Millennium Management’s Quantum Corp QMCO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-11,244
Closed -$72.5K 6258
2025
Q4
$72.5K Buy
+11,244
New +$101K ﹤0.01% 5682
2024
Q3
Sell
-589
Closed -$4.82K 6399
2024
Q2
$4.82K Sell
589
-206
-26% -$1.99K ﹤0.01% 5679
2024
Q1
$9.46K Sell
795
-4,482
-85% -$40.2K ﹤0.01% 5934
2023
Q4
$36.8K Sell
5,277
-1,153
-18% -$9.73K ﹤0.01% 5524
2023
Q3
$78.4K Sell
6,430
-11,085
-63% -$183K ﹤0.01% 5393
2023
Q2
$378K Sell
17,515
-13,568
-44% -$281K ﹤0.01% 4738
2023
Q1
$715K Buy
31,083
+12,419
+67% +$324K ﹤0.01% 4371
2022
Q4
$407K Sell
18,664
-959
-5% -$23.6K ﹤0.01% 4887
2022
Q3
$424K Sell
19,623
-27,261
-58% -$876K ﹤0.01% 5103
2022
Q2
$1.33M Buy
+46,884
New +$1.77M ﹤0.01% 4109
2022
Q1
Sell
-9,657
Closed -$1.07M 7376
2021
Q4
$1.07M Buy
9,657
+4,711
+95% +$537K ﹤0.01% 4353
2021
Q3
$512K Sell
4,946
-7,704
-61% -$906K ﹤0.01% 5327
2021
Q2
$1.74M Buy
12,650
+8,189
+184% +$1.32M ﹤0.01% 4124
2021
Q1
$743K Buy
4,461
+2,520
+130% +$401K ﹤0.01% 4483
2020
Q4
$238K Buy
+1,941
New +$206K ﹤0.01% 4708
2020
Q2
Sell
-23,670
Closed -$1.4M 4520
2020
Q1
$1.4M Buy
+23,670
New +$2.13M ﹤0.01% 2259
2019
Q1
Sell
-3,991
Closed -$160K 4268
2018
Q4
$160K Sell
3,991
-17,844
-82% -$819K ﹤0.01% 3451
2018
Q3
$1.05M Sell
21,835
-3,389
-13% -$138K ﹤0.01% 2849
2018
Q2
$1.11M Buy
+25,224
New +$1.69M ﹤0.01% 2770
2017
Q3
Sell
-884
Closed -$138K 3801
2017
Q2
$138K Buy
+884
New +$137K ﹤0.01% 3262
2017
Q1
Sell
-1,466
Closed -$195K 3785
2016
Q4
$195K Sell
1,466
-308
-17% -$40.3K ﹤0.01% 3089
2016
Q3
$209K Sell
1,774
-6,474
-78% -$633K ﹤0.01% 2967
2016
Q2
$554K Buy
+8,248
New +$599K ﹤0.01% 2440
2016
Q1
Sell
-726
Closed -$108K 3590
2015
Q4
$108K Sell
726
-179
-20% -$24.6K ﹤0.01% 3230
2015
Q3
$101K Sell
905
-6,764
-88% -$1.25M ﹤0.01% 3269
2015
Q2
$2.06M Buy
7,669
+3,147
+70% +$962K ﹤0.01% 1907
2015
Q1
$1.16M Sell
4,522
-5,583
-55% -$1.47M ﹤0.01% 2244
2014
Q4
$2.85M Buy
10,105
+7,120
+239% +$1.64M 0.01% 1733
2014
Q3
$554K Sell
2,985
-216
-7% -$42.9K ﹤0.01% 2682
2014
Q2
$625K Sell
3,201
-1,097
-26% -$200K ﹤0.01% 2465
2014
Q1
$839K Sell
4,298
-3,293
-43% -$642K ﹤0.01% 2329
2013
Q4
$1.46M Buy
7,591
+365
+5% +$74.6K ﹤0.01% 2049
2013
Q3
$1.6M Sell
7,226
-1,597
-18% -$391K 0.01% 1825
2013
Q2
$1.93M Buy
+8,823
New +$1.97M 0.01% 1605

Other funds holding QMCO

Millennium Management's QMCO Position: Q1 2026 in Review

Millennium Management sold out of Quantum Corp (QMCO) in Q1 2026, closing a stake of 11,244 shares — an estimated $72.5K sold.

Millennium Management first reported a position in QMCO in Q2 2013 and held it in 34 quarters. The position peaked at $2.85M in Q4 2014. 37 funds tracked by Wall St. Rank hold QMCO as of Q1 2026.

  • Millennium Management reported no remaining Quantum Corp position as of Q1 2026 after selling out during the quarter.
  • Millennium Management sold 11,244 Quantum Corp shares in Q1 2026, an estimated $72.5K.
  • Millennium Management first reported a position in Quantum Corp in Q2 2013 and held it in 34 quarters.
  • Millennium Management's Quantum Corp position peaked at $2.85M in Q4 2014.
  • 37 funds tracked by Wall St. Rank held Quantum Corp as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.