BERKLEY W R CORP

Ticker: WRB CUSIP: 084423102 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 81,719 Value ($000) $5,730 Avg Close $72.74 Range $64.36 - $77.72

Q3 2025

Shares 85,219 Value ($000) $6,529 Avg Close $70.00 Range $65.55 - $75.76

Q2 2025

Shares 85,719 Value ($000) $6,298 Avg Close $69.95 Range $61.08 - $73.57

Q1 2025

Shares 81,419 Value ($000) $5,794 Avg Close $59.72 Range $54.51 - $74.49

Q4 2024

Shares 81,719 Value ($000) $4,782 Avg Close $57.87 Range $54.03 - $63.18

Q3 2024

Shares 81,919 Value ($000) $4,647 Avg Close $53.88 Range $49.31 - $58.78

Q2 2024

Shares 55,346 Value ($000) $4,349 Avg Close $51.01 Range $48.28 - $56.07

Q1 2024

Shares 55,546 Value ($000) $4,912 Avg Close $51.43 Range $44.84 - $56.59

Q4 2023

Shares 55,746 Value ($000) $3,942 Avg Close $43.01 Range $38.99 - $46.59

Q3 2023

Shares 55,746 Value ($000) $3,539 Avg Close $38.71 Range $35.97 - $41.14

Q2 2023

Shares 55,246 Value ($000) $3,290 Avg Close $36.64 Range $34.48 - $39.64

Q1 2023

Shares 55,946 Value ($000) $3,483 Avg Close $41.60 Range $36.60 - $46.85

Q4 2022

Shares 55,546 Value ($000) $4,031 Avg Close $44.51 Range $39.51 - $47.36

Q3 2022

Shares 55,246 Value ($000) $3,568 Avg Close $40.00 Range $37.40 - $42.70

Q2 2022

Shares 56,546 Value ($000) $3,860 Avg Close $41.54 Range $39.62 - $44.01

Q1 2022

Shares 52,846 Value ($000) $3,519 Avg Close $36.37 Range $32.41 - $41.10

Q4 2021

Shares 35,157 Value ($000) $2,897 Avg Close $31.99 Range $28.90 - $33.91

Q3 2021

Shares 35,257 Value ($000) $2,580 Avg Close $29.58 Range $28.23 - $30.95

Q2 2021

Shares 35,257 Value ($000) $2,624 Avg Close $30.80 Range $28.73 - $32.57

Q1 2021

Shares 35,157 Value ($000) $2,649 Avg Close $27.39 Range $24.26 - $30.57

Q4 2020

Shares 35,357 Value ($000) $2,348 Avg Close $25.56 Range $23.47 - $27.94

Q3 2020

Shares 35,857 Value ($000) $2,193 Avg Close $24.25 Range $21.67 - $25.92

Q2 2020

Shares 36,057 Value ($000) $2,066 Avg Close $21.65 Range $17.75 - $25.65

Q1 2020

Shares 33,332 Value ($000) $1,739 Avg Close $26.24 Range $16.88 - $31.29

Q4 2019

Shares 35,132 Value ($000) $2,428 Avg Close $26.99 Range $26.07 - $29.98

Q3 2019

Shares 42,032 Value ($000) $3,036 Avg Close $27.14 Range $25.23 - $28.29

Q2 2019

Shares 42,832 Value ($000) $2,824 Avg Close $23.59 Range $21.25 - $26.10

Q1 2019

Shares 34,355 Value ($000) $2,911 Avg Close $20.26 Range $18.10 - $21.71

Q4 2018

Shares 34,355 Value ($000) $2,539 Avg Close $19.20 Range $17.53 - $20.30

Q3 2018

Shares 35,555 Value ($000) $2,842 Avg Close $19.20 Range $17.96 - $20.20

Q2 2018

Shares 35,355 Value ($000) $2,560 Avg Close $18.67 Range $17.54 - $19.80

Q1 2018

Shares 34,955 Value ($000) $2,541 Avg Close $17.46 Range $16.63 - $18.44

Q4 2017

Shares 34,555 Value ($000) $2,476 Avg Close $16.98 Range $16.18 - $17.82

Q3 2017

Shares 36,055 Value ($000) $2,406 Avg Close $16.55 Range $15.18 - $17.71

Q2 2017

Shares 39,955 Value ($000) $2,764 Avg Close $16.61 Range $15.94 - $17.28

Q1 2017

Shares 39,355 Value ($000) $2,780 Avg Close $16.83 Range $15.96 - $17.75

Q4 2016

Shares 39,055 Value ($000) $2,598 Avg Close $14.61 Range $13.31 - $16.21

Q3 2016

Shares 39,555 Value ($000) $2,285 Avg Close $13.86 Range $13.40 - $14.24

Q2 2016

Shares 39,355 Value ($000) $2,358 Avg Close $13.28 Range $12.90 - $14.20

