# Oppenheimer Ultra-Short Duration Fund

Oppenheimer Ultra-Short Duration Fund (CIK 1510830) is a registered fund company with registration filings on record — latest 485APOS. It has not yet filed a portfolio report (N-PORT).

## Registrant

- CIK: 1510830
- File number: 333-171815

## Former names

Oppenheimer Short Duration Fund; Oppenheimer Liquid Opportunities Fund

## Registration filings (4)

| Filed | Form | Name as filed |
| --- | --- | --- |
| [2014-09-26](https://search.stillhousedata.com/launch/0000728889-14-001215) | 485APOS | Oppenheimer Ultra-Short Duration Fund |
| [2011-04-12](https://search.stillhousedata.com/launch/0000728889-11-000543) | N-1A/A | Oppenheimer Short Duration Fund |
| [2011-03-15](https://search.stillhousedata.com/launch/0000728889-11-000445) | N-1A/A | Oppenheimer Short Duration Fund |
| [2011-01-21](https://search.stillhousedata.com/launch/0000728889-11-000043) | N-1A | Oppenheimer Liquid Opportunities Fund |

## More

- [CIK 1510830 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1510830&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1510830.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.