WhaleCreepWhat the best hedge funds own, from their SEC 13F filings
HomeStocks › IRM

Which hedge funds own IRM? IRON MTN INC DEL, Q2 2026 13F holders

Real Estate · Open on the interactive board

11 of the hedge funds tracked by WhaleCreep disclosed a position in IRM (IRON MTN INC DEL) in their Q2 2026 13F filings, worth $133.7m in total. The largest holder by portfolio weight is Contour Asset Management at 0.7% of its book. 1 manager opened a new position this quarter: D. E. Shaw & Co. 1 exited: Bridgewater Associates.

11tracked managers holding
1opened this quarter
1exited this quarter

Which hedge funds hold IRM? Current holders by portfolio weight

ManagerAs ofWeight of bookValueSharesΔ sharesAction
Contour Asset ManagementQ2 2026 0.7%$17.4m1,274,684 -12% reduced
Ancora AdvisorsQ2 2026 0.0%$2.5m19,766 -5% reduced
Tudor InvestmentQ2 2026 0.0%$9.5m75,389 103% added
Horizon KineticsQ2 2026 0.0%$2.3m17,845 -3% reduced
Woodline PartnersQ2 2026 0.0%$8.2m64,861 12% added
Citadel AdvisorsQ2 2026 0.0%$43.3m343,168 -8% reduced
Point72 Asset Management LPQ2 2026 0.0%$15.6m123,262 -67% reduced
Millennium ManagementQ2 2026 0.0%$19.8m157,057 -58% reduced
D. E. Shaw & CoQ2 2026 0.0%$13.9m109,823 new
Brevan Howard Capital ManagementQ2 2026 0.0%$272.6k2,158 -34% reduced
Renaissance Technologies LLCQ2 2026 0.0%$972.6k7,700 221% added

Exited since the previous quarter

ManagerPrior weightPrior value
Bridgewater Associates0.1%$479.4k

How has hedge fund ownership of IRM changed?

QuarterManagers holdingCombined value
Q2 202611$133.7m
Q1 202611$149.1m
Q4 20256$512.1m
Q3 20255$743.6m
Q2 20256$143.7m
Q1 20257$207.5m
Q4 20245$134.1m
Q3 20244$45.2m
Q2 20243$4.6m
Q1 20246$71.5m
Q4 20236$49.6m
Q3 20233$3.3m
Q2 20236$9.5m
Q1 20236$8.8m
Q4 20227$12.1m
Q3 20227$11.7m

Counts every tracked manager that disclosed IRM in that quarter's filing, including managers that have since stopped filing.