Who owns QLYS?
Institutional ownership of Qualys Inc. from Form 13F, Q2 2026
430 institutional managers reported holding Qualys Inc. (QLYS) in Form 13F filings for Q2 2026, with 36,850,457 shares worth $5.1B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters cut a net 14,312 shares (-0.0%). 86 opened new positions and 71 sold out.
- Funds holding
- 430
- Value held
- $5.1B
- New / sold out
- 86 / 71
- Net shares, same filers
- -0.0%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of QLYS
Share of 13F holdings is each fund's shares as a share of the 36,850,457 QLYS shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Millennium Management LLC Added+$72.5M
- Legal & General Group Plc Added+$56.1M
- BlackRock, Inc. Added+$55.3M
- Acadian Asset Management LLC Added+$49.5M
- AQR Capital Management LLC Added+$48.6M
- Portolan Capital Management, LLC Added+$40.0M
- Point72 Asset Management, L.P. New+$39.3M
- Voya Investment Management LLC Added+$30.8M
- Citadel Advisors LLC Added+$24.0M
- Clark Capital Management Group, Inc. Added+$22.4M
Biggest sellers in Q2 2026
- Neuberger Berman Group LLC Trimmed-$64.1M
- JPMorgan Chase & Co Trimmed-$60.5M
- UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Trimmed-$46.9M
- Alyeska Investment Group, L.P. Trimmed-$37.3M
- CDAM (UK) Ltd Trimmed-$34.3M
- Tudor Investment Corp Et Al Trimmed-$31.0M
- Renaissance Technologies LLC Trimmed-$29.4M
- Trexquant Investment LP Trimmed-$20.5M
- Fundsmith LLP Sold out-$19.9M
- Marshall Wace, LLP Trimmed-$19.4M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $775M and sold $716M; 158 added and 138 trimmed.
Questions about QLYS ownership
- Who owns QLYS stock?
- 430 institutional investment managers reported QLYS positions in their Form 13F filings for Q2 2026, holding 36,850,457 shares worth $5.1B in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling QLYS?
- In Q2 2026, 86 managers opened new QLYS positions, 158 added, 138 trimmed and 71 sold out. Managers that filed in both quarters sold a net 14,312 shares.
- How current is this QLYS institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to QLYS by CUSIP. Options are left out. QLYS news and filings · QLYS insider trades · Top funds