# CORNING INC GLW 4.375 11/15/57

CORNING INC GLW 4.375 11/15/57 is a security (CUSIP 219350BF1) tracked across SEC portfolio filings. 7 registered fund positions totaling $7.1M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CORNING INC
- Class: GLW 4.375 11/15/57
- CUSIP: 219350BF1
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 7
- N-PORT value: $7.1M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Guggenheim Strategic Opportunities Fund | Guggenheim Strategic Opportunities Fund | $3.3M | 13.72% |
| BlackRock Core Bond Trust | BlackRock Core Bond Trust | $1.6M | 22.53% |
| BlackRock Multi-Sector Income Trust | BlackRock Multi-Sector Income Trust | $1.5M | 19.73% |
| [GENERAL ELECTRIC RSP INCOME FUND](https://search.stillhousedata.com/fund/S000011837) | GENERAL ELECTRIC RSP INCOME FUND | $325K | 1.66% |
| [GMO Systematic Investment Grade Credit ETF](https://search.stillhousedata.com/fund/S000088550) | GMO ETF Trust | $243K | 86.97% |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | BlackRock Bond Fund, Inc. | $157K | 0.09% |
| [Core Fixed Income Fund](https://search.stillhousedata.com/fund/S000008437) | MORGAN STANLEY PATHWAY FUNDS | $20K | 0.11% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/219350BF1.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.