# Core Plus Bond Fund fka Bond & Mortgage Securities Fund — new fund registration

PRINCIPAL FUNDS INC registered fund series on Form 485APOS, filed 2018-12-28. Featured series: Core Plus Bond Fund fka Bond & Mortgage Securities Fund.

## Registration

- Registrant / trust: PRINCIPAL FUNDS INC
- CIK: 0000898745
- Form: 485APOS
- Filed: 2018-12-28
- State of incorporation: MD
- Accession: 0000898745-18-001092
- Reported net assets: $490.5M

## Series & classes (423)

_Showing 25 of 423 series/class rows._

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | R-1 | PBOMX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | R-2 | PBMNX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | R-3 | PBMMX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | R-5 | PBMPX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | R-4 | PBMSX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | Institutional Class | PMSIX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | J Class | PBMJX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | A Class | PRBDX | — |
| [Core Plus Bond Fund fka Bond & Mortgage Securities Fund](https://search.stillhousedata.com/fund/S000006952) | Class C | PBMCX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | R-1 | PDVIX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | R-2 | PINNX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | R-3 | PINRX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | R-5 | PINPX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | R-4 | PINLX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | Institutional Class | PIIIX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | Class J | PIIJX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | Class A | PRWLX | — |
| [Diversified International Fund](https://search.stillhousedata.com/fund/S000006992) | Class C | PDNCX | — |
| [High Yield Fund I](https://search.stillhousedata.com/fund/S000006996) | Institutional Class | PYHIX | — |
| [High Yield Fund I](https://search.stillhousedata.com/fund/S000006996) | Class A | PYHAX | — |
| [Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006997) | R-2 | PBSAX | — |
| [Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006997) | R-3 | PIFPX | — |
| [Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006997) | R-5 | PBPPX | — |
| [Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006997) | R-4 | PIFSX | — |
| [Inflation Protection Fund](https://search.stillhousedata.com/fund/S000006997) | R-1 | PISPX | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.35%
- Gross expense ratio: 1.31%
- Management fee: 0.42%
- Net expense ratio: 1.31%
- Other expenses: 0.54%

## Investment objective

The Fund seeks to provide current income

## Advisers

- [Principal Global Investors, LLC (Advisor)](https://search.stillhousedata.com/firm/109002)

## Other filings by this registrant (15)

- [485APOS — 2026-06-26](https://search.stillhousedata.com/launch/0000898745-26-000760)
- [485APOS — 2025-12-16 (1 new series)](https://search.stillhousedata.com/launch/0000898745-25-000688)
- [485APOS — 2025-04-04 (1 new series)](https://search.stillhousedata.com/launch/0000898745-25-000260)
- [NT NPORT-P — 2022-12-30](https://search.stillhousedata.com/launch/0001752724-22-298176)
- [485APOS — 2022-12-14 (9 new series)](https://search.stillhousedata.com/launch/0001683863-22-007624)
- [485APOS — 2022-09-19](https://search.stillhousedata.com/launch/0000898745-22-000163)
- [485APOS — 2022-07-01 (1 new series)](https://search.stillhousedata.com/launch/0001683863-22-005229)
- [485APOS — 2020-12-29](https://search.stillhousedata.com/launch/0000898745-20-000772)
- [485APOS — 2020-10-30](https://search.stillhousedata.com/launch/0000898745-20-000619)
- [485APOS — 2019-12-17](https://search.stillhousedata.com/launch/0000898745-19-000725)
- [485APOS — 2019-10-31](https://search.stillhousedata.com/launch/0000898745-19-000686)
- [485APOS — 2019-03-29 (1 new series)](https://search.stillhousedata.com/launch/0000898745-19-000316)

## More

- [Registrant profile: PRINCIPAL FUNDS INC](https://search.stillhousedata.com/registrant/898745)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000898745-18-001092.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.