# MP MATERIALS CORP MP Materials Corp

MP MATERIALS CORP MP Materials Corp is a security (CUSIP 553368AC5) tracked across SEC portfolio filings. 20 registered fund positions totaling $93.5M via N-PORT as of 2026-05-29.

## Summary

- Issuer: MP MATERIALS CORP
- Class: MP Materials Corp
- CUSIP: 553368AC5
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 20
- N-PORT value: $93.5M
- N-PORT report: 2026-05-29

## Top fund holders (N-PORT)

_Showing 15 of 20 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Calamos Market Neutral Income Fund](https://search.stillhousedata.com/fund/S000004062) | CALAMOS INVESTMENT TRUST/IL | $31.8M | 18.03% |
| [NYLI MacKay Convertible Fund](https://search.stillhousedata.com/fund/S000006899) | NEW YORK LIFE INVESTMENTS FUNDS | $10.3M | 57.44% |
| CALAMOS CONVERTIBLE & HIGH INCOME FUND | CALAMOS CONVERTIBLE & HIGH INCOME FUND | $6.4M | 62.19% |
| Ellsworth Growth & Income Fund Ltd | Ellsworth Growth & Income Fund Ltd | $6.2M | 362.97% |
| CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | $5.6M | 57.53% |
| Bancroft Fund Ltd | Bancroft Fund Ltd | $5.2M | 380.06% |
| Calamos Dynamic Convertible & Income Fund | Calamos Dynamic Convertible & Income Fund | $4.8M | 69.74% |
| [Putnam Convertible Securities Fund](https://search.stillhousedata.com/fund/S000005511) | Putnam Convertible Securities Fund | $3.6M | 63.31% |
| Virtus Convertible & Income Fund | Virtus Convertible & Income Fund | $3.3M | 78.94% |
| Virtus Convertible & Income Fund II | Virtus Convertible & Income Fund II | $2.6M | 82.16% |
| Virtus Equity & Convertible Income Fund | Virtus Equity & Convertible Income Fund | $2.6M | 32.40% |
| Virtus Dividend, Interest & Premium Strategy Fund | Virtus Dividend, Interest & Premium Strategy Fund | $2.6M | 18.15% |
| Gabelli Convertible & Income Securities Fund Inc | Gabelli Convertible & Income Securities Fund Inc | $2.4M | 285.89% |
| Franklin BSP Private Credit Fund | Franklin BSP Private Credit Fund | $2.0M | 174.26% |
| Virtus Diversified Income & Convertible Fund | Virtus Diversified Income & Convertible Fund | $2.0M | 69.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/553368AC5.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.