QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

DUPONT CAPITAL MANAGEMENT CORP's Holding History (CIK: 0001128251)

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

Q1 2023

Shares 2,678 Value ($000) $348 Avg Close $117.19 Range $101.10 - $130.63

Q4 2022

Shares 2,290 Value ($000) $257 Avg Close $124.92 Range $107.69 - $148.51

Q3 2022

Shares 16,054 Value ($000) $2,238 Avg Close $140.93 Range $114.02 - $162.36

Q2 2022

Shares 11,368 Value ($000) $1,434 Avg Close $130.99 Range $110.74 - $150.10

Q1 2022

Shares 9,146 Value ($000) $1,302 Avg Close $127.72 Range $108.10 - $145.50

Q4 2021

Shares 16,422 Value ($000) $2,253 Avg Close $127.76 Range $106.48 - $142.94

Q3 2021

Shares 22,865 Value ($000) $2,545 Avg Close $109.53 Range $97.02 - $121.07

Q2 2021

Shares 13,690 Value ($000) $1,378 Avg Close $101.79 Range $92.00 - $108.98

Q1 2021

Shares 5,012 Value ($000) $525 Avg Close $111.92 Range $90.26 - $148.84

Q4 2020

Shares 13,090 Value ($000) $1,595 Avg Close $98.93 Range $86.65 - $126.30

Q3 2020

Shares 13,541 Value ($000) $1,327 Avg Close $106.95 Range $90.93 - $125.22

Q2 2020

Shares 9,866 Value ($000) $1,026 Avg Close $104.77 Range $81.80 - $119.20

Q1 2020

Shares 8,720 Value ($000) $759 Avg Close $83.95 Range $63.37 - $94.72

Q4 2019

Shares 18,757 Value ($000) $1,564 Avg Close $82.92 Range $73.76 - $88.91

Q3 2019

Shares 18,757 Value ($000) $1,417 Avg Close $83.33 Range $72.76 - $92.19

Q2 2019

Shares 27,988 Value ($000) $2,437 Avg Close $86.26 Range $78.10 - $95.99

Q1 2019

Shares 33,999 Value ($000) $2,813 Avg Close $83.25 Range $69.35 - $97.12

Q4 2018

Shares 33,999 Value ($000) $2,541 Avg Close $75.36 Range $65.94 - $89.35

Q3 2018

Shares 33,999 Value ($000) $3,029 Avg Close $89.90 Range $82.91 - $98.30

Q2 2018

Shares 33,999 Value ($000) $2,866 Avg Close $80.38 Range $68.20 - $97.75

Q1 2018

Shares 33,999 Value ($000) $2,473 Avg Close $69.00 Range $57.20 - $79.40

Q4 2017

Shares 46,721 Value ($000) $2,773 Avg Close $56.22 Range $50.00 - $62.35

Q3 2017

Shares 43,263 Value ($000) $2,241 Avg Close $45.89 Range $39.45 - $53.55

Q2 2017

Shares 43,263 Value ($000) $1,765 Avg Close $40.16 Range $34.80 - $44.35

Q1 2017

Shares 44,900 Value ($000) $1,702 Avg Close $35.13 Range $31.80 - $38.38

Q4 2016

Shares 64,048 Value ($000) $2,027 Avg Close $35.20 Range $30.61 - $39.67

Q3 2016

Shares 24,670 Value ($000) $942 Avg Close $33.49 Range $29.69 - $38.32

Q2 2016

Shares 13,275 Value ($000) $396 Avg Close $28.08 Range $23.77 - $32.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	2,678	$348	$117.19	$101.10 - $130.63
Q4 2022	2,290	$257	$124.92	$107.69 - $148.51
Q3 2022	16,054	$2,238	$140.93	$114.02 - $162.36
Q2 2022	11,368	$1,434	$130.99	$110.74 - $150.10
Q1 2022	9,146	$1,302	$127.72	$108.10 - $145.50
Q4 2021	16,422	$2,253	$127.76	$106.48 - $142.94
Q3 2021	22,865	$2,545	$109.53	$97.02 - $121.07
Q2 2021	13,690	$1,378	$101.79	$92.00 - $108.98
Q1 2021	5,012	$525	$111.92	$90.26 - $148.84
Q4 2020	13,090	$1,595	$98.93	$86.65 - $126.30
Q3 2020	13,541	$1,327	$106.95	$90.93 - $125.22
Q2 2020	9,866	$1,026	$104.77	$81.80 - $119.20
Q1 2020	8,720	$759	$83.95	$63.37 - $94.72
Q4 2019	18,757	$1,564	$82.92	$73.76 - $88.91
Q3 2019	18,757	$1,417	$83.33	$72.76 - $92.19
Q2 2019	27,988	$2,437	$86.26	$78.10 - $95.99
Q1 2019	33,999	$2,813	$83.25	$69.35 - $97.12
Q4 2018	33,999	$2,541	$75.36	$65.94 - $89.35
Q3 2018	33,999	$3,029	$89.90	$82.91 - $98.30
Q2 2018	33,999	$2,866	$80.38	$68.20 - $97.75
Q1 2018	33,999	$2,473	$69.00	$57.20 - $79.40
Q4 2017	46,721	$2,773	$56.22	$50.00 - $62.35
Q3 2017	43,263	$2,241	$45.89	$39.45 - $53.55
Q2 2017	43,263	$1,765	$40.16	$34.80 - $44.35
Q1 2017	44,900	$1,702	$35.13	$31.80 - $38.38
Q4 2016	64,048	$2,027	$35.20	$30.61 - $39.67
Q3 2016	24,670	$942	$33.49	$29.69 - $38.32
Q2 2016	13,275	$396	$28.08	$23.77 - $32.65