IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 51,153 Value ($000) $9,077 Avg Close $177.21 Range $155.00 - $212.00

Q3 2025

Shares 60,224 Value ($000) $10,358 Avg Close $158.94 Range $129.48 - $187.57

Q2 2025

Shares 68,475 Value ($000) $10,542 Avg Close $129.23 Range $92.52 - $157.13

Q1 2025

Shares 75,040 Value ($000) $7,855 Avg Close $105.91 Range $86.55 - $128.52

Q4 2024

Shares 74,416 Value ($000) $6,710 Avg Close $78.57 Range $55.92 - $92.38

Q3 2024

Shares 70,580 Value ($000) $5,240 Avg Close $79.65 Range $60.88 - $109.50

Q2 2024

Shares 69,911 Value ($000) $7,525 Avg Close $102.15 Range $82.60 - $118.43

Q1 2024

Shares 68,455 Value ($000) $7,941 Avg Close $112.42 Range $97.50 - $124.11

Q4 2023

Shares 76,837 Value ($000) $8,225 Avg Close $87.15 Range $70.24 - $110.48

Q3 2023

Shares 53,250 Value ($000) $5,019 Avg Close $101.67 Range $82.51 - $119.36

Q2 2023

Shares 47,169 Value ($000) $4,921 Avg Close $120.06 Range $93.54 - $140.23

Q1 2023

Shares 48,554 Value ($000) $6,022 Avg Close $108.45 Range $85.74 - $126.24

Q4 2022

Shares 54,443 Value ($000) $5,100 Avg Close $108.84 Range $88.73 - $138.38

Q3 2022

Shares 56,252 Value ($000) $7,047 Avg Close $144.39 Range $105.33 - $164.69

Q2 2022

Shares 58,056 Value ($000) $6,272 Avg Close $132.47 Range $103.03 - $169.54

Q1 2022

Shares 60,500 Value ($000) $9,527 Avg Close $128.41 Range $101.63 - $161.80

Q4 2021

Shares 60,500 Value ($000) $7,120 Avg Close $91.74 Range $56.52 - $127.61

Q3 2021

Shares 60,500 Value ($000) $3,543 Avg Close $52.99 Range $41.66 - $67.28

Q2 2021

Shares 60,500 Value ($000) $4,014 Avg Close $79.24 Range $59.64 - $144.69

Q1 2021

Shares 62,800 Value ($000) $8,720 Avg Close $179.22 Range $125.10 - $286.19

Q4 2020

Shares 61,900 Value ($000) $14,683 Avg Close $227.91 Range $179.01 - $274.21

Q3 2020

Shares 68,000 Value ($000) $16,191 Avg Close $176.91 Range $108.86 - $241.93

Q2 2020

Shares 80,000 Value ($000) $9,271 Avg Close $110.25 Range $70.63 - $136.55

Q1 2020

Shares 80,000 Value ($000) $6,508 Avg Close $82.93 Range $56.54 - $104.25

Q4 2019

Shares 80,000 Value ($000) $5,447 Avg Close $67.85 Range $56.24 - $75.39

Q3 2019

Shares 80,000 Value ($000) $5,929 Avg Close $77.47 Range $68.30 - $86.88

Q2 2019

Shares 80,000 Value ($000) $6,326 Avg Close $72.83 Range $65.49 - $82.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,153	$9,077	$177.21	$155.00 - $212.00
Q3 2025	60,224	$10,358	$158.94	$129.48 - $187.57
Q2 2025	68,475	$10,542	$129.23	$92.52 - $157.13
Q1 2025	75,040	$7,855	$105.91	$86.55 - $128.52
Q4 2024	74,416	$6,710	$78.57	$55.92 - $92.38
Q3 2024	70,580	$5,240	$79.65	$60.88 - $109.50
Q2 2024	69,911	$7,525	$102.15	$82.60 - $118.43
Q1 2024	68,455	$7,941	$112.42	$97.50 - $124.11
Q4 2023	76,837	$8,225	$87.15	$70.24 - $110.48
Q3 2023	53,250	$5,019	$101.67	$82.51 - $119.36
Q2 2023	47,169	$4,921	$120.06	$93.54 - $140.23
Q1 2023	48,554	$6,022	$108.45	$85.74 - $126.24
Q4 2022	54,443	$5,100	$108.84	$88.73 - $138.38
Q3 2022	56,252	$7,047	$144.39	$105.33 - $164.69
Q2 2022	58,056	$6,272	$132.47	$103.03 - $169.54
Q1 2022	60,500	$9,527	$128.41	$101.63 - $161.80
Q4 2021	60,500	$7,120	$91.74	$56.52 - $127.61
Q3 2021	60,500	$3,543	$52.99	$41.66 - $67.28
Q2 2021	60,500	$4,014	$79.24	$59.64 - $144.69
Q1 2021	62,800	$8,720	$179.22	$125.10 - $286.19
Q4 2020	61,900	$14,683	$227.91	$179.01 - $274.21
Q3 2020	68,000	$16,191	$176.91	$108.86 - $241.93
Q2 2020	80,000	$9,271	$110.25	$70.63 - $136.55
Q1 2020	80,000	$6,508	$82.93	$56.54 - $104.25
Q4 2019	80,000	$5,447	$67.85	$56.24 - $75.39
Q3 2019	80,000	$5,929	$77.47	$68.30 - $86.88
Q2 2019	80,000	$6,326	$72.83	$65.49 - $82.17