WAM
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Wolverine Asset Management’s Iron Mountain IRM Stock Holding History

Wolverine Asset 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
2026
Q1 		$2.8M Sell
27,400
-1,300
-5% -$129K 0.03% 478
2025
Q4 		$2.38M Hold
28,700
– – 0.02% 551
2025
Q3 		$2.93M Hold
28,700
– – 0.02% 475
2025
Q2 		$2.94M Sell
28,700
-4,400
-13% -$415K 0.03% 447
2025
Q1 		$2.85M Sell
33,100
-26,200
-44% -$2.52M 0.03% 428
2024
Q4 		$6.23M Buy
59,300
+4,400
+8% +$517K 0.06% 276
2024
Q3 		$6.52M Buy
54,900
+3,100
+6% +$332K 0.07% 262
2024
Q2 		$4.64M Hold
51,800
– – 0.05% 308
2024
Q1 		$4.15M Sell
51,800
-111,100
-68% -$8.04M 0.05% 321
2023
Q4 		$11.4M Sell
162,900
-3,300
-2% -$207K 0.1% 213
2023
Q3 		$9.88M Buy
166,200
+18,900
+13% +$1.15M 0.11% 201
2023
Q2 		$8.37M Buy
147,300
+30,700
+26% +$1.68M 0.1% 206
2023
Q1 		$6.17M Sell
116,600
-23,800
-17% -$1.25M 0.07% 289
2022
Q4 		$7M Buy
140,400
+3,600
+3% +$182K 0.07% 282
2022
Q3 		$6.01M Buy
136,800
+70,900
+108% +$3.58M 0.06% 281
2022
Q2 		$3.21M Buy
+65,900
New +$3.47M 0.03% 432
2015
Q1 		– Sell
-164
Closed -$3K – 2006
2014
Q4 		$3K Sell
164
-60
-27% -$2.18K ﹤0.01% 1926
2014
Q3 		$17K Buy
224
+44
+24% +$1.43K ﹤0.01% 1857
2014
Q2 		$8K Sell
180
-352
-66% -$9.55K ﹤0.01% 1916
2014
Q1 		$110K Buy
532
+189
+55% +$4.83K ﹤0.01% 1086
2013
Q4 		$74K Buy
343
+157
+84% +$4.02K ﹤0.01% 1615
2013
Q3 		$102K Buy
186
+86
+86% +$2.18K ﹤0.01% 1449
2013
Q2 		$88K Buy
+100
New +$3.23K ﹤0.01% 1477

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

Wolverine Asset Management's IRM Position: Q1 2026 in Review

Wolverine Asset Management reduced its Iron Mountain (IRM) stake by 25% in Q1 2026, selling an estimated $587K and leaving 17,932 shares worth $1.83M. The position accounts for 0.02% of the portfolio, ranked #597.

Wolverine Asset Management first reported a position in IRM in Q3 2013 and has held it in 32 quarters since. The position peaked at $2.75M in Q2 2024. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Wolverine Asset Management held 17,932 shares of Iron Mountain worth $1.83M as of Q1 2026.
  • Wolverine Asset Management sold 5,900 Iron Mountain shares in Q1 2026, an estimated $587K.
  • Iron Mountain made up 0.02% of Wolverine Asset Management's portfolio in Q1 2026, its #597 holding.
  • Wolverine Asset Management first reported a position in Iron Mountain in Q3 2013 and has held it in 32 quarters since.
  • Wolverine Asset Management's Iron Mountain position peaked at $2.75M in Q2 2024.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Wolverine Asset Management's 13F filing for Q1 2026, filed 4 May 2026.