# Loomis Sayles Income Fund — new fund registration

LOOMIS SAYLES FUNDS I registered fund series on Form 485APOS, filed 2026-02-27. Featured series: Loomis Sayles Income Fund.

## Registration

- Registrant / trust: LOOMIS SAYLES FUNDS I
- CIK: 0000917469
- Form: 485APOS
- Filed: 2026-02-27
- State of incorporation: MA
- Accession: 0001193125-26-082388
- Reported net assets: $4.3B

## Series & classes (4)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Loomis Sayles Income Fund](https://search.stillhousedata.com/fund/S000006638) | Institutional Class | LSBDX | — |
| [Loomis Sayles Income Fund](https://search.stillhousedata.com/fund/S000006638) | Retail Class | LSBRX | — |
| [Loomis Sayles Income Fund](https://search.stillhousedata.com/fund/S000006638) | Admin Class | LBFAX | — |
| [Loomis Sayles Income Fund](https://search.stillhousedata.com/fund/S000006638) | Class N | LSBNX | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.00%
- Gross expense ratio: 0.71%
- Management fee: 0.56%
- Net expense ratio: 0.64%
- Other expenses: 0.15%

## Investment objective

The Fund seeks to provide income with a

## Advisers

- [Natixis Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/106800)

## Other filings by this registrant (15)

- [485APOS — 2025-11-28](https://search.stillhousedata.com/launch/0001193125-25-301580)
- [485APOS — 2022-11-14](https://search.stillhousedata.com/launch/0001193125-22-284323)
- [485APOS — 2020-11-24](https://search.stillhousedata.com/launch/0001193125-20-302554)
- [485APOS — 2016-11-29](https://search.stillhousedata.com/launch/0001193125-16-779742)
- [485APOS — 2016-09-16 (1 new series)](https://search.stillhousedata.com/launch/0001193125-16-712391)
- [485APOS — 2016-06-21](https://search.stillhousedata.com/launch/0001193125-16-627656)
- [485APOS — 2012-11-29](https://search.stillhousedata.com/launch/0001193125-12-485101)
- [485APOS — 2011-11-22](https://search.stillhousedata.com/launch/0001193125-11-319771)
- [485APOS — 2010-03-29](https://search.stillhousedata.com/launch/0001193125-10-069756)
- [485APOS — 2009-11-23](https://search.stillhousedata.com/launch/0001193125-09-240215)
- [485APOS — 2008-12-03](https://search.stillhousedata.com/launch/0001193125-08-247293)
- [485APOS — 2007-12-03](https://search.stillhousedata.com/launch/0001193125-07-257936)

## More

- [Registrant profile: LOOMIS SAYLES FUNDS I](https://search.stillhousedata.com/registrant/917469)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001193125-26-082388.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.