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B. Metzler seel. Sohn & Co’s Iron Mountain IRM Stock Holding History

B. Metzler seel. Sohn & Co’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
Q1 		$2.84M Buy
27,812
+1,313
+5% +$131K 0.03% 311
2025
Q4 		$2.2M Sell
26,499
-3,136
-11% -$294K 0.02% 374
2025
Q3 		$3.02M Hold
29,635
– – 0.03% 300
2025
Q2 		$3.04M Buy
29,635
+8,442
+40% +$796K 0.03% 290
2025
Q1 		$1.82M Sell
21,193
-3,505
-14% -$338K 0.02% 378
2024
Q4 		$2.59M Buy
24,698
+1,651
+7% +$194K 0.03% 310
2024
Q3 		$2.74M Sell
23,047
-6,228
-21% -$666K 0.03% 320
2024
Q2 		$2.62M Buy
29,275
+317
+1% +$25.7K 0.03% 319
2024
Q1 		$2.32M Sell
28,958
-1,263
-4% -$91.4K 0.03% 353
2023
Q4 		$2.11M Buy
30,221
+5,703
+23% +$358K 0.03% 350
2023
Q3 		$1.46M Buy
24,518
+14,278
+139% +$872K 0.02% 385
2023
Q2 		$582K Hold
10,240
– – 0.01% 565
2023
Q1 		$542K Hold
10,240
– – 0.01% 544
2022
Q4 		$510K Buy
10,240
+4,589
+81% +$232K 0.01% 549
2022
Q3 		$248K Hold
5,651
– – ﹤0.01% 663
2022
Q2 		$275K Hold
5,651
– – ﹤0.01% 660
2022
Q1 		$313K Sell
5,651
-3,200
-36% -$152K ﹤0.01% 683
2021
Q4 		$465K Sell
8,851
-7,592
-46% -$359K 0.01% 572
2021
Q3 		$714K Sell
16,443
-7,800
-32% -$351K 0.01% 502
2021
Q2 		$1.03M Buy
24,243
+5,300
+28% +$222K 0.02% 431
2021
Q1 		$701K Sell
18,943
-5,154
-21% -$172K 0.01% 486
2020
Q4 		$724K Buy
+24,097
New +$669K 0.01% 456

Other funds holding IRM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

B. Metzler seel. Sohn & Co's IRM Position: Q1 2026 in Review

B. Metzler seel. Sohn & Co increased its Iron Mountain (IRM) stake by 5% in Q1 2026, buying an estimated $131K and bringing the position to 27,812 shares worth $2.84M. The position accounts for 0.03% of the portfolio, ranked #311.

B. Metzler seel. Sohn & Co first reported a position in IRM in Q4 2020 and has held it in 22 quarters since. The position peaked at $3.04M in Q2 2025. 1,087 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • B. Metzler seel. Sohn & Co held 27,812 shares of Iron Mountain worth $2.84M as of Q1 2026.
  • B. Metzler seel. Sohn & Co bought 1,313 Iron Mountain shares in Q1 2026, an estimated $131K.
  • Iron Mountain made up 0.03% of B. Metzler seel. Sohn & Co's portfolio in Q1 2026, its #311 holding.
  • B. Metzler seel. Sohn & Co first reported a position in Iron Mountain in Q4 2020 and has held it in 22 quarters since.
  • B. Metzler seel. Sohn & Co's Iron Mountain position peaked at $3.04M in Q2 2025.
  • 1,087 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on B. Metzler seel. Sohn & Co's 13F filing for Q1 2026, filed 8 May 2026.