Ardsley Advisory Partners’s Iron Mountain IRM Stock Holding History

Ardsley Advisory Partners’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
2023 Q3	–	Sell	-145,000	Closed	-$8.24M	–	137
2023 Q2	$8.24M	Hold	145,000	–	–	1.39%	21
2023 Q1	$7.67M	Sell	145,000 -10,000	-6%	-$524K	1.68%	19
2022 Q4	$7.73M	Buy	155,000 +10,000	+7%	+$505K	1.6%	26
2022 Q3	$6.38M	Buy	145,000 +30,000	+26%	+$1.51M	1.43%	24
2022 Q2	$5.6M	Buy	115,000 +15,000	+15%	+$789K	0.92%	28
2022 Q1	$5.54M	Buy	+100,000	New	+$4.76M	0.92%	39

Other funds holding IRM

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

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

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

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

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 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

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Ardsley Advisory Partners's IRM Position: Q3 2023 in Review

Ardsley Advisory Partners sold out of Iron Mountain (IRM) in Q3 2023, closing a stake of 145,000 shares — an estimated $8.24M sold.

Ardsley Advisory Partners first reported a position in IRM in Q1 2022 and held it in 6 quarters. The position peaked at $8.24M in Q2 2023. 831 funds tracked by Wall St. Rank hold IRM as of Q3 2023.

Ardsley Advisory Partners reported no remaining Iron Mountain position as of Q3 2023 after selling out during the quarter.
Ardsley Advisory Partners sold 145,000 Iron Mountain shares in Q3 2023, an estimated $8.24M.
Ardsley Advisory Partners first reported a position in Iron Mountain in Q1 2022 and held it in 6 quarters.
Ardsley Advisory Partners's Iron Mountain position peaked at $8.24M in Q2 2023.
831 funds tracked by Wall St. Rank held Iron Mountain as of Q3 2023.

Based on Ardsley Advisory Partners's 13F filing for Q3 2023, filed 14 Nov 2023.