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F.L. Putnam Investment Management’s Iron Mountain IRM Stock Holding History

F.L. Putnam Investment Management’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
2026
Q2 		$249K Hold
1,969
– – ﹤0.01% 589
2026
Q1 		$201K Sell
1,969
-16,737
-89% -$1.66M ﹤0.01% 559
2025
Q4 		$1.55M Sell
18,706
-40
-0.2% -$3.74K 0.02% 282
2025
Q3 		$1.91M Buy
18,746
+670
+4% +$64.5K 0.03% 256
2025
Q2 		$1.85M Buy
18,076
+5,326
+42% +$502K 0.03% 254
2025
Q1 		$1.1M Buy
12,750
+195
+2% +$18.8K 0.02% 311
2024
Q4 		$1.32M Buy
12,555
+669
+6% +$78.6K 0.02% 281
2024
Q3 		$1.41M Buy
11,886
+891
+8% +$95.3K 0.03% 287
2024
Q2 		$985K Buy
+10,995
New +$890K 0.02% 326
2023
Q2 		– Sell
-4,502
Closed -$238K – 469
2023
Q1 		$238K Buy
+4,502
New +$236K 0.01% 395
2021
Q1 		– Sell
-6,802
Closed -$201K – 370
2020
Q4 		$201K Buy
+6,802
New +$189K 0.01% 324
2020
Q2 		– Sell
-9,811
Closed -$234K – 302
2020
Q1 		$234K Buy
9,811
+3,066
+45% +$92.8K 0.02% 258
2019
Q4 		$215K Buy
6,745
+434
+7% +$14.2K 0.01% 298
2019
Q3 		$204K Buy
+6,311
New +$198K 0.01% 285
2018
Q2 		– Sell
-23,800
Closed -$782K – 226
2018
Q1 		$782K Sell
23,800
-3,168
-12% -$107K 0.07% 151
2017
Q4 		$1.02M Sell
26,968
-10,007
-27% -$397K 0.09% 141
2017
Q3 		$1.44M Buy
+36,975
New +$1.38M 0.14% 127
2017
Q1 		– Sell
-9,390
Closed -$305K – 211
2016
Q4 		$305K Sell
9,390
-10,115
-52% -$336K 0.04% 174
2016
Q3 		$732K Buy
+19,505
New +$752K 0.08% 127

Other funds holding IRM

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
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
CIM
Centersquare Investment Management Conshohocken, Pennsylvania $11.7B AUM 20.39% 1-Year Est. Return
Vontobel Holding
Vontobel Holding Zurich, Switzerland $31.4B AUM 31.97% 1-Year Est. Return
Daiwa Securities Group
Daiwa Securities Group Tokyo, Japan $51.1B AUM 35.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
DPIM
Duff & Phelps Investment Management Chicago, Illinois $10.6B AUM 18.62% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

F.L. Putnam Investment Management's IRM Position: Q2 2026 in Review

F.L. Putnam Investment Management held its Iron Mountain (IRM) position steady in Q2 2026 at 1,969 shares worth $249K. The position accounts for ﹤0.01% of the portfolio, ranked #589.

F.L. Putnam Investment Management first reported a position in IRM in Q3 2016 and has held it in 19 quarters since. The position peaked at $1.91M in Q3 2025. 713 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • F.L. Putnam Investment Management held 1,969 shares of Iron Mountain worth $249K as of Q2 2026.
  • F.L. Putnam Investment Management left its Iron Mountain share count unchanged in Q2 2026.
  • Iron Mountain made up ﹤0.01% of F.L. Putnam Investment Management's portfolio in Q2 2026, its #589 holding.
  • F.L. Putnam Investment Management first reported a position in Iron Mountain in Q3 2016 and has held it in 19 quarters since.
  • F.L. Putnam Investment Management's Iron Mountain position peaked at $1.91M in Q3 2025.
  • 713 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on F.L. Putnam Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.