# PIMCO Corporate & Income Opportunity Fund

PIMCO Corporate & Income Opportunity Fund (CIK 1190935) is an SEC-registered fund company and $2.4B in net assets as of 2026-03-31.

## Registrant

- CIK: 1190935
- File number: 811-21238
- LEI: HDLWHPN6NOUBN66AS151
- Address: 1633 Broadway, New York, US-NY, 10019
- Phone: (844) 337-4626
- Net assets: $2.4B
- Total assets: $3.4B
- Latest report: 2026-03-31

## Fund series (1)

| Series | Net assets |
| --- | --- |
| (unnamed) | $2.4B |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| PIMCO FUNDS | $111.6M |
| [PROMOTORA DE INFORMACIONES SA (PRISA)](https://search.stillhousedata.com/security/BA000KZZ7) | $64.7M |
| [AMSURG (AMBULATORY TOPCO LLC)](https://search.stillhousedata.com/security/902RDL901) | $55.9M |
| [US RENAL CARE INC](https://search.stillhousedata.com/security/90290PAS3) | $54.3M |
| [BEIGNET INVESTOR LLC](https://search.stillhousedata.com/security/076912AA2) | $48.1M |
| [PERATON CORP](https://search.stillhousedata.com/security/71360HAB3) | $47.9M |
| [SYNIVERSE HOLDINGS LLC](https://search.stillhousedata.com/security/87168TAB7) | $44.3M |
| [COLOMBIAN GOVT](https://search.stillhousedata.com/security/ACI2Z7LJ3) | $43.9M |
| [CHEPLAPHARM ARZNEIMITTEL GMBH](https://search.stillhousedata.com/security/ACI2FPJG4) | $41.9M |
| [AMS-OSRAM AG](https://search.stillhousedata.com/security/BMVM6ZII7) | $41.4M |
| [EGYPTIAN GOVT](https://search.stillhousedata.com/security/ACI350557) | $39.1M |
| [ECOPETROL SA](https://search.stillhousedata.com/security/279158AW9) | $38.8M |
| [COMETE HOLDING](https://search.stillhousedata.com/security/964NDFII9) | $35.0M |
| [DISH DBS CORPORATION](https://search.stillhousedata.com/security/25470XBF1) | $33.2M |
| [FINASTRA USA INC](https://search.stillhousedata.com/security/31772YAD8) | $32.8M |

## More

- [CIK 1190935 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1190935&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/1190935.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.