KNOWLES CORP

Ticker: KN CUSIP: 49926D109 Class: EQTY

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

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

Q4 2025

Shares 83,957 Value ($000) $1,799 Avg Close $22.79 Range $20.57 - $24.54

Q3 2025

Shares 81,606 Value ($000) $1,902 Avg Close $20.48 Range $17.34 - $23.58

Q2 2025

Shares 81,602 Value ($000) $1,438 Avg Close $16.14 Range $12.19 - $18.09

Q1 2025

Shares 82,598 Value ($000) $1,255 Avg Close $17.90 Range $14.95 - $20.86

Q4 2024

Shares 82,598 Value ($000) $1,646 Avg Close $18.61 Range $16.93 - $20.49

Q3 2024

Shares 84,692 Value ($000) $1,527 Avg Close $17.72 Range $15.91 - $19.73

Q2 2024

Shares 87,429 Value ($000) $1,509 Avg Close $16.79 Range $15.13 - $18.36

Q1 2024

Shares 90,109 Value ($000) $1,451 Avg Close $16.38 Range $14.97 - $17.81

Q4 2023

Shares 95,916 Value ($000) $1,718 Avg Close $15.54 Range $12.78 - $18.48

Q3 2023

Shares 100,591 Value ($000) $1,490 Avg Close $16.39 Range $14.02 - $18.46

Q2 2023

Shares 110,309 Value ($000) $1,992 Avg Close $16.82 Range $15.35 - $18.20

Q1 2023

Shares 113,234 Value ($000) $1,925 Avg Close $17.45 Range $15.53 - $20.25

Q4 2022

Shares 115,448 Value ($000) $1,896 Avg Close $14.52 Range $11.57 - $17.23

Q3 2022

Shares 114,425 Value ($000) $1,393 Avg Close $16.03 Range $12.05 - $19.86

Q2 2022

Shares 116,505 Value ($000) $2,019 Avg Close $18.79 Range $16.80 - $21.57

Q1 2022

Shares 115,755 Value ($000) $2,492 Avg Close $21.88 Range $20.63 - $23.81

Q4 2021

Shares 125,770 Value ($000) $2,937 Avg Close $21.11 Range $18.33 - $23.47

Q3 2021

Shares 124,426 Value ($000) $2,332 Avg Close $19.56 Range $18.20 - $20.52

Q2 2021

Shares 122,690 Value ($000) $2,422 Avg Close $20.38 Range $18.75 - $22.11

Q1 2021

Shares 133,600 Value ($000) $2,795 Avg Close $20.35 Range $17.89 - $21.88

Q4 2020

Shares 134,126 Value ($000) $2,472 Avg Close $16.72 Range $14.03 - $18.61

Q3 2020

Shares 133,544 Value ($000) $1,990 Avg Close $15.16 Range $14.11 - $16.20

Q2 2020

Shares 133,544 Value ($000) $2,038 Avg Close $14.91 Range $12.55 - $17.05

Q1 2020

Shares 122,877 Value ($000) $1,644 Avg Close $17.38 Range $11.10 - $22.20

Q4 2019

Shares 124,264 Value ($000) $2,628 Avg Close $21.48 Range $19.46 - $22.79

Q3 2019

Shares 128,224 Value ($000) $2,608 Avg Close $19.61 Range $17.04 - $21.42

Q2 2019

Shares 125,260 Value ($000) $2,294 Avg Close $17.64 Range $15.47 - $19.43

Q1 2019

Shares 133,807 Value ($000) $2,359 Avg Close $15.47 Range $12.20 - $17.66

Q4 2018

Shares 136,782 Value ($000) $1,821 Avg Close $14.65 Range $12.43 - $16.75

Q3 2018

Shares 133,698 Value ($000) $2,222 Avg Close $16.83 Range $15.14 - $18.32

Q2 2018

Shares 133,745 Value ($000) $2,046 Avg Close $13.80 Range $10.95 - $16.04

Q1 2018

Shares 134,278 Value ($000) $1,691 Avg Close $14.57 Range $12.26 - $16.63

Q4 2017

Shares 139,012 Value ($000) $2,038 Avg Close $15.63 Range $14.27 - $16.98

Q3 2017

Shares 141,096 Value ($000) $2,155 Avg Close $15.36 Range $14.11 - $17.15

Q2 2017

Shares 156,206 Value ($000) $2,643 Avg Close $17.99 Range $16.73 - $19.90

Q1 2017

Shares 173,890 Value ($000) $3,295 Avg Close $18.28 Range $16.06 - $19.82

Q4 2016

