# Mid Cap Fund

Mid Cap Fund is a registered fund series of ULTRA SERIES FUND (series S000019983). Net assets $102.0M as of 2026-03-31.

## Profile

- Series ID: S000019983
- Registrant: ULTRA SERIES FUND
- LEI: 2549003E389BDUF7PS08
- Net assets: $102.0M
- Total assets: $102.4M
- As of: 2026-03-31

## Advisers

- [Madison Asset Management, LLC (Advisor)](https://search.stillhousedata.com/firm/130874)

## Top holdings (37 reported)

_Showing 15 of 37 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Ross Stores Inc](https://search.stillhousedata.com/security/778296103) | — | $8.6M | 842.96% |
| Arch Capital Group Ltd | — | $8.1M | 796.62% |
| [State Street Global Advisors](https://search.stillhousedata.com/security/857492706) | — | $5.5M | 540.76% |
| [Amphenol Corp](https://search.stillhousedata.com/security/032095101) | — | $4.4M | 433.04% |
| [Brown & Brown Inc](https://search.stillhousedata.com/security/115236101) | — | $4.3M | 417.07% |
| [Carlisle Cos Inc](https://search.stillhousedata.com/security/142339100) | — | $4.1M | 406.49% |
| [Labcorp Holdings Inc](https://search.stillhousedata.com/security/504922105) | — | $3.7M | 359.48% |
| [PACCAR Inc](https://search.stillhousedata.com/security/693718108) | — | $3.7M | 359.21% |
| [Liberty Media Corp-Liberty Formula One](https://search.stillhousedata.com/security/531229755) | — | $3.6M | 353.91% |
| [Medpace Holdings Inc](https://search.stillhousedata.com/security/58506Q109) | — | $3.5M | 341.89% |
| [Teledyne Technologies Inc](https://search.stillhousedata.com/security/879360105) | — | $3.4M | 330.12% |
| [CDW Corp/DE](https://search.stillhousedata.com/security/12514G108) | — | $3.0M | 298.49% |
| [W R Berkley Corp](https://search.stillhousedata.com/security/084423102) | — | $3.0M | 294.01% |
| [Moelis & Co](https://search.stillhousedata.com/security/60786M105) | — | $2.8M | 275.29% |
| [MSA Safety Inc](https://search.stillhousedata.com/security/553498106) | — | $2.7M | 268.07% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $102.0M |
| 2025-12-31 | $111.4M |
| 2025-09-30 | $117.9M |
| 2025-06-30 | $122.2M |
| 2025-03-31 | $130.9M |
| 2024-12-31 | $141.9M |
| 2024-09-30 | $151.8M |
| 2024-06-30 | $147.1M |

## More

- [Registrant: ULTRA SERIES FUND](https://search.stillhousedata.com/registrant/732697)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000019983.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.