Northern Trust’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
$137K Hold
28,762
﹤0.01% 4035
2025
Q4
$186K Buy
28,762
+17,075
+146% +$153K ﹤0.01% 4010
2025
Q3
$116K Hold
11,687
﹤0.01% 4098
2025
Q2
$117K Hold
11,687
﹤0.01% 4081
2025
Q1
$168K Buy
11,687
+1,280
+12% +$27.9K ﹤0.01% 3989
2024
Q4
$561K Sell
10,407
-785
-7% -$11.4K ﹤0.01% 3616
2024
Q3
$39.2K Sell
11,192
-3
-0% -$17 ﹤0.01% 4249
2024
Q2
$91.6K Buy
11,195
+1,739
+18% +$16.8K ﹤0.01% 4076
2024
Q1
$113K Sell
9,456
-527
-5% -$4.73K ﹤0.01% 4049
2023
Q4
$69.7K Sell
9,983
-169
-2% -$1.43K ﹤0.01% 4173
2023
Q3
$124K Hold
10,152
﹤0.01% 3956
2023
Q2
$219K Buy
10,152
+192
+2% +$3.97K ﹤0.01% 3792
2023
Q1
$229K Buy
9,960
+2,034
+26% +$53.1K ﹤0.01% 3803
2022
Q4
$173K Hold
7,926
﹤0.01% 3931
2022
Q3
$171K Buy
7,926
+1,074
+16% +$34.5K ﹤0.01% 3934
2022
Q2
$194K Sell
6,852
-17,327
-72% -$656K ﹤0.01% 3945
2022
Q1
$1.1M Sell
24,179
-544
-2% -$39.9K ﹤0.01% 3378
2021
Q4
$2.73M Sell
24,723
-1,560
-6% -$178K ﹤0.01% 3064
2021
Q3
$2.72M Sell
26,283
-7
-0% -$824 ﹤0.01% 3115
2021
Q2
$3.62M Buy
26,290
+4,136
+19% +$669K ﹤0.01% 3033
2021
Q1
$3.69M Buy
22,154
+5,072
+30% +$808K ﹤0.01% 2933
2020
Q4
$2.09M Sell
17,082
-445
-3% -$47.3K ﹤0.01% 3170
2020
Q3
$1.61M Sell
17,527
-338
-2% -$32.9K ﹤0.01% 3158
2020
Q2
$1.38M Buy
+17,865
New +$1.41M ﹤0.01% 3230
2019
Q1
Sell
-3,572
Closed -$143K 4257
2018
Q4
$143K Hold
3,572
﹤0.01% 3852
2018
Q3
$172K Sell
3,572
-124
-3% -$5.06K ﹤0.01% 3896
2018
Q2
$163K Sell
3,696
-11,927
-76% -$800K ﹤0.01% 3909
2018
Q1
$1.14M Sell
15,623
-13
-0.1% -$1.27K ﹤0.01% 3346
2017
Q4
$1.76M Sell
15,636
-213
-1% -$22.9K ﹤0.01% 3212
2017
Q3
$1.94M Sell
15,849
-16
-0.1% -$2.15K ﹤0.01% 3201
2017
Q2
$2.48M Buy
15,865
+12,472
+368% +$1.94M ﹤0.01% 3043
2017
Q1
$473K Buy
3,393
+243
+8% +$35K ﹤0.01% 3555
2016
Q4
$419K Sell
3,150
-51
-2% -$6.68K ﹤0.01% 3574
2016
Q3
$377K Sell
3,201
-10
-0.3% -$977 ﹤0.01% 3573
2016
Q2
$216K Sell
3,211
-10,139
-76% -$736K ﹤0.01% 3700
2016
Q1
$1.3M Sell
13,350
-48
-0.4% -$4.62K ﹤0.01% 3168
2015
Q4
$1.99M Buy
13,398
+46
+0.3% +$6.31K ﹤0.01% 3068
2015
Q3
$1.49M Sell
13,352
-1,243
-9% -$230K ﹤0.01% 3182
2015
Q2
$3.92M Sell
14,595
-599
-4% -$183K ﹤0.01% 2675
2015
Q1
$3.89M Buy
15,194
+9
+0.1% +$2.38K ﹤0.01% 2664
2014
Q4
$4.28M Sell
15,185
-403
-3% -$92.6K ﹤0.01% 2607
2014
Q3
$2.89M Sell
15,588
-240
-2% -$47.7K ﹤0.01% 2856
2014
Q2
$3.09M Sell
15,828
-1,477
-9% -$270K ﹤0.01% 2829
2014
Q1
$3.38M Sell
17,305
-1,409
-8% -$275K ﹤0.01% 2814
2013
Q4
$3.59M Buy
18,714
+270
+1% +$55.2K ﹤0.01% 2778
2013
Q3
$4.07M Sell
18,444
-1,944
-10% -$475K ﹤0.01% 2650
2013
Q2
$4.47M Buy
+20,388
New +$4.55M ﹤0.01% 2491

Other funds holding QMCO

Northern Trust's QMCO Position: Q1 2026 in Review

Northern Trust held its Quantum Corp (QMCO) position steady in Q1 2026 at 28,762 shares worth $137K. The position accounts for ﹤0.01% of the portfolio, ranked #4035.

Northern Trust first reported a position in QMCO in Q2 2013 and has held it in 47 quarters since. The position peaked at $4.47M in Q2 2013. 37 funds tracked by Wall St. Rank hold QMCO as of Q1 2026.

  • Northern Trust held 28,762 shares of Quantum Corp worth $137K as of Q1 2026.
  • Northern Trust left its Quantum Corp share count unchanged in Q1 2026.
  • Quantum Corp made up ﹤0.01% of Northern Trust's portfolio in Q1 2026, its #4035 holding.
  • Northern Trust first reported a position in Quantum Corp in Q2 2013 and has held it in 47 quarters since.
  • Northern Trust's Quantum Corp position peaked at $4.47M in Q2 2013.
  • 37 funds tracked by Wall St. Rank held Quantum Corp as of Q1 2026.

Based on Northern Trust's 13F filing for Q1 2026, filed 14 May 2026.