Optiver Holding’s Iron Mountain IRM Stock Holding History

Optiver Holding’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	-1,369	Closed	-$140K	–	2929
2026 Q1	$140K	Buy	+1,369	New	+$136K	﹤0.01%	856
2024 Q4	–	Sell	-687	Closed	-$81.6K	–	1116
2024 Q3	$81.6K	Buy	+687	New	+$73.5K	﹤0.01%	525
2024 Q2	–	Sell	-152	Closed	-$12.2K	–	946
2024 Q1	$12.2K	Buy	+152	New	+$11K	﹤0.01%	617
2022 Q1	–	Sell	-1,505	Closed	-$65K	–	698
2021 Q4	$65K	Hold	1,505	–	–	﹤0.01%	371
2021 Q3	$65K	Buy	+1,505	New	+$67.7K	﹤0.01%	293

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

Optiver Holding's IRM Position: Q2 2026 in Review

Optiver Holding sold out of Iron Mountain (IRM) in Q2 2026, closing a stake of 1,369 shares — an estimated $140K sold.

Optiver Holding first reported a position in IRM in Q3 2021 and held it in 5 quarters. The position peaked at $140K in Q1 2026. 1,171 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

Optiver Holding reported no remaining Iron Mountain position as of Q2 2026 after selling out during the quarter.
Optiver Holding sold 1,369 Iron Mountain shares in Q2 2026, an estimated $140K.
Optiver Holding first reported a position in Iron Mountain in Q3 2021 and held it in 5 quarters.
Optiver Holding's Iron Mountain position peaked at $140K in Q1 2026.
1,171 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.