BOSTON PROPERTIES INC

Ticker: BXP CUSIP: 101121101 Class: EQTY

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

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

Q4 2025

Shares 38,557 Value ($000) $2,602 Avg Close $70.38 Range $67.32 - $75.60

Q3 2025

Shares 39,557 Value ($000) $2,941 Avg Close $69.22 Range $60.79 - $77.80

Q2 2025

Shares 39,557 Value ($000) $2,669 Avg Close $64.41 Range $52.41 - $72.11

Q1 2025

Shares 39,457 Value ($000) $2,651 Avg Close $66.83 Range $60.71 - $72.36

Q4 2024

Shares 39,457 Value ($000) $2,934 Avg Close $76.27 Range $68.35 - $84.71

Q3 2024

Shares 39,557 Value ($000) $3,183 Avg Close $66.51 Range $55.45 - $77.87

Q2 2024

Shares 39,557 Value ($000) $2,435 Avg Close $55.86 Range $51.59 - $60.16

Q1 2024

Shares 39,557 Value ($000) $2,583 Avg Close $59.55 Range $54.62 - $65.39

Q4 2023

Shares 39,557 Value ($000) $2,776 Avg Close $52.40 Range $44.91 - $65.60

Q3 2023

Shares 39,157 Value ($000) $2,329 Avg Close $55.83 Range $48.35 - $61.00

Q2 2023

Shares 39,157 Value ($000) $2,255 Avg Close $44.61 Range $40.11 - $51.01

Q1 2023

Shares 39,157 Value ($000) $2,119 Avg Close $54.92 Range $38.85 - $66.81

Q4 2022

Shares 38,757 Value ($000) $2,619 Avg Close $58.78 Range $53.40 - $64.90

Q3 2022

Shares 38,557 Value ($000) $2,891 Avg Close $69.56 Range $60.07 - $75.04

Q2 2022

Shares 38,457 Value ($000) $3,422 Avg Close $89.63 Range $71.25 - $105.62

Q1 2022

Shares 35,857 Value ($000) $4,618 Avg Close $97.37 Range $86.52 - $107.19

Q4 2021

Shares 35,751 Value ($000) $4,118 Avg Close $91.74 Range $83.79 - $96.16

Q3 2021

Shares 35,651 Value ($000) $3,863 Avg Close $90.28 Range $85.04 - $94.97

Q2 2021

Shares 35,751 Value ($000) $4,097 Avg Close $87.94 Range $79.56 - $97.29

Q1 2021

Shares 35,551 Value ($000) $3,600 Avg Close $75.68 Range $68.61 - $85.60

Q4 2020

Shares 35,651 Value ($000) $3,370 Avg Close $68.58 Range $53.49 - $81.34

Q3 2020

Shares 36,151 Value ($000) $2,903 Avg Close $66.22 Range $59.47 - $71.77

Q2 2020

Shares 36,951 Value ($000) $3,340 Avg Close $68.07 Range $53.67 - $80.91

Q1 2020

Shares 32,928 Value ($000) $3,037 Avg Close $95.58 Range $57.29 - $109.70

Q4 2019

Shares 34,728 Value ($000) $4,788 Avg Close $99.27 Range $91.79 - $103.37

Q3 2019

Shares 34,528 Value ($000) $4,477 Avg Close $95.05 Range $91.61 - $99.95

Q2 2019

Shares 37,028 Value ($000) $4,777 Avg Close $97.54 Range $92.14 - $101.91

Q1 2019

Shares 44,528 Value ($000) $5,961 Avg Close $92.62 Range $77.81 - $98.20

Q4 2018

Shares 44,228 Value ($000) $4,978 Avg Close $86.59 Range $77.08 - $94.88

Q3 2018

Shares 46,028 Value ($000) $5,666 Avg Close $90.29 Range $85.99 - $94.20

Q2 2018

Shares 45,728 Value ($000) $5,735 Avg Close $85.51 Range $81.74 - $89.50

Q1 2018

Shares 45,428 Value ($000) $5,598 Avg Close $85.13 Range $78.10 - $91.27

Q4 2017

Shares 45,228 Value ($000) $5,881 Avg Close $87.25 Range $83.30 - $91.82

Q3 2017

Shares 46,828 Value ($000) $5,754 Avg Close $83.74 Range $80.73 - $86.49

Q2 2017

Shares 50,528 Value ($000) $6,216 Avg Close $86.92 Range $82.15 - $94.39

Q1 2017

Shares 50,528 Value ($000) $6,690 Avg Close $90.62 Range $86.09 - $95.75

Q4 2016

Shares 50,328 Value ($000) $6,330 Avg Close $84.45 Range $77.21 - $92.01

Q3 2016

Shares 53,664 Value ($000) $7,314 Avg Close $93.83 Range $87.53 - $97.35

Q2 2016

