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Livermore
Livermore
ZHEN

Welch & Forbes LLC

SEC CIK
0000105495
Latest filing
Jul 30, 2026

IRM holding history

Iron Mountain Inc in every 13F filed by Welch & Forbes LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IRM overviewAll 13F holders of IRMFull Q2 2026 holdings

Shares (Q2 2026)
639,322
Value
$80.8M
% of portfolio
1.0%
Quarters held
22
Since Q1 2021
Holdings of IRM by Welch & Forbes LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026639,322$80.8M1.0%−12,746−2.0%ReducedHolders
Q1 2026652,068$66.6M0.9%−4,296−0.7%ReducedHolders
Q4 2025656,364$54.4M0.7%−2,628−0.4%ReducedHolders
Q3 2025658,992$67.2M0.8%−9,946−1.5%ReducedHolders
Q2 2025668,938$68.6M0.9%−5,104−0.8%ReducedHolders
Q1 2025674,042$58.0M0.8%−5,720−0.8%ReducedHolders
Q4 2024679,762$71.4M0.9%−7,707−1.1%ReducedHolders
Q3 2024687,469$81.7M1.0%−24,416−3.4%ReducedHolders
Q2 2024711,885$66.0M0.9%−15,756−2.2%ReducedHolders
Q1 2024727,641$58.4M0.8%−3,937−0.5%ReducedHolders
Q4 2023731,578$51.2M0.8%−6,116−0.8%ReducedHolders
Q3 2023737,694$43.9M0.7%−6,830−0.9%ReducedHolders
Q2 2023744,524$42.3M0.7%−1610.0%ReducedHolders
Q1 2023744,685$39.4M0.7%−5,460−0.7%ReducedHolders
Q4 2022750,145$37.4M0.7%+12,087+1.6%AddedHolders
Q3 2022738,058$32.5M0.6%−991−0.1%ReducedHolders
Q2 2022739,049$36.0M0.7%−7,997−1.1%ReducedHolders
Q1 2022747,046$41.4M0.7%+27,237+3.8%AddedHolders
Q4 2021719,809$37.7M0.6%−2,517−0.3%ReducedHolders
Q3 2021722,326$31.4M0.5%+2,843+0.4%AddedHolders
Q2 2021719,483$30.4M0.5%−416−0.1%ReducedHolders
Q1 2021719,899$26.6M0.5%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.