BSX Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 0.34%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $70,997,644.15

Boston Scientific Insider Trading History Chart

Boston Scientific Share Price & Price History

^$56.20

▼ -0.648 (-1.14%)

As of 05/5/2026 03:24 PM ET

Days: 30 | 90 | 365

Boston Scientific Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
2/2/2026	Michael F. Mahoney	CEO	Sell	160,901	$93.49	$15,042,634.49	1,411,735
12/1/2025	Arthur C Butcher	EVP	Sell	17,313	$101.55	$1,758,135.15	23,600
11/6/2025	Ellen M. Zane	Director	Sell	12,891	$98.28	$1,266,927.48	24,134
11/3/2025	Joseph Michael Fitzgerald	EVP	Sell	50,000	$99.47	$4,973,500.00	178,342
10/28/2025	Ellen M. Zane	Director	Sell	2,901	$102.24	$296,598.24	24,134
10/27/2025	Ellen M. Zane	Director	Sell	9,990	$101.13	$1,010,288.70	27,035
10/1/2025	Joseph Michael Fitzgerald	EVP	Sell	50,000	$98.47	$4,923,500.00	178,342
9/2/2025	Joseph Michael Fitzgerald	EVP	Sell	50,000	$105.43	$5,271,500.00	178,342
8/1/2025	Arthur C Butcher	EVP	Sell	17,313	$104.63	$1,811,459.19	23,600
8/1/2025	Joseph Michael Fitzgerald	EVP	Sell	50,000	$104.63	$5,231,500.00	178,342
7/29/2025	Yoshiaki Fujimori	Director	Sell	2,901	$106.99	$310,377.99	2,081
7/25/2025	Edward J Ludwig	Director	Sell	4,000	$106.03	$424,120.00	18,479
7/1/2025	Joseph Michael Fitzgerald	EVP	Sell	50,000	$106.97	$5,348,500.00	178,342
6/4/2025	Joseph Michael Fitzgerald	EVP	Sell	56,372	$102.88	$5,799,551.36	178,342
6/2/2025	Michael F. Mahoney	CEO	Sell	164,443	$103.69	$17,051,094.67	1,476,882
5/5/2025	John Bradley Sorenson	EVP	Sell	4,572	$104.54	$477,956.88	18,705
5/1/2025	Arthur C Butcher	EVP	Sell	17,314	$102.06	$1,767,066.84	22,235
5/1/2025	Michael F. Mahoney	CEO	Sell	164,443	$102.48	$16,852,118.64	1,535,706
4/21/2025	Vance R. Brown	SVP	Sell	4,826	$95.09	$458,904.34	36,193
2/24/2025	Jeffrey B Mirviss	EVP	Sell	4,675	$104.25	$487,368.75	28,454
2/19/2025	Daniel J. Brennan	CFO	Sell	67,333	$105.24	$7,086,124.92	225,808
2/18/2025	John Bradley Sorenson	EVP	Sell	2,657	$104.41	$277,417.37	24,294
2/14/2025	John Bradley Sorenson	EVP	Sell	1,201	$106.31	$127,678.31	25,443
2/12/2025	Daniel J. Brennan	CFO	Sell	15,087	$105.07	$1,585,191.09	241,451
2/12/2025	John Bradley Sorenson	EVP	Sell	6,389	$105.06	$671,228.34	24,293
2/11/2025	Edward J Ludwig	Director	Sell	12,000	$105.48	$1,265,760.00	24,398
2/7/2025	John Bradley Sorenson	EVP	Sell	6,528	$104.97	$685,244.16	26,449
2/3/2025	Arthur C Butcher	EVP	Sell	17,313	$101.80	$1,762,463.40	5,502
1/2/2025	John Bradley Sorenson	EVP	Sell	4,119	$90.02	$370,792.38	35,319
12/10/2024	Joseph Michael Fitzgerald	EVP	Sell	20	$89.97	$1,799.40	148,148
12/2/2024	Wendy Carruthers	EVP	Sell	6,983	$90.78	$633,916.74	29,308
11/25/2024	Arthur C Butcher	EVP	Sell	14,010	$89.27	$1,250,672.70	978
11/21/2024	Edward J Ludwig	Director	Sell	4,877	$91.63	$446,879.51	39,398
10/7/2024	Joseph Michael Fitzgerald	EVP	Sell	132,527	$85.00	$11,264,795.00	160,467
10/7/2024	Michael F. Mahoney	CEO	Sell	162,777	$84.63	$13,775,817.51	1,572,096
10/1/2024	Wendy Carruthers	EVP	Sell	6,983	$83.86	$585,594.38	34,748
9/3/2024	Wendy Carruthers	EVP	Sell	6,983	$81.70	$570,511.10	37,468
8/1/2024	Wendy Carruthers	EVP	Sell	6,983	$74.12	$517,579.96	40,188
7/1/2024	Wendy Carruthers	EVP	Sell	6,983	$77.30	$539,785.90	42,908
6/3/2024	Wendy Carruthers	EVP	Sell	6,983	$75.33	$526,029.39	45,628
5/28/2024	Arthur C Butcher	EVP	Sell	14,011	$75.34	$1,055,588.74	20,197
5/10/2024	Eric F. Y. Thepaut	EVP	Sell	12,931	$74.14	$958,704.34	31,422
5/7/2024	Charles J. Dockendorff	Director	Sell	3,946	$72.70	$286,874.20
5/1/2024	John Bradley Sorenson	EVP	Sell	17,587	$71.50	$1,257,470.50	50,638
4/26/2024	Edward J Ludwig	Director	Sell	9,818	$73.29	$719,561.22	41,374
4/1/2024	John Bradley Sorenson	EVP	Sell	16,351	$69.30	$1,133,124.30	50,638
3/1/2024	Wendy Carruthers	EVP	Sell	6,983	$66.35	$463,322.05	53,788
2/23/2024	Wendy Carruthers	EVP	Sell	6,983	$66.89	$467,092.87	56,508
2/20/2024	Daniel J. Brennan	CFO	Sell	13,662	$65.86	$899,779.32	271,542
2/13/2024	Edward J Ludwig	Director	Sell	7,000	$65.03	$455,210.00	41,374
1/12/2024	Joseph Michael Fitzgerald	EVP	Sell	11,660	$60.00	$699,600.00	173,472
1/9/2024	Jeffrey B Mirviss	EVP	Sell	15,172	$59.25	$898,941.00	56,588
1/4/2024	Jeffrey B Mirviss	EVP	Sell	15,000	$58.40	$876,000.00	56,588
12/6/2023	Jeffrey B Mirviss	EVP	Sell	353	$55.03	$19,425.59	56,588
11/6/2023	Michael F. Mahoney	CEO	Sell	113,356	$52.51	$5,952,323.56	1,498,922
10/16/2023	Wendy Carruthers	EVP	Sell	11,671	$49.79	$581,099.09	51,795
10/9/2023	Michael F. Mahoney	CEO	Sell	113,355	$52.09	$5,904,661.95	1,498,922
9/20/2023	Joseph Michael Fitzgerald	EVP	Sell	15,867	$55.00	$872,685.00	197,992
9/15/2023	Wendy Carruthers	EVP	Sell	11,671	$53.95	$629,650.45	57,058
9/12/2023	Michael F. Mahoney	CEO	Sell	113,355	$53.91	$6,110,968.05	1,498,922
8/28/2023	Jeffrey B Mirviss	EVP	Sell	13,971	$53.14	$742,418.94	65,245
8/25/2023	Vance R. Brown	SVP	Sell	15,750	$50.52	$795,690.00	28,578
8/21/2023	Arthur C Butcher	EVP	Sell	6,600	$50.40	$332,640.00	11,396
8/18/2023	Charles J. Dockendorff	Director	Sell	17,079	$50.74	$866,588.46	3,946
8/15/2023	Wendy Carruthers	EVP	Sell	11,671	$51.30	$598,722.30	62,321
7/17/2023	Wendy Carruthers	EVP	Sell	11,671	$52.85	$616,812.35	67,584
6/21/2023	Arthur C Butcher	EVP	Sell	6,697	$53.80	$360,298.60	17,453
6/15/2023	Wendy Carruthers	EVP	Sell	11,671	$53.24	$621,364.04	72,847
5/16/2023	Joseph Michael Fitzgerald	EVP	Sell	63,339	$53.60	$3,394,970.40	213,859

