Current position

The Vanguard Group, Inc.’s Iron Mtn Inc Del (IRM) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

The Vanguard Group, Inc.Verified through Q4 2025
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ1 2015Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares48.71MHighest verified quarter-end share count
Quarters reported38Verified quarters with shares above zero
What happened?

The Vanguard Group, Inc. first reported Iron Mtn Inc Del in Q1 2015. The reported position was increased and reduced across later filings. The Vanguard Group, Inc. currently reports 46.63M shares. The latest verified filing showed: Sold 1.3% of the position.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q4 2025
Sold 1.3% of the position−625.62K shares · 46.63M shares remained
Filing context

Quarter-end price $82.95

Q3 2025
Bought 0.4% more+188.21K shares · 47.25M shares reported after the change
Filing context

Quarter-end price $101.94

Q2 2025
Bought 0.5% more+239.15K shares · 47.06M shares reported after the change
Filing context

Quarter-end price $102.57

Q1 2025
Bought 0.5% more+220.56K shares · 46.83M shares reported after the change
Filing context

Quarter-end price $86.04

Q4 2024
Bought 0.003% more+1.33K shares · 46.61M shares reported after the change
Filing context

Quarter-end price $105.11

Q3 2024
Sold 0.08% of the position−39.51K shares · 46.60M shares remained
Filing context

Quarter-end price $118.83

Portfolio importance

How important is Iron Mtn Inc Del in The Vanguard Group, Inc.’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Current portfolio weight0.1%Q4 2025
Current rank#315of 4329 reported positions
Peak portfolio weight0.1%Q3 2024
Best historical rank#178Q3 2024
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$114.002026-09-17

Market context only; not an investor transaction price.

Latest filing quarter-end price$82.95Q4 2025

Derived from validated reported value and shares where supported.

Latest verified investor filingQ4 2025 · filed 2026-01-29
Open SEC filing ↗

Coverage is bounded to Vanguard’s top reported positions and material events rather than every security in each Form 13F. The filing reflects reportable U.S.-listed holdings, not Vanguard’s complete global assets, fund-by-fund ownership, exact trade dates or execution prices.