Hudson Bay Capital Management
IRM icon

Hudson Bay Capital Management’s Iron Mountain IRM Stock Holding History

Hudson Bay Capital Management’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
2019
Q2 		– Sell
-30,000
Closed -$1.06M – 582
2019
Q1 		$1.06M Buy
+30,000
New +$1.06M 0.01% 548

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State Street
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Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Hudson Bay Capital Management's IRM Position: Q2 2026 in Review

Hudson Bay Capital Management sold out of Iron Mountain (IRM) in Q2 2026, closing a stake of 190,884 shares — an estimated $19.5M sold.

Hudson Bay Capital Management first reported a position in IRM in Q2 2013 and held it in 5 quarters. The position peaked at $19.5M in Q1 2026. 1,174 funds tracked by Wall St. Rank hold IRM as of Q2 2026.

  • Hudson Bay Capital Management reported no remaining Iron Mountain position as of Q2 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 190,884 Iron Mountain shares in Q2 2026, an estimated $19.5M.
  • Hudson Bay Capital Management first reported a position in Iron Mountain in Q2 2013 and held it in 5 quarters.
  • Hudson Bay Capital Management's Iron Mountain position peaked at $19.5M in Q1 2026.
  • 1,174 funds tracked by Wall St. Rank held Iron Mountain as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.