Millennium Management’s Iron Mountain IRM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$59.1M Sell
575,969
-119,925
-17% -$12.3M 0.03% 489
2025
Q1
$59.9M Buy
695,894
+666,681
+2,282% +$57.4M 0.03% 421
2024
Q4
$3.07M Sell
29,213
-100,029
-77% -$10.5M ﹤0.01% 2288
2024
Q3
$15.4M Buy
129,242
+51,205
+66% +$6.08M 0.01% 1266
2024
Q2
$6.99M Sell
78,037
-880,480
-92% -$78.9M ﹤0.01% 1695
2024
Q1
$76.9M Buy
958,517
+897,862
+1,480% +$72M 0.03% 373
2023
Q4
$4.24M Sell
60,655
-34,431
-36% -$2.41M ﹤0.01% 1995
2023
Q3
$5.65M Sell
95,086
-345,601
-78% -$20.5M ﹤0.01% 1803
2023
Q2
$25M Buy
440,687
+269,813
+158% +$15.3M 0.01% 864
2023
Q1
$9.04M Buy
170,874
+135,947
+389% +$7.19M 0.01% 1511
2022
Q4
$1.74M Sell
34,927
-267,809
-88% -$13.3M ﹤0.01% 2788
2022
Q3
$13.3M Sell
302,736
-426,331
-58% -$18.7M 0.01% 1280
2022
Q2
$35.5M Buy
729,067
+578,814
+385% +$28.2M 0.02% 560
2022
Q1
$8.33M Sell
150,253
-56,671
-27% -$3.14M ﹤0.01% 1779
2021
Q4
$10.8M Buy
206,924
+29,090
+16% +$1.52M 0.01% 1519
2021
Q3
$7.73M Sell
177,834
-169,402
-49% -$7.36M ﹤0.01% 1762
2021
Q2
$14.7M Sell
347,236
-185,229
-35% -$7.84M 0.01% 1066
2021
Q1
$19.7M Sell
532,465
-347,406
-39% -$12.9M 0.01% 806
2020
Q4
$25.9M Sell
879,871
-235,937
-21% -$6.96M 0.02% 629
2020
Q3
$29.9K Buy
1,115,808
+1,104,155
+9,475% +$29.6K 0.04% 380
2020
Q2
$304K Sell
11,653
-595,831
-98% -$15.5M ﹤0.01% 2954
2020
Q1
$14.5M Buy
+607,484
New +$14.5M 0.03% 441
2019
Q4
Sell
-367,629
Closed -$11.9M 3627
2019
Q3
$11.9M Buy
367,629
+226,765
+161% +$7.34M 0.02% 935
2019
Q2
$4.41M Sell
140,864
-1,038,423
-88% -$32.5M 0.01% 1575
2019
Q1
$41.8M Buy
1,179,287
+1,166,635
+9,221% +$41.4M 0.06% 359
2018
Q4
$410K Sell
12,652
-18,342
-59% -$594K ﹤0.01% 2707
2018
Q3
$1.07M Buy
+30,994
New +$1.07M ﹤0.01% 2504
2018
Q2
Sell
-669,395
Closed -$22M 3557
2018
Q1
$22M Buy
+669,395
New +$22M 0.03% 784
2017
Q3
Sell
-71,597
Closed -$2.46M 3370
2017
Q2
$2.46M Buy
+71,597
New +$2.46M ﹤0.01% 1786
2016
Q2
Sell
-745,873
Closed -$25.3M 3080
2016
Q1
$25.3M Buy
745,873
+271,605
+57% +$9.21M 0.06% 375
2015
Q4
$12.8M Buy
+474,268
New +$12.8M 0.03% 773
2015
Q1
Sell
-773,649
Closed -$29.9M 3202
2014
Q4
$29.9M Buy
773,649
+349,128
+82% +$13.5M 0.06% 410
2014
Q3
$13.9M Sell
424,521
-8,818
-2% -$288K 0.04% 644
2014
Q2
$14.2M Sell
433,339
-555,108
-56% -$18.2M 0.04% 598
2014
Q1
$25.2M Buy
+988,447
New +$25.2M 0.07% 344
2013
Q4
Sell
-179,743
Closed -$4.49M 2716
2013
Q3
$4.49M Sell
179,743
-75,245
-30% -$1.88M 0.01% 959
2013
Q2
$6.27M Buy
+254,988
New +$6.27M 0.02% 748