# Iron Mountain, Inc.

Iron Mountain, Inc. is a security (CUSIP 46284VAL5) tracked across SEC portfolio filings. 21 registered fund positions totaling $31.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Iron Mountain, Inc.
- CUSIP: 46284VAL5
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 21
- N-PORT value: $31.6M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

_Showing 15 of 21 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [MFS High Income Fund](https://search.stillhousedata.com/fund/S000002427) | MFS Series Trust III | $7.1M | 36.37% |
| [Franklin High Income Fund](https://search.stillhousedata.com/fund/S000006840) | Franklin High Income Trust | $6.2M | 21.69% |
| [American High Income Trust](https://search.stillhousedata.com/fund/S000009230) | American High Income Trust | $5.1M | 1.89% |
| [NORTHEAST INVESTORS TRUST](https://search.stillhousedata.com/fund/S000011440) | NORTHEAST INVESTORS TRUST | $3.9M | 312.00% |
| BlackRock Corporate High Yield Fund, Inc. | BlackRock Corporate High Yield Fund, Inc. | $3.2M | 17.61% |
| Guggenheim Credit Allocation Fund | Guggenheim Credit Allocation Fund | $1.6M | 76.56% |
| [BlackRock High Yield V.I. Fund](https://search.stillhousedata.com/fund/S000062376) | BlackRock Variable Series Funds II, Inc. | $1.1M | 9.58% |
| MFS CHARTER INCOME TRUST | MFS CHARTER INCOME TRUST | $914K | 33.63% |
| MFS MULTIMARKET INCOME TRUST | MFS MULTIMARKET INCOME TRUST | $610K | 22.59% |
| BlackRock Credit Allocation Income Trust | BlackRock Credit Allocation Income Trust | $479K | 4.67% |
| Franklin Universal Trust | Franklin Universal Trust | $297K | 13.45% |
| [Series P (High Yield Series)](https://search.stillhousedata.com/fund/S000010055) | Guggenheim Variable Funds Trust | $243K | 91.90% |
| MFS INTERMEDIATE HIGH INCOME FUND | MFS INTERMEDIATE HIGH INCOME FUND | $176K | 56.29% |
| BlackRock Debt Strategies Fund, Inc. | BlackRock Debt Strategies Fund, Inc. | $110K | 1.78% |
| [BlackRock Strategic Global Bond Fund, Inc.](https://search.stillhousedata.com/fund/S000002866) | BlackRock Strategic Global Bond Fund, Inc. | $97K | 1.11% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/46284VAL5.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.