FOSTER CITY, CA
QUALYS, INC.QLYS— Latest position per institution from SEC 13F filings
15
Institutional holders
31.60M
Total shares held
3.18B
Estimated value
1.58M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
5.36M
Value
470.93M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.31M
Value
757.70M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
4.37M
Value
580.16M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.54M
Value
222.89M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.58M
Value
139.21M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.39M
Value
122M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.32M
Value
116.06M
Filed
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
1.04M
Value
90.84M
Filed
Mar 31, 2026
LEGAL & GENERAL GROUP PLC
CIK 764068
Shares
1.03M
Value
90.45M
Filed
Mar 31, 2026
BOSTON TRUST WALDEN CORP
CIK 1534866
Shares
1.01M
Value
88.76M
Filed
Mar 31, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
996.06K
Value
87.50M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
832.80K
Value
73.16M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
763.10K
Value
67.04M
Filed
Mar 31, 2026
PENSERRA CAPITAL MANAGEMENT LLC
CIK 1593324
Shares
732.50K
Value
64.35K
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
646.43K
Value
56.79M
Filed
Mar 31, 2026
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 1082327
Shares
591.36K
Value
78.59M
Filed
Dec 31, 2025
RWA WEALTH PARTNERS, LLC
CIK 1544576
Shares
548.76K
Value
48.21M
Filed
Mar 31, 2026
ATLANTA CAPITAL MANAGEMENT CO L L C
CIK 1027817
Shares
522K
Value
72.76K
Filed
Sep 30, 2022
NORTHERN TRUST CORP
CIK 73124
Shares
510.55K
Value
44.85M
Filed
Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
502.42K
Value
44.14M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 5.36M | 470.93M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 5.31M | 757.70M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 4.37M | 580.16M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.54M | 222.89M | Mar 31, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.58M | 139.21M | Mar 31, 2026 |
| 6 | STATE STREET CORP | 93751 | 1.39M | 122M | Mar 31, 2026 |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.32M | 116.06M | Mar 31, 2026 |
| 8 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 1.04M | 90.84M | Mar 31, 2026 |
| 9 | LEGAL & GENERAL GROUP PLC | 764068 | 1.03M | 90.45M | Mar 31, 2026 |
| 10 | BOSTON TRUST WALDEN CORP | 1534866 | 1.01M | 88.76M | Mar 31, 2026 |
| 11 | FIRST TRUST ADVISORS LP | 1125816 | 996.06K | 87.50M | Mar 31, 2026 |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 832.80K | 73.16M | Mar 31, 2026 |
| 13 | DIMENSIONAL FUND ADVISORS LP | 354204 | 763.10K | 67.04M | Mar 31, 2026 |
| 14 | PENSERRA CAPITAL MANAGEMENT LLC | 1593324 | 732.50K | 64.35K | Mar 31, 2026 |
| 15 | MORGAN STANLEY | 895421 | 646.43K | 56.79M | Mar 31, 2026 |
| 16 | FULLER & THALER ASSET MANAGEMENT, INC. | 1082327 | 591.36K | 78.59M | Dec 31, 2025 |
| 17 | RWA WEALTH PARTNERS, LLC | 1544576 | 548.76K | 48.21M | Mar 31, 2026 |
| 18 | ATLANTA CAPITAL MANAGEMENT CO L L C | 1027817 | 522K | 72.76K | Sep 30, 2022 |
| 19 | NORTHERN TRUST CORP | 73124 | 510.55K | 44.85M | Mar 31, 2026 |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 502.42K | 44.14M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.