Aigen Investment Management’s Iron Mountain IRM Stock Holding History

Aigen 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	–	Sell	-6,255	Closed	-$639K	–	683
2026 Q1	$639K	Buy	+6,255	New	+$622K	0.16%	170
2025 Q4	–	Sell	-7,760	Closed	-$791K	–	793
2025 Q3	$791K	Buy	+7,760	New	+$748K	0.12%	257
2025 Q2	–	Sell	-23,104	Closed	-$1.99M	–	930
2025 Q1	$1.99M	Buy	+23,104	New	+$2.23M	0.32%	82
2023 Q4	–	Sell	-8,744	Closed	-$520K	–	926
2023 Q3	$520K	Buy	+8,744	New	+$534K	0.1%	338
2022 Q3	–	Sell	-19,334	Closed	-$941K	–	664
2022 Q2	$941K	Buy	+19,334	New	+$1.02M	0.16%	194
2021 Q3	–	Sell	-10,860	Closed	-$460K	–	562
2021 Q2	$460K	Buy	+10,860	New	+$455K	0.08%	247
2020 Q3	–	Sell	-8,250	Closed	-$215K	–	982
2020 Q2	$215K	Buy	+8,250	New	+$208K	0.03%	692

Other funds holding IRM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Aigen Investment Management's IRM Position: Q2 2026 in Review

Aigen Investment Management sold out of Iron Mountain (IRM) in Q2 2026, closing a stake of 6,255 shares — an estimated $639K sold.

Aigen Investment Management first reported a position in IRM in Q2 2020 and held it in 7 quarters. The position peaked at $1.99M in Q1 2025. 1,174 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

Aigen Investment Management reported no remaining Iron Mountain position as of Q2 2026 after selling out during the quarter.
Aigen Investment Management sold 6,255 Iron Mountain shares in Q2 2026, an estimated $639K.
Aigen Investment Management first reported a position in Iron Mountain in Q2 2020 and held it in 7 quarters.
Aigen Investment Management's Iron Mountain position peaked at $1.99M in Q1 2025.
1,174 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.