INTUITIVE SURGICAL INC

Ticker: ISRG CUSIP: 46120E602 Class: COM NEW

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q4 2025

Shares 76,841 Value ($000) $44 Avg Close $532.37 Range $427.84 - $583.45

Q3 2025

Shares 11,662 Value ($000) $5 Avg Close $479.87 Range $429.72 - $550.70

Q2 2025

Shares 10,150 Value ($000) $6 Avg Close $522.87 Range $425.00 - $568.69

Q4 2024

Shares 8,346 Value ($000) $4 Avg Close $520.85 Range $470.06 - $556.23

Q3 2024

Shares 7,181 Value ($000) $4 Avg Close $465.56 Range $413.82 - $496.18

Q1 2024

Shares 4,201 Value ($000) $2 Avg Close $377.87 Range $320.26 - $403.76

Q3 2023

Shares 10,568 Value ($000) $3 Avg Close $312.30 Range $282.50 - $358.07

Q2 2023

Shares 126,596 Value ($000) $43 Avg Close $302.56 Range $250.01 - $344.08

Q1 2023

Shares 76,596 Value ($000) $20 Avg Close $246.36 Range $222.65 - $273.58

Q4 2022

Shares 48,596 Value ($000) $13 Avg Close $243.83 Range $180.07 - $285.09

Q3 2022

Shares 48,596 Value ($000) $9,109 Avg Close $214.77 Range $184.94 - $245.36

Q2 2022

Shares 46,700 Value ($000) $9,373 Avg Close $234.60 Range $186.83 - $308.97

Q1 2022

Shares 68,700 Value ($000) $20,725 Avg Close $292.14 Range $254.20 - $362.00

Q4 2021

Shares 68,700 Value ($000) $24,684 Avg Close $344.06 Range $313.69 - $369.69

Q3 2021

Shares 22,900 Value ($000) $22,766 Avg Close $335.80 Range $305.50 - $362.34

Q2 2021

Shares 25,900 Value ($000) $23,819 Avg Close $280.54 Range $248.63 - $308.68

Q1 2021

Shares 11,900 Value ($000) $8,793 Avg Close $251.58 Range $227.47 - $275.28

Q4 2020

Shares 11,900 Value ($000) $9,735 Avg Close $248.30 Range $217.67 - $275.60

Q3 2020

Shares 11,900 Value ($000) $8,444 Avg Close $224.54 Range $188.74 - $259.61

Q2 2020

Shares 11,900 Value ($000) $6,781 Avg Close $179.26 Range $150.00 - $200.40

Q1 2020

Shares 11,900 Value ($000) $5,893 Avg Close $183.15 Range $120.17 - $206.33

Q4 2019

Shares 11,900 Value ($000) $7,035 Avg Close $187.24 Range $167.34 - $200.53

Q3 2019

Shares 11,900 Value ($000) $6,425 Avg Close $172.96 Range $160.67 - $183.00

Q2 2019

Shares 16,700 Value ($000) $8,760 Avg Close $171.34 Range $151.72 - $196.44

Q1 2019

Shares 17,700 Value ($000) $10,099 Avg Close $177.73 Range $148.82 - $193.08

Q4 2018

Shares 17,700 Value ($000) $8,477 Avg Close $169.46 Range $143.41 - $193.71

Q3 2018

Shares 17,300 Value ($000) $9,930 Avg Close $177.57 Range $157.27 - $191.80

Q2 2018

Shares 6,800 Value ($000) $3,254 Avg Close $152.50 Range $131.19 - $165.64

Q1 2018

Shares 6,800 Value ($000) $2,807 Avg Close $139.55 Range $121.70 - $150.67

Q4 2017

Shares 6,800 Value ($000) $2,482 Avg Close $125.15 Range $116.40 - $135.02

Q3 2017

Shares 2,400 Value ($000) $2,510 Avg Close $108.96 Range $102.29 - $117.20

Q2 2017

Shares 2,400 Value ($000) $2,245 Avg Close $96.11 Range $83.71 - $107.06

Q1 2017

Shares 2,400 Value ($000) $1,840 Avg Close $79.00 Range $69.41 - $85.59

Q4 2016

Shares 2,400 Value ($000) $1,522 Avg Close $73.52 Range $67.86 - $80.81

Q3 2016

Shares 2,400 Value ($000) $1,740 Avg Close $76.57 Range $73.23 - $80.79

Q2 2016

Shares 2,400 Value ($000) $1,587 Avg Close $70.37 Range $65.67 - $73.72

Q1 2016

