Railway Pension Investments’s Iron Mountain IRM Stock Holding History

Railway Pension Investments’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
2025 Q1	–	Sell	-15,800	Closed	-$1.66M	–	222
2024 Q4	$1.66M	Sell	15,800 -132,100	-89%	-$15.5M	0.02%	193
2024 Q3	$17.6M	Hold	147,900	–	–	0.21%	122
2024 Q2	$13.3M	Buy	147,900 +96,600	+188%	+$7.82M	0.16%	133
2024 Q1	$4.11M	Hold	51,300	–	–	0.04%	187
2023 Q4	$3.59M	Hold	51,300	–	–	0.04%	189
2023 Q3	$3.05M	Hold	51,300	–	–	0.03%	196
2023 Q2	$2.91M	Hold	51,300	–	–	0.03%	201
2023 Q1	$2.71M	Hold	51,300	–	–	0.03%	200
2022 Q4	$2.56M	Hold	51,300	–	–	0.03%	207
2022 Q3	$2.26M	Buy	+51,300	New	+$2.59M	0.02%	215

Other funds holding IRM

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

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

Norges Bank Oslo, Norway $935B AUM

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Railway Pension Investments's IRM Position: Q1 2025 in Review

Railway Pension Investments sold out of Iron Mountain (IRM) in Q1 2025, closing a stake of 15,800 shares — an estimated $1.66M sold.

Railway Pension Investments first reported a position in IRM in Q3 2022 and held it in 10 quarters. The position peaked at $17.6M in Q3 2024. 994 funds tracked by Wall St. Rank hold IRM as of Q1 2025.

Railway Pension Investments reported no remaining Iron Mountain position as of Q1 2025 after selling out during the quarter.
Railway Pension Investments sold 15,800 Iron Mountain shares in Q1 2025, an estimated $1.66M.
Railway Pension Investments first reported a position in Iron Mountain in Q3 2022 and held it in 10 quarters.
Railway Pension Investments's Iron Mountain position peaked at $17.6M in Q3 2024.
994 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2025.

Based on Railway Pension Investments's 13F filing for Q1 2025, filed 12 May 2025.