Sei Investments CO Boston Scientific Corp Transaction History

Sei Investments CO

$89.6 Billion
Q3 2025

A detailed history of Sei Investments CO transactions in Boston Scientific Corp stock. As of the latest transaction made, Sei Investments CO holds 2,294,400 shares of BSX stock, worth $236 Million. This represents 0.25% of its overall portfolio holdings.

Number of Shares

2,294,400

Previous 2,513,464 8.72%

Holding current value

$236 Million

Previous $270 Million 17.03%

% of portfolio

0.25%

Previous 0.33%

36 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$97.03 - $108.14 $21.3 Million - $23.7 Million	-219,064 Reduced 8.72%	2,294,400 $224 Million
Q2 2025 Aug 14, 2025	SELL	$89.7 - $107.41 $66.9 Million - $80.1 Million	-746,140 Reduced 22.89%	2,513,464 $270 Million
Q1 2025 May 14, 2025	SELL	$89.38 - $106.18 $31.6 Million - $37.5 Million	-353,520 Reduced 9.78%	3,259,604 $329 Million
Q1 2025 May 13, 2025	SELL	$89.38 - $106.18 $371,373 - $441,177	-4,155 Reduced 0.11%	3,613,124 $364 Million
Q4 2024 Feb 11, 2025	SELL	$83.62 - $91.5 $33.4 Million - $36.5 Million	-399,196 Reduced 9.94%	3,617,279 $323 Million

Q3 2024 Nov 12, 2024	SELL	$72.96 - $84.0 $50.6 Million - $58.3 Million	-693,791 Reduced 14.73%	4,016,475 $337 Million
Q2 2024 Aug 13, 2024	BUY	$67.33 - $77.71 $9.25 Million - $10.7 Million	137,397 Added 3.0%	4,710,266 $363 Million
Q1 2024 May 07, 2024	SELL	$57.6 - $68.62 $178,156 - $212,241	-3,093 Reduced 0.07%	4,572,869 $313 Million
Q4 2023 Feb 14, 2024	SELL	$48.64 - $57.81 $15.2 Million - $18 Million	-311,889 Reduced 6.38%	4,575,962 $265 Million
Q3 2023 Nov 14, 2023	BUY	$50.19 - $54.68 $1.69 Million - $1.84 Million	33,588 Added 0.69%	4,887,851 $258 Million
Q2 2023 Aug 11, 2023	BUY	$49.72 - $54.64 $29.7 Million - $32.7 Million	597,940 Added 14.05%	4,854,263 $263 Million
Q1 2023 May 12, 2023	BUY	$45.09 - $50.03 $10.7 Million - $11.8 Million	236,280 Added 5.88%	4,256,323 $213 Million
Q4 2022 Feb 10, 2023	SELL	$39.56 - $47.22 $4.18 Million - $4.99 Million	-105,752 Reduced 2.56%	4,020,043 $186 Million
Q3 2022 Nov 14, 2022	BUY	$36.71 - $109.66 $1.36 Million - $4.08 Million	37,175 Added 0.91%	4,125,795 $160 Million
Q2 2022 Aug 15, 2022	BUY	$35.24 - $47.1 $17.7 Million - $23.7 Million	502,725 Added 14.02%	4,088,620 $152 Million
Q1 2022 May 13, 2022	SELL	$40.9 - $45.1 $24.4 Million - $26.9 Million	-595,456 Reduced 14.24%	3,585,895 $159 Million
Q4 2021 Feb 14, 2022	SELL	$38.07 - $44.87 $688,724 - $811,743	-18,091 Reduced 0.43%	4,181,351 $178 Million
Q3 2021 Nov 12, 2021	SELL	$41.23 - $45.88 $20.7 Million - $23 Million	-501,007 Reduced 10.66%	4,199,442 $182 Million
Q2 2021 Aug 06, 2021	SELL	$38.58 - $44.24 $7 Million - $8.03 Million	-181,448 Reduced 3.72%	4,700,449 $201 Million
Q1 2021 May 12, 2021	BUY	$35.27 - $39.67 $15.2 Million - $17.1 Million	430,789 Added 9.68%	4,881,897 $188 Million
Q4 2020 Feb 08, 2021	BUY	$33.15 - $41.97 $1.32 Million - $1.68 Million	39,917 Added 0.9%	4,451,108 $160 Million
Q3 2020 Dec 04, 2020	SELL	$34.44 - $42.23 $1.38 Million - $1.7 Million	-40,183 Reduced 0.9%	4,411,191 $169 Million
Q3 2020 Nov 06, 2020	BUY	$34.44 - $42.23 $44.9 Million - $55.1 Million	1,304,925 Added 41.47%	4,451,374 $170 Million
Q2 2020 Aug 17, 2020	SELL	$30.19 - $39.11 $17.6 Million - $22.8 Million	-583,548 Reduced 15.64%	3,146,449 $110 Million
Q2 2020 Aug 11, 2020	BUY	$30.19 - $39.11 $26.4 Million - $34.2 Million	874,951 Added 30.65%	3,729,997 $167 Million
Q1 2020 May 14, 2020	SELL	$25.83 - $45.71 $22.8 Million - $40.3 Million	-881,348 Reduced 23.59%	2,855,046 $93.2 Million
Q4 2019 Feb 06, 2020	BUY	$37.87 - $45.37 $6.85 Million - $8.2 Million	180,797 Added 5.08%	3,736,394 $169 Million
Q3 2019 Nov 12, 2019	BUY	$40.31 - $43.45 $991,142 - $1.07 Million	24,588 Added 0.7%	3,555,597 $145 Million
Q2 2019 Aug 14, 2019	SELL	$34.91 - $42.98 $14.5 Million - $17.8 Million	-415,128 Reduced 10.52%	3,531,009 $152 Million
Q1 2019 May 15, 2019	BUY	$32.91 - $40.75 $4.01 Million - $4.97 Million	121,931 Added 3.19%	3,946,137 $151 Million
Q4 2018 Feb 13, 2019	BUY	$31.73 - $39.04 $885,838 - $1.09 Million	27,918 Added 0.74%	3,824,206 $147 Million
Q3 2018 Nov 08, 2018	SELL	$32.83 - $38.63 $1.89 Million - $2.22 Million	-57,565 Reduced 1.49%	3,796,288 $146 Million
Q2 2018 Aug 03, 2018	BUY	$26.84 - $34.32 $7.48 Million - $9.57 Million	278,777 Added 7.8%	3,853,853 $126 Million
Q1 2018 May 11, 2018	SELL	$25.2 - $28.54 $8.04 Million - $9.1 Million	-318,944 Reduced 8.19%	3,575,076 $97.7 Million
Q4 2017 Feb 08, 2018	SELL	$24.79 - $29.8 $40.1 Million - $48.2 Million	-1,616,628 Reduced 29.34%	3,894,020 $96.5 Million
Q3 2017 Nov 06, 2017	BUY	$26.26 - $29.17 $145 Million - $161 Million	5,510,648	5,510,648 $161 Million

Others Institutions Holding BSX

# of Institutions

1,951

Shares Held

1.26B

Call Options Held

10.8M

Put Options Held

8.94M

View Full List

About BOSTON SCIENTIFIC CORP

Ticker BSX
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 1,431,609,984
Market Cap $147B
Description
Boston Scientific Corporation develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide. It operates through three segments: MedSurg, Rhythm and Neuro, and Cardiovascular. The company offers devices to diagnose and treat gastrointestinal and pulmonary conditions; devices to treat various ...

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Sei Investments CO Boston Scientific Corp Transaction History