BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2025

Shares 552,666 Value ($000) $52,697 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 795,537 Value ($000) $77,668 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 931,793 Value ($000) $100,084 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 871,649 Value ($000) $87,932 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 693,941 Value ($000) $62 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 480,410 Value ($000) $40 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 755,431 Value ($000) $58 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 699,930 Value ($000) $48 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 474,141 Value ($000) $27 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 610,990 Value ($000) $32 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 455,433 Value ($000) $25 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 340,106 Value ($000) $17 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 305,654 Value ($000) $14 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 364,454 Value ($000) $14,115 Avg Close $40.12 Range $36.15 - $43.52

Q2 2022

Shares 391,008 Value ($000) $14,573 Avg Close $40.71 Range $34.98 - $47.50

Q1 2022

Shares 473,928 Value ($000) $20,990 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 402,607 Value ($000) $17,103 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 443,115 Value ($000) $19,227 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 293,932 Value ($000) $12,569 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 159,768 Value ($000) $6,175 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 231,914 Value ($000) $8,337 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 286,333 Value ($000) $10,941 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 426,003 Value ($000) $14,957 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 156,331 Value ($000) $5,101 Avg Close $39.07 Range $24.10 - $46.13

Q3 2019

Shares 81,904 Value ($000) $3,333 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 308,704 Value ($000) $13,268 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 308,704 Value ($000) $11,848 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 18,926 Value ($000) $669 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 162,441 Value ($000) $6,254 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 278,874 Value ($000) $9,119 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 303,939 Value ($000) $8,304 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 376,275 Value ($000) $9,328 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 158,039 Value ($000) $4,610 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 58,755 Value ($000) $1,629 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 58,923 Value ($000) $1,465 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 178,199 Value ($000) $3,854 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 215,838 Value ($000) $5,137 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 99,508 Value ($000) $2,326 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 76,253 Value ($000) $1,434 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 35,724 Value ($000) $659 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 287,260 Value ($000) $4,714 Avg Close $17.09 Range $14.18 - $18.11

Q2 2015

Shares 206,193 Value ($000) $3,650 Avg Close $17.87 Range $17.12 - $18.62

Q1 2015

Shares 40,200 Value ($000) $714 Avg Close $15.80 Range $13.14 - $18.17

Q4 2014

Shares 40,143 Value ($000) $532 Avg Close $12.78 Range $11.10 - $13.76

Q2 2014

Shares 30,539 Value ($000) $390 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 123,233 Value ($000) $1,666 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 123,233 Value ($000) $1,481 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 49,131 Value ($000) $577 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 58,899 Value ($000) $546 Avg Close $8.48 Range $7.07 - $9.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	552,666	$52,697	$98.04	$90.42 - $105.65
Q3 2025	795,537	$77,668	$103.56	$95.84 - $109.50
Q2 2025	931,793	$100,084	$101.18	$85.98 - $107.53
Q1 2025	871,649	$87,932	$100.70	$88.81 - $107.17
Q4 2024	693,941	$62	$88.03	$80.64 - $91.93
Q3 2024	480,410	$40	$78.83	$71.88 - $84.89
Q2 2024	755,431	$58	$73.20	$66.80 - $77.99
Q1 2024	699,930	$48	$64.30	$57.11 - $68.92
Q4 2023	474,141	$27	$53.38	$48.35 - $58.34
Q3 2023	610,990	$32	$52.45	$49.69 - $55.38
Q2 2023	455,433	$25	$52.23	$49.38 - $54.75
Q1 2023	340,106	$17	$47.13	$44.35 - $50.21
Q4 2022	305,654	$14	$43.30	$38.79 - $47.95
Q3 2022	364,454	$14,115	$40.12	$36.15 - $43.52
Q2 2022	391,008	$14,573	$40.71	$34.98 - $47.50
Q1 2022	473,928	$20,990	$43.34	$40.80 - $45.32
Q4 2021	402,607	$17,103	$42.02	$37.96 - $45.43
Q3 2021	443,115	$19,227	$44.24	$40.93 - $46.29
Q2 2021	293,932	$12,569	$42.07	$38.00 - $44.63
Q1 2021	159,768	$6,175	$37.85	$34.58 - $40.13
Q4 2020	231,914	$8,337	$36.04	$32.99 - $42.13
Q3 2020	286,333	$10,941	$38.53	$33.77 - $42.37
Q2 2020	426,003	$14,957	$36.01	$29.65 - $39.33
Q1 2020	156,331	$5,101	$39.07	$24.10 - $46.13
Q3 2019	81,904	$3,333	$42.37	$39.75 - $43.84
Q2 2019	308,704	$13,268	$38.46	$34.35 - $43.02
Q1 2019	308,704	$11,848	$38.19	$32.73 - $41.00
Q4 2018	18,926	$669	$36.27	$31.56 - $39.44
Q3 2018	162,441	$6,254	$34.93	$32.27 - $39.13
Q2 2018	278,874	$9,119	$30.16	$26.42 - $37.30
Q1 2018	303,939	$8,304	$27.18	$24.84 - $28.90
Q4 2017	376,275	$9,328	$27.58	$24.54 - $29.93
Q3 2017	158,039	$4,610	$27.62	$26.23 - $29.40
Q2 2017	58,755	$1,629	$26.54	$24.29 - $28.51
Q1 2017	58,923	$1,465	$24.32	$21.66 - $25.65
Q4 2016	178,199	$3,854	$21.82	$19.67 - $23.88
Q3 2016	215,838	$5,137	$23.86	$22.95 - $24.79
Q2 2016	99,508	$2,326	$21.63	$18.65 - $23.37
Q1 2016	76,253	$1,434	$17.57	$15.67 - $18.89
Q4 2015	35,724	$659	$17.92	$16.25 - $19.06
Q3 2015	287,260	$4,714	$17.09	$14.18 - $18.11
Q2 2015	206,193	$3,650	$17.87	$17.12 - $18.62
Q1 2015	40,200	$714	$15.80	$13.14 - $18.17
Q4 2014	40,143	$532	$12.78	$11.10 - $13.76
Q2 2014	30,539	$390	$13.00	$12.28 - $13.90
Q1 2014	123,233	$1,666	$13.13	$11.85 - $14.08
Q4 2013	123,233	$1,481	$11.81	$11.12 - $12.48
Q3 2013	49,131	$577	$10.82	$9.05 - $12.16
Q2 2013	58,899	$546	$8.48	$7.07 - $9.75