Shares 2,600 Value ($000) $1,563 Avg Close $61.97 Range $55.78 - $67.53

Q4 2015

Shares 1,600 Value ($000) $874 Avg Close $56.16 Range $49.67 - $61.84

Q3 2015

Shares 1,800 Value ($000) $827 Avg Close $56.64 Range $50.07 - $62.76

Q2 2015

Shares 2,800 Value ($000) $1,357 Avg Close $55.94 Range $53.34 - $62.12

Q1 2015

Shares 2,800 Value ($000) $1,414 Avg Close $56.60 Range $54.07 - $59.79

Q4 2014

Shares 2,800 Value ($000) $1,481 Avg Close $55.69 Range $49.93 - $59.87

Q3 2014

Shares 2,800 Value ($000) $1,293 Avg Close $49.65 Range $41.78 - $53.67

Q2 2014

Shares 3,000 Value ($000) $1,235 Avg Close $44.11 Range $38.50 - $60.14

Q1 2014

Shares 4,000 Value ($000) $1,752 Avg Close $47.10 Range $41.11 - $51.39

Q4 2013

Shares 18,200 Value ($000) $6,990 Avg Close $42.08 Range $39.02 - $45.43

Q3 2013

Shares 18,200 Value ($000) $6,848 Avg Close $44.16 Range $39.67 - $56.58

Q2 2013

Shares 20,600 Value ($000) $10,436 Avg Close $55.09 Range $51.68 - $57.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	76,841	$44	$532.37	$427.84 - $583.45
Q3 2025	11,662	$5	$479.87	$429.72 - $550.70
Q2 2025	10,150	$6	$522.87	$425.00 - $568.69
Q4 2024	8,346	$4	$520.85	$470.06 - $556.23
Q3 2024	7,181	$4	$465.56	$413.82 - $496.18
Q1 2024	4,201	$2	$377.87	$320.26 - $403.76
Q3 2023	10,568	$3	$312.30	$282.50 - $358.07
Q2 2023	126,596	$43	$302.56	$250.01 - $344.08
Q1 2023	76,596	$20	$246.36	$222.65 - $273.58
Q4 2022	48,596	$13	$243.83	$180.07 - $285.09
Q3 2022	48,596	$9,109	$214.77	$184.94 - $245.36
Q2 2022	46,700	$9,373	$234.60	$186.83 - $308.97
Q1 2022	68,700	$20,725	$292.14	$254.20 - $362.00
Q4 2021	68,700	$24,684	$344.06	$313.69 - $369.69
Q3 2021	22,900	$22,766	$335.80	$305.50 - $362.34
Q2 2021	25,900	$23,819	$280.54	$248.63 - $308.68
Q1 2021	11,900	$8,793	$251.58	$227.47 - $275.28
Q4 2020	11,900	$9,735	$248.30	$217.67 - $275.60
Q3 2020	11,900	$8,444	$224.54	$188.74 - $259.61
Q2 2020	11,900	$6,781	$179.26	$150.00 - $200.40
Q1 2020	11,900	$5,893	$183.15	$120.17 - $206.33
Q4 2019	11,900	$7,035	$187.24	$167.34 - $200.53
Q3 2019	11,900	$6,425	$172.96	$160.67 - $183.00
Q2 2019	16,700	$8,760	$171.34	$151.72 - $196.44
Q1 2019	17,700	$10,099	$177.73	$148.82 - $193.08
Q4 2018	17,700	$8,477	$169.46	$143.41 - $193.71
Q3 2018	17,300	$9,930	$177.57	$157.27 - $191.80
Q2 2018	6,800	$3,254	$152.50	$131.19 - $165.64
Q1 2018	6,800	$2,807	$139.55	$121.70 - $150.67
Q4 2017	6,800	$2,482	$125.15	$116.40 - $135.02
Q3 2017	2,400	$2,510	$108.96	$102.29 - $117.20
Q2 2017	2,400	$2,245	$96.11	$83.71 - $107.06
Q1 2017	2,400	$1,840	$79.00	$69.41 - $85.59
Q4 2016	2,400	$1,522	$73.52	$67.86 - $80.81
Q3 2016	2,400	$1,740	$76.57	$73.23 - $80.79
Q2 2016	2,400	$1,587	$70.37	$65.67 - $73.72
Q1 2016	2,600	$1,563	$61.97	$55.78 - $67.53
Q4 2015	1,600	$874	$56.16	$49.67 - $61.84
Q3 2015	1,800	$827	$56.64	$50.07 - $62.76
Q2 2015	2,800	$1,357	$55.94	$53.34 - $62.12
Q1 2015	2,800	$1,414	$56.60	$54.07 - $59.79
Q4 2014	2,800	$1,481	$55.69	$49.93 - $59.87
Q3 2014	2,800	$1,293	$49.65	$41.78 - $53.67
Q2 2014	3,000	$1,235	$44.11	$38.50 - $60.14
Q1 2014	4,000	$1,752	$47.10	$41.11 - $51.39
Q4 2013	18,200	$6,990	$42.08	$39.02 - $45.43
Q3 2013	18,200	$6,848	$44.16	$39.67 - $56.58
Q2 2013	20,600	$10,436	$55.09	$51.68 - $57.34