Nomura Holdings’s Iron Mountain IRM Stock Holding History

Nomura Holdings’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
2016 Q1	–	Sell	-11,800	Closed	-$319K	–	1766
2015 Q4	$319K	Buy	+11,800	New	+$346K	﹤0.01%	1282
2014 Q4	–	Sell	-210,000	Closed	-$6.83M	–	2492
2014 Q3	$6.83M	Sell	210,000 -267,919	-56%	-$8.69M	0.02%	577
2014 Q2	$15.5M	Buy	477,919 +466,125	+3,952%	+$12.6M	﹤0.01%	334
2014 Q1	$300K	Buy	+11,794	New	+$302K	﹤0.01%	2089

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

Nomura Holdings's IRM Position: Q1 2026 in Review

Nomura Holdings reduced its Iron Mountain (IRM) stake by 35% in Q1 2026, selling an estimated $515K and leaving 9,655 shares worth $986K. The position accounts for ﹤0.01% of the portfolio, ranked #1165.

Nomura Holdings first reported a position in IRM in Q2 2013 and has held it in 28 quarters since. The position peaked at $26M in Q2 2014. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

Nomura Holdings held 9,655 shares of Iron Mountain worth $986K as of Q1 2026.
Nomura Holdings sold 5,176 Iron Mountain shares in Q1 2026, an estimated $515K.
Iron Mountain made up ﹤0.01% of Nomura Holdings's portfolio in Q1 2026, its #1165 holding.
Nomura Holdings first reported a position in Iron Mountain in Q2 2013 and has held it in 28 quarters since.
Nomura Holdings's Iron Mountain position peaked at $26M in Q2 2014.
1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Nomura Holdings's 13F filing for Q1 2026, filed 15 May 2026.