Shares 182,090 Value ($000) $3,043 Avg Close $15.60 Range $13.80 - $17.49

Q3 2016

Shares 186,890 Value ($000) $2,626 Avg Close $14.16 Range $12.57 - $16.37

Q2 2016

Shares 185,190 Value ($000) $2,533 Avg Close $13.77 Range $12.06 - $17.10

Q1 2016

Shares 185,438 Value ($000) $2,444 Avg Close $12.31 Range $9.68 - $14.74

Q4 2015

Shares 161,780 Value ($000) $2,157 Avg Close $17.06 Range $12.74 - $22.33

Q3 2015

Shares 159,186 Value ($000) $2,934 Avg Close $17.10 Range $13.31 - $19.60

Q2 2015

Shares 155,444 Value ($000) $2,814 Avg Close $19.39 Range $17.67 - $21.98

Q1 2015

Shares 160,684 Value ($000) $3,096 Avg Close $20.85 Range $17.09 - $24.97

Q4 2014

Shares 163,434 Value ($000) $3,849 Avg Close $20.69 Range $17.23 - $26.38

Q3 2014

Shares 161,941 Value ($000) $4,291 Avg Close $30.52 Range $25.62 - $33.82

Q2 2014

Shares 155,219 Value ($000) $4,771 Avg Close $30.24 Range $27.55 - $32.61

Q1 2014

Shares 155,619 Value ($000) $4,913 Avg Close $30.49 Range $27.58 - $33.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,957	$1,799	$22.79	$20.57 - $24.54
Q3 2025	81,606	$1,902	$20.48	$17.34 - $23.58
Q2 2025	81,602	$1,438	$16.14	$12.19 - $18.09
Q1 2025	82,598	$1,255	$17.90	$14.95 - $20.86
Q4 2024	82,598	$1,646	$18.61	$16.93 - $20.49
Q3 2024	84,692	$1,527	$17.72	$15.91 - $19.73
Q2 2024	87,429	$1,509	$16.79	$15.13 - $18.36
Q1 2024	90,109	$1,451	$16.38	$14.97 - $17.81
Q4 2023	95,916	$1,718	$15.54	$12.78 - $18.48
Q3 2023	100,591	$1,490	$16.39	$14.02 - $18.46
Q2 2023	110,309	$1,992	$16.82	$15.35 - $18.20
Q1 2023	113,234	$1,925	$17.45	$15.53 - $20.25
Q4 2022	115,448	$1,896	$14.52	$11.57 - $17.23
Q3 2022	114,425	$1,393	$16.03	$12.05 - $19.86
Q2 2022	116,505	$2,019	$18.79	$16.80 - $21.57
Q1 2022	115,755	$2,492	$21.88	$20.63 - $23.81
Q4 2021	125,770	$2,937	$21.11	$18.33 - $23.47
Q3 2021	124,426	$2,332	$19.56	$18.20 - $20.52
Q2 2021	122,690	$2,422	$20.38	$18.75 - $22.11
Q1 2021	133,600	$2,795	$20.35	$17.89 - $21.88
Q4 2020	134,126	$2,472	$16.72	$14.03 - $18.61
Q3 2020	133,544	$1,990	$15.16	$14.11 - $16.20
Q2 2020	133,544	$2,038	$14.91	$12.55 - $17.05
Q1 2020	122,877	$1,644	$17.38	$11.10 - $22.20
Q4 2019	124,264	$2,628	$21.48	$19.46 - $22.79
Q3 2019	128,224	$2,608	$19.61	$17.04 - $21.42
Q2 2019	125,260	$2,294	$17.64	$15.47 - $19.43
Q1 2019	133,807	$2,359	$15.47	$12.20 - $17.66
Q4 2018	136,782	$1,821	$14.65	$12.43 - $16.75
Q3 2018	133,698	$2,222	$16.83	$15.14 - $18.32
Q2 2018	133,745	$2,046	$13.80	$10.95 - $16.04
Q1 2018	134,278	$1,691	$14.57	$12.26 - $16.63
Q4 2017	139,012	$2,038	$15.63	$14.27 - $16.98
Q3 2017	141,096	$2,155	$15.36	$14.11 - $17.15
Q2 2017	156,206	$2,643	$17.99	$16.73 - $19.90
Q1 2017	173,890	$3,295	$18.28	$16.06 - $19.82
Q4 2016	182,090	$3,043	$15.60	$13.80 - $17.49
Q3 2016	186,890	$2,626	$14.16	$12.57 - $16.37
Q2 2016	185,190	$2,533	$13.77	$12.06 - $17.10
Q1 2016	185,438	$2,444	$12.31	$9.68 - $14.74
Q4 2015	161,780	$2,157	$17.06	$12.74 - $22.33
Q3 2015	159,186	$2,934	$17.10	$13.31 - $19.60
Q2 2015	155,444	$2,814	$19.39	$17.67 - $21.98
Q1 2015	160,684	$3,096	$20.85	$17.09 - $24.97
Q4 2014	163,434	$3,849	$20.69	$17.23 - $26.38
Q3 2014	161,941	$4,291	$30.52	$25.62 - $33.82
Q2 2014	155,219	$4,771	$30.24	$27.55 - $32.61
Q1 2014	155,619	$4,913	$30.49	$27.58 - $33.66