WD-40 CO

Ticker: WDFC CUSIP: 929236107 Class: EQTY

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

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

Q4 2025

Shares 12,796 Value ($000) $2,520 Avg Close $195.95 Range $185.27 - $213.93

Q3 2025

Shares 12,526 Value ($000) $2,475 Avg Close $214.35 Range $192.63 - $234.01

Q2 2025

Shares 12,525 Value ($000) $2,857 Avg Close $231.83 Range $204.21 - $248.86

Q1 2025

Shares 12,494 Value ($000) $3,049 Avg Close $231.88 Range $216.42 - $248.13

Q4 2024

Shares 12,673 Value ($000) $3,075 Avg Close $260.26 Range $234.68 - $285.86

Q3 2024

Shares 12,822 Value ($000) $3,307 Avg Close $244.28 Range $204.93 - $265.55

Q2 2024

Shares 13,226 Value ($000) $2,905 Avg Close $224.34 Range $208.03 - $254.26

Q1 2024

Shares 13,559 Value ($000) $3,435 Avg Close $250.16 Range $223.34 - $268.83

Q4 2023

Shares 14,335 Value ($000) $3,427 Avg Close $215.12 Range $187.17 - $236.99

Q3 2023

Shares 14,992 Value ($000) $3,047 Avg Close $205.31 Range $174.98 - $224.57

Q2 2023

Shares 16,463 Value ($000) $3,106 Avg Close $180.66 Range $156.02 - $195.43

Q1 2023

Shares 17,013 Value ($000) $3,029 Avg Close $164.32 Range $150.31 - $178.03

Q4 2022

Shares 17,312 Value ($000) $2,791 Avg Close $157.96 Range $137.57 - $175.84

Q3 2022

Shares 17,150 Value ($000) $3,014 Avg Close $176.10 Range $154.02 - $197.78

Q2 2022

Shares 17,540 Value ($000) $3,532 Avg Close $175.17 Range $159.39 - $195.33

Q1 2022

Shares 17,484 Value ($000) $3,204 Avg Close $199.68 Range $170.30 - $238.75

Q4 2021

Shares 19,001 Value ($000) $4,648 Avg Close $216.94 Range $193.07 - $237.92

Q3 2021

Shares 18,623 Value ($000) $4,311 Avg Close $222.82 Range $206.21 - $259.43

Q2 2021

Shares 18,831 Value ($000) $4,826 Avg Close $236.72 Range $219.93 - $296.99

Q1 2021

Shares 20,569 Value ($000) $6,298 Avg Close $280.17 Range $234.79 - $308.09

Q4 2020

Shares 20,649 Value ($000) $5,486 Avg Close $223.09 Range $168.63 - $251.28

Q3 2020

Shares 20,649 Value ($000) $3,909 Avg Close $180.27 Range $168.83 - $190.61

Q2 2020

Shares 20,567 Value ($000) $4,078 Avg Close $166.00 Range $137.84 - $184.59

Q1 2020

Shares 20,888 Value ($000) $4,195 Avg Close $171.62 Range $149.78 - $193.03

Q4 2019

Shares 20,991 Value ($000) $4,075 Avg Close $171.13 Range $156.79 - $181.26

Q3 2019

Shares 21,415 Value ($000) $3,931 Avg Close $162.75 Range $142.61 - $170.51

Q2 2019

Shares 21,160 Value ($000) $3,365 Avg Close $147.91 Range $138.90 - $155.99

Q1 2019

Shares 20,898 Value ($000) $3,541 Avg Close $158.33 Range $147.89 - $165.74

Q4 2018

Shares 21,363 Value ($000) $3,915 Avg Close $151.67 Range $133.41 - $168.03

Q3 2018

Shares 20,820 Value ($000) $3,583 Avg Close $149.30 Range $128.21 - $164.55

Q2 2018

Shares 20,888 Value ($000) $3,055 Avg Close $122.47 Range $111.43 - $134.71

Q1 2018

Shares 21,050 Value ($000) $2,772 Avg Close $111.74 Range $102.00 - $119.19

Q4 2017

Shares 21,788 Value ($000) $2,571 Avg Close $101.18 Range $93.65 - $108.26

Q3 2017

Shares 22,106 Value ($000) $2,474 Avg Close $94.77 Range $91.23 - $99.57

Q2 2017

Shares 24,532 Value ($000) $2,707 Avg Close $93.06 Range $88.02 - $99.83

Q1 2017

Shares 27,732 Value ($000) $3,021 Avg Close $94.70 Range $87.23 - $103.92

Q4 2016

Shares 29,032 Value ($000) $3,394 Avg Close $95.11 Range $87.84 - $101.71

Q3 2016

Shares 29,832 Value ($000) $3,354 Avg Close $100.86 Range $95.26 - $107.55

Q2 2016

Shares 29,632 Value ($000) $3,480 Avg Close $93.26 Range $85.10 - $101.68

Q1 2016

