Ken Fisher Boston Scientific Corp Transaction History

Fisher Asset Management, LLC

$271 Billion
Q3 2025

A detailed history of Ken Fisher (Fisher Asset Management, LLC) transactions in Boston Scientific Corp stock. As of the latest transaction made, Fisher Asset Management, LLC holds 8,461,025 shares of BSX stock, worth $869 Million. This represents 0.3% of its overall portfolio holdings.

Number of Shares

8,461,025

Previous 7,705,384 9.81%

Holding current value

$869 Million

Previous $828 Million 0.19%

% of portfolio

0.3%

Previous 0.33%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	BUY	$97.03 - $108.14 $73.3 Million - $81.7 Million	755,641 Added 9.81%	8,461,025 $826 Million
Q2 2025 Aug 13, 2025	BUY	$89.7 - $107.41 $84.3 Million - $101 Million	939,834 Added 13.89%	7,705,384 $828 Million
Q1 2025 May 14, 2025	BUY	$89.38 - $106.18 $86.2 Million - $102 Million	964,638 Added 16.63%	6,765,550 $683 Million
Q4 2024 Feb 05, 2025	BUY	$83.62 - $91.5 $86 Million - $94.2 Million	1,028,977 Added 21.56%	5,800,912 $518 Million
Q3 2024 Nov 12, 2024	BUY	$72.96 - $84.0 $50.7 Million - $58.3 Million	694,585 Added 17.04%	4,771,935 $400 Million

Q2 2024 Aug 14, 2024	BUY	$67.33 - $77.71 $4.51 Million - $5.21 Million	66,996 Added 1.67%	4,077,350 $314 Million
Q1 2024 May 09, 2024	BUY	$57.6 - $68.62 $1.41 Million - $1.68 Million	24,555 Added 0.62%	4,010,354 $275 Million
Q4 2023 Mar 05, 2024	SELL	$48.64 - $57.81 $369,128 - $438,720	-7,589 Reduced 0.19%	3,985,799 $230 Million
Q4 2023 Feb 06, 2024	BUY	$48.64 - $57.81 $1.12 Million - $1.33 Million	22,946 Added 0.58%	3,993,388 $231 Million
Q3 2023 Nov 13, 2023	BUY	$50.19 - $54.68 $6.5 Million - $7.08 Million	129,469 Added 3.37%	3,970,442 $210 Million
Q2 2023 Dec 12, 2023	SELL	$49.72 - $54.64 $6.52 Million - $7.17 Million	-131,207 Reduced 3.3%	3,839,235 $208 Million
Q2 2023 Aug 08, 2023	BUY	$49.72 - $54.64 $2.57 Million - $2.82 Million	51,613 Added 1.36%	3,840,973 $208 Million
Q1 2023 Dec 12, 2023	SELL	$45.09 - $50.03 $8.23 Million - $9.13 Million	-182,559 Reduced 4.6%	3,787,883 $190 Million
Q1 2023 May 01, 2023	BUY	$45.09 - $50.03 $1.73 Million - $1.92 Million	38,425 Added 1.02%	3,789,360 $190 Million
Q4 2022 Feb 03, 2023	BUY	$39.56 - $47.22 $1.98 Million - $2.36 Million	50,033 Added 1.35%	3,750,935 $174 Million
Q3 2022 Nov 08, 2022	BUY	$36.71 - $109.66 $3.51 Million - $10.5 Million	95,591 Added 2.65%	3,700,902 $143 Million
Q2 2022 Aug 09, 2022	BUY	$35.24 - $47.1 $3.54 Million - $4.73 Million	100,331 Added 2.86%	3,605,311 $134 Million
Q1 2022 May 05, 2022	BUY	$40.9 - $45.1 $5.35 Million - $5.9 Million	130,838 Added 3.88%	3,504,980 $155 Million
Q4 2021 Feb 02, 2022	BUY	$38.07 - $44.87 $3.6 Million - $4.25 Million	94,661 Added 2.89%	3,374,142 $143 Million
Q3 2021 Oct 26, 2021	BUY	$41.23 - $45.88 $5.4 Million - $6.01 Million	131,038 Added 4.16%	3,279,481 $142 Million
Q2 2021 Jul 27, 2021	BUY	$38.58 - $44.24 $4.57 Million - $5.24 Million	118,503 Added 3.91%	3,148,443 $135 Million
Q1 2021 Apr 27, 2021	BUY	$35.27 - $39.67 $4.04 Million - $4.54 Million	114,430 Added 3.92%	3,029,940 $117 Million
Q4 2020 Jan 29, 2021	BUY	$33.15 - $41.97 $3.96 Million - $5.02 Million	119,530 Added 4.28%	2,915,510 $105 Million
Q3 2020 Nov 10, 2020	BUY	$34.44 - $42.23 $2.91 Million - $3.57 Million	84,556 Added 3.12%	2,795,980 $107 Million
Q2 2020 Aug 07, 2020	BUY	$30.19 - $39.11 $17.8 Million - $23 Million	589,237 Added 27.77%	2,711,424 $95.2 Million
Q1 2020 Apr 28, 2020	BUY	$25.83 - $45.71 $54.4 Million - $96.2 Million	2,104,416 Added 11841.85%	2,122,187 $69.2 Million
Q4 2019 Feb 12, 2020	BUY	$37.87 - $45.37 $16,587 - $19,872	438 Added 2.53%	17,771 $804,000
Q3 2019 Oct 29, 2019	BUY	$40.31 - $43.45 $92,269 - $99,457	2,289 Added 15.22%	17,333 $705,000
Q2 2019 Jul 30, 2019	BUY	$34.91 - $42.98 $173,048 - $213,051	4,957 Added 49.14%	15,044 $647,000
Q1 2019 Apr 22, 2019	SELL	$32.91 - $40.75 $9,083 - $11,247	-276 Reduced 2.66%	10,087 $387,000
Q4 2018 Jan 25, 2019	BUY	$31.73 - $39.04 $328,817 - $404,571	10,363 New	10,363 $366,000

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 ...

More about BSX

Track Ken Fisher's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Fisher Asset Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Fisher Asset Management, LLC and Ken Fisher with notifications on news.

Account