Robeco Institutional Asset Management B.V. Qualys, Inc. Transaction History

Robeco Institutional Asset Management B.V.

$66.7 Billion
Q3 2025

A detailed history of Robeco Institutional Asset Management B.V. transactions in Qualys, Inc. stock. As of the latest transaction made, Robeco Institutional Asset Management B.V. holds 75,820 shares of QLYS stock, worth $10.9 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

75,820

Previous 56,375 34.49%

Holding current value

$10.9 Million

Previous $8.05 Million 24.57%

% of portfolio

0.02%

Previous 0.01%

34 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 22, 2025	BUY	$127.89 - $150.07 $2.49 Million - $2.92 Million	19,445 Added 34.49%	75,820 $10 Million
Q2 2025 Jul 18, 2025	BUY	$115.21 - $142.87 $1.09 Million - $1.35 Million	9,473 Added 20.2%	56,375 $8.05 Million
Q1 2025 Apr 23, 2025	SELL	$121.57 - $147.7 $622,681 - $756,519	-5,122 Reduced 9.85%	46,902 $5.91 Million
Q4 2024 Jan 22, 2025	BUY	$119.24 - $159.23 $2.38 Million - $3.18 Million	20,000 Added 62.45%	52,024 $7.29 Million
Q2 2024 Jul 22, 2024	BUY	$132.78 - $172.11 $265,560 - $344,220	2,000 Added 6.66%	32,024 $4.57 Million

Q1 2024 Apr 24, 2024	SELL	$159.47 - $198.19 $3.51 Million - $4.36 Million	-22,000 Reduced 42.29%	30,024 $5.01 Million
Q4 2023 Feb 14, 2024	BUY	$151.05 - $205.89 $142,289 - $193,948	942 Added 1.84%	52,024 $10.2 Million
Q4 2023 Feb 08, 2024	SELL	$151.05 - $205.89 $3.14 Million - $4.29 Million	-20,820 Reduced 28.96%	51,082 $52 Million
Q3 2023 Oct 23, 2023	SELL	$124.26 - $157.29 $1.24 Million - $1.57 Million	-10,000 Reduced 12.21%	71,902 $11 Million
Q2 2023 Jul 24, 2023	SELL	$107.64 - $131.69 $1.61 Million - $1.98 Million	-15,000 Reduced 15.48%	81,902 $10.6 Million
Q1 2023 May 03, 2023	BUY	$101.86 - $130.02 $576,731 - $736,173	5,662 Added 6.21%	96,902 $12.6 Million
Q3 2022 Dec 01, 2022	SELL	$118.93 - $160.02 $1.93 Million - $2.6 Million	-16,246 Reduced 15.11%	91,240 $12.7 Million
Q3 2022 Oct 26, 2022	SELL	$118.93 - $160.02 $1.93 Million - $2.6 Million	-16,246 Reduced 15.11%	91,240 $12.7 Million
Q2 2022 Dec 01, 2022	SELL	$112.45 - $149.65 $13.5 Million - $18 Million	-120,014 Reduced 52.75%	107,486 $13.6 Million
Q2 2022 Jul 27, 2022	SELL	$112.45 - $149.65 $13.5 Million - $18 Million	-120,014 Reduced 52.75%	107,486 $13.6 Million
Q1 2022 Dec 01, 2022	SELL	$111.19 - $143.93 $8.06 Million - $10.4 Million	-72,500 Reduced 24.17%	227,500 $32.4 Million
Q1 2022 Apr 26, 2022	SELL	$111.19 - $143.93 $8.06 Million - $10.4 Million	-72,500 Reduced 24.17%	227,500 $32.4 Million
Q4 2021 Dec 01, 2022	SELL	$108.43 - $140.98 $3.25 Million - $4.23 Million	-30,000 Reduced 9.09%	300,000 $41.2 Million
Q4 2021 Jan 31, 2022	SELL	$108.43 - $140.98 $3.25 Million - $4.23 Million	-30,000 Reduced 9.09%	300,000 $41.2 Million
Q3 2021 Dec 01, 2022	BUY	$98.68 - $119.76 $2.17 Million - $2.63 Million	21,979 Added 7.14%	330,000 $36.7 Million
Q3 2021 Oct 20, 2021	BUY	$98.68 - $119.76 $2.17 Million - $2.63 Million	21,979 Added 7.14%	330,000 $36.7 Million
Q2 2021 Dec 01, 2022	SELL	$94.38 - $108.33 $31,428 - $36,073	-333 Reduced 0.11%	308,021 $31 Million
Q2 2021 Jul 28, 2021	SELL	$94.38 - $108.33 $31,428 - $36,073	-333 Reduced 0.11%	308,021 $31 Million
Q1 2021 Dec 01, 2022	BUY	$91.75 - $145.3 $19.9 Million - $31.5 Million	217,114 Added 237.96%	308,354 $32.3 Million
Q1 2021 Apr 23, 2021	SELL	$91.75 - $145.3 $17 Million - $26.9 Million	-185,462 Reduced 37.56%	308,354 $32.3 Million
Q4 2020 Dec 01, 2022	BUY	$87.85 - $125.48 $35.4 Million - $50.5 Million	402,576 Added 441.23%	493,816 $60.2 Million
Q4 2020 Jan 28, 2021	BUY	$87.85 - $125.48 $18.2 Million - $26 Million	207,285 Added 72.34%	493,816 $60.2 Million
Q3 2020 Oct 29, 2020	BUY	$93.84 - $124.11 $431,007 - $570,037	4,593 Added 1.63%	286,531 $28.1 Million
Q2 2020 Jul 20, 2020	BUY	$82.8 - $117.93 $9.75 Million - $13.9 Million	117,808 Added 71.78%	281,938 $29.3 Million
Q1 2020 Apr 30, 2020	BUY	$68.0 - $94.32 $578,476 - $802,380	8,507 Added 5.47%	164,130 $14.3 Million
Q4 2019 Feb 06, 2020	BUY	$74.68 - $88.3 $11.4 Million - $13.4 Million	152,070 Added 4280.05%	155,623 $13 Million
Q2 2019 Jul 19, 2019	SELL	$80.64 - $91.77 $26,933 - $30,651	-334 Reduced 8.59%	3,553 $309,000
Q2 2018 Aug 03, 2018	BUY	$71.85 - $97.05 $23,997 - $32,414	334 Added 9.4%	3,887 $328,000
Q1 2018 May 07, 2018	BUY	$58.3 - $78.45 $207,139 - $278,732	3,553 New	3,553 $258,000

Others Institutions Holding QLYS

# of Institutions

482

Shares Held

36.5M

Call Options Held

134K

Put Options Held

21.4K

View Full List

About QUALYS, INC.

Ticker QLYS
Exchange NASDAQ
Sector Technology
Industry Software—Infrastructure
Shares Outstandng 38,363,600
Market Cap $5.51B
Description
Qualys, Inc. provides cloud-based information technology (IT), security, and compliance solutions in the United States and internationally. The company offers Qualys Cloud Apps, which includes Vulnerability Management; Vulnerability Management, Detection and Response; Threat Protection; Continuous Monitoring; Patch Management; Multi-Vector Endpo...

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Robeco Institutional Asset Management B.V. Qualys, Inc. Transaction History