BERKLEY W R CORP

Ticker: WRB CUSIP: 084423102 Class: COM

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

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

Q4 2025

Shares 383,530 Value ($000) $26,893 Avg Close $72.74 Range $64.36 - $77.72

Q3 2025

Shares 374,759 Value ($000) $28,714 Avg Close $70.00 Range $65.55 - $75.76

Q2 2025

Shares 399,516 Value ($000) $29,352 Avg Close $69.95 Range $61.08 - $73.57

Q1 2025

Shares 426,125 Value ($000) $30,323 Avg Close $59.72 Range $54.51 - $74.49

Q4 2024

Shares 413,013 Value ($000) $24,170 Avg Close $57.87 Range $54.03 - $63.18

Q3 2024

Shares 430,583 Value ($000) $24,427 Avg Close $53.88 Range $49.31 - $58.78

Q2 2024

Shares 297,400 Value ($000) $23,370 Avg Close $51.01 Range $48.28 - $56.07

Q1 2024

Shares 314,254 Value ($000) $27,793 Avg Close $51.43 Range $44.84 - $56.59

Q4 2023

Shares 315,072 Value ($000) $22,282 Avg Close $43.01 Range $38.99 - $46.59

Q3 2023

Shares 320,449 Value ($000) $20,345 Avg Close $38.71 Range $35.97 - $41.14

Q2 2023

Shares 345,100 Value ($000) $20,554 Avg Close $36.64 Range $34.48 - $39.64

Q1 2023

Shares 348,188 Value ($000) $21,678 Avg Close $41.60 Range $36.60 - $46.85

Q4 2022

Shares 351,382 Value ($000) $25,500 Avg Close $44.51 Range $39.51 - $47.36

Q3 2022

Shares 348,256 Value ($000) $22,490 Avg Close $40.00 Range $37.40 - $42.70

Q2 2022

Shares 352,047 Value ($000) $24,031 Avg Close $41.54 Range $39.62 - $44.01

Q1 2022

Shares 342,852 Value ($000) $22,830 Avg Close $36.37 Range $32.41 - $41.10

Q4 2021

Shares 243,952 Value ($000) $20,099 Avg Close $31.99 Range $28.90 - $33.91

Q3 2021

Shares 241,521 Value ($000) $17,675 Avg Close $29.58 Range $28.23 - $30.95

Q2 2021

Shares 241,563 Value ($000) $17,980 Avg Close $30.80 Range $28.73 - $32.57

Q1 2021

Shares 250,687 Value ($000) $18,889 Avg Close $27.39 Range $24.26 - $30.57

Q4 2020

Shares 248,053 Value ($000) $16,476 Avg Close $25.56 Range $23.47 - $27.94

Q3 2020

Shares 248,443 Value ($000) $15,192 Avg Close $24.25 Range $21.67 - $25.92

Q2 2020

Shares 243,638 Value ($000) $13,958 Avg Close $21.65 Range $17.75 - $25.65

Q1 2020

Shares 245,143 Value ($000) $12,789 Avg Close $26.24 Range $16.88 - $31.29

Q4 2019

Shares 228,805 Value ($000) $15,810 Avg Close $26.99 Range $26.07 - $29.98

Q3 2019

Shares 233,152 Value ($000) $16,841 Avg Close $27.14 Range $25.23 - $28.29

Q2 2019

Shares 232,647 Value ($000) $15,338 Avg Close $23.59 Range $21.25 - $26.10

Q1 2019

Shares 153,083 Value ($000) $12,969 Avg Close $20.26 Range $18.10 - $21.71

Q4 2018

Shares 156,589 Value ($000) $11,573 Avg Close $19.20 Range $17.53 - $20.30

Q3 2018

Shares 160,089 Value ($000) $12,796 Avg Close $19.20 Range $17.96 - $20.20

Q2 2018

Shares 160,024 Value ($000) $11,587 Avg Close $18.67 Range $17.54 - $19.80

Q1 2018

Shares 163,538 Value ($000) $11,889 Avg Close $17.46 Range $16.63 - $18.44

Q4 2017

Shares 168,460 Value ($000) $12,070 Avg Close $16.98 Range $16.18 - $17.82

Q3 2017

Shares 164,442 Value ($000) $10,975 Avg Close $16.55 Range $15.18 - $17.71

Q2 2017

Shares 177,971 Value ($000) $12,310 Avg Close $16.61 Range $15.94 - $17.28

Q1 2017

Shares 196,342 Value ($000) $13,867 Avg Close $16.83 Range $15.96 - $17.75

Q4 2016

Shares 204,942 Value ($000) $13,631 Avg Close $14.61 Range $13.31 - $16.21

Q3 2016

Shares 210,342 Value ($000) $12,149 Avg Close $13.86 Range $13.40 - $14.24

Q2 2016

Shares 208,542 Value ($000) $12,496 Avg Close $13.28 Range $12.90 - $14.20

Q1 2016

