Qualys
QLYS
430 hedge funds and large institutions have $5.05B invested in Qualys in 2026 Q2 according to their latest regulatory filings, with 88 funds opening new positions, 160 increasing their positions, 143 reducing their positions, and 72 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
190% more call options, than puts
Call options by funds: $77.8M | Put options by funds: $26.9M
55% more capital invested
Capital invested by funds: $3.25B → $5.05B (+$1.8B)
22% more first-time investments, than exits
New positions opened: 88 | Existing positions closed: 72
12% more repeat investments, than reductions
Existing positions increased: 160 | Existing positions reduced: 143
2% more funds holding
Funds holding: 422 → 430 (+8)
0.9% more ownership
Funds ownership: 103.71% → 104.61% (+0.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$51.9M |
| 2 |
Legal & General Group
London,
United Kingdom
|
+$40.1M |
| 3 |
BlackRock
New York
|
+$39.6M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$35.4M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
+$35M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$46.2M |
| 2 |
Neuberger Berman Group
New York
|
-$45.8M |
| 3 |
UBS AM
Chicago,
Illinois
|
-$33.5M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
-$26.7M |
| 5 |
CU
CDAM (UK)
London,
United Kingdom
|
-$24.5M |
QLYS Hedge Fund Activity: Q2 2026 in Review
430 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Qualys (QLYS) for Q2 2026, worth a combined $5.05B — up 55% from $3.25B a quarter earlier.
Buyers outnumbered sellers: 88 funds opened new QLYS positions and 72 closed out — a net gain of 16 holders — while 160 added to existing stakes and 143 trimmed.
The largest buyer was Millennium Management, adding an estimated $51.9M. The largest seller was JP Morgan Chase, cutting an estimated $46.2M.
- 430 institutional investors held Qualys (QLYS) as of Q2 2026, up from 422 in Q1 2026.
- Funds reported $5.05B of Qualys stock for Q2 2026, up 55% quarter-over-quarter.
- 88 funds opened new Qualys positions in Q2 2026 and 72 closed out, a net change of +16 holders.
- The largest Qualys buyer in Q2 2026 was Millennium Management, an estimated $51.9M added.
- The largest Qualys seller in Q2 2026 was JP Morgan Chase, an estimated $46.2M sold.
Based on aggregated 13F filings for Q2 2026.