Quantum Corp
QMCO
60 hedge funds and large institutions have $158M invested in Quantum Corp in 2026 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 18 increasing their positions, 7 reducing their positions, and 8 closing their positions.
1,965% more capital invested
Capital invested by funds: $7.66M → $158M (+$150M)
557% more call options, than puts
Call options by funds: $6.52M | Put options by funds: $992K
288% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 8
157% more repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 7
62% more funds holding
Funds holding: 37 → 60 (+23)
25.7% more ownership
Funds ownership: 11% → 36.71% (+26%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alyeska Investment Group
Chicago,
Illinois
|
+$25.5M |
| 2 |
TSC
Two Seas Capital
Rye,
New York
|
+$23.9M |
| 3 |
OCM
Oaktree Capital Management
Los Angeles,
California
|
+$19.3M |
| 4 |
Neuberger Berman Group
New York
|
+$11.2M |
| 5 |
ACM
Ashford Capital Management
Wilmington,
Delaware
|
+$9.97M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$508K |
| 2 |
CCA
Cygnus Capital Advisors
Atlanta,
Georgia
|
-$477K |
| 3 |
LPL Financial
San Diego,
California
|
-$117K |
| 4 |
Barclays
London,
United Kingdom
|
-$115K |
| 5 |
FHA
Flagship Harbor Advisors
Boston,
Massachusetts
|
-$59.3K |
QMCO Hedge Fund Activity: Q2 2026 in Review
60 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Quantum Corp (QMCO) for Q2 2026, worth a combined $158M — up 1,965% from $7.66M a quarter earlier.
Buyers outnumbered sellers: 31 funds opened new QMCO positions and 8 closed out — a net gain of 23 holders — while 18 added to existing stakes and 7 trimmed.
The largest buyer was Alyeska Investment Group, opening a new position worth an estimated $25.5M. The largest seller was UBS Group, cutting an estimated $508K.
- 60 institutional investors held Quantum Corp (QMCO) as of Q2 2026, up from 37 in Q1 2026.
- Funds reported $158M of Quantum Corp stock for Q2 2026, up 1,965% quarter-over-quarter.
- 31 funds opened new Quantum Corp positions in Q2 2026 and 8 closed out, a net change of +23 holders.
- The largest Quantum Corp buyer in Q2 2026 was Alyeska Investment Group, an estimated $25.5M added.
- The largest Quantum Corp seller in Q2 2026 was UBS Group, an estimated $508K sold.
Based on aggregated 13F filings for Q2 2026.