Shares 30,913 Value ($000) $3,339 Avg Close $88.52 Range $80.20 - $94.25

Q4 2015

Shares 27,005 Value ($000) $2,664 Avg Close $82.77 Range $74.64 - $89.58

Q3 2015

Shares 26,605 Value ($000) $2,370 Avg Close $74.03 Range $68.72 - $78.00

Q2 2015

Shares 26,605 Value ($000) $2,319 Avg Close $71.61 Range $67.82 - $75.37

Q1 2015

Shares 27,390 Value ($000) $2,425 Avg Close $70.77 Range $67.38 - $75.28

Q4 2014

Shares 27,790 Value ($000) $2,364 Avg Close $63.74 Range $54.66 - $73.03

Q3 2014

Shares 27,672 Value ($000) $1,881 Avg Close $57.88 Range $55.12 - $63.95

Q2 2014

Shares 27,315 Value ($000) $2,055 Avg Close $60.75 Range $57.96 - $65.23

Q1 2014

Shares 28,115 Value ($000) $2,181 Avg Close $60.19 Range $55.20 - $64.51

Q4 2013

Shares 28,015 Value ($000) $2,092 Avg Close $58.73 Range $49.78 - $65.29

Q3 2013

Shares 27,815 Value ($000) $1,805 Avg Close $48.79 Range $44.37 - $53.55

Q2 2013

Shares 26,954 Value ($000) $1,468 Avg Close $44.73 Range $41.57 - $47.16

Q1 2013

Shares 27,659 Value ($000) $1,515 Avg Close $43.05 Range $38.08 - $44.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,796	$2,520	$195.95	$185.27 - $213.93
Q3 2025	12,526	$2,475	$214.35	$192.63 - $234.01
Q2 2025	12,525	$2,857	$231.83	$204.21 - $248.86
Q1 2025	12,494	$3,049	$231.88	$216.42 - $248.13
Q4 2024	12,673	$3,075	$260.26	$234.68 - $285.86
Q3 2024	12,822	$3,307	$244.28	$204.93 - $265.55
Q2 2024	13,226	$2,905	$224.34	$208.03 - $254.26
Q1 2024	13,559	$3,435	$250.16	$223.34 - $268.83
Q4 2023	14,335	$3,427	$215.12	$187.17 - $236.99
Q3 2023	14,992	$3,047	$205.31	$174.98 - $224.57
Q2 2023	16,463	$3,106	$180.66	$156.02 - $195.43
Q1 2023	17,013	$3,029	$164.32	$150.31 - $178.03
Q4 2022	17,312	$2,791	$157.96	$137.57 - $175.84
Q3 2022	17,150	$3,014	$176.10	$154.02 - $197.78
Q2 2022	17,540	$3,532	$175.17	$159.39 - $195.33
Q1 2022	17,484	$3,204	$199.68	$170.30 - $238.75
Q4 2021	19,001	$4,648	$216.94	$193.07 - $237.92
Q3 2021	18,623	$4,311	$222.82	$206.21 - $259.43
Q2 2021	18,831	$4,826	$236.72	$219.93 - $296.99
Q1 2021	20,569	$6,298	$280.17	$234.79 - $308.09
Q4 2020	20,649	$5,486	$223.09	$168.63 - $251.28
Q3 2020	20,649	$3,909	$180.27	$168.83 - $190.61
Q2 2020	20,567	$4,078	$166.00	$137.84 - $184.59
Q1 2020	20,888	$4,195	$171.62	$149.78 - $193.03
Q4 2019	20,991	$4,075	$171.13	$156.79 - $181.26
Q3 2019	21,415	$3,931	$162.75	$142.61 - $170.51
Q2 2019	21,160	$3,365	$147.91	$138.90 - $155.99
Q1 2019	20,898	$3,541	$158.33	$147.89 - $165.74
Q4 2018	21,363	$3,915	$151.67	$133.41 - $168.03
Q3 2018	20,820	$3,583	$149.30	$128.21 - $164.55
Q2 2018	20,888	$3,055	$122.47	$111.43 - $134.71
Q1 2018	21,050	$2,772	$111.74	$102.00 - $119.19
Q4 2017	21,788	$2,571	$101.18	$93.65 - $108.26
Q3 2017	22,106	$2,474	$94.77	$91.23 - $99.57
Q2 2017	24,532	$2,707	$93.06	$88.02 - $99.83
Q1 2017	27,732	$3,021	$94.70	$87.23 - $103.92
Q4 2016	29,032	$3,394	$95.11	$87.84 - $101.71
Q3 2016	29,832	$3,354	$100.86	$95.26 - $107.55
Q2 2016	29,632	$3,480	$93.26	$85.10 - $101.68
Q1 2016	30,913	$3,339	$88.52	$80.20 - $94.25
Q4 2015	27,005	$2,664	$82.77	$74.64 - $89.58
Q3 2015	26,605	$2,370	$74.03	$68.72 - $78.00
Q2 2015	26,605	$2,319	$71.61	$67.82 - $75.37
Q1 2015	27,390	$2,425	$70.77	$67.38 - $75.28
Q4 2014	27,790	$2,364	$63.74	$54.66 - $73.03
Q3 2014	27,672	$1,881	$57.88	$55.12 - $63.95
Q2 2014	27,315	$2,055	$60.75	$57.96 - $65.23
Q1 2014	28,115	$2,181	$60.19	$55.20 - $64.51
Q4 2013	28,015	$2,092	$58.73	$49.78 - $65.29
Q3 2013	27,815	$1,805	$48.79	$44.37 - $53.55
Q2 2013	26,954	$1,468	$44.73	$41.57 - $47.16
Q1 2013	27,659	$1,515	$43.05	$38.08 - $44.83