Fisher Asset Management’s Iron Mountain IRM Stock Holding History

Fisher Asset 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	$498K	Buy	3,946 +464	+13%	+$56.9K	﹤0.01%	815
2026 Q1	$356K	Sell	3,482 -734	-17%	-$73K	﹤0.01%	867
2025 Q4	$350K	Sell	4,216 -381	-8%	-$35.7K	﹤0.01%	855
2025 Q3	$469K	Sell	4,597 -468	-9%	-$45.1K	﹤0.01%	790
2025 Q2	$520K	Sell	5,065 -1,092	-18%	-$103K	﹤0.01%	782
2025 Q1	$530K	Buy	6,157 +570	+10%	+$54.9K	﹤0.01%	773
2024 Q4	$587K	Buy	+5,587	New	+$656K	﹤0.01%	750
2024 Q1	–	Sell	-3,867	Closed	-$271K	–	1003
2023 Q4	$271K	Buy	+3,867	New	+$243K	﹤0.01%	884

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 $3.37T AUM 44.26% 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

Fisher Asset Management's IRM Position: Q2 2026 in Review

Fisher Asset Management increased its Iron Mountain (IRM) stake by 13% in Q2 2026, buying an estimated $56.9K and bringing the position to 3,946 shares worth $498K. The position accounts for ﹤0.01% of the portfolio, ranked #815.

Fisher Asset Management first reported a position in IRM in Q4 2023 and has held it in 8 quarters since. The position peaked at $587K in Q4 2024. 1,168 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

Fisher Asset Management held 3,946 shares of Iron Mountain worth $498K as of Q2 2026.
Fisher Asset Management bought 464 Iron Mountain shares in Q2 2026, an estimated $56.9K.
Iron Mountain made up ﹤0.01% of Fisher Asset Management's portfolio in Q2 2026, its #815 holding.
Fisher Asset Management first reported a position in Iron Mountain in Q4 2023 and has held it in 8 quarters since.
Fisher Asset Management's Iron Mountain position peaked at $587K in Q4 2024.
1,168 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Fisher Asset Management's 13F filing for Q2 2026, filed 4 Aug 2026.