QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 8,476 Value ($000) $1,126 Avg Close $137.58 Range $121.01 - $155.47

Q3 2025

Shares 8,576 Value ($000) $1,135 Avg Close $135.59 Range $124.10 - $151.10

Q2 2025

Shares 8,776 Value ($000) $1,254 Avg Close $132.36 Range $112.61 - $143.16

Q1 2025

Shares 8,776 Value ($000) $1,105 Avg Close $135.24 Range $121.53 - $150.58

Q4 2024

Shares 8,676 Value ($000) $1,217 Avg Close $139.19 Range $119.17 - $170.00

Q3 2024

Shares 8,776 Value ($000) $1,127 Avg Close $132.00 Range $119.32 - $151.06

Q2 2024

Shares 8,876 Value ($000) $1,266 Avg Close $152.28 Range $131.07 - $174.20

Q1 2024

Shares 9,076 Value ($000) $1,515 Avg Close $176.57 Range $156.51 - $201.03

Q4 2023

Shares 8,776 Value ($000) $1,723 Avg Close $174.91 Range $149.17 - $206.35

Q3 2023

Shares 8,776 Value ($000) $1,339 Avg Close $143.84 Range $122.53 - $157.88

Q2 2023

Shares 8,276 Value ($000) $1,069 Avg Close $123.00 Range $107.00 - $134.28

Q1 2023

Shares 8,776 Value ($000) $1,141 Avg Close $117.19 Range $101.10 - $130.63

Q4 2022

Shares 8,776 Value ($000) $985 Avg Close $124.92 Range $107.69 - $148.51

Q3 2022

Shares 8,776 Value ($000) $1,223 Avg Close $140.93 Range $114.02 - $162.36

Q2 2022

Shares 8,476 Value ($000) $1,069 Avg Close $130.99 Range $110.74 - $150.10

Q1 2022

Shares 8,476 Value ($000) $1,207 Avg Close $127.72 Range $108.10 - $145.50

Q4 2021

Shares 8,500 Value ($000) $1,166 Avg Close $127.76 Range $106.48 - $142.94

Q3 2021

Shares 8,400 Value ($000) $935 Avg Close $109.53 Range $97.02 - $121.07

Q2 2021

Shares 8,500 Value ($000) $856 Avg Close $101.79 Range $92.00 - $108.98

Q1 2021

Shares 12,500 Value ($000) $1,310 Avg Close $111.92 Range $90.26 - $148.84

Q4 2020

Shares 12,200 Value ($000) $1,487 Avg Close $98.93 Range $86.65 - $126.30

Q3 2020

Shares 12,300 Value ($000) $1,206 Avg Close $106.95 Range $90.93 - $125.22

Q2 2020

Shares 12,200 Value ($000) $1,269 Avg Close $104.77 Range $81.80 - $119.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,476	$1,126	$137.58	$121.01 - $155.47
Q3 2025	8,576	$1,135	$135.59	$124.10 - $151.10
Q2 2025	8,776	$1,254	$132.36	$112.61 - $143.16
Q1 2025	8,776	$1,105	$135.24	$121.53 - $150.58
Q4 2024	8,676	$1,217	$139.19	$119.17 - $170.00
Q3 2024	8,776	$1,127	$132.00	$119.32 - $151.06
Q2 2024	8,876	$1,266	$152.28	$131.07 - $174.20
Q1 2024	9,076	$1,515	$176.57	$156.51 - $201.03
Q4 2023	8,776	$1,723	$174.91	$149.17 - $206.35
Q3 2023	8,776	$1,339	$143.84	$122.53 - $157.88
Q2 2023	8,276	$1,069	$123.00	$107.00 - $134.28
Q1 2023	8,776	$1,141	$117.19	$101.10 - $130.63
Q4 2022	8,776	$985	$124.92	$107.69 - $148.51
Q3 2022	8,776	$1,223	$140.93	$114.02 - $162.36
Q2 2022	8,476	$1,069	$130.99	$110.74 - $150.10
Q1 2022	8,476	$1,207	$127.72	$108.10 - $145.50
Q4 2021	8,500	$1,166	$127.76	$106.48 - $142.94
Q3 2021	8,400	$935	$109.53	$97.02 - $121.07
Q2 2021	8,500	$856	$101.79	$92.00 - $108.98
Q1 2021	12,500	$1,310	$111.92	$90.26 - $148.84
Q4 2020	12,200	$1,487	$98.93	$86.65 - $126.30
Q3 2020	12,300	$1,206	$106.95	$90.93 - $125.22
Q2 2020	12,200	$1,269	$104.77	$81.80 - $119.20