---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-281028"
form_type: "8-K"
ticker: "PTY"
cik: "0001190935"
company_name: "PIMCO CORPORATE & INCOME OPPORTUNITY FUND"
filed_at: "2026-06-24T20:03:42+00:00"
generated_at: "2026-06-24T20:05:42.121861+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# PIMCO Corporate & Income Opportunity Fund expands strategy to include loan origination and unlimited defaulted bonds

## Summary
- Effective June 24, 2026, Fund may invest in and originate loans (residential, commercial, consumer, bridge, subprime) with no borrower credit criteria restrictions.
- Effective July 24, 2026, Fund may invest without limitation in defaulted bonds, expanding prior 20% cap on low-rated debt for non-mortgage/ABS.
- Supplement to prospectus adds new risk sections on loan origination, foreign loan originations, and clarifies credit quality policies.

## SEC filing metadata
- accession: 0001193125-26-281028
- form_type: 8-K
- ticker: PTY
- cik: 0001190935
- company_name: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
- filed_at: 2026-06-24T20:03:42+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1190935/000119312526281028/0001193125-26-281028-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1190935/000119312526281028/d162202d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-281028
- JSON: https://secwatch.observer/filing/0001193125-26-281028.json
- Plain text: https://secwatch.observer/filing/0001193125-26-281028.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.