QLYS Qualys, Inc.
Qualys, Inc. (QLYS) Institutional Ownership
What the institutions did with QLYS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 5.8M | 15.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | 7.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | 4.3% |
| STATE STREET CORP | 1.5M | 3.9% |
| Legal & General Group Plc | 1.4M | 3.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4M | 3.8% |
| AQR CAPITAL MANAGEMENT LLC | 1.4M | 3.8% |
| FIRST TRUST ADVISORS LP | 1.1M | 3.1% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 985.3K | 2.7% |
| Boston Trust Walden Corp | 984.9K | 2.7% |
| Penserra Capital Management LLC | 780.1K | 2.1% |
| MILLENNIUM MANAGEMENT LLC | 762.7K | 2.1% |
| DIMENSIONAL FUND ADVISORS LP | 719.2K | 2.0% |
| MORGAN STANLEY | 620.7K | 1.7% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 553.7K | 1.5% |
| RWA WEALTH PARTNERS, LLC | 548.8K | 1.5% |
| Clark Capital Management Group, Inc. | 543.7K | 1.5% |
| ACADIAN ASSET MANAGEMENT LLC | 542.3K | 1.5% |
| Portolan Capital Management, LLC | 529.8K | 1.4% |
| VOYA INVESTMENT MANAGEMENT LLC | 521.5K | 1.4% |
| NORTHERN TRUST CORP | 517.1K | 1.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 514.7K | 1.4% |
| LONDON CO OF VIRGINIA | 428.3K | 1.2% |
| Invesco Ltd. | 423.1K | 1.1% |
| GOLDMAN SACHS GROUP INC | 397.0K | 1.1% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | Increased | 235.4K | 762.7K | +527.3K |
| JPMORGAN CHASE & CO | Reduced | 760.8K | 291.7K | -469.2K |
| NEUBERGER BERMAN GROUP LLC | Reduced | 470.1K | 4.1K | -466.0K |
| Legal & General Group Plc | Increased | 1.0M | 1.4M | +407.8K |
| BlackRock, Inc. | Increased | 5.4M | 5.8M | +402.1K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 182.1K | 542.3K | +360.2K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.0M | 1.4M | +355.8K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | 416.6K | 75.6K | -341.0K |
| Portolan Capital Management, LLC | Increased | 239.0K | 529.8K | +290.8K |
| Point72 Asset Management, L.P. | New | 0 | 285.9K | +285.9K |
| Alyeska Investment Group, L.P. | Reduced | 304.7K | 33.6K | -271.1K |
| CDAM (UK) Ltd | Reduced | 469.0K | 219.9K | -249.1K |
| Fundsmith LLP | Sold Out | 226.1K | 0 | -226.1K |
| TUDOR INVESTMENT CORP ET AL | Reduced | 250.9K | 25.1K | -225.8K |
| VOYA INVESTMENT MANAGEMENT LLC | Increased | 297.4K | 521.5K | +224.1K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 497.6K | 284.1K | -213.5K |
| CITADEL ADVISORS LLC | Increased | 203.5K | 378.1K | +174.6K |
| Clark Capital Management Group, Inc. | Increased | 380.5K | 543.7K | +163.2K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2.5M | 2.7M | +158.8K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 832.8K | 985.3K | +152.5K |
| Trexquant Investment LP | Reduced | 156.0K | 6.9K | -149.2K |
| WELLINGTON MANAGEMENT GROUP LLP | New | 0 | 141.4K | +141.4K |
| MARSHALL WACE, LLP | Reduced | 143.5K | 2.3K | -141.2K |
| AMERIPRISE FINANCIAL INC | Reduced | 184.0K | 43.1K | -140.8K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 155.0K | 16.9K | -138.1K |
| FIRST TRUST ADVISORS LP | Increased | 996.1K | 1.1M | +134.6K |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | Increased | 243.9K | 368.9K | +125.0K |
| OBERWEIS ASSET MANAGEMENT INC/ | Sold Out | 118.9K | 0 | -118.9K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Increased | 438.6K | 553.7K | +115.2K |
| NORDEA INVESTMENT MANAGEMENT AB | Reduced | 168.0K | 62.2K | -105.8K |
| D. E. Shaw & Co., Inc. | Reduced | 125.1K | 19.9K | -105.2K |
| BARCLAYS PLC | Reduced | 135.5K | 32.8K | -102.7K |
| FEDERATED HERMES, INC. | Reduced | 180.3K | 79.1K | -101.2K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.3M | 1.4M | +88.7K |
| SCHRODER INVESTMENT MANAGEMENT GROUP | New | 0 | 84.9K | +84.9K |
| Janney Montgomery Scott LLC | Reduced | 89.7K | 9.0K | -80.7K |
| Russell Investments Group, Ltd. | Increased | 47.9K | 124.8K | +76.9K |
| AMERICAN CAPITAL MANAGEMENT INC | Reduced | 83.8K | 7.1K | -76.6K |
| GOLDMAN SACHS GROUP INC | Increased | 324.2K | 397.0K | +72.8K |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | 208.6K | 137.5K | -71.2K |
| Jump Financial, LLC | Increased | 8.3K | 76.9K | +68.6K |
| STATE STREET CORP | Increased | 1.4M | 1.5M | +67.4K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 113.7K | 47.7K | -66.0K |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Reduced | 75.7K | 12.1K | -63.6K |
| Man Group plc | Reduced | 73.3K | 11.7K | -61.7K |
| Freestone Grove Partners LP | Increased | 8.5K | 68.8K | +60.3K |
| Qube Research & Technologies Ltd | Sold Out | 55.2K | 0 | -55.2K |
| Creative Planning | Increased | 29.0K | 82.8K | +53.8K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 57.5K | 4.0K | -53.5K |
| UBS Group AG | Increased | 194.2K | 244.2K | +50.0K |
| RENAISSANCE GROUP LLC | Sold Out | 47.8K | 0 | -47.8K |
| BANK OF AMERICA CORP /DE/ | Reduced | 206.6K | 158.9K | -47.7K |
| Penserra Capital Management LLC | Increased | 732.5K | 780.1K | +47.6K |
| Y-Intercept (Hong Kong) Ltd | Sold Out | 47.2K | 0 | -47.2K |
| Public Sector Pension Investment Board | Sold Out | 47.1K | 0 | -47.1K |
| Asset Management One Co., Ltd. | Sold Out | 45.3K | 0 | -45.3K |
| SG Americas Securities, LLC | Reduced | 62.7K | 18.5K | -44.2K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 763.1K | 719.2K | -43.9K |
| Invesco Ltd. | Increased | 380.8K | 423.1K | +42.2K |
| HUSSMAN STRATEGIC ADVISORS, INC. | Sold Out | 42.0K | 0 | -42.0K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.