Jeff Yass’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 | $768K | Buy |
+69,775
| New | +$669K | ﹤0.01% | 8877 |
|
|
2025
Q1 | – | Sell |
-9,727
| Closed | -$524K | – | 13270 |
|
|
2024
Q4 | $524K | Buy |
+9,727
| New | +$141K | ﹤0.01% | 8545 |
|
|
2024
Q3 | – | Sell |
-1,525
| Closed | -$12.5K | – | 12828 |
|
|
2024
Q2 | $12.5K | Sell |
1,525
-6,659
| -81% | -$64.2K | ﹤0.01% | 11744 |
|
|
2024
Q1 | $97.4K | Buy |
+8,184
| New | +$73.4K | ﹤0.01% | 11236 |
|
|
2023
Q2 | – | Sell |
-12,378
| Closed | -$285K | – | 12932 |
|
|
2023
Q1 | $285K | Buy |
12,378
+7,929
| +178% | +$207K | ﹤0.01% | 9835 |
|
|
2022
Q4 | $97K | Buy |
+4,449
| New | +$109K | ﹤0.01% | 10988 |
|
|
2022
Q3 | – | Sell |
-6,010
| Closed | -$171K | – | 13944 |
|
|
2022
Q2 | $171K | Buy |
6,010
+5,177
| +621% | +$196K | ﹤0.01% | 10865 |
|
|
2022
Q1 | $38K | Buy |
+833
| New | +$61K | ﹤0.01% | 12429 |
|
|
2021
Q3 | – | Sell |
-1,748
| Closed | -$206K | – | 13402 |
|
|
2021
Q2 | $241K | Sell |
1,748
-754
| -30% | -$122K | ﹤0.01% | 11218 |
|
|
2021
Q1 | $417K | Buy |
+2,502
| New | +$398K | ﹤0.01% | 9888 |
|
|
2020
Q3 | – | Sell |
-700
| Closed | -$68.2K | – | 11034 |
|
|
2020
Q2 | $54K | Sell |
700
-8,131
| -92% | -$644K | ﹤0.01% | 9728 |
|
|
2020
Q1 | $521K | Buy |
+8,831
| New | +$794K | ﹤0.01% | 6856 |
|
|
2019
Q1 | – | Sell |
-6,677
| Closed | -$267K | – | 9647 |
|
|
2018
Q4 | $267K | Buy |
6,677
+967
| +17% | +$44.4K | ﹤0.01% | 7214 |
|
|
2018
Q3 | $274K | Buy |
5,710
+759
| +15% | +$31K | ﹤0.01% | 7653 |
|
|
2018
Q2 | $218K | Buy |
+4,951
| New | +$332K | ﹤0.01% | 8463 |
|
|
2018
Q1 | – | Sell |
-4,192
| Closed | -$408K | – | 10011 |
|
|
2017
Q4 | $472K | Buy |
+4,192
| New | +$451K | ﹤0.01% | 6744 |
|
|
2017
Q2 | – | Sell |
-219
| Closed | -$34K | – | 9698 |
|
|
2017
Q1 | $30K | Buy |
219
+71
| +48% | +$10.2K | ﹤0.01% | 8669 |
|
|
2016
Q4 | $20K | Buy |
148
+83
| +128% | +$10.9K | ﹤0.01% | 9429 |
|
|
2016
Q3 | $8K | Buy |
+65
| New | +$6.35K | ﹤0.01% | 8293 |
|
|
2016
Q2 | – | Sell |
-686
| Closed | -$67K | – | 9182 |
|
|
2016
Q1 | $67K | Buy |
686
+36
| +6% | +$3.46K | ﹤0.01% | 8585 |
|
|
2015
Q4 | $96K | Buy |
650
+545
| +519% | +$74.8K | ﹤0.01% | 8900 |
|
|
2015
Q3 | $12K | Sell |
105
-992
| -90% | -$184K | ﹤0.01% | 9535 |
|
|
2015
Q2 | $295K | Buy |
+1,097
| New | +$335K | ﹤0.01% | 8569 |
|
|
2015
Q1 | – | Sell |
-434
| Closed | -$122K | – | 9836 |
|
|
2014
Q4 | $122K | Buy |
+434
| New | +$99.7K | ﹤0.01% | 9115 |
|
|
2014
Q3 | – | Sell |
-572
| Closed | -$111K | – | 9842 |
|
|
2014
Q2 | $111K | Buy |
+572
| New | +$105K | ﹤0.01% | 9390 |
|
|
2014
Q1 | – | Sell |
-332
| Closed | -$64K | – | 9317 |
|
|
2013
Q4 | $64K | Buy |
332
+257
| +343% | +$52.5K | ﹤0.01% | 8750 |
|
|
2013
Q3 | $16K | Sell |
75
-500
| -87% | -$122K | ﹤0.01% | 8324 |
|
|
2013
Q2 | $126K | Buy |
+575
| New | +$128K | ﹤0.01% | 7705 |
|
Other funds holding QMCO
TSC
OCM
PCM
ACM
MHP
Jeff Yass's QMCO Position: Q2 2026 in Review
Jeff Yass opened a new position in Quantum Corp (QMCO) in Q2 2026: 69,775 shares worth $768K. The stake represents ﹤0.01% of the portfolio and ranks #8877 among its holdings. This is a return to the name: Jeff Yass previously reported a position in QMCO as recently as Q4 2024.
Jeff Yass first reported a position in QMCO in Q2 2013 and has held it in 28 quarters since. 59 funds tracked by Wall St. Rank hold QMCO as of Q2 2026.
- Jeff Yass held 69,775 shares of Quantum Corp worth $768K as of Q2 2026.
- Quantum Corp was a new Jeff Yass position in Q2 2026.
- Quantum Corp made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8877 holding.
- Jeff Yass first reported a position in Quantum Corp in Q2 2013 and has held it in 28 quarters since.
- 59 funds tracked by Wall St. Rank held Quantum Corp as of Q2 2026.
Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.