Shares 53,364 Value ($000) $7,039 Avg Close $86.36 Range $83.02 - $89.84

Q1 2016

Shares 52,864 Value ($000) $6,718 Avg Close $79.42 Range $71.77 - $85.92

Q4 2015

Shares 52,564 Value ($000) $6,704 Avg Close $82.11 Range $76.89 - $86.99

Q3 2015

Shares 55,364 Value ($000) $6,555 Avg Close $78.38 Range $62.21 - $83.35

Q2 2015

Shares 59,464 Value ($000) $7,198 Avg Close $85.93 Range $78.95 - $93.30

Q1 2015

Shares 59,064 Value ($000) $8,297 Avg Close $90.60 Range $83.91 - $94.80

Q4 2014

Shares 63,064 Value ($000) $8,116 Avg Close $79.21 Range $71.83 - $85.91

Q3 2014

Shares 62,764 Value ($000) $7,266 Avg Close $74.26 Range $70.39 - $77.00

Q2 2014

Shares 62,664 Value ($000) $7,406 Avg Close $72.91 Range $70.14 - $75.56

Q1 2014

Shares 62,464 Value ($000) $7,154 Avg Close $66.97 Range $61.10 - $71.12

Q4 2013

Shares 62,164 Value ($000) $6,239 Avg Close $61.80 Range $58.50 - $65.53

Q3 2013

Shares 61,964 Value ($000) $6,624 Avg Close $62.76 Range $58.24 - $66.97

Q2 2013

Shares 61,664 Value ($000) $6,504 Avg Close $64.00 Range $58.68 - $68.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	38,557	$2,602	$70.38	$67.32 - $75.60
Q3 2025	39,557	$2,941	$69.22	$60.79 - $77.80
Q2 2025	39,557	$2,669	$64.41	$52.41 - $72.11
Q1 2025	39,457	$2,651	$66.83	$60.71 - $72.36
Q4 2024	39,457	$2,934	$76.27	$68.35 - $84.71
Q3 2024	39,557	$3,183	$66.51	$55.45 - $77.87
Q2 2024	39,557	$2,435	$55.86	$51.59 - $60.16
Q1 2024	39,557	$2,583	$59.55	$54.62 - $65.39
Q4 2023	39,557	$2,776	$52.40	$44.91 - $65.60
Q3 2023	39,157	$2,329	$55.83	$48.35 - $61.00
Q2 2023	39,157	$2,255	$44.61	$40.11 - $51.01
Q1 2023	39,157	$2,119	$54.92	$38.85 - $66.81
Q4 2022	38,757	$2,619	$58.78	$53.40 - $64.90
Q3 2022	38,557	$2,891	$69.56	$60.07 - $75.04
Q2 2022	38,457	$3,422	$89.63	$71.25 - $105.62
Q1 2022	35,857	$4,618	$97.37	$86.52 - $107.19
Q4 2021	35,751	$4,118	$91.74	$83.79 - $96.16
Q3 2021	35,651	$3,863	$90.28	$85.04 - $94.97
Q2 2021	35,751	$4,097	$87.94	$79.56 - $97.29
Q1 2021	35,551	$3,600	$75.68	$68.61 - $85.60
Q4 2020	35,651	$3,370	$68.58	$53.49 - $81.34
Q3 2020	36,151	$2,903	$66.22	$59.47 - $71.77
Q2 2020	36,951	$3,340	$68.07	$53.67 - $80.91
Q1 2020	32,928	$3,037	$95.58	$57.29 - $109.70
Q4 2019	34,728	$4,788	$99.27	$91.79 - $103.37
Q3 2019	34,528	$4,477	$95.05	$91.61 - $99.95
Q2 2019	37,028	$4,777	$97.54	$92.14 - $101.91
Q1 2019	44,528	$5,961	$92.62	$77.81 - $98.20
Q4 2018	44,228	$4,978	$86.59	$77.08 - $94.88
Q3 2018	46,028	$5,666	$90.29	$85.99 - $94.20
Q2 2018	45,728	$5,735	$85.51	$81.74 - $89.50
Q1 2018	45,428	$5,598	$85.13	$78.10 - $91.27
Q4 2017	45,228	$5,881	$87.25	$83.30 - $91.82
Q3 2017	46,828	$5,754	$83.74	$80.73 - $86.49
Q2 2017	50,528	$6,216	$86.92	$82.15 - $94.39
Q1 2017	50,528	$6,690	$90.62	$86.09 - $95.75
Q4 2016	50,328	$6,330	$84.45	$77.21 - $92.01
Q3 2016	53,664	$7,314	$93.83	$87.53 - $97.35
Q2 2016	53,364	$7,039	$86.36	$83.02 - $89.84
Q1 2016	52,864	$6,718	$79.42	$71.77 - $85.92
Q4 2015	52,564	$6,704	$82.11	$76.89 - $86.99
Q3 2015	55,364	$6,555	$78.38	$62.21 - $83.35
Q2 2015	59,464	$7,198	$85.93	$78.95 - $93.30
Q1 2015	59,064	$8,297	$90.60	$83.91 - $94.80
Q4 2014	63,064	$8,116	$79.21	$71.83 - $85.91
Q3 2014	62,764	$7,266	$74.26	$70.39 - $77.00
Q2 2014	62,664	$7,406	$72.91	$70.14 - $75.56
Q1 2014	62,464	$7,154	$66.97	$61.10 - $71.12
Q4 2013	62,164	$6,239	$61.80	$58.50 - $65.53
Q3 2013	61,964	$6,624	$62.76	$58.24 - $66.97
Q2 2013	61,664	$6,504	$64.00	$58.68 - $68.26