BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q4 2025

Shares 115,669 Value ($000) $11 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 171,448 Value ($000) $17 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 228,284 Value ($000) $25 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 223,342 Value ($000) $23 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 225,324 Value ($000) $20 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 255,128 Value ($000) $21 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 405,731 Value ($000) $31 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 446,194 Value ($000) $31 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 514,973 Value ($000) $30 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 469,165 Value ($000) $25 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 348,099 Value ($000) $19 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 391,876 Value ($000) $20 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 429,876 Value ($000) $20 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 486,876 Value ($000) $18,856 Avg Close $40.12 Range $36.15 - $43.52

Q1 2022

Shares 441,544 Value ($000) $19,556 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 557,798 Value ($000) $23,695 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 561,534 Value ($000) $24,365 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 648,034 Value ($000) $27,710 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 709,534 Value ($000) $27,424 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 758,075 Value ($000) $27,253 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 712,325 Value ($000) $27,218 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 715,575 Value ($000) $25,124 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 736,280 Value ($000) $24,025 Avg Close $39.07 Range $24.10 - $46.13

Q4 2019

Shares 599,380 Value ($000) $27,104 Avg Close $41.84 Range $37.65 - $46.62

Q3 2019

Shares 617,680 Value ($000) $25,134 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 611,080 Value ($000) $26,264 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 613,380 Value ($000) $23,541 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 818,848 Value ($000) $28,939 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 839,208 Value ($000) $32,310 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 954,265 Value ($000) $31,205 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 1,025,846 Value ($000) $28,026 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 911,657 Value ($000) $22,600 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 523,080 Value ($000) $15,259 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 150,412 Value ($000) $4,169 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 155,662 Value ($000) $3,871 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 167,662 Value ($000) $3,627 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 176,662 Value ($000) $4,205 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 176,662 Value ($000) $4,129 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 183,062 Value ($000) $3,443 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 183,062 Value ($000) $3,376 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 183,062 Value ($000) $3,004 Avg Close $17.09 Range $14.18 - $18.11

Q2 2015

Shares 183,062 Value ($000) $3,240 Avg Close $17.87 Range $17.12 - $18.62

Q1 2015

Shares 194,562 Value ($000) $3,453 Avg Close $15.80 Range $13.14 - $18.17

Q4 2014

Shares 202,662 Value ($000) $2,685 Avg Close $12.78 Range $11.10 - $13.76

Q3 2014

Shares 201,662 Value ($000) $2,382 Avg Close $12.59 Range $11.76 - $13.34

Q2 2014

Shares 201,662 Value ($000) $2,575 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 219,262 Value ($000) $2,964 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 219,262 Value ($000) $2,636 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 227,662 Value ($000) $2,673 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 248,362 Value ($000) $2,302 Avg Close $8.48 Range $7.07 - $9.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	115,669	$11	$98.04	$90.42 - $105.65
Q3 2025	171,448	$17	$103.56	$95.84 - $109.50
Q2 2025	228,284	$25	$101.18	$85.98 - $107.53
Q1 2025	223,342	$23	$100.70	$88.81 - $107.17
Q4 2024	225,324	$20	$88.03	$80.64 - $91.93
Q3 2024	255,128	$21	$78.83	$71.88 - $84.89
Q2 2024	405,731	$31	$73.20	$66.80 - $77.99
Q1 2024	446,194	$31	$64.30	$57.11 - $68.92
Q4 2023	514,973	$30	$53.38	$48.35 - $58.34
Q3 2023	469,165	$25	$52.45	$49.69 - $55.38
Q2 2023	348,099	$19	$52.23	$49.38 - $54.75
Q1 2023	391,876	$20	$47.13	$44.35 - $50.21
Q4 2022	429,876	$20	$43.30	$38.79 - $47.95
Q3 2022	486,876	$18,856	$40.12	$36.15 - $43.52
Q1 2022	441,544	$19,556	$43.34	$40.80 - $45.32
Q4 2021	557,798	$23,695	$42.02	$37.96 - $45.43
Q3 2021	561,534	$24,365	$44.24	$40.93 - $46.29
Q2 2021	648,034	$27,710	$42.07	$38.00 - $44.63
Q1 2021	709,534	$27,424	$37.85	$34.58 - $40.13
Q4 2020	758,075	$27,253	$36.04	$32.99 - $42.13
Q3 2020	712,325	$27,218	$38.53	$33.77 - $42.37
Q2 2020	715,575	$25,124	$36.01	$29.65 - $39.33
Q1 2020	736,280	$24,025	$39.07	$24.10 - $46.13
Q4 2019	599,380	$27,104	$41.84	$37.65 - $46.62
Q3 2019	617,680	$25,134	$42.37	$39.75 - $43.84
Q2 2019	611,080	$26,264	$38.46	$34.35 - $43.02
Q1 2019	613,380	$23,541	$38.19	$32.73 - $41.00
Q4 2018	818,848	$28,939	$36.27	$31.56 - $39.44
Q3 2018	839,208	$32,310	$34.93	$32.27 - $39.13
Q2 2018	954,265	$31,205	$30.16	$26.42 - $37.30
Q1 2018	1,025,846	$28,026	$27.18	$24.84 - $28.90
Q4 2017	911,657	$22,600	$27.58	$24.54 - $29.93
Q3 2017	523,080	$15,259	$27.62	$26.23 - $29.40
Q2 2017	150,412	$4,169	$26.54	$24.29 - $28.51
Q1 2017	155,662	$3,871	$24.32	$21.66 - $25.65
Q4 2016	167,662	$3,627	$21.82	$19.67 - $23.88
Q3 2016	176,662	$4,205	$23.86	$22.95 - $24.79
Q2 2016	176,662	$4,129	$21.63	$18.65 - $23.37
Q1 2016	183,062	$3,443	$17.57	$15.67 - $18.89
Q4 2015	183,062	$3,376	$17.92	$16.25 - $19.06
Q3 2015	183,062	$3,004	$17.09	$14.18 - $18.11
Q2 2015	183,062	$3,240	$17.87	$17.12 - $18.62
Q1 2015	194,562	$3,453	$15.80	$13.14 - $18.17
Q4 2014	202,662	$2,685	$12.78	$11.10 - $13.76
Q3 2014	201,662	$2,382	$12.59	$11.76 - $13.34
Q2 2014	201,662	$2,575	$13.00	$12.28 - $13.90
Q1 2014	219,262	$2,964	$13.13	$11.85 - $14.08
Q4 2013	219,262	$2,636	$11.81	$11.12 - $12.48
Q3 2013	227,662	$2,673	$10.82	$9.05 - $12.16
Q2 2013	248,362	$2,302	$8.48	$7.07 - $9.75