Westpac Banking Corp’s Iron Mountain IRM Stock Holding History

Westpac Banking Corp’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	$2.38M	Sell	23,311 -59	-0.3%	-$5.87K	0.17%	133
2025 Q4	$1.94M	Buy	23,370 +4,914	+27%	+$460K	0.12%	159
2025 Q3	$1.88M	Hold	18,456	–	–	0.12%	156
2025 Q2	$1.89M	Buy	18,456 +11,750	+175%	+$1.11M	0.13%	154
2025 Q1	$577K	Buy	6,706 +2,501	+59%	+$241K	0.04%	252
2024 Q4	$442K	Hold	4,205	–	–	0.03%	282
2024 Q3	$500K	Hold	4,205	–	–	0.03%	277
2024 Q2	$377K	Buy	4,205 +991	+31%	+$80.2K	0.03%	271
2024 Q1	$258K	Buy	3,214 +71	+2%	+$5.14K	0.02%	317
2023 Q4	$220K	Hold	3,143	–	–	0.02%	328
2023 Q3	$187K	Sell	3,143 -31,729	-91%	-$1.94M	0.01%	383
2023 Q2	$1.98M	Sell	34,872 -51,323	-60%	-$2.81M	0.14%	179
2023 Q1	$4.56M	Sell	86,195 -3,573	-4%	-$187K	0.06%	358
2022 Q4	$4.47M	Buy	89,768 +11,230	+14%	+$567K	0.07%	354
2022 Q3	$3.45M	Sell	78,538 -8,022	-9%	-$405K	0.05%	395
2022 Q2	$4.21M	Sell	86,560 -2,213	-2%	-$116K	0.05%	404
2022 Q1	$4.92M	Sell	88,773 -16,328	-16%	-$778K	0.06%	390
2021 Q4	$5.5M	Buy	105,101 +34,579	+49%	+$1.63M	0.06%	393
2021 Q3	$3.06M	Sell	70,522 -4,500	-6%	-$203K	0.03%	504
2021 Q2	$3.17M	Buy	75,022 +4,801	+7%	+$201K	0.03%	525
2021 Q1	$2.6M	Buy	70,221 +30,646	+77%	+$1.02M	0.03%	519
2020 Q4	$1.17M	Buy	39,575 +18,503	+88%	+$513K	0.01%	682
2020 Q3	$565K	Hold	21,072	–	–	0.01%	777
2020 Q2	$550K	Sell	21,072 -2,800	-12%	-$70.7K	0.01%	754
2020 Q1	$568K	Hold	23,872	–	–	0.01%	706
2019 Q4	$761K	Buy	23,872 +2,800	+13%	+$91.8K	0.01%	742
2019 Q3	$683K	Hold	21,072	–	–	0.01%	726
2019 Q2	$660K	Hold	21,072	–	–	0.01%	626
2019 Q1	$747K	Buy	21,072 +5,815	+38%	+$205K	0.01%	599
2018 Q4	$494K	Hold	15,257	–	–	0.01%	707
2018 Q3	$527K	Hold	15,257	–	–	0.01%	646
2018 Q2	$534K	Hold	15,257	–	–	0.01%	631
2018 Q1	$501K	Sell	15,257 -237,675	-94%	-$8.01M	0.01%	626
2017 Q4	$12.1M	Buy	252,932 +237,675	+1,558%	+$9.43M	0.28%	106
2017 Q3	$593K	Sell	15,257 -487	-3%	-$18.2K	0.01%	646
2017 Q2	$541K	Hold	15,744	–	–	0.01%	692
2017 Q1	$562K	Hold	15,744	–	–	﹤0.01%	780
2016 Q4	$551K	Hold	15,744	–	–	0.01%	696
2016 Q3	$591K	Buy	15,744 +2,693	+21%	+$104K	0.01%	650
2016 Q2	$520K	Buy	13,051 +3,745	+40%	+$136K	0.01%	723
2016 Q1	$316K	Hold	9,306	–	–	﹤0.01%	753
2015 Q4	$251K	Sell	9,306 -186	-2%	-$5.46K	﹤0.01%	794
2015 Q3	$294K	Buy	9,492 +8,155	+610%	+$243K	﹤0.01%	728
2015 Q2	$41.4K	Sell	1,337 -8,404	-86%	-$294K	﹤0.01%	839
2015 Q1	$396K	Sell	9,741 -2,100	-18%	-$81.1K	﹤0.01%	805
2014 Q4	$458K	Buy	11,841 +2,857	+32%	+$104K	﹤0.01%	771
2014 Q3	$293K	Sell	8,984 -3,378	-27%	-$110K	﹤0.01%	845
2014 Q2	$405K	Buy	12,362 +934	+8%	+$25.3K	﹤0.01%	799
2014 Q1	$291K	Buy	11,428 +2,708	+31%	+$69.3K	﹤0.01%	811
2013 Q4	$245K	Hold	8,720	–	–	﹤0.01%	861
2013 Q3	$218K	Sell	8,720 -5,085	-37%	-$129K	﹤0.01%	871
2013 Q2	$379K	Buy	+13,805	New	+$446K	0.01%	790

Other funds holding IRM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Westpac Banking Corp's IRM Position: Q1 2026 in Review

Westpac Banking Corp reduced its Iron Mountain (IRM) stake by 0.25% in Q1 2026, selling an estimated $5.87K and leaving 23,311 shares worth $2.38M. The position accounts for 0.17% of the portfolio, ranked #133.

Westpac Banking Corp first reported a position in IRM in Q2 2013 and has held it in 52 quarters since. The position peaked at $12.1M in Q4 2017. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

Westpac Banking Corp held 23,311 shares of Iron Mountain worth $2.38M as of Q1 2026.
Westpac Banking Corp sold 59 Iron Mountain shares in Q1 2026, an estimated $5.87K.
Iron Mountain made up 0.17% of Westpac Banking Corp's portfolio in Q1 2026, its #133 holding.
Westpac Banking Corp first reported a position in Iron Mountain in Q2 2013 and has held it in 52 quarters since.
Westpac Banking Corp's Iron Mountain position peaked at $12.1M in Q4 2017.
1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Westpac Banking Corp's 13F filing for Q1 2026, filed 12 May 2026.