QUALYS, INC.

QLYSNASDAQ

$198.68+5.68 (+2.94% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

QUALYS, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+53.3%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	16.63%	$792M	0.01%	Not reported
Vanguard Portfolio Management LLC	7.78%	$371M	0.02%	Not reported
Vanguard Capital Management LLC	4.59%	$219M	0.00%	Not reported
State Street Corp	4.20%	$200M	0.01%	Not reported
Legal & General Group Plc	4.15%	$198M	0.04%	Not reported
Geode Capital Management, LLC	4.07%	$194M	0.01%	Not reported
AQR Capital Management LLC	4.03%	$191M	0.07%	Not reported
First Trust Advisors LP	3.26%	$155M	0.09%	Add 13.51%
Arrowstreet Capital, Limited Partnership	2.84%	$135M	0.06%	Not reported
Boston Trust Walden Corp	2.84%	$135M	1.03%	Reduce 2.52%
Penserra Capital Management LLC	2.25%	$107M	0.82%	Not reported
Millennium Management LLC	2.20%	$105M	0.04%	Not reported
Dimensional Fund Advisors LP	2.08%	$98.9M	0.02%	Not reported
Morgan Stanley	1.79%	$85.3M	0.00%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	1.60%	$76.1M	0.09%	Not reported
Rwa Wealth Partners, LLC	1.58%	$75.4M	0.72%	Not reported
Clark Capital Management Group, Inc.	1.57%	$74.8M	0.41%	Add 42.91%
Acadian Asset Management LLC	1.57%	$74.5M	0.09%	Not reported
Portolan Capital Management, LLC	1.53%	$72.8M	2.73%	Add 121.65%
Voya Investment Management LLC	1.51%	$71.7M	0.06%	Not reported
Northern Trust Corp	1.49%	$71.1M	0.01%	Not reported
Charles Schwab Investment Management Inc	1.49%	$70.8M	0.01%	Not reported
London Co of Virginia	1.24%	$58.9M	0.34%	Reduce 8.15%
Invesco Ltd.	1.22%	$58.2M	0.00%	Not reported
Goldman Sachs Group Inc	1.15%	$54.6M	0.00%	Not reported
Citadel Advisors LLC	1.09%	$52M	0.01%	Not reported
Fort Washington Investment Advisors Inc	1.06%	$50.7M	0.26%	Not reported
JPMorgan Chase & Co	0.84%	$37.6M	0.00%	Not reported
Point72 Asset Management, L.P.	0.83%	$39.3M	0.04%	Not reported
Renaissance Technologies LLC	0.82%	$39.1M	0.05%	Not reported
Bank of New York Mellon Corp	0.82%	$39M	0.01%	Not reported
Vanguard Fiduciary Trust Co	0.73%	$34.9M	0.01%	Not reported
UBS Group AG	0.70%	$33.6M	0.00%	Not reported
CDAM (UK) Ltd	0.63%	$30.2M	7.80%	Reduce 53.12%
Envestnet Asset Management Inc	0.62%	$29.3M	0.01%	Not reported
Retirement Systems of Alabama	0.50%	$23.9M	0.07%	Reduce 4.15%
CANADA LIFE ASSURANCE Co	0.50%	$23.9M	0.04%	Reduce 7.92%
Bank of America Corp	0.46%	$21.9M	0.00%	Not reported
Principal Financial Group Inc	0.43%	$20.4M	0.01%	Not reported
Wellington Management Group LLP	0.41%	$19.4M	0.00%	New Not reported
BNP Paribas Financial Markets	0.40%	$18.9M	0.01%	Not reported
Jupiter Topco LLC	0.39%	$18.5M	0.01%	Not reported
Systematic Financial Management LP	0.37%	$17.4M	0.35%	Add 11.23%
Russell Investments Group, Ltd.	0.36%	$16.4M	0.01%	Not reported
Fisher Asset Management, LLC	0.33%	$15.8M	0.00%	Reduce 1.08%
Nuveen, LLC	0.32%	$15.5M	0.00%	Not reported
Tributary Capital Management, LLC	0.32%	$15.4M	1.27%	Add 8.84%
Vontobel Holding Ltd.	0.31%	$14.8M	0.05%	Add 42.91%
Rhumbline Advisers	0.31%	$14.7M	0.01%	Not reported
Cullinan Associates Inc	0.30%	$14.1M	1.07%	Not reported

50 of 406 holders

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