Dynamic Technology Lab’s Iron Mountain IRM Stock Holding History

Dynamic Technology Lab’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	$261K	Sell	2,557 -2,830	-53%	-$282K	0.04%	657
2025 Q4	$447K	Buy	+5,387	New	+$504K	0.1%	347
2024 Q4	–	Sell	-2,278	Closed	-$271K	–	1141
2024 Q3	$271K	Buy	+2,278	New	+$244K	0.03%	778
2024 Q2	–	Sell	-4,200	Closed	-$337K	–	1165
2024 Q1	$337K	Sell	4,200 -3,244	-44%	-$235K	0.04%	736
2023 Q4	$520K	Sell	7,444 -2,505	-25%	-$157K	0.06%	573
2023 Q3	$592K	Buy	9,949 +5,112	+106%	+$312K	0.06%	434
2023 Q2	$275K	Buy	+4,837	New	+$265K	0.03%	738
2023 Q1	–	Sell	-6,525	Closed	-$325K	–	1303
2022 Q4	$325K	Buy	+6,525	New	+$329K	0.03%	744
2021 Q3	–	Sell	-6,624	Closed	-$280K	–	1277
2021 Q2	$280K	Buy	+6,624	New	+$278K	0.03%	816
2020 Q4	–	Sell	-13,895	Closed	-$372K	–	1156
2020 Q3	$372K	Buy	+13,895	New	+$395K	0.06%	572
2019 Q2	–	Sell	-19,787	Closed	-$702K	–	1126
2019 Q1	$702K	Buy	+19,787	New	+$699K	0.12%	286
2018 Q4	–	Sell	-16,826	Closed	-$581K	–	1128
2018 Q3	$581K	Buy	+16,826	New	+$599K	0.08%	443
2014 Q3	–	Sell	-15,343	Closed	-$503K	–	745
2014 Q2	$503K	Buy	+15,343	New	+$416K	0.24%	105
2013 Q3	–	Sell	-13,947	Closed	-$343K	–	526
2013 Q2	$343K	Buy	+13,947	New	+$450K	0.36%	74

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

Dynamic Technology Lab's IRM Position: Q1 2026 in Review

Dynamic Technology Lab reduced its Iron Mountain (IRM) stake by 53% in Q1 2026, selling an estimated $282K and leaving 2,557 shares worth $261K. The position accounts for 0.04% of the portfolio, ranked #657.

Dynamic Technology Lab first reported a position in IRM in Q2 2013 and has held it in 14 quarters since. The position peaked at $702K in Q1 2019. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

Dynamic Technology Lab held 2,557 shares of Iron Mountain worth $261K as of Q1 2026.
Dynamic Technology Lab sold 2,830 Iron Mountain shares in Q1 2026, an estimated $282K.
Iron Mountain made up 0.04% of Dynamic Technology Lab's portfolio in Q1 2026, its #657 holding.
Dynamic Technology Lab first reported a position in Iron Mountain in Q2 2013 and has held it in 14 quarters since.
Dynamic Technology Lab's Iron Mountain position peaked at $702K in Q1 2019.
1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Dynamic Technology Lab's 13F filing for Q1 2026, filed 15 May 2026.