BOSTON SCIENTIFIC CORP

Ticker: BSX CUSIP: 101137107 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 344,824 Value ($000) $32,879 Avg Close $98.04 Range $90.42 - $105.65

Q3 2025

Shares 355,823 Value ($000) $34,739 Avg Close $103.56 Range $95.84 - $109.50

Q2 2025

Shares 362,842 Value ($000) $38,973 Avg Close $101.18 Range $85.98 - $107.53

Q1 2025

Shares 337,045 Value ($000) $34,001 Avg Close $100.70 Range $88.81 - $107.17

Q4 2024

Shares 313,380 Value ($000) $27,991 Avg Close $88.03 Range $80.64 - $91.93

Q3 2024

Shares 320,577 Value ($000) $26,864 Avg Close $78.83 Range $71.88 - $84.89

Q2 2024

Shares 322,926 Value ($000) $24,869 Avg Close $73.20 Range $66.80 - $77.99

Q1 2024

Shares 321,607 Value ($000) $22,027 Avg Close $64.30 Range $57.11 - $68.92

Q4 2023

Shares 320,646 Value ($000) $18,537 Avg Close $53.38 Range $48.35 - $58.34

Q3 2023

Shares 294,408 Value ($000) $15,545 Avg Close $52.45 Range $49.69 - $55.38

Q2 2023

Shares 250,739 Value ($000) $13,562 Avg Close $52.23 Range $49.38 - $54.75

Q1 2023

Shares 242,812 Value ($000) $12,148 Avg Close $47.13 Range $44.35 - $50.21

Q4 2022

Shares 242,109 Value ($000) $11 Avg Close $43.30 Range $38.79 - $47.95

Q3 2022

Shares 209,401 Value ($000) $8,110 Avg Close $40.12 Range $36.15 - $43.52

Q2 2022

Shares 208,145 Value ($000) $7,758 Avg Close $40.71 Range $34.98 - $47.50

Q1 2022

Shares 190,668 Value ($000) $8,445 Avg Close $43.34 Range $40.80 - $45.32

Q4 2021

Shares 178,862 Value ($000) $7,598 Avg Close $42.02 Range $37.96 - $45.43

Q3 2021

Shares 178,433 Value ($000) $7,742 Avg Close $44.24 Range $40.93 - $46.29

Q2 2021

Shares 178,025 Value ($000) $7,612 Avg Close $42.07 Range $38.00 - $44.63

Q1 2021

Shares 177,241 Value ($000) $6,850 Avg Close $37.85 Range $34.58 - $40.13

Q4 2020

Shares 178,921 Value ($000) $6,432 Avg Close $36.04 Range $32.99 - $42.13

Q3 2020

Shares 132,558 Value ($000) $5,065 Avg Close $38.53 Range $33.77 - $42.37

Q2 2020

Shares 81,694 Value ($000) $2,868 Avg Close $36.01 Range $29.65 - $39.33

Q1 2020

Shares 89,048 Value ($000) $2,906 Avg Close $39.07 Range $24.10 - $46.13

Q4 2019

Shares 89,757 Value ($000) $4,059 Avg Close $41.84 Range $37.65 - $46.62

Q3 2019

Shares 89,261 Value ($000) $3,632 Avg Close $42.37 Range $39.75 - $43.84

Q2 2019

Shares 81,641 Value ($000) $3,509 Avg Close $38.46 Range $34.35 - $43.02

Q1 2019

Shares 81,027 Value ($000) $3,110 Avg Close $38.19 Range $32.73 - $41.00

Q4 2018

Shares 75,492 Value ($000) $2,668 Avg Close $36.27 Range $31.56 - $39.44

Q3 2018

Shares 113,484 Value ($000) $4,369 Avg Close $34.93 Range $32.27 - $39.13

Q2 2018

Shares 144,441 Value ($000) $4,723 Avg Close $30.16 Range $26.42 - $37.30

Q1 2018

Shares 123,029 Value ($000) $3,361 Avg Close $27.18 Range $24.84 - $28.90

Q4 2017

Shares 122,829 Value ($000) $3,045 Avg Close $27.58 Range $24.54 - $29.93

Q3 2017

Shares 111,591 Value ($000) $3,255 Avg Close $27.62 Range $26.23 - $29.40

Q2 2017

Shares 101,738 Value ($000) $2,820 Avg Close $26.54 Range $24.29 - $28.51

Q1 2017

Shares 101,142 Value ($000) $2,515 Avg Close $24.32 Range $21.66 - $25.65

Q4 2016

Shares 78,058 Value ($000) $1,688 Avg Close $21.82 Range $19.67 - $23.88

Q3 2016

Shares 77,716 Value ($000) $1,850 Avg Close $23.86 Range $22.95 - $24.79

Q2 2016

Shares 108,641 Value ($000) $2,539 Avg Close $21.63 Range $18.65 - $23.37

Q1 2016

