QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 92,182 Value ($000) $12,251 Avg Close $137.58 Range $121.01 - $155.47

Q3 2025

Shares 89,205 Value ($000) $11,804 Avg Close $135.59 Range $124.10 - $151.10

Q2 2025

Shares 95,631 Value ($000) $13,663 Avg Close $132.36 Range $112.61 - $143.16

Q1 2025

Shares 100,976 Value ($000) $12,716 Avg Close $135.24 Range $121.53 - $150.58

Q4 2024

Shares 101,558 Value ($000) $14,240 Avg Close $139.19 Range $119.17 - $170.00

Q3 2024

Shares 113,065 Value ($000) $14,524 Avg Close $132.00 Range $119.32 - $151.06

Q2 2024

Shares 115,198 Value ($000) $16,427 Avg Close $152.28 Range $131.07 - $174.20

Q1 2024

Shares 103,635 Value ($000) $17,294 Avg Close $176.57 Range $156.51 - $201.03

Q4 2023

Shares 106,564 Value ($000) $20,916 Avg Close $174.91 Range $149.17 - $206.35

Q3 2023

Shares 112,067 Value ($000) $17,096 Avg Close $143.84 Range $122.53 - $157.88

Q2 2023

Shares 110,437 Value ($000) $14,265 Avg Close $123.00 Range $107.00 - $134.28

Q1 2023

Shares 112,942 Value ($000) $14,685 Avg Close $117.19 Range $101.10 - $130.63

Q4 2022

Shares 114,401 Value ($000) $12,839 Avg Close $124.92 Range $107.69 - $148.51

Q3 2022

Shares 113,082 Value ($000) $15,762 Avg Close $140.93 Range $114.02 - $162.36

Q2 2022

Shares 112,114 Value ($000) $14,142 Avg Close $130.99 Range $110.74 - $150.10

Q1 2022

Shares 79,584 Value ($000) $11,334 Avg Close $127.72 Range $108.10 - $145.50

Q4 2021

Shares 88,945 Value ($000) $12,205 Avg Close $127.76 Range $106.48 - $142.94

Q3 2021

Shares 86,585 Value ($000) $9,636 Avg Close $109.53 Range $97.02 - $121.07

Q2 2021

Shares 97,546 Value ($000) $9,822 Avg Close $101.79 Range $92.00 - $108.98

Q1 2021

Shares 89,265 Value ($000) $9,353 Avg Close $111.92 Range $90.26 - $148.84

Q4 2020

Shares 88,312 Value ($000) $10,763 Avg Close $98.93 Range $86.65 - $126.30

Q3 2020

Shares 89,480 Value ($000) $8,770 Avg Close $106.95 Range $90.93 - $125.22

Q2 2020

Shares 91,975 Value ($000) $9,567 Avg Close $104.77 Range $81.80 - $119.20

Q1 2020

Shares 61,565 Value ($000) $5,356 Avg Close $83.95 Range $63.37 - $94.72

Q4 2019

Shares 61,125 Value ($000) $5,096 Avg Close $82.92 Range $73.76 - $88.91

Q3 2019

Shares 60,820 Value ($000) $4,596 Avg Close $83.33 Range $72.76 - $92.19

Q2 2019

Shares 67,610 Value ($000) $5,887 Avg Close $86.26 Range $78.10 - $95.99

Q1 2019

Shares 54,240 Value ($000) $4,488 Avg Close $83.25 Range $69.35 - $97.12

Q4 2018

Shares 49,260 Value ($000) $3,682 Avg Close $75.36 Range $65.94 - $89.35

Q3 2018

Shares 48,145 Value ($000) $4,290 Avg Close $89.90 Range $82.91 - $98.30

Q2 2018

Shares 48,145 Value ($000) $4,059 Avg Close $80.38 Range $68.20 - $97.75

Q1 2018

Shares 50,468 Value ($000) $3,672 Avg Close $69.00 Range $57.20 - $79.40

Q4 2017

Shares 44,668 Value ($000) $2,651 Avg Close $56.22 Range $50.00 - $62.35

Q3 2017

Shares 50,768 Value ($000) $2,630 Avg Close $45.89 Range $39.45 - $53.55

Q2 2017

Shares 50,768 Value ($000) $2,071 Avg Close $40.16 Range $34.80 - $44.35

Q1 2017

Shares 40,685 Value ($000) $1,542 Avg Close $35.13 Range $31.80 - $38.38

Q4 2016

Shares 41,110 Value ($000) $1,301 Avg Close $35.20 Range $30.61 - $39.67

Q3 2016

Shares 42,400 Value ($000) $1,619 Avg Close $33.49 Range $29.69 - $38.32

