BlackRock’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
Q2 | $3M | Buy |
273,030
+55,498
| +26% | +$532K | ﹤0.01% | 4057 |
|
|
2026
Q1 | $1.03M | Sell |
217,532
-3,214
| -1% | -$19.4K | ﹤0.01% | 4338 |
|
|
2025
Q4 | $1.42M | Buy |
220,746
+58,408
| +36% | +$524K | ﹤0.01% | 4211 |
|
|
2025
Q3 | $1.61M | Buy |
162,338
+21,027
| +15% | +$177K | ﹤0.01% | 4160 |
|
|
2025
Q2 | $1.41M | Buy |
141,311
+12,079
| +9% | +$134K | ﹤0.01% | 4152 |
|
|
2025
Q1 | $1.86M | Buy |
129,232
+3,128
| +2% | +$68.2K | ﹤0.01% | 4019 |
|
|
2024
Q4 | $6.8M | Buy |
126,104
+83,481
| +196% | +$1.21M | ﹤0.01% | 3601 |
|
|
2024
Q3 | $149K | Sell |
42,623
-3,222
| -7% | -$18.2K | ﹤0.01% | 4593 |
|
|
2024
Q2 | $375K | Sell |
45,845
-3,998
| -8% | -$38.5K | ﹤0.01% | 4416 |
|
|
2024
Q1 | $593K | Sell |
49,843
-737
| -1% | -$6.61K | ﹤0.01% | 4327 |
|
|
2023
Q4 | $353K | Sell |
50,580
-92
| -0.2% | -$776 | ﹤0.01% | 4510 |
|
|
2023
Q3 | $618K | Sell |
50,672
-1,439
| -3% | -$23.8K | ﹤0.01% | 4363 |
|
|
2023
Q2 | $1.13M | Buy |
52,111
+1,685
| +3% | +$34.8K | ﹤0.01% | 4258 |
|
|
2023
Q1 | $1.16M | Sell |
50,426
-5,469
| -10% | -$143K | ﹤0.01% | 4285 |
|
|
2022
Q4 | $1.22M | Buy |
55,895
+89
| +0.2% | +$2.19K | ﹤0.01% | 4348 |
|
|
2022
Q3 | $1.21M | Sell |
55,806
-1,559
| -3% | -$50.1K | ﹤0.01% | 4411 |
|
|
2022
Q2 | $1.63M | Sell |
57,365
-139,661
| -71% | -$5.29M | ﹤0.01% | 4337 |
|
|
2022
Q1 | $8.95M | Buy |
197,026
+409
| +0.2% | +$30K | ﹤0.01% | 3638 |
|
|
2021
Q4 | $21.7M | Buy |
196,617
+4,482
| +2% | +$511K | ﹤0.01% | 3219 |
|
|
2021
Q3 | $19.9M | Buy |
192,135
+18
| +0% | +$2.12K | ﹤0.01% | 3280 |
|
|
2021
Q2 | $26.5M | Buy |
192,117
+63,599
| +49% | +$10.3M | ﹤0.01% | 3128 |
|
|
2021
Q1 | $21.4M | Buy |
128,518
+55,305
| +76% | +$8.81M | ﹤0.01% | 3149 |
|
|
2020
Q4 | $8.96M | Sell |
73,213
-1,519
| -2% | -$162K | ﹤0.01% | 3417 |
|
|
2020
Q3 | $6.88M | Sell |
74,732
-1,229
| -2% | -$120K | ﹤0.01% | 3435 |
|
|
2020
Q2 | $5.86M | Buy |
+75,961
| New | +$6.01M | ﹤0.01% | 3458 |
|
|
2019
Q1 | – | Sell |
-30,626
| Closed | -$1.23M | – | 5025 |
|
|
2018
Q4 | $1.23M | Sell |
30,626
-28
| -0.1% | -$1.29K | ﹤0.01% | 3815 |
|
|
2018
Q3 | $1.47M | Buy |
30,654
+189
| +0.6% | +$7.71K | ﹤0.01% | 3856 |
|
|
2018
Q2 | $1.34M | Sell |
30,465
-60,703
| -67% | -$4.07M | ﹤0.01% | 3862 |
|
|
2018
Q1 | $6.64M | Sell |
91,168
-15
| -0% | -$1.46K | ﹤0.01% | 3297 |
|
|
2017
Q4 | $10.3M | Sell |
91,183
-6,550
| -7% | -$705K | ﹤0.01% | 3133 |
|
|
2017
Q3 | $12M | Sell |
97,733
-1,823
| -2% | -$244K | ﹤0.01% | 3065 |
|
|
2017
Q2 | $15.6M | Buy |
99,556
+62,732
| +170% | +$9.74M | ﹤0.01% | 2919 |
|
|
2017
Q1 | $5.13M | Buy |
+36,824
| New | +$5.3M | ﹤0.01% | 3375 |
|
|
2016
Q2 | – | Sell |
-107
| Closed | -$10K | – | 3799 |
|
|
2016
Q1 | $10K | Buy |
107
+65
| +155% | +$6.25K | ﹤0.01% | 3165 |
|
|
2015
Q4 | $6K | Hold |
42
| – | – | ﹤0.01% | 3095 |
|
|
2015
Q3 | $5K | Hold |
42
| – | – | ﹤0.01% | 3022 |
|
|
2015
Q2 | $12K | Sell |
42
-7
| -14% | -$2.14K | ﹤0.01% | 2684 |
|
|
2015
Q1 | $13K | Hold |
49
| – | – | ﹤0.01% | 2590 |
|
|
2014
Q4 | $14K | Hold |
49
| – | – | ﹤0.01% | 2557 |
|
|
2014
Q3 | $9K | Hold |
49
| – | – | ﹤0.01% | 2799 |
|
|
2014
Q2 | $10K | Sell |
49
-1
| -2% | -$183 | ﹤0.01% | 2789 |
|
|
2014
Q1 | $10K | Hold |
50
| – | – | ﹤0.01% | 2722 |
|
|
2013
Q4 | $10K | Hold |
50
| – | – | ﹤0.01% | 2719 |
|
|
2013
Q3 | $11K | Hold |
50
| – | – | ﹤0.01% | 2585 |
|
|
2013
Q2 | $11K | Buy |
+50
| New | +$11.2K | ﹤0.01% | 2588 |
|
Other funds holding QMCO
KA
FHA
SS
GRP
CA
FFA
BlackRock's QMCO Position: Q2 2026 in Review
BlackRock increased its Quantum Corp (QMCO) stake by 26% in Q2 2026, buying an estimated $532K and bringing the position to 273,030 shares worth $3M. The position accounts for ﹤0.01% of the portfolio, ranked #4057.
BlackRock first reported a position in QMCO in Q2 2013 and has held it in 45 quarters since. The position peaked at $26.5M in Q2 2021. 10 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.
- BlackRock held 273,030 shares of Quantum Corp worth $3M as of Q2 2026.
- BlackRock bought 55,498 Quantum Corp shares in Q2 2026, an estimated $532K.
- Quantum Corp made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #4057 holding.
- BlackRock first reported a position in Quantum Corp in Q2 2013 and has held it in 45 quarters since.
- BlackRock's Quantum Corp position peaked at $26.5M in Q2 2021.
- 10 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.
Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.