Q1 2016

Shares 39,155 Value ($000) $2,201 Avg Close $12.24 Range $11.21 - $13.36

Q4 2015

Shares 38,955 Value ($000) $2,133 Avg Close $12.98 Range $12.35 - $13.48

Q3 2015

Shares 44,955 Value ($000) $2,444 Avg Close $12.99 Range $12.19 - $13.73

Q2 2015

Shares 45,455 Value ($000) $2,360 Avg Close $11.79 Range $11.41 - $12.54

Q1 2015

Shares 45,655 Value ($000) $2,306 Avg Close $11.73 Range $11.09 - $12.13

Q4 2014

Shares 48,355 Value ($000) $2,479 Avg Close $11.66 Range $10.70 - $12.41

Q3 2014

Shares 48,455 Value ($000) $2,316 Avg Close $10.69 Range $10.11 - $11.18

Q2 2014

Shares 48,755 Value ($000) $2,258 Avg Close $9.99 Range $9.23 - $10.58

Q1 2014

Shares 49,055 Value ($000) $2,042 Avg Close $9.26 Range $8.59 - $9.84

Q4 2013

Shares 51,255 Value ($000) $2,224 Avg Close $9.82 Range $9.49 - $10.19

Q3 2013

Shares 51,055 Value ($000) $2,188 Avg Close $9.57 Range $9.16 - $10.14

Q2 2013

Shares 50,655 Value ($000) $2,070 Avg Close $9.58 Range $8.95 - $10.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	81,719	$5,730	$72.74	$64.36 - $77.72
Q3 2025	85,219	$6,529	$70.00	$65.55 - $75.76
Q2 2025	85,719	$6,298	$69.95	$61.08 - $73.57
Q1 2025	81,419	$5,794	$59.72	$54.51 - $74.49
Q4 2024	81,719	$4,782	$57.87	$54.03 - $63.18
Q3 2024	81,919	$4,647	$53.88	$49.31 - $58.78
Q2 2024	55,346	$4,349	$51.01	$48.28 - $56.07
Q1 2024	55,546	$4,912	$51.43	$44.84 - $56.59
Q4 2023	55,746	$3,942	$43.01	$38.99 - $46.59
Q3 2023	55,746	$3,539	$38.71	$35.97 - $41.14
Q2 2023	55,246	$3,290	$36.64	$34.48 - $39.64
Q1 2023	55,946	$3,483	$41.60	$36.60 - $46.85
Q4 2022	55,546	$4,031	$44.51	$39.51 - $47.36
Q3 2022	55,246	$3,568	$40.00	$37.40 - $42.70
Q2 2022	56,546	$3,860	$41.54	$39.62 - $44.01
Q1 2022	52,846	$3,519	$36.37	$32.41 - $41.10
Q4 2021	35,157	$2,897	$31.99	$28.90 - $33.91
Q3 2021	35,257	$2,580	$29.58	$28.23 - $30.95
Q2 2021	35,257	$2,624	$30.80	$28.73 - $32.57
Q1 2021	35,157	$2,649	$27.39	$24.26 - $30.57
Q4 2020	35,357	$2,348	$25.56	$23.47 - $27.94
Q3 2020	35,857	$2,193	$24.25	$21.67 - $25.92
Q2 2020	36,057	$2,066	$21.65	$17.75 - $25.65
Q1 2020	33,332	$1,739	$26.24	$16.88 - $31.29
Q4 2019	35,132	$2,428	$26.99	$26.07 - $29.98
Q3 2019	42,032	$3,036	$27.14	$25.23 - $28.29
Q2 2019	42,832	$2,824	$23.59	$21.25 - $26.10
Q1 2019	34,355	$2,911	$20.26	$18.10 - $21.71
Q4 2018	34,355	$2,539	$19.20	$17.53 - $20.30
Q3 2018	35,555	$2,842	$19.20	$17.96 - $20.20
Q2 2018	35,355	$2,560	$18.67	$17.54 - $19.80
Q1 2018	34,955	$2,541	$17.46	$16.63 - $18.44
Q4 2017	34,555	$2,476	$16.98	$16.18 - $17.82
Q3 2017	36,055	$2,406	$16.55	$15.18 - $17.71
Q2 2017	39,955	$2,764	$16.61	$15.94 - $17.28
Q1 2017	39,355	$2,780	$16.83	$15.96 - $17.75
Q4 2016	39,055	$2,598	$14.61	$13.31 - $16.21
Q3 2016	39,555	$2,285	$13.86	$13.40 - $14.24
Q2 2016	39,355	$2,358	$13.28	$12.90 - $14.20
Q1 2016	39,155	$2,201	$12.24	$11.21 - $13.36
Q4 2015	38,955	$2,133	$12.98	$12.35 - $13.48
Q3 2015	44,955	$2,444	$12.99	$12.19 - $13.73
Q2 2015	45,455	$2,360	$11.79	$11.41 - $12.54
Q1 2015	45,655	$2,306	$11.73	$11.09 - $12.13
Q4 2014	48,355	$2,479	$11.66	$10.70 - $12.41
Q3 2014	48,455	$2,316	$10.69	$10.11 - $11.18
Q2 2014	48,755	$2,258	$9.99	$9.23 - $10.58
Q1 2014	49,055	$2,042	$9.26	$8.59 - $9.84
Q4 2013	51,255	$2,224	$9.82	$9.49 - $10.19
Q3 2013	51,055	$2,188	$9.57	$9.16 - $10.14
Q2 2013	50,655	$2,070	$9.58	$8.95 - $10.28