LIP
IRM icon

Lighthouse Investment Partners’s Iron Mountain IRM Stock Holding History

Lighthouse Investment 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
2026
Q1 		– Sell
-4,780
Closed -$397K – 885
2025
Q4 		$397K Sell
4,780
-58,220
-92% -$5.45M 0.01% 642
2025
Q3 		$6.42M Buy
63,000
+12,800
+25% +$1.23M 0.19% 146
2025
Q2 		$5.15M Buy
50,200
+47,700
+1,908% +$4.5M 0.19% 159
2025
Q1 		$215K Buy
+2,500
New +$241K 0.01% 446

Other funds holding IRM

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Lighthouse Investment Partners's IRM Position: Q1 2026 in Review

Lighthouse Investment Partners sold out of Iron Mountain (IRM) in Q1 2026, closing a stake of 4,780 shares — an estimated $397K sold.

Lighthouse Investment Partners first reported a position in IRM in Q1 2025 and held it in 4 quarters. The position peaked at $6.42M in Q3 2025. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Lighthouse Investment Partners reported no remaining Iron Mountain position as of Q1 2026 after selling out during the quarter.
  • Lighthouse Investment Partners sold 4,780 Iron Mountain shares in Q1 2026, an estimated $397K.
  • Lighthouse Investment Partners first reported a position in Iron Mountain in Q1 2025 and held it in 4 quarters.
  • Lighthouse Investment Partners's Iron Mountain position peaked at $6.42M in Q3 2025.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Lighthouse Investment Partners's 13F filing for Q1 2026, filed 14 May 2026.