BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025

Shares 111,639 Value ($000) $10,645 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 123,992 Value ($000) $12,105 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 125,199 Value ($000) $13,448 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 126,582 Value ($000) $12,770 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 129,325 Value ($000) $11,551 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 120,290 Value ($000) $10,080 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 103,324 Value ($000) $7,957 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 44,463 Value ($000) $3,045 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 49,613 Value ($000) $2,868 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 52,713 Value ($000) $2,783 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 59,373 Value ($000) $3,211 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 63,873 Value ($000) $3,196 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 66,573 Value ($000) $3,080 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 69,673 Value ($000) $2,698 Avg Close $40.12 Range $36.15 - $43.52

Q2 2022

Shares 71,473 Value ($000) $2,664 Avg Close $40.71 Range $34.98 - $47.50

Q1 2022

Shares 71,073 Value ($000) $3,148 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 80,783 Value ($000) $3,432 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 78,283 Value ($000) $3,397 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 68,118 Value ($000) $2,913 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 68,398 Value ($000) $2,644 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 71,648 Value ($000) $2,576 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 78,748 Value ($000) $3,009 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 84,431 Value ($000) $2,964 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 103,331 Value ($000) $3,372 Avg Close $39.07 Range $24.10 - $46.13

Q4 2019

Shares 120,781 Value ($000) $5,462 Avg Close $41.84 Range $37.65 - $46.62

Q3 2019

Shares 161,114 Value ($000) $6,556 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 176,814 Value ($000) $7,599 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 210,314 Value ($000) $8,072 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 227,214 Value ($000) $8,030 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 237,764 Value ($000) $9,154 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 312,064 Value ($000) $10,204 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 331,409 Value ($000) $9,054 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 452,909 Value ($000) $11,228 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 527,859 Value ($000) $15,398 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 551,059 Value ($000) $15,275 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 625,559 Value ($000) $15,558 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 653,146 Value ($000) $14,128 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 673,046 Value ($000) $16,018 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 687,746 Value ($000) $16,073 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 796,046 Value ($000) $14,974 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 821,746 Value ($000) $15,153 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 846,846 Value ($000) $13,897 Avg Close $17.09 Range $14.18 - $18.11

Q2 2015

Shares 963,296 Value ($000) $17,050 Avg Close $17.87 Range $17.12 - $18.62

Q1 2015

Shares 1,317,796 Value ($000) $23,391 Avg Close $15.80 Range $13.14 - $18.17

Q4 2014

Shares 1,650,446 Value ($000) $21,868 Avg Close $12.78 Range $11.10 - $13.76

Q3 2014

Shares 1,704,036 Value ($000) $20,125 Avg Close $12.59 Range $11.76 - $13.34

Q2 2014

Shares 1,785,836 Value ($000) $22,805 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 2,099,005 Value ($000) $28,379 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 2,201,305 Value ($000) $26,460 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 2,234,905 Value ($000) $26,238 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 2,539,505 Value ($000) $23,541 Avg Close $8.48 Range $7.07 - $9.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	111,639	$10,645	$98.04	$90.42 - $105.65
Q3 2025	123,992	$12,105	$103.56	$95.84 - $109.50
Q2 2025	125,199	$13,448	$101.18	$85.98 - $107.53
Q1 2025	126,582	$12,770	$100.70	$88.81 - $107.17
Q4 2024	129,325	$11,551	$88.03	$80.64 - $91.93
Q3 2024	120,290	$10,080	$78.83	$71.88 - $84.89
Q2 2024	103,324	$7,957	$73.20	$66.80 - $77.99
Q1 2024	44,463	$3,045	$64.30	$57.11 - $68.92
Q4 2023	49,613	$2,868	$53.38	$48.35 - $58.34
Q3 2023	52,713	$2,783	$52.45	$49.69 - $55.38
Q2 2023	59,373	$3,211	$52.23	$49.38 - $54.75
Q1 2023	63,873	$3,196	$47.13	$44.35 - $50.21
Q4 2022	66,573	$3,080	$43.30	$38.79 - $47.95
Q3 2022	69,673	$2,698	$40.12	$36.15 - $43.52
Q2 2022	71,473	$2,664	$40.71	$34.98 - $47.50
Q1 2022	71,073	$3,148	$43.34	$40.80 - $45.32
Q4 2021	80,783	$3,432	$42.02	$37.96 - $45.43
Q3 2021	78,283	$3,397	$44.24	$40.93 - $46.29
Q2 2021	68,118	$2,913	$42.07	$38.00 - $44.63
Q1 2021	68,398	$2,644	$37.85	$34.58 - $40.13
Q4 2020	71,648	$2,576	$36.04	$32.99 - $42.13
Q3 2020	78,748	$3,009	$38.53	$33.77 - $42.37
Q2 2020	84,431	$2,964	$36.01	$29.65 - $39.33
Q1 2020	103,331	$3,372	$39.07	$24.10 - $46.13
Q4 2019	120,781	$5,462	$41.84	$37.65 - $46.62
Q3 2019	161,114	$6,556	$42.37	$39.75 - $43.84
Q2 2019	176,814	$7,599	$38.46	$34.35 - $43.02
Q1 2019	210,314	$8,072	$38.19	$32.73 - $41.00
Q4 2018	227,214	$8,030	$36.27	$31.56 - $39.44
Q3 2018	237,764	$9,154	$34.93	$32.27 - $39.13
Q2 2018	312,064	$10,204	$30.16	$26.42 - $37.30
Q1 2018	331,409	$9,054	$27.18	$24.84 - $28.90
Q4 2017	452,909	$11,228	$27.58	$24.54 - $29.93
Q3 2017	527,859	$15,398	$27.62	$26.23 - $29.40
Q2 2017	551,059	$15,275	$26.54	$24.29 - $28.51
Q1 2017	625,559	$15,558	$24.32	$21.66 - $25.65
Q4 2016	653,146	$14,128	$21.82	$19.67 - $23.88
Q3 2016	673,046	$16,018	$23.86	$22.95 - $24.79
Q2 2016	687,746	$16,073	$21.63	$18.65 - $23.37
Q1 2016	796,046	$14,974	$17.57	$15.67 - $18.89
Q4 2015	821,746	$15,153	$17.92	$16.25 - $19.06
Q3 2015	846,846	$13,897	$17.09	$14.18 - $18.11
Q2 2015	963,296	$17,050	$17.87	$17.12 - $18.62
Q1 2015	1,317,796	$23,391	$15.80	$13.14 - $18.17
Q4 2014	1,650,446	$21,868	$12.78	$11.10 - $13.76
Q3 2014	1,704,036	$20,125	$12.59	$11.76 - $13.34
Q2 2014	1,785,836	$22,805	$13.00	$12.28 - $13.90
Q1 2014	2,099,005	$28,379	$13.13	$11.85 - $14.08
Q4 2013	2,201,305	$26,460	$11.81	$11.12 - $12.48
Q3 2013	2,234,905	$26,238	$10.82	$9.05 - $12.16
Q2 2013	2,539,505	$23,541	$8.48	$7.07 - $9.75