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ProShare Advisors LLC

SEC CIK
0001357955
Latest filing
Aug 11, 2026

IRM holding history

Iron Mountain Inc in every 13F filed by ProShare Advisors 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)
56,341
Value
$7.12M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of IRM by ProShare Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202656,341$7.12M<0.1%+1,793+3.3%AddedHolders
Q1 202654,548$5.57M<0.1%−12,000−18.0%ReducedHolders
Q4 202566,548$5.52M<0.1%+4,682+7.6%AddedHolders
Q3 202561,866$6.31M<0.1%+996+1.6%AddedHolders
Q2 202560,870$6.24M<0.1%+4,694+8.4%AddedHolders
Q1 202556,176$4.83M<0.1%+2,747+5.1%AddedHolders
Q4 202453,429$5.62M<0.1%+3,630+7.3%AddedHolders
Q3 202449,799$5.92M<0.1%−1,952−3.8%ReducedHolders
Q2 202451,751$4.64M<0.1%+2,991+6.1%AddedHolders
Q1 202448,760$3.91M<0.1%−842−1.7%ReducedHolders
Q4 202349,602$3.47M<0.1%−4,454−8.2%ReducedHolders
Q3 202354,056$3.21M<0.1%−2,657−4.7%ReducedHolders
Q2 202356,713$3.22M<0.1%+603+1.1%AddedHolders
Q1 202356,110$2.97M<0.1%−15,822−22.0%ReducedHolders
Q4 202271,932$3.59M<0.1%+1,750+2.5%AddedHolders
Q3 202270,182$3.09M<0.1%−6,328−8.3%ReducedHolders
Q2 202276,510$3.73M<0.1%−23,259−23.3%ReducedHolders
Q1 202299,769$5.53M<0.1%−7,790−7.2%ReducedHolders
Q4 2021107,559$5.63M<0.1%+18,283+20.5%AddedHolders
Q3 202189,276$3.88M<0.1%+1,317+1.5%AddedHolders
Q2 202187,959$3.72M<0.1%−13,892−13.6%ReducedHolders
Q1 2021101,851$3.77M<0.1%––Holders

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