BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 420,931 Value ($000) $40,136 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 432,094 Value ($000) $42,185 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 432,395 Value ($000) $46,444 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 455,300 Value ($000) $45,931 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 425,982 Value ($000) $38,049 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 421,536 Value ($000) $35,325 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 426,131 Value ($000) $32,816 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 420,401 Value ($000) $28,793 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 411,950 Value ($000) $23,815 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 406,944 Value ($000) $21,487 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 410,854 Value ($000) $22,223 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 391,082 Value ($000) $19,566 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 390,075 Value ($000) $18,049 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 388,594 Value ($000) $15,050 Avg Close $40.12 Range $36.15 - $43.52

Q2 2022

Shares 391,416 Value ($000) $14,588 Avg Close $40.71 Range $34.98 - $47.50

Q1 2022

Shares 391,016 Value ($000) $17,318 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 389,965 Value ($000) $16,566 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 396,238 Value ($000) $17,193 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 397,055 Value ($000) $16,978 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 403,521 Value ($000) $15,596 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 412,772 Value ($000) $14,839 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 446,191 Value ($000) $17,049 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 327,975 Value ($000) $11,515 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 342,063 Value ($000) $11,162 Avg Close $39.07 Range $24.10 - $46.13

Q4 2019

Shares 334,787 Value ($000) $15,139 Avg Close $41.84 Range $37.65 - $46.62

Q3 2019

Shares 330,246 Value ($000) $13,438 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 336,524 Value ($000) $14,464 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 362,840 Value ($000) $13,926 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 402,163 Value ($000) $14,212 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 448,847 Value ($000) $17,281 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 449,811 Value ($000) $14,709 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 478,581 Value ($000) $13,075 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 464,781 Value ($000) $11,522 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 434,856 Value ($000) $12,685 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 420,356 Value ($000) $11,652 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 429,556 Value ($000) $10,683 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 428,456 Value ($000) $9,268 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 335,056 Value ($000) $7,974 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 332,856 Value ($000) $7,779 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 365,656 Value ($000) $6,878 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 356,056 Value ($000) $6,566 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 367,756 Value ($000) $6,035 Avg Close $17.09 Range $14.18 - $18.11

Q4 2014

Shares 371,256 Value ($000) $4,919 Avg Close $12.78 Range $11.10 - $13.76

Q3 2014

Shares 368,956 Value ($000) $4,357 Avg Close $12.59 Range $11.76 - $13.34

Q2 2014

Shares 382,256 Value ($000) $4,881 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 378,756 Value ($000) $5,120 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 381,756 Value ($000) $4,588 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 394,456 Value ($000) $4,630 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 400,656 Value ($000) $3,714 Avg Close $8.48 Range $7.07 - $9.75

Q1 2013

Shares 402,456 Value ($000) $3,143 Avg Close $7.15 Range $5.76 - $7.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	420,931	$40,136	$98.04	$90.42 - $105.65
Q3 2025	432,094	$42,185	$103.56	$95.84 - $109.50
Q2 2025	432,395	$46,444	$101.18	$85.98 - $107.53
Q1 2025	455,300	$45,931	$100.70	$88.81 - $107.17
Q4 2024	425,982	$38,049	$88.03	$80.64 - $91.93
Q3 2024	421,536	$35,325	$78.83	$71.88 - $84.89
Q2 2024	426,131	$32,816	$73.20	$66.80 - $77.99
Q1 2024	420,401	$28,793	$64.30	$57.11 - $68.92
Q4 2023	411,950	$23,815	$53.38	$48.35 - $58.34
Q3 2023	406,944	$21,487	$52.45	$49.69 - $55.38
Q2 2023	410,854	$22,223	$52.23	$49.38 - $54.75
Q1 2023	391,082	$19,566	$47.13	$44.35 - $50.21
Q4 2022	390,075	$18,049	$43.30	$38.79 - $47.95
Q3 2022	388,594	$15,050	$40.12	$36.15 - $43.52
Q2 2022	391,416	$14,588	$40.71	$34.98 - $47.50
Q1 2022	391,016	$17,318	$43.34	$40.80 - $45.32
Q4 2021	389,965	$16,566	$42.02	$37.96 - $45.43
Q3 2021	396,238	$17,193	$44.24	$40.93 - $46.29
Q2 2021	397,055	$16,978	$42.07	$38.00 - $44.63
Q1 2021	403,521	$15,596	$37.85	$34.58 - $40.13
Q4 2020	412,772	$14,839	$36.04	$32.99 - $42.13
Q3 2020	446,191	$17,049	$38.53	$33.77 - $42.37
Q2 2020	327,975	$11,515	$36.01	$29.65 - $39.33
Q1 2020	342,063	$11,162	$39.07	$24.10 - $46.13
Q4 2019	334,787	$15,139	$41.84	$37.65 - $46.62
Q3 2019	330,246	$13,438	$42.37	$39.75 - $43.84
Q2 2019	336,524	$14,464	$38.46	$34.35 - $43.02
Q1 2019	362,840	$13,926	$38.19	$32.73 - $41.00
Q4 2018	402,163	$14,212	$36.27	$31.56 - $39.44
Q3 2018	448,847	$17,281	$34.93	$32.27 - $39.13
Q2 2018	449,811	$14,709	$30.16	$26.42 - $37.30
Q1 2018	478,581	$13,075	$27.18	$24.84 - $28.90
Q4 2017	464,781	$11,522	$27.58	$24.54 - $29.93
Q3 2017	434,856	$12,685	$27.62	$26.23 - $29.40
Q2 2017	420,356	$11,652	$26.54	$24.29 - $28.51
Q1 2017	429,556	$10,683	$24.32	$21.66 - $25.65
Q4 2016	428,456	$9,268	$21.82	$19.67 - $23.88
Q3 2016	335,056	$7,974	$23.86	$22.95 - $24.79
Q2 2016	332,856	$7,779	$21.63	$18.65 - $23.37
Q1 2016	365,656	$6,878	$17.57	$15.67 - $18.89
Q4 2015	356,056	$6,566	$17.92	$16.25 - $19.06
Q3 2015	367,756	$6,035	$17.09	$14.18 - $18.11
Q4 2014	371,256	$4,919	$12.78	$11.10 - $13.76
Q3 2014	368,956	$4,357	$12.59	$11.76 - $13.34
Q2 2014	382,256	$4,881	$13.00	$12.28 - $13.90
Q1 2014	378,756	$5,120	$13.13	$11.85 - $14.08
Q4 2013	381,756	$4,588	$11.81	$11.12 - $12.48
Q3 2013	394,456	$4,630	$10.82	$9.05 - $12.16
Q2 2013	400,656	$3,714	$8.48	$7.07 - $9.75
Q1 2013	402,456	$3,143	$7.15	$5.76 - $7.85