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LMR Partners’s Iron Mountain IRM Stock Holding History

LMR Partners’s Portfolio IRM Stock Details IRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-2,847
Closed -$299K – 1505
2024
Q4 		$299K Sell
2,847
-1,039
-27% -$122K ﹤0.01% 908
2024
Q3 		$462K Sell
3,886
-12,241
-76% -$1.31M ﹤0.01% 850
2024
Q2 		$1.45M Buy
+16,127
New +$1.31M 0.01% 610
2023
Q2 		– Sell
-7,336
Closed -$388K – 999
2023
Q1 		$388K Sell
7,336
-29,849
-80% -$1.56M 0.01% 756
2022
Q4 		$1.85M Buy
37,185
+12,010
+48% +$606K 0.03% 548
2022
Q3 		$1.11M Buy
25,175
+6,552
+35% +$331K 0.02% 681
2022
Q2 		$907K Buy
+18,623
New +$980K 0.02% 796
2022
Q1 		– Sell
-4,888
Closed -$256K – 1276
2021
Q4 		$256K Buy
+4,888
New +$231K ﹤0.01% 1029
2019
Q2 		– Sell
-14,856
Closed -$527K – 507
2019
Q1 		$527K Buy
+14,856
New +$525K 0.03% 248
2018
Q2 		– Sell
-21,557
Closed -$813K – 539
2018
Q1 		$813K Hold
21,557
– – 0.08% 207
2017
Q4 		$813K Buy
+21,557
New +$855K 0.08% 207
2017
Q3 		– Sell
-12,130
Closed -$417K – 431
2017
Q2 		$417K Sell
12,130
-7,962
-40% -$279K 0.03% 426
2017
Q1 		$716K Buy
20,092
+10,467
+109% +$371K 0.07% 163
2016
Q4 		$312K Sell
9,625
-29,794
-76% -$990K 0.05% 282
2016
Q3 		$1.48M Buy
39,419
+8,864
+29% +$342K 0.14% 141
2016
Q2 		$1.22M Buy
+30,555
New +$1.11M 0.19% 155
2015
Q3 		– Sell
-33,257
Closed -$1.03M – 404
2015
Q2 		$1.03M Sell
33,257
-6,741
-17% -$236K 0.13% 217
2015
Q1 		$1.46M Sell
39,998
-24,539
-38% -$947K 0.2% 134
2014
Q4 		$2.5M Buy
+64,537
New +$2.35M 0.33% 71
2014
Q2 		– Sell
-16,747
Closed -$427K – 503
2014
Q1 		$427K Buy
+16,747
New +$428K 0.06% 147

Other funds holding IRM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

LMR Partners's IRM Position: Q1 2025 in Review

LMR Partners sold out of Iron Mountain (IRM) in Q1 2025, closing a stake of 2,847 shares — an estimated $299K sold.

LMR Partners first reported a position in IRM in Q1 2014 and held it in 20 quarters. The position peaked at $2.5M in Q4 2014. 996 funds tracked by Wall St. Rank hold IRM as of Q1 2025.

  • LMR Partners reported no remaining Iron Mountain position as of Q1 2025 after selling out during the quarter.
  • LMR Partners sold 2,847 Iron Mountain shares in Q1 2025, an estimated $299K.
  • LMR Partners first reported a position in Iron Mountain in Q1 2014 and held it in 20 quarters.
  • LMR Partners's Iron Mountain position peaked at $2.5M in Q4 2014.
  • 996 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2025.

Based on LMR Partners's 13F filing for Q1 2025, filed 15 May 2025.