Qualys QLYS Institutional Ownership

NASDAQ QLYS

$190.08 +9.03 (+4.99%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

429 Institutions

Increased 248 57.8%

Unchanged 41 9.6%

Reduced 140 32.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

36.80Mn

of 34.99Mn outstanding

▼-0.12% QoQ

Shares Outstanding

34.99Mn

Institutional Investors

429

filed 13F for Jun 2026

▲+12 vs prior quarter

Net Shares Added (QoQ)

-44.12K

distributed since last quarter

Value of Holdings

$7.09Bn

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

Updated Oct 11, 2026

Qualys, Inc. (NASDAQ:QLYS) counted 429 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Total holdings of Qualys shares fell 0.12% from Q1 2026, and the number of holders fell 1.15% from Q2 2025.
Of the 429 holders of QLYS in Q2 2026, 248 added to their positions, 140 reduced their stakes and 41 left their positions unchanged.
In total, institutional investors held 36.8Mn shares of Qualys at the end of Q2 2026, down 44.12K from the prior quarter and up 2.74Mn from a year earlier.
BlackRock, Inc. was the top holder of Qualys as of June 30, 2026, with 5.76Mn shares.
Among existing holders, the largest additions to Qualys in Q2 2026 came from Millennium Management LLC (+527.33K shares), Legal & General Group PLC (+407.79K shares), BlackRock, Inc. (+402.12K shares), Acadian Asset Management LLC (+360.17K shares) and AQR Capital Management LLC (+355.84K shares).
Holders that trimmed the most shares of Qualys in Q2 2026 while keeping a position were JPMorgan Chase & Co (-469.16K shares), Neuberger Berman Group LLC (-466.03K shares), UBS Asset Management Americas (-341.01K shares), Alyeska Investment Group, L.P. (-271.05K shares) and CDAM (UK) Ltd (-249.14K shares).
Qualys' 10 largest institutional shareholders as of Q2 2026 were BlackRock, Inc. (5.76Mn shares), Vanguard Portfolio Management LLC (2.7Mn shares), Vanguard Capital Management LLC (1.59Mn shares), State Street Corp (1.46Mn shares), Legal & General Group PLC (1.44Mn shares), Geode Capital Management, LLC (1.41Mn shares), AQR Capital Management LLC (1.39Mn shares), First Trust Advisors LP (1.13Mn shares), Arrowstreet Capital, Limited Partnership (985.35K shares) and Boston Trust Walden Corp (984.89K shares), per Business Quant data.

Form 13F Holdings

430 Institutional Holders

Report period 30 Jun, 2026

Total shares held 36.80Mn

Of outstanding —

#	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