PENUMBRA INC

Ticker: PEN CUSIP: 70975L107 Class: EQTY

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 35,187 Value ($000) $10,940 Avg Close $276.19 Range $221.26 - $321.38

Q3 2025

Shares 34,793 Value ($000) $8,814 Avg Close $252.23 Range $225.48 - $288.91

Q2 2025

Shares 34,165 Value ($000) $8,768 Avg Close $272.19 Range $246.45 - $308.99

Q1 2025

Shares 34,135 Value ($000) $9,128 Avg Close $270.50 Range $222.59 - $310.00

Q4 2024

Shares 34,527 Value ($000) $8,199 Avg Close $227.37 Range $186.97 - $259.27

Q3 2024

Shares 34,859 Value ($000) $6,773 Avg Close $188.96 Range $148.00 - $211.19

Q2 2024

Shares 35,905 Value ($000) $6,462 Avg Close $199.64 Range $170.59 - $226.27

Q1 2024

Shares 36,668 Value ($000) $8,184 Avg Close $247.22 Range $217.37 - $277.34

Q4 2023

Shares 38,609 Value ($000) $9,712 Avg Close $221.05 Range $180.93 - $262.77

Q3 2023

Shares 40,212 Value ($000) $9,728 Avg Close $277.67 Range $239.87 - $344.04

Q2 2023

Shares 44,090 Value ($000) $15,170 Avg Close $307.06 Range $266.55 - $348.67

Q1 2023

Shares 45,044 Value ($000) $12,553 Avg Close $255.26 Range $218.55 - $283.42

Q4 2022

Shares 45,645 Value ($000) $10,154 Avg Close $195.51 Range $144.76 - $233.26

Q3 2022

Shares 44,998 Value ($000) $8,532 Avg Close $160.46 Range $118.65 - $211.48

Q2 2022

Shares 45,808 Value ($000) $5,704 Avg Close $158.67 Range $114.86 - $229.44

Q1 2022

Shares 45,112 Value ($000) $10,021 Avg Close $222.19 Range $186.19 - $287.53

Q4 2021

Shares 48,346 Value ($000) $13,891 Avg Close $264.38 Range $235.14 - $290.36

Q3 2021

Shares 57,824 Value ($000) $15,410 Avg Close $268.79 Range $243.79 - $293.19

Q2 2021

Shares 62,094 Value ($000) $17,017 Avg Close $272.91 Range $232.29 - $320.00

Q1 2021

Shares 62,358 Value ($000) $16,873 Avg Close $258.13 Range $171.56 - $314.22

Q4 2020

Shares 62,701 Value ($000) $10,973 Avg Close $219.06 Range $163.49 - $277.00

Q3 2020

Shares 61,390 Value ($000) $11,933 Avg Close $210.34 Range $178.64 - $241.81

Q2 2020

Shares 57,643 Value ($000) $10,308 Avg Close $173.55 Range $149.23 - $193.21

Q1 2020

Shares 53,360 Value ($000) $8,609 Avg Close $168.48 Range $121.80 - $194.93

Q4 2019

Shares 54,766 Value ($000) $8,996 Avg Close $159.06 Range $130.80 - $178.74

Q3 2019

Shares 50,621 Value ($000) $6,808 Avg Close $154.70 Range $130.66 - $185.70

Q2 2019

Shares 50,018 Value ($000) $8,003 Avg Close $144.42 Range $122.40 - $170.00

Q1 2019

Shares 48,478 Value ($000) $7,127 Avg Close $142.94 Range $115.55 - $162.50

Q4 2018

Shares 48,232 Value ($000) $5,894 Avg Close $133.93 Range $110.84 - $160.50

Q3 2018

Shares 47,145 Value ($000) $7,058 Avg Close $140.07 Range $118.60 - $158.70

Q2 2018

Shares 47,161 Value ($000) $6,515 Avg Close $142.36 Range $111.15 - $167.35

Q1 2018

