BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

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

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

Q4 2025

Shares 388,108 Value ($000) $37,006 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 400,708 Value ($000) $39,121 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 402,308 Value ($000) $43,212 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 399,808 Value ($000) $40,333 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 400,008 Value ($000) $35,729 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 401,008 Value ($000) $33,604 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 402,608 Value ($000) $31,005 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 401,408 Value ($000) $27,492 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 400,908 Value ($000) $23,176 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 401,408 Value ($000) $21,194 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 395,308 Value ($000) $21,382 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 393,308 Value ($000) $19,677 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 389,308 Value ($000) $18,013 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 387,508 Value ($000) $15,008 Avg Close $40.12 Range $36.15 - $43.52

Q2 2022

Shares 385,708 Value ($000) $14,375 Avg Close $40.71 Range $34.98 - $47.50

Q1 2022

Shares 359,408 Value ($000) $15,918 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 358,765 Value ($000) $15,240 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 357,565 Value ($000) $15,515 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 357,165 Value ($000) $15,272 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 355,665 Value ($000) $13,746 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 360,065 Value ($000) $12,944 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 365,065 Value ($000) $13,949 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 364,865 Value ($000) $12,810 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 319,496 Value ($000) $10,425 Avg Close $39.07 Range $24.10 - $46.13

Q4 2019

Shares 337,096 Value ($000) $15,243 Avg Close $41.84 Range $37.65 - $46.62

Q3 2019

Shares 334,896 Value ($000) $13,627 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 332,896 Value ($000) $14,308 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 399,396 Value ($000) $15,329 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 396,196 Value ($000) $14,002 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 412,096 Value ($000) $15,866 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 408,496 Value ($000) $13,358 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 404,796 Value ($000) $11,059 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 402,496 Value ($000) $9,978 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 416,396 Value ($000) $12,146 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 450,096 Value ($000) $12,477 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 447,896 Value ($000) $11,139 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 445,296 Value ($000) $9,632 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 474,936 Value ($000) $11,303 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 471,336 Value ($000) $11,015 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 464,236 Value ($000) $8,732 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 460,136 Value ($000) $8,485 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 485,136 Value ($000) $7,961 Avg Close $17.09 Range $14.18 - $18.11

Q2 2015

Shares 519,936 Value ($000) $9,203 Avg Close $17.87 Range $17.12 - $18.62

Q1 2015

Shares 513,236 Value ($000) $9,110 Avg Close $15.80 Range $13.14 - $18.17

Q4 2014

Shares 546,436 Value ($000) $7,240 Avg Close $12.78 Range $11.10 - $13.76

Q3 2014

Shares 543,436 Value ($000) $6,418 Avg Close $12.59 Range $11.76 - $13.34

Q2 2014

Shares 541,936 Value ($000) $6,921 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 540,436 Value ($000) $7,307 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 542,836 Value ($000) $6,525 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 546,236 Value ($000) $6,413 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 547,936 Value ($000) $5,079 Avg Close $8.48 Range $7.07 - $9.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	388,108	$37,006	$98.04	$90.42 - $105.65
Q3 2025	400,708	$39,121	$103.56	$95.84 - $109.50
Q2 2025	402,308	$43,212	$101.18	$85.98 - $107.53
Q1 2025	399,808	$40,333	$100.70	$88.81 - $107.17
Q4 2024	400,008	$35,729	$88.03	$80.64 - $91.93
Q3 2024	401,008	$33,604	$78.83	$71.88 - $84.89
Q2 2024	402,608	$31,005	$73.20	$66.80 - $77.99
Q1 2024	401,408	$27,492	$64.30	$57.11 - $68.92
Q4 2023	400,908	$23,176	$53.38	$48.35 - $58.34
Q3 2023	401,408	$21,194	$52.45	$49.69 - $55.38
Q2 2023	395,308	$21,382	$52.23	$49.38 - $54.75
Q1 2023	393,308	$19,677	$47.13	$44.35 - $50.21
Q4 2022	389,308	$18,013	$43.30	$38.79 - $47.95
Q3 2022	387,508	$15,008	$40.12	$36.15 - $43.52
Q2 2022	385,708	$14,375	$40.71	$34.98 - $47.50
Q1 2022	359,408	$15,918	$43.34	$40.80 - $45.32
Q4 2021	358,765	$15,240	$42.02	$37.96 - $45.43
Q3 2021	357,565	$15,515	$44.24	$40.93 - $46.29
Q2 2021	357,165	$15,272	$42.07	$38.00 - $44.63
Q1 2021	355,665	$13,746	$37.85	$34.58 - $40.13
Q4 2020	360,065	$12,944	$36.04	$32.99 - $42.13
Q3 2020	365,065	$13,949	$38.53	$33.77 - $42.37
Q2 2020	364,865	$12,810	$36.01	$29.65 - $39.33
Q1 2020	319,496	$10,425	$39.07	$24.10 - $46.13
Q4 2019	337,096	$15,243	$41.84	$37.65 - $46.62
Q3 2019	334,896	$13,627	$42.37	$39.75 - $43.84
Q2 2019	332,896	$14,308	$38.46	$34.35 - $43.02
Q1 2019	399,396	$15,329	$38.19	$32.73 - $41.00
Q4 2018	396,196	$14,002	$36.27	$31.56 - $39.44
Q3 2018	412,096	$15,866	$34.93	$32.27 - $39.13
Q2 2018	408,496	$13,358	$30.16	$26.42 - $37.30
Q1 2018	404,796	$11,059	$27.18	$24.84 - $28.90
Q4 2017	402,496	$9,978	$27.58	$24.54 - $29.93
Q3 2017	416,396	$12,146	$27.62	$26.23 - $29.40
Q2 2017	450,096	$12,477	$26.54	$24.29 - $28.51
Q1 2017	447,896	$11,139	$24.32	$21.66 - $25.65
Q4 2016	445,296	$9,632	$21.82	$19.67 - $23.88
Q3 2016	474,936	$11,303	$23.86	$22.95 - $24.79
Q2 2016	471,336	$11,015	$21.63	$18.65 - $23.37
Q1 2016	464,236	$8,732	$17.57	$15.67 - $18.89
Q4 2015	460,136	$8,485	$17.92	$16.25 - $19.06
Q3 2015	485,136	$7,961	$17.09	$14.18 - $18.11
Q2 2015	519,936	$9,203	$17.87	$17.12 - $18.62
Q1 2015	513,236	$9,110	$15.80	$13.14 - $18.17
Q4 2014	546,436	$7,240	$12.78	$11.10 - $13.76
Q3 2014	543,436	$6,418	$12.59	$11.76 - $13.34
Q2 2014	541,936	$6,921	$13.00	$12.28 - $13.90
Q1 2014	540,436	$7,307	$13.13	$11.85 - $14.08
Q4 2013	542,836	$6,525	$11.81	$11.12 - $12.48
Q3 2013	546,236	$6,413	$10.82	$9.05 - $12.16
Q2 2013	547,936	$5,079	$8.48	$7.07 - $9.75