Walleye Trading’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$878K Sell
8,600
-3,600
-30% -$358K ﹤0.01% 2228
2025
Q4
$1.01M Buy
12,200
+8,700
+249% +$814K ﹤0.01% 2372
2025
Q3
$357K Sell
3,500
-4,700
-57% -$453K ﹤0.01% 2975
2025
Q2
$841K Sell
8,200
-12,700
-61% -$1.2M ﹤0.01% 2314
2025
Q1
$1.8M Buy
20,900
+20,100
+2,513% +$1.94M ﹤0.01% 1704
2024
Q4
$84.1K Sell
800
-16,500
-95% -$1.94M ﹤0.01% 3624
2024
Q3
$2.06M Sell
17,300
-138,500
-89% -$14.8M ﹤0.01% 1665
2024
Q2
$14M Buy
155,800
+148,200
+1,950% +$12M 0.03% 531
2024
Q1
$610K Sell
7,600
-33,900
-82% -$2.45M ﹤0.01% 2634
2023
Q4
$2.9M Sell
41,500
-1,400
-3% -$87.8K 0.01% 1626
2023
Q3
$2.55M Sell
42,900
-19,300
-31% -$1.18M 0.01% 1593
2023
Q2
$3.53M Sell
62,200
-21,200
-25% -$1.16M 0.01% 1221
2023
Q1
$4.41M Buy
83,400
+54,700
+191% +$2.87M 0.01% 1135
2022
Q4
$1.43M Sell
28,700
-19,600
-41% -$989K ﹤0.01% 1937
2022
Q3
$2.12M Sell
48,300
-76,500
-61% -$3.86M 0.01% 1632
2022
Q2
$6.08M Sell
124,800
-36,700
-23% -$1.93M 0.02% 901
2022
Q1
$8.95M Buy
161,500
+71,400
+79% +$3.4M 0.03% 686
2021
Q4
$4.71M Buy
90,100
+40,600
+82% +$1.92M 0.02% 1027
2021
Q3
$2.15M Sell
49,500
-75,400
-60% -$3.39M 0.01% 1553
2021
Q2
$5.29M Buy
124,900
+57,700
+86% +$2.42M 0.02% 767
2021
Q1
$2.49M Sell
67,200
-129,500
-66% -$4.33M 0.01% 1154
2020
Q4
$5.8M Buy
196,700
+34,200
+21% +$949K 0.03% 634
2020
Q3
$4.35M Sell
162,500
-502,300
-76% -$14.3M 0.02% 644
2020
Q2
$17.4M Buy
664,800
+641,100
+2,705% +$16.2M 0.11% 143
2020
Q1
$564K Sell
23,700
-19,200
-45% -$581K ﹤0.01% 1786
2019
Q4
$1.37M Sell
42,900
-9,100
-18% -$298K 0.01% 1534
2019
Q3
$1.68M Buy
52,000
+10,100
+24% +$317K 0.01% 1193
2019
Q2
$1.31M Buy
41,900
+10,700
+34% +$351K 0.01% 1380
2019
Q1
$1.11M Sell
31,200
-100
-0.3% -$3.53K 0.01% 1562
2018
Q4
$1.01M Sell
31,300
-1,200
-4% -$39.4K 0.01% 1703
2018
Q3
$1.12M Buy
32,500
+10,000
+44% +$356K 0.01% 1957
2018
Q2
$788K Sell
22,500
-7,400
-25% -$250K ﹤0.01% 2358
2018
Q1
$983K Buy
29,900
+26,600
+806% +$896K 0.01% 1948
2017
Q4
$125 Sell
3,300
-2,100
-39% -$83.3K ﹤0.01% 3731
2017
Q3
$211 Buy
5,400
+1,000
+23% +$37.4K ﹤0.01% 3189
2017
Q2
$152 Buy
4,400
+4,000
+1,000% +$140K ﹤0.01% 3303
2017
Q1
$15 Sell
400
-800
-67% -$28.3K ﹤0.01% 4229
2016
Q4
$38K Sell
1,200
-3,200
-73% -$106K ﹤0.01% 3793
2016
Q3
$166K Sell
4,400
-1,000
-19% -$38.6K ﹤0.01% 2952
2016
Q2
$216K Buy
5,400
+2,600
+93% +$94.6K ﹤0.01% 2895
2016
Q1
$95K Buy
2,800
+2,200
+367% +$63.2K ﹤0.01% 3384
2015
Q4
$16K Sell
600
-19,200
-97% -$563K ﹤0.01% 4544
2015
Q3
$615K Buy
19,800
+16,700
+539% +$498K 0.01% 1397
2015
Q2
$97K Sell
3,100
-2,200
-42% -$77K ﹤0.01% 3063
2015
Q1
$194K Sell
5,300
-2,800
-35% -$108K ﹤0.01% 2216
2014
Q4
$313K Sell
8,100
-480
-6% -$17.5K ﹤0.01% 1960
2014
Q3
$280K Buy
8,580
+5,983
+230% +$194K ﹤0.01% 1794
2014
Q2
$85 Sell
2,597
-1,515
-37% -$41.1K ﹤0.01% 2578
2014
Q1
$106 Buy
4,112
+541
+15% +$13.8K ﹤0.01% 2346
2013
Q4
$100K Sell
3,571
-38,302
-91% -$981K ﹤0.01% 2525
2013
Q3
$1.04M Sell
41,873
-21,857
-34% -$555K 0.01% 838
2013
Q2
$1.57M Buy
+63,730
New +$2.06M 0.01% 691

Other funds holding IRM

Walleye Trading's IRM Position: Q1 2026 in Review

Walleye Trading opened a new position in Iron Mountain (IRM) in Q1 2026: 12,980 shares worth $1.33M. The stake represents ﹤0.01% of the portfolio and ranks #1966 among its holdings. This is a return to the name: Walleye Trading previously reported a position in IRM as recently as Q3 2025.

Walleye Trading first reported a position in IRM in Q3 2013 and has held it in 19 quarters since. The position peaked at $2.93M in Q4 2022. 1,082 funds tracked by Wall St. Rank hold IRM as of Q1 2026.

  • Walleye Trading held 12,980 shares of Iron Mountain worth $1.33M as of Q1 2026.
  • Iron Mountain was a new Walleye Trading position in Q1 2026.
  • Iron Mountain made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #1966 holding.
  • Walleye Trading first reported a position in Iron Mountain in Q3 2013 and has held it in 19 quarters since.
  • Walleye Trading's Iron Mountain position peaked at $2.93M in Q4 2022.
  • 1,082 funds tracked by Wall St. Rank held Iron Mountain as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.