BOYD GAMING CORP

Ticker: BYD CUSIP: 103304101 Class: Common Stock

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

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

Q4 2025

Shares 58,507 Value ($000) $4,987 Avg Close $82.27 Range $76.17 - $88.30

Q3 2025

Shares 54,175 Value ($000) $4,683 Avg Close $83.67 Range $77.77 - $87.46

Q2 2025

Shares 54,172 Value ($000) $4,238 Avg Close $70.97 Range $58.55 - $78.71

Q1 2025

Shares 57,544 Value ($000) $3,788 Avg Close $72.70 Range $63.87 - $79.75

Q4 2024

Shares 64,005 Value ($000) $4,643 Avg Close $69.39 Range $61.38 - $75.84

Q3 2024

Shares 67,168 Value ($000) $4,342 Avg Close $58.21 Range $52.00 - $65.10

Q2 2024

Shares 69,848 Value ($000) $3,849 Avg Close $56.12 Range $48.48 - $67.27

Q1 2024

Shares 73,493 Value ($000) $4,948 Avg Close $62.50 Range $59.35 - $66.64

Q4 2023

Shares 78,817 Value ($000) $4,935 Avg Close $57.94 Range $51.23 - $62.28

Q3 2023

Shares 83,361 Value ($000) $5,071 Avg Close $64.96 Range $58.40 - $71.17

Q2 2023

Shares 91,896 Value ($000) $6,375 Avg Close $65.35 Range $60.16 - $69.73

Q1 2023

Shares 97,349 Value ($000) $6,242 Avg Close $60.10 Range $52.42 - $65.48

Q4 2022

Shares 100,385 Value ($000) $5,474 Avg Close $54.50 Range $46.00 - $59.81

Q3 2022

Shares 101,772 Value ($000) $4,849 Avg Close $51.66 Range $44.46 - $56.52

Q2 2022

Shares 106,505 Value ($000) $5,299 Avg Close $55.64 Range $45.83 - $65.44

Q1 2022

Shares 107,196 Value ($000) $7,051 Avg Close $62.37 Range $52.39 - $69.77

Q4 2021

Shares 116,267 Value ($000) $7,624 Avg Close $60.88 Range $54.16 - $66.42

Q3 2021

Shares 139,752 Value ($000) $8,841 Avg Close $56.88 Range $48.34 - $64.35

Q2 2021

Shares 140,391 Value ($000) $8,633 Avg Close $60.52 Range $55.00 - $68.12

Q1 2021

Shares 122,626 Value ($000) $7,230 Avg Close $52.16 Range $39.45 - $63.92

Q4 2020

Shares 122,978 Value ($000) $5,278 Avg Close $35.28 Range $28.79 - $42.03

Q3 2020

Shares 123,616 Value ($000) $3,794 Avg Close $24.10 Range $16.72 - $30.24

Q2 2020

Shares 122,771 Value ($000) $2,566 Avg Close $17.50 Range $10.45 - $24.68

Q1 2020

Shares 121,735 Value ($000) $1,755 Avg Close $24.58 Range $6.18 - $34.75

Q4 2019

Shares 123,109 Value ($000) $3,686 Avg Close $26.95 Range $22.28 - $29.63

Q3 2019

Shares 125,596 Value ($000) $3,008 Avg Close $24.14 Range $20.77 - $27.22

Q2 2019

Shares 124,095 Value ($000) $3,343 Avg Close $26.04 Range $21.66 - $29.99

Q1 2019

Shares 126,123 Value ($000) $3,451 Avg Close $25.96 Range $19.12 - $30.21

Q4 2018

Shares 128,927 Value ($000) $2,679 Avg Close $24.91 Range $17.98 - $32.92

Q3 2018

Shares 126,020 Value ($000) $4,266 Avg Close $33.79 Range $30.75 - $37.21

Q2 2018

Shares 126,064 Value ($000) $4,369 Avg Close $33.19 Range $28.93 - $36.63

Q1 2018

Shares 126,593 Value ($000) $4,033 Avg Close $33.73 Range $28.91 - $38.12

Q4 2017

Shares 131,030 Value ($000) $4,593 Avg Close $28.48 Range $23.93 - $33.85

Q3 2017

Shares 133,198 Value ($000) $3,470 Avg Close $24.32 Range $22.71 - $25.37

Q2 2017

Shares 147,249 Value ($000) $3,653 Avg Close $22.60 Range $19.97 - $24.57

Q1 2017

Shares 162,613 Value ($000) $3,579 Avg Close $19.05 Range $17.99 - $20.67

Q4 2016

Shares 170,213 Value ($000) $3,433 Avg Close $18.05 Range $15.72 - $20.23

Q3 2016

Shares 174,713 Value ($000) $3,456 Avg Close $18.02 Range $16.68 - $19.69

Q2 2016

Shares 173,113 Value ($000) $3,185 Avg Close $18.18 Range $16.29 - $20.09

Q1 2016

