Qualys QLYS Institutional Ownership

NASDAQ QLYS

$170.96 -0.69 (-0.40%)

As of: Sep 8, 2026 · 12:45 PM EDT

Institutions by Trading Activity

430 Institutions

Increased 249 57.9%

Unchanged 41 9.5%

Reduced 140 32.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

106.63%

▲+2.82 pp QoQ

Shares Held by Institutions

37.31Mn

of 34.99Mn outstanding

▲+5.21% QoQ

Shares Outstanding

34.99Mn

-2.32Mn held outside 13F filers

Institutional Investors

430

filed 13F for Jun 2026

▲+12 vs prior quarter

Net Shares Added (QoQ)

+1.85Mn

accumulated since last quarter

Value of Holdings

$6.40Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Qualys, Inc. (NASDAQ:QLYS) has 430 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 106.6% of outstanding shares in June 2026, up from 103.8% in March 2026.
Their total shares held in QLYS increased 5.21% from the prior quarter, while the number of investors in Qualys decreased 1.38% year over year.
Activity in QLYS broke down as 249 buyers, 140 sellers, and 41 unchanged among 430 total holders.
The aggregate institutional position in Qualys amounted to 37.31Mn shares as of June 2026, up by 1.85Mn shares quarter on quarter, and up 1.66Mn shares year over year.
BlackRock, Inc. holds the largest position in QLYS at 5.76Mn shares as of June 30, 2026, or 16.47% of shares outstanding.
The largest buyers of Qualys for the quarter ending June 2026 were MILLENNIUM MANAGEMENT LLC (527.33K), Sixth Street Partners Management Company, L.P. (514.68K), Legal & General Group Plc (407.79K), BlackRock, Inc. (402.12K), ACADIAN ASSET MANAGEMENT LLC (360.17K).
Top sellers of QLYS stock for the quarter ending June 2026 included Jpmorgan Chase & Co (469.16K), Neuberger Berman Group LLC (466.03K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (341.01K), Alyeska Investment Group, L.P. (271.05K), CDAM (UK) Ltd (249.14K).
Qualys's 10 largest shareholders as of June 2026 include BlackRock, Inc. (5.76Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.7Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.59Mn), State Street Corp (1.46Mn), Legal & General Group Plc (1.44Mn), GEODE CAPITAL MANAGEMENT, LLC (1.41Mn), AQR CAPITAL MANAGEMENT LLC (1.39Mn), FIRST TRUST ADVISORS LP (1.13Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (985.34K), Boston Trust Walden Corp (984.89K) per Business Quant data.

Form 13F Holdings

430 Institutional Holders

Report period 30 Jun, 2026

Total shares held 37.31Mn

Of outstanding 106.63%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	5,762,721	16.47%	▲402,125	+7.50%	$792.32Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,695,941	7.71%	▲158,815	+6.26%	$370.66Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,590,332	4.55%	▲5,726	+0.36%	$218.65Mn
4	State Street Corp	0000093751	1,456,158	4.16%	▲67,438	+4.86%	$200.21Mn
5	Legal & General Group Plc	0000764068	1,437,373	4.11%	▲407,786	+39.61%	$197.62Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,409,583	4.03%	▲88,674	+6.71%	$193.83Mn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	1,394,771	3.99%	▲355,843	+34.25%	$190.60Mn
8	FIRST TRUST ADVISORS LP	0001125816	1,130,656	3.23%	▲134,592	+13.51%	$155.45Mn
9	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	985,345	2.82%	▲152,549	+18.32%	$135.48Mn
10	Boston Trust Walden Corp	0001534866	984,889	2.81%	▼25,487	-2.52%	$135.41Mn
11	Penserra Capital Management LLC	0001593324	780,069	2.23%	▲47,565	+6.49%	$107.25K
12	MILLENNIUM MANAGEMENT LLC	0001273087	762,709	2.18%	▲527,327	+224.03%	$104.86Mn
13	DIMENSIONAL FUND ADVISORS LP	0000354204	719,248	2.06%	▼43,851	-5.75%	$98.86Mn
14	Morgan Stanley	0000895421	620,705	1.77%	▼25,721	-3.98%	$85.34Mn
15	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	553,737	1.58%	▲115,165	+26.26%	$76.06Mn
16	RWA WEALTH PARTNERS, LLC	0001544576	548,756	1.57%	▼4	0.00%	$75.45Mn
17	Clark Capital Management Group, Inc.	0001352187	543,703	1.55%	▲163,244	+42.91%	$74.75Mn
18	ACADIAN ASSET MANAGEMENT LLC	0000916542	542,279	1.55%	▲360,172	+197.78%	$74.53K
19	Portolan Capital Management, LLC	0001350290	529,807	1.51%	▲290,779	+121.65%	$72.84Mn
20	VOYA INVESTMENT MANAGEMENT LLC	0001068837	521,489	1.49%	▲224,134	+75.38%	$71.70Mn

Showing 1 to 20 of 430 holders