Shares 44,647 Value ($000) $5,163 Avg Close $103.27 Range $82.55 - $127.40

Q4 2017

Shares 46,213 Value ($000) $4,349 Avg Close $99.19 Range $89.90 - $116.35

Q3 2017

Shares 46,940 Value ($000) $4,239 Avg Close $86.15 Range $77.75 - $90.50

Q2 2017

Shares 51,978 Value ($000) $4,561 Avg Close $84.93 Range $78.45 - $91.00

Q1 2017

Shares 54,683 Value ($000) $4,563 Avg Close $75.69 Range $63.05 - $84.85

Q4 2016

Shares 52,483 Value ($000) $3,348 Avg Close $66.85 Range $56.05 - $75.57

Q3 2016

Shares 53,883 Value ($000) $4,095 Avg Close $69.00 Range $58.45 - $79.49

Q2 2016

Shares 53,383 Value ($000) $3,176 Avg Close $53.88 Range $45.00 - $61.60

Q1 2016

Shares 9,699 Value ($000) $446 Avg Close $46.73 Range $40.23 - $57.37

Q4 2015

Shares 8,500 Value ($000) $457 Avg Close $45.30 Range $35.31 - $59.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,187	$10,940	$276.19	$221.26 - $321.38
Q3 2025	34,793	$8,814	$252.23	$225.48 - $288.91
Q2 2025	34,165	$8,768	$272.19	$246.45 - $308.99
Q1 2025	34,135	$9,128	$270.50	$222.59 - $310.00
Q4 2024	34,527	$8,199	$227.37	$186.97 - $259.27
Q3 2024	34,859	$6,773	$188.96	$148.00 - $211.19
Q2 2024	35,905	$6,462	$199.64	$170.59 - $226.27
Q1 2024	36,668	$8,184	$247.22	$217.37 - $277.34
Q4 2023	38,609	$9,712	$221.05	$180.93 - $262.77
Q3 2023	40,212	$9,728	$277.67	$239.87 - $344.04
Q2 2023	44,090	$15,170	$307.06	$266.55 - $348.67
Q1 2023	45,044	$12,553	$255.26	$218.55 - $283.42
Q4 2022	45,645	$10,154	$195.51	$144.76 - $233.26
Q3 2022	44,998	$8,532	$160.46	$118.65 - $211.48
Q2 2022	45,808	$5,704	$158.67	$114.86 - $229.44
Q1 2022	45,112	$10,021	$222.19	$186.19 - $287.53
Q4 2021	48,346	$13,891	$264.38	$235.14 - $290.36
Q3 2021	57,824	$15,410	$268.79	$243.79 - $293.19
Q2 2021	62,094	$17,017	$272.91	$232.29 - $320.00
Q1 2021	62,358	$16,873	$258.13	$171.56 - $314.22
Q4 2020	62,701	$10,973	$219.06	$163.49 - $277.00
Q3 2020	61,390	$11,933	$210.34	$178.64 - $241.81
Q2 2020	57,643	$10,308	$173.55	$149.23 - $193.21
Q1 2020	53,360	$8,609	$168.48	$121.80 - $194.93
Q4 2019	54,766	$8,996	$159.06	$130.80 - $178.74
Q3 2019	50,621	$6,808	$154.70	$130.66 - $185.70
Q2 2019	50,018	$8,003	$144.42	$122.40 - $170.00
Q1 2019	48,478	$7,127	$142.94	$115.55 - $162.50
Q4 2018	48,232	$5,894	$133.93	$110.84 - $160.50
Q3 2018	47,145	$7,058	$140.07	$118.60 - $158.70
Q2 2018	47,161	$6,515	$142.36	$111.15 - $167.35
Q1 2018	44,647	$5,163	$103.27	$82.55 - $127.40
Q4 2017	46,213	$4,349	$99.19	$89.90 - $116.35
Q3 2017	46,940	$4,239	$86.15	$77.75 - $90.50
Q2 2017	51,978	$4,561	$84.93	$78.45 - $91.00
Q1 2017	54,683	$4,563	$75.69	$63.05 - $84.85
Q4 2016	52,483	$3,348	$66.85	$56.05 - $75.57
Q3 2016	53,883	$4,095	$69.00	$58.45 - $79.49
Q2 2016	53,383	$3,176	$53.88	$45.00 - $61.60
Q1 2016	9,699	$446	$46.73	$40.23 - $57.37
Q4 2015	8,500	$457	$45.30	$35.31 - $59.36