Shares 169,491 Value ($000) $3,502 Avg Close $16.59 Range $13.33 - $19.92

Q4 2015

Shares 147,850 Value ($000) $2,938 Avg Close $18.02 Range $15.22 - $19.88

Q3 2015

Shares 145,526 Value ($000) $2,372 Avg Close $15.53 Range $13.87 - $16.90

Q2 2015

Shares 145,726 Value ($000) $2,179 Avg Close $13.25 Range $12.08 - $14.55

Q1 2015

Shares 142,113 Value ($000) $2,018 Avg Close $12.89 Range $11.07 - $14.13

Q4 2014

Shares 143,813 Value ($000) $1,838 Avg Close $10.55 Range $8.23 - $12.25

Q3 2014

Shares 143,201 Value ($000) $1,455 Avg Close $10.16 Range $8.75 - $11.77

Q2 2014

Shares 141,588 Value ($000) $1,717 Avg Close $10.85 Range $9.63 - $12.77

Q1 2014

Shares 126,288 Value ($000) $1,667 Avg Close $10.85 Range $8.54 - $13.67

Q4 2013

Shares 125,788 Value ($000) $1,416 Avg Close $11.08 Range $9.14 - $13.83

Q3 2013

Shares 124,888 Value ($000) $1,767 Avg Close $11.51 Range $9.89 - $13.76

Q2 2013

Shares 98,579 Value ($000) $1,114 Avg Close $10.59 Range $7.35 - $13.60

Q1 2013

Shares 96,452 Value ($000) $798 Avg Close $6.57 Range $5.88 - $8.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58,507	$4,987	$82.27	$76.17 - $88.30
Q3 2025	54,175	$4,683	$83.67	$77.77 - $87.46
Q2 2025	54,172	$4,238	$70.97	$58.55 - $78.71
Q1 2025	57,544	$3,788	$72.70	$63.87 - $79.75
Q4 2024	64,005	$4,643	$69.39	$61.38 - $75.84
Q3 2024	67,168	$4,342	$58.21	$52.00 - $65.10
Q2 2024	69,848	$3,849	$56.12	$48.48 - $67.27
Q1 2024	73,493	$4,948	$62.50	$59.35 - $66.64
Q4 2023	78,817	$4,935	$57.94	$51.23 - $62.28
Q3 2023	83,361	$5,071	$64.96	$58.40 - $71.17
Q2 2023	91,896	$6,375	$65.35	$60.16 - $69.73
Q1 2023	97,349	$6,242	$60.10	$52.42 - $65.48
Q4 2022	100,385	$5,474	$54.50	$46.00 - $59.81
Q3 2022	101,772	$4,849	$51.66	$44.46 - $56.52
Q2 2022	106,505	$5,299	$55.64	$45.83 - $65.44
Q1 2022	107,196	$7,051	$62.37	$52.39 - $69.77
Q4 2021	116,267	$7,624	$60.88	$54.16 - $66.42
Q3 2021	139,752	$8,841	$56.88	$48.34 - $64.35
Q2 2021	140,391	$8,633	$60.52	$55.00 - $68.12
Q1 2021	122,626	$7,230	$52.16	$39.45 - $63.92
Q4 2020	122,978	$5,278	$35.28	$28.79 - $42.03
Q3 2020	123,616	$3,794	$24.10	$16.72 - $30.24
Q2 2020	122,771	$2,566	$17.50	$10.45 - $24.68
Q1 2020	121,735	$1,755	$24.58	$6.18 - $34.75
Q4 2019	123,109	$3,686	$26.95	$22.28 - $29.63
Q3 2019	125,596	$3,008	$24.14	$20.77 - $27.22
Q2 2019	124,095	$3,343	$26.04	$21.66 - $29.99
Q1 2019	126,123	$3,451	$25.96	$19.12 - $30.21
Q4 2018	128,927	$2,679	$24.91	$17.98 - $32.92
Q3 2018	126,020	$4,266	$33.79	$30.75 - $37.21
Q2 2018	126,064	$4,369	$33.19	$28.93 - $36.63
Q1 2018	126,593	$4,033	$33.73	$28.91 - $38.12
Q4 2017	131,030	$4,593	$28.48	$23.93 - $33.85
Q3 2017	133,198	$3,470	$24.32	$22.71 - $25.37
Q2 2017	147,249	$3,653	$22.60	$19.97 - $24.57
Q1 2017	162,613	$3,579	$19.05	$17.99 - $20.67
Q4 2016	170,213	$3,433	$18.05	$15.72 - $20.23
Q3 2016	174,713	$3,456	$18.02	$16.68 - $19.69
Q2 2016	173,113	$3,185	$18.18	$16.29 - $20.09
Q1 2016	169,491	$3,502	$16.59	$13.33 - $19.92
Q4 2015	147,850	$2,938	$18.02	$15.22 - $19.88
Q3 2015	145,526	$2,372	$15.53	$13.87 - $16.90
Q2 2015	145,726	$2,179	$13.25	$12.08 - $14.55
Q1 2015	142,113	$2,018	$12.89	$11.07 - $14.13
Q4 2014	143,813	$1,838	$10.55	$8.23 - $12.25
Q3 2014	143,201	$1,455	$10.16	$8.75 - $11.77
Q2 2014	141,588	$1,717	$10.85	$9.63 - $12.77
Q1 2014	126,288	$1,667	$10.85	$8.54 - $13.67
Q4 2013	125,788	$1,416	$11.08	$9.14 - $13.83
Q3 2013	124,888	$1,767	$11.51	$9.89 - $13.76
Q2 2013	98,579	$1,114	$10.59	$7.35 - $13.60
Q1 2013	96,452	$798	$6.57	$5.88 - $8.32