Qualys, Inc. (QLYS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

36,654,070Shares Outstanding

369,265Shares held by institutions

$38,370,326Value of institutional holdings

96.48%Institutional ownership %

4.38%Shares Changed QoQ

418No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 418 institutional investors hold a position in Qualys, Inc. (NASDAQ:QLYS).

The percentage of Qualys owned by institutions changed from 96.5% in September 2025 to 96.5% in December 2025, marking a slight down trend.
On a quarter-over-quarter basis, institutional holdings shifted by 4.38%, with a year-over-year a decrease of 5.64% in the count of filers.
A review of institutional activity for Qualys shows 217 of 418 filers increasing their positions, while 149 reduced their stake, and 52 remained unchanged.
The total number of shares held by institutions in Qualys increased to 35.36Mn as of December 2025, a net change of up by 1.48Mn shares quarter on quarter, and down 556.47K shares year over year.
The top institutional stake in Qualys as of December 31, 2025 belongs to BlackRock, Inc., which owns 5.37Mn shares, or 14.66% of the company.
Among the most significant buyers of Qualys during December 2025 were FULLER & THALER ASSET MANAGEMENT, INC. (591.36K), Clark Capital Management Group, Inc. (291.19K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (273.02K), FIRST TRUST ADVISORS LP (266.92K), NORGES BANK (219.40K).
Leading sellers of Qualys stock in December 2025 included AQR CAPITAL MANAGEMENT LLC (377.30K), Neuberger Berman Group LLC (234.50K), Fundsmith LLP (223.05K), BlackRock, Inc. (104.83K), UBS Group AG (80.30K).
The top 10 institutional holders of Qualys for the quarter ending December 2025 included BlackRock, Inc. (5.37Mn), VANGUARD GROUP INC (4.37Mn), FIRST TRUST ADVISORS LP (1.37Mn), STATE STREET CORP (1.35Mn), GEODE CAPITAL MANAGEMENT, LLC (1.26Mn), Legal & General Group Plc (1.16Mn), Boston Trust Walden Corp (1.10Mn), Neuberger Berman Group LLC (815.08K), DIMENSIONAL FUND ADVISORS LP (717.38K), MORGAN STANLEY (691.80K).

418 Institutional Holders

369,265 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	5,373,096	-104,835	-1.91%	$714,084,504.00
VANGUARD GROUP INC	31 Dec, 2025	4,365,407	-36,391	-0.83%	$580,162,589.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	1,372,587	266,924	24.14%	$182,416,812.00
STATE STREET CORP	31 Dec, 2025	1,348,093	-40,758	-2.93%	$179,161,560.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,256,002	48,877	4.05%	$168,379,771.00
Legal & General Group Plc	31 Dec, 2025	1,156,412	75,397	6.97%	$153,687,154.00
Boston Trust Walden Corp	31 Dec, 2025	1,103,888	-42,401	-3.70%	$146,706,715.00
Neuberger Berman Group LLC	31 Dec, 2025	815,077	-234,496	-22.34%	$108,323,734.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	717,381	21,649	3.11%	$95,343,922.00
MORGAN STANLEY	31 Dec, 2025	691,800	-39,770	-5.44%	$91,940,408.00
Fundsmith LLP	31 Dec, 2025	647,806	-223,053	-25.61%	$86,093,417.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	633,471	-377,298	-37.33%	$84,188,260.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	591,358	591,358	0.00%	$78,591,438.00
RWA WEALTH PARTNERS, LLC	31 Dec, 2025	588,748	-21,998	-3.60%	$78,244,609.00
Penserra Capital Management LLC	31 Dec, 2025	547,075	31,235	6.06%	$72,706.00
NORTHERN TRUST CORP	31 Dec, 2025	512,649	-33,006	-6.05%	$68,131,052.00
JPMORGAN CHASE & CO	31 Dec, 2025	488,695	-42,127	-7.94%	$64,947,565.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	480,300	24,600	5.40%	$63,831,870.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	470,311	-1,670	-0.35%	$62,504,339.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	430,885	-11,826	-2.67%	$57,264,617.00

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