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Gateway Investment Advisers’s Iron Mountain IRM Stock Holding History

Gateway Investment Advisers’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 		$389K Sell
3,079
-478
-13% -$58.6K ﹤0.01% 653
2026
Q1 		$363K Buy
+3,557
New +$354K ﹤0.01% 567
2019
Q3 		– Sell
-10,784
Closed -$338K – 616
2019
Q2 		$338K Sell
10,784
-888
-8% -$29.1K ﹤0.01% 617
2019
Q1 		$414K Hold
11,672
– – ﹤0.01% 592
2018
Q4 		$378K Sell
11,672
-69
-0.6% -$2.26K ﹤0.01% 607
2018
Q3 		$405K Sell
11,741
-1,094
-9% -$39K ﹤0.01% 605
2018
Q2 		$449K Sell
12,835
-1,309
-9% -$44.2K ﹤0.01% 595
2018
Q1 		$465K Sell
14,144
-2
-0% -$67 ﹤0.01% 603
2017
Q4 		$534K Sell
14,146
-876
-6% -$34.8K ﹤0.01% 596
2017
Q3 		$584K Sell
15,022
-295
-2% -$11K 0.01% 593
2017
Q2 		$526K Sell
15,317
-368
-2% -$12.9K ﹤0.01% 588
2017
Q1 		$559K Sell
15,685
-1,230
-7% -$43.6K 0.01% 572
2016
Q4 		$549K Buy
16,915
+1,438
+9% +$47.8K 0.01% 585
2016
Q3 		$581K Sell
15,477
-195
-1% -$7.52K 0.01% 572
2016
Q2 		$624K Buy
15,672
+1,708
+12% +$62.2K 0.01% 562
2016
Q1 		$474K Sell
13,964
-6,071
-30% -$174K ﹤0.01% 583
2015
Q4 		$541K Sell
20,035
-114
-0.6% -$3.34K ﹤0.01% 593
2015
Q3 		$625K Sell
20,149
-689
-3% -$20.6K 0.01% 585
2015
Q2 		$646K Sell
20,838
-490
-2% -$17.2K 0.01% 599
2015
Q1 		$778K Sell
21,328
-48
-0.2% -$1.85K 0.01% 582
2014
Q4 		$826K Buy
21,376
+1,130
+6% +$41.1K 0.01% 575
2014
Q3 		$661K Sell
20,246
-1,714
-8% -$55.6K 0.01% 608
2014
Q2 		$719K Buy
21,960
+2,564
+13% +$69.6K 0.01% 607
2014
Q1 		$494K Sell
19,396
-190
-1% -$4.86K ﹤0.01% 618
2013
Q4 		$549K Sell
19,586
-54
-0.3% -$1.38K ﹤0.01% 605
2013
Q3 		$490K Buy
19,640
+1,086
+6% +$27.6K ﹤0.01% 611
2013
Q2 		$456K Buy
+18,554
New +$599K ﹤0.01% 596

Other funds holding IRM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Gateway Investment Advisers's IRM Position: Q2 2026 in Review

Gateway Investment Advisers reduced its Iron Mountain (IRM) stake by 13% in Q2 2026, selling an estimated $58.6K and leaving 3,079 shares worth $389K. The position accounts for ﹤0.01% of the portfolio, ranked #653.

Gateway Investment Advisers first reported a position in IRM in Q2 2013 and has held it in 27 quarters since. The position peaked at $826K in Q4 2014. 1,165 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Gateway Investment Advisers held 3,079 shares of Iron Mountain worth $389K as of Q2 2026.
  • Gateway Investment Advisers sold 478 Iron Mountain shares in Q2 2026, an estimated $58.6K.
  • Iron Mountain made up ﹤0.01% of Gateway Investment Advisers's portfolio in Q2 2026, its #653 holding.
  • Gateway Investment Advisers first reported a position in Iron Mountain in Q2 2013 and has held it in 27 quarters since.
  • Gateway Investment Advisers's Iron Mountain position peaked at $826K in Q4 2014.
  • 1,165 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Gateway Investment Advisers's 13F filing for Q2 2026, filed 20 Jul 2026.