Shares 212,317 Value ($000) $11,932 Avg Close $12.24 Range $11.21 - $13.36

Q4 2015

Shares 185,967 Value ($000) $10,182 Avg Close $12.98 Range $12.35 - $13.48

Q3 2015

Shares 183,049 Value ($000) $9,952 Avg Close $12.99 Range $12.19 - $13.73

Q2 2015

Shares 177,582 Value ($000) $9,222 Avg Close $11.79 Range $11.41 - $12.54

Q1 2015

Shares 189,701 Value ($000) $9,582 Avg Close $11.73 Range $11.09 - $12.13

Q4 2014

Shares 192,843 Value ($000) $9,885 Avg Close $11.66 Range $10.70 - $12.41

Q3 2014

Shares 191,124 Value ($000) $9,136 Avg Close $10.69 Range $10.11 - $11.18

Q2 2014

Shares 183,253 Value ($000) $8,486 Avg Close $9.99 Range $9.23 - $10.58

Q1 2014

Shares 186,353 Value ($000) $7,756 Avg Close $9.26 Range $8.59 - $9.84

Q4 2013

Shares 196,353 Value ($000) $8,520 Avg Close $9.82 Range $9.49 - $10.19

Q3 2013

Shares 194,953 Value ($000) $8,356 Avg Close $9.57 Range $9.16 - $10.14

Q2 2013

Shares 188,951 Value ($000) $7,721 Avg Close $9.58 Range $8.95 - $10.28

Q1 2013

Shares 192,892 Value ($000) $8,559 Avg Close $9.32 Range $8.56 - $10.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	383,530	$26,893	$72.74	$64.36 - $77.72
Q3 2025	374,759	$28,714	$70.00	$65.55 - $75.76
Q2 2025	399,516	$29,352	$69.95	$61.08 - $73.57
Q1 2025	426,125	$30,323	$59.72	$54.51 - $74.49
Q4 2024	413,013	$24,170	$57.87	$54.03 - $63.18
Q3 2024	430,583	$24,427	$53.88	$49.31 - $58.78
Q2 2024	297,400	$23,370	$51.01	$48.28 - $56.07
Q1 2024	314,254	$27,793	$51.43	$44.84 - $56.59
Q4 2023	315,072	$22,282	$43.01	$38.99 - $46.59
Q3 2023	320,449	$20,345	$38.71	$35.97 - $41.14
Q2 2023	345,100	$20,554	$36.64	$34.48 - $39.64
Q1 2023	348,188	$21,678	$41.60	$36.60 - $46.85
Q4 2022	351,382	$25,500	$44.51	$39.51 - $47.36
Q3 2022	348,256	$22,490	$40.00	$37.40 - $42.70
Q2 2022	352,047	$24,031	$41.54	$39.62 - $44.01
Q1 2022	342,852	$22,830	$36.37	$32.41 - $41.10
Q4 2021	243,952	$20,099	$31.99	$28.90 - $33.91
Q3 2021	241,521	$17,675	$29.58	$28.23 - $30.95
Q2 2021	241,563	$17,980	$30.80	$28.73 - $32.57
Q1 2021	250,687	$18,889	$27.39	$24.26 - $30.57
Q4 2020	248,053	$16,476	$25.56	$23.47 - $27.94
Q3 2020	248,443	$15,192	$24.25	$21.67 - $25.92
Q2 2020	243,638	$13,958	$21.65	$17.75 - $25.65
Q1 2020	245,143	$12,789	$26.24	$16.88 - $31.29
Q4 2019	228,805	$15,810	$26.99	$26.07 - $29.98
Q3 2019	233,152	$16,841	$27.14	$25.23 - $28.29
Q2 2019	232,647	$15,338	$23.59	$21.25 - $26.10
Q1 2019	153,083	$12,969	$20.26	$18.10 - $21.71
Q4 2018	156,589	$11,573	$19.20	$17.53 - $20.30
Q3 2018	160,089	$12,796	$19.20	$17.96 - $20.20
Q2 2018	160,024	$11,587	$18.67	$17.54 - $19.80
Q1 2018	163,538	$11,889	$17.46	$16.63 - $18.44
Q4 2017	168,460	$12,070	$16.98	$16.18 - $17.82
Q3 2017	164,442	$10,975	$16.55	$15.18 - $17.71
Q2 2017	177,971	$12,310	$16.61	$15.94 - $17.28
Q1 2017	196,342	$13,867	$16.83	$15.96 - $17.75
Q4 2016	204,942	$13,631	$14.61	$13.31 - $16.21
Q3 2016	210,342	$12,149	$13.86	$13.40 - $14.24
Q2 2016	208,542	$12,496	$13.28	$12.90 - $14.20
Q1 2016	212,317	$11,932	$12.24	$11.21 - $13.36
Q4 2015	185,967	$10,182	$12.98	$12.35 - $13.48
Q3 2015	183,049	$9,952	$12.99	$12.19 - $13.73
Q2 2015	177,582	$9,222	$11.79	$11.41 - $12.54
Q1 2015	189,701	$9,582	$11.73	$11.09 - $12.13
Q4 2014	192,843	$9,885	$11.66	$10.70 - $12.41
Q3 2014	191,124	$9,136	$10.69	$10.11 - $11.18
Q2 2014	183,253	$8,486	$9.99	$9.23 - $10.58
Q1 2014	186,353	$7,756	$9.26	$8.59 - $9.84
Q4 2013	196,353	$8,520	$9.82	$9.49 - $10.19
Q3 2013	194,953	$8,356	$9.57	$9.16 - $10.14
Q2 2013	188,951	$7,721	$9.58	$8.95 - $10.28
Q1 2013	192,892	$8,559	$9.32	$8.56 - $10.01