Q2 2016

Shares 45,700 Value ($000) $1,362 Avg Close $28.08 Range $23.77 - $32.65

Q1 2016

Shares 37,000 Value ($000) $936 Avg Close $25.93 Range $16.96 - $32.48

Q4 2015

Shares 36,300 Value ($000) $1,201 Avg Close $35.27 Range $28.05 - $39.74

Q3 2015

Shares 37,361 Value ($000) $1,063 Avg Close $33.54 Range $25.32 - $42.97

Q2 2015

Shares 37,100 Value ($000) $1,497 Avg Close $44.87 Range $36.21 - $55.47

Q1 2015

Shares 30,900 Value ($000) $1,436 Avg Close $42.80 Range $35.01 - $50.00

Q4 2014

Shares 28,600 Value ($000) $1,080 Avg Close $33.37 Range $26.00 - $40.74

Q3 2014

Shares 28,600 Value ($000) $761 Avg Close $25.21 Range $22.65 - $29.70

Q2 2014

Shares 5,000 Value ($000) $128 Avg Close $22.74 Range $18.00 - $26.88

Q1 2014

Shares 800 Value ($000) $20 Avg Close $26.98 Range $20.37 - $29.94

Q2 2013

Shares 1,600 Value ($000) $26 Avg Close $12.98 Range $10.15 - $16.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	92,182	$12,251	$137.58	$121.01 - $155.47
Q3 2025	89,205	$11,804	$135.59	$124.10 - $151.10
Q2 2025	95,631	$13,663	$132.36	$112.61 - $143.16
Q1 2025	100,976	$12,716	$135.24	$121.53 - $150.58
Q4 2024	101,558	$14,240	$139.19	$119.17 - $170.00
Q3 2024	113,065	$14,524	$132.00	$119.32 - $151.06
Q2 2024	115,198	$16,427	$152.28	$131.07 - $174.20
Q1 2024	103,635	$17,294	$176.57	$156.51 - $201.03
Q4 2023	106,564	$20,916	$174.91	$149.17 - $206.35
Q3 2023	112,067	$17,096	$143.84	$122.53 - $157.88
Q2 2023	110,437	$14,265	$123.00	$107.00 - $134.28
Q1 2023	112,942	$14,685	$117.19	$101.10 - $130.63
Q4 2022	114,401	$12,839	$124.92	$107.69 - $148.51
Q3 2022	113,082	$15,762	$140.93	$114.02 - $162.36
Q2 2022	112,114	$14,142	$130.99	$110.74 - $150.10
Q1 2022	79,584	$11,334	$127.72	$108.10 - $145.50
Q4 2021	88,945	$12,205	$127.76	$106.48 - $142.94
Q3 2021	86,585	$9,636	$109.53	$97.02 - $121.07
Q2 2021	97,546	$9,822	$101.79	$92.00 - $108.98
Q1 2021	89,265	$9,353	$111.92	$90.26 - $148.84
Q4 2020	88,312	$10,763	$98.93	$86.65 - $126.30
Q3 2020	89,480	$8,770	$106.95	$90.93 - $125.22
Q2 2020	91,975	$9,567	$104.77	$81.80 - $119.20
Q1 2020	61,565	$5,356	$83.95	$63.37 - $94.72
Q4 2019	61,125	$5,096	$82.92	$73.76 - $88.91
Q3 2019	60,820	$4,596	$83.33	$72.76 - $92.19
Q2 2019	67,610	$5,887	$86.26	$78.10 - $95.99
Q1 2019	54,240	$4,488	$83.25	$69.35 - $97.12
Q4 2018	49,260	$3,682	$75.36	$65.94 - $89.35
Q3 2018	48,145	$4,290	$89.90	$82.91 - $98.30
Q2 2018	48,145	$4,059	$80.38	$68.20 - $97.75
Q1 2018	50,468	$3,672	$69.00	$57.20 - $79.40
Q4 2017	44,668	$2,651	$56.22	$50.00 - $62.35
Q3 2017	50,768	$2,630	$45.89	$39.45 - $53.55
Q2 2017	50,768	$2,071	$40.16	$34.80 - $44.35
Q1 2017	40,685	$1,542	$35.13	$31.80 - $38.38
Q4 2016	41,110	$1,301	$35.20	$30.61 - $39.67
Q3 2016	42,400	$1,619	$33.49	$29.69 - $38.32
Q2 2016	45,700	$1,362	$28.08	$23.77 - $32.65
Q1 2016	37,000	$936	$25.93	$16.96 - $32.48
Q4 2015	36,300	$1,201	$35.27	$28.05 - $39.74
Q3 2015	37,361	$1,063	$33.54	$25.32 - $42.97
Q2 2015	37,100	$1,497	$44.87	$36.21 - $55.47
Q1 2015	30,900	$1,436	$42.80	$35.01 - $50.00
Q4 2014	28,600	$1,080	$33.37	$26.00 - $40.74
Q3 2014	28,600	$761	$25.21	$22.65 - $29.70
Q2 2014	5,000	$128	$22.74	$18.00 - $26.88
Q1 2014	800	$20	$26.98	$20.37 - $29.94
Q2 2013	1,600	$26	$12.98	$10.15 - $16.25