CORP              | US        |     78964 | NS      | $4808117.96   | 3.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Moelis & Co                                | Moelis & Co.                                                                | CUSIP: 60786M105<br>LEI: 549300891QNU7VTQUR83 | Long             | EC               | CORP              | US        |     65812 | NS      | $2525206.44   | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Glacier Bancorp Inc                        | Glacier Bancorp, Inc.                                                       | CUSIP: 37637Q105<br>LEI: 549300SMJAUKZB5D7V74 | Long             | EC               | CORP              | US        |     49949 | NS      | $2468479.58   | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Thor Industries Inc                        | Thor Industries, Inc.                                                       | CUSIP: 885160101<br>LEI: 254900XZO1228PDSG060 | Long             | EC               | CORP              | US        |     31510 | NS      | $2378689.90   | 1.72%             |  |  |  | No            |                  1 | On Loan: —       |
| Floor & Decor Holdings Inc                 | Floor & Decor Holdings, Inc.                                                | CUSIP: 339750101<br>LEI: 549300M5FR3N688XGQ36 | Long             | EC               | CORP              | US        |     52363 | NS      | $3646035.69   | 2.63%             |  |  |  | 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