Shares 100,058 Value ($000) $1,882 Avg Close $17.57 Range $15.67 - $18.89

Q4 2015

Shares 87,889 Value ($000) $1,621 Avg Close $17.92 Range $16.25 - $19.06

Q3 2015

Shares 86,349 Value ($000) $1,417 Avg Close $17.09 Range $14.18 - $18.11

Q2 2015

Shares 150,549 Value ($000) $2,665 Avg Close $17.87 Range $17.12 - $18.62

Q1 2015

Shares 152,637 Value ($000) $2,709 Avg Close $15.80 Range $13.14 - $18.17

Q4 2014

Shares 242,034 Value ($000) $3,207 Avg Close $12.78 Range $11.10 - $13.76

Q3 2014

Shares 243,132 Value ($000) $2,871 Avg Close $12.59 Range $11.76 - $13.34

Q2 2014

Shares 242,252 Value ($000) $3,094 Avg Close $13.00 Range $12.28 - $13.90

Q1 2014

Shares 253,703 Value ($000) $3,430 Avg Close $13.13 Range $11.85 - $14.08

Q4 2013

Shares 254,851 Value ($000) $3,063 Avg Close $11.81 Range $11.12 - $12.48

Q3 2013

Shares 274,254 Value ($000) $3,220 Avg Close $10.82 Range $9.05 - $12.16

Q2 2013

Shares 274,704 Value ($000) $2,547 Avg Close $8.48 Range $7.07 - $9.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	344,824	$32,879	$98.04	$90.42 - $105.65
Q3 2025	355,823	$34,739	$103.56	$95.84 - $109.50
Q2 2025	362,842	$38,973	$101.18	$85.98 - $107.53
Q1 2025	337,045	$34,001	$100.70	$88.81 - $107.17
Q4 2024	313,380	$27,991	$88.03	$80.64 - $91.93
Q3 2024	320,577	$26,864	$78.83	$71.88 - $84.89
Q2 2024	322,926	$24,869	$73.20	$66.80 - $77.99
Q1 2024	321,607	$22,027	$64.30	$57.11 - $68.92
Q4 2023	320,646	$18,537	$53.38	$48.35 - $58.34
Q3 2023	294,408	$15,545	$52.45	$49.69 - $55.38
Q2 2023	250,739	$13,562	$52.23	$49.38 - $54.75
Q1 2023	242,812	$12,148	$47.13	$44.35 - $50.21
Q4 2022	242,109	$11	$43.30	$38.79 - $47.95
Q3 2022	209,401	$8,110	$40.12	$36.15 - $43.52
Q2 2022	208,145	$7,758	$40.71	$34.98 - $47.50
Q1 2022	190,668	$8,445	$43.34	$40.80 - $45.32
Q4 2021	178,862	$7,598	$42.02	$37.96 - $45.43
Q3 2021	178,433	$7,742	$44.24	$40.93 - $46.29
Q2 2021	178,025	$7,612	$42.07	$38.00 - $44.63
Q1 2021	177,241	$6,850	$37.85	$34.58 - $40.13
Q4 2020	178,921	$6,432	$36.04	$32.99 - $42.13
Q3 2020	132,558	$5,065	$38.53	$33.77 - $42.37
Q2 2020	81,694	$2,868	$36.01	$29.65 - $39.33
Q1 2020	89,048	$2,906	$39.07	$24.10 - $46.13
Q4 2019	89,757	$4,059	$41.84	$37.65 - $46.62
Q3 2019	89,261	$3,632	$42.37	$39.75 - $43.84
Q2 2019	81,641	$3,509	$38.46	$34.35 - $43.02
Q1 2019	81,027	$3,110	$38.19	$32.73 - $41.00
Q4 2018	75,492	$2,668	$36.27	$31.56 - $39.44
Q3 2018	113,484	$4,369	$34.93	$32.27 - $39.13
Q2 2018	144,441	$4,723	$30.16	$26.42 - $37.30
Q1 2018	123,029	$3,361	$27.18	$24.84 - $28.90
Q4 2017	122,829	$3,045	$27.58	$24.54 - $29.93
Q3 2017	111,591	$3,255	$27.62	$26.23 - $29.40
Q2 2017	101,738	$2,820	$26.54	$24.29 - $28.51
Q1 2017	101,142	$2,515	$24.32	$21.66 - $25.65
Q4 2016	78,058	$1,688	$21.82	$19.67 - $23.88
Q3 2016	77,716	$1,850	$23.86	$22.95 - $24.79
Q2 2016	108,641	$2,539	$21.63	$18.65 - $23.37
Q1 2016	100,058	$1,882	$17.57	$15.67 - $18.89
Q4 2015	87,889	$1,621	$17.92	$16.25 - $19.06
Q3 2015	86,349	$1,417	$17.09	$14.18 - $18.11
Q2 2015	150,549	$2,665	$17.87	$17.12 - $18.62
Q1 2015	152,637	$2,709	$15.80	$13.14 - $18.17
Q4 2014	242,034	$3,207	$12.78	$11.10 - $13.76
Q3 2014	243,132	$2,871	$12.59	$11.76 - $13.34
Q2 2014	242,252	$3,094	$13.00	$12.28 - $13.90
Q1 2014	253,703	$3,430	$13.13	$11.85 - $14.08
Q4 2013	254,851	$3,063	$11.81	$11.12 - $12.48
Q3 2013	274,254	$3,220	$10.82	$9.05 - $12.16
Q2 2013	274,704	$2,547	$8.48	$7.07 - $9.75