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Which closed-end funds own Iron Mountain Info Mgmt?

10 active closed-end funds report this security in their latest N-PORT filing, with a combined reported value of $5.2M. Security type: debt security. Country: United States. CUSIP 46285MAA8 · ISIN US46285MAA80 · ticker IRM.

Holdings are historical filings (report dates May 29, 2026 – Jul 31, 2026; N-PORT becomes public ~60 days after quarter end), not live positions. Weights are percent of each fund’s net assets. Different instruments of one issuer (shares, bonds, preferreds) are separate securities — see related securities below.

Funds holding this security

FundCategoryWeightValue (USD)BalanceFund net assetsPrem/discReport date
VLT Invesco High Income Trust IIHigh Yield0.55%$554K574,000 par$101M11.5% discountMay 31, 2026
TBLD Thornburg Income Builder Opportunities TrustMulti-Asset0.39%$2.9M3,000,000 par$736M10.0% discountJun 30, 2026
TSI TCW Strategic Income FundMulti-Asset0.12%$404K420,000 par$342MNAV unavailableJun 30, 2026
GBAB Guggenheim Taxable Municipal Bond & Investment Grade Debt TrustMunicipal Bonds0.07%$289K300,000 par$402MNAV unavailableMay 29, 2026
JHS John Hancock Income Securities TrustTaxable Bonds0.06%$132K139,000 par$229M10.8% discountJul 31, 2026
VBF Invesco Bond FundTaxable Bonds0.03%$61.7K64,000 par$187M7.3% discountMay 31, 2026
BTZ BlackRock Credit Allocation Income TrustTaxable Bonds0.03%$345K359,000 par$1.2B9.0% discountJun 30, 2026
BLW BlackRock Ltd Duration Income TrustTaxable Bonds0.03%$137K143,000 par$532M7.8% discountJun 30, 2026
HYT BlackRock Corporate High Yield FundHigh Yield0.01%$347K361,000 par$2.5B10.7% discountJun 30, 2026
DSU BlackRock Debt Strategies FundTaxable Bonds0.01%$91.3K95,000 par$750M6.6% discountJun 30, 2026

10 positions. Source: SEC Form N-PORT via market-data vendor re-serve. Funds without an N-PORT on file cannot appear here.

Also listed in filings as: IRON MOUNTAIN INFORMATION MANAGEMENT SERVICES INC; Iron Mountain Information Management Services Inc.; Iron Mountain Information Management Services, Inc..

Related securities from the same issuer

SecurityTypeFunds holding
Iron Mountain Incdebt security20
Iron Mountain Inc (REIT)common equity17
Iron Mountain Incdebt security14
Iron Mountain Incloan13
Iron Mountain Incdebt security12
Iron Mountain Incdebt security9
Iron Mountain Incdebt security8
Iron Mountain Incdebt security8
Iron Mountain Incdebt security7
Iron Mountain Incdebt security6
Iron Mountain Incdebt security5
Iron Mountain Incdebt security4

Issuer-level search for “IRM” → · Compare two funds’ portfolios →