SEC Filings (Institutional Ownership Changes) for Boston Scientific (NYSE:BSX)

89.07% of Boston Scientific stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Boston Scientific Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/5/2026	Harel Insurance Investments & Financial Services Ltd.	2,432	$0.15M	0.0%	-49.7%	0.000%
5/5/2026	MASTERINVEST Kapitalanlage GmbH	40,235	$2.53M	0.3%	-34.4%	0.003%
5/5/2026	SouthState Bank Corp	175,072	$10.99M	0.5%	+4.0%	0.012%
5/5/2026	Sanctuary Advisors LLC	93,395	$5.86M	0.0%	-0.4%	0.006%
5/5/2026	Sigma Planning Corp	7,560	$0.47M	0.0%	-39.5%	0.001%
5/5/2026	Mill Capital Management LLC	149,756	$9.40M	0.7%	+39.6%	0.010%
5/5/2026	Adell Harriman & Carpenter Inc.	30,509	$1.91M	0.1%	-44.7%	0.002%
5/5/2026	Checchi Capital Advisers LLC	11,158	$0.70M	0.0%	+10.2%	0.001%
5/5/2026	Hillsdale Investment Management Inc.	10,150	$0.64M	0.0%	+17.3%	0.001%
5/5/2026	Avantax Planning Partners Inc.	5,242	$0.33M	0.0%	+4.0%	0.000%
5/4/2026	Calamos Wealth Management LLC	17,364	$1.09M	0.0%	-85.2%	0.001%
5/4/2026	Calamos Advisors LLC	817,686	$51.31M	0.2%	-6.2%	0.055%
5/4/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	15,599	$0.98M	0.0%	-33.5%	0.001%
5/4/2026	Bleakley Financial Group LLC	43,694	$2.74M	0.0%	-51.3%	0.003%
5/4/2026	HBW Advisory Services LLC	4,941	$0.31M	0.0%	+24.2%	0.000%
5/4/2026	State of Michigan Retirement System	387,408	$24.31M	0.1%	-0.2%	0.026%
5/4/2026	Principal Financial Group Inc.	1,686,453	$105.83M	0.1%	+0.9%	0.113%
5/4/2026	Chicago Partners Investment Group LLC	13,396	$0.87M	0.0%	+82.6%	0.001%
5/4/2026	AMF Tjanstepension AB	951,982	$59.74M	0.4%	-0.1%	0.064%
5/4/2026	Triglav Investments D.O.O.	29,500	$1.85M	0.1%	+34.1%	0.002%
5/4/2026	J. Safra Sarasin Holding AG	109,029	$6.84M	0.1%	-59.7%	0.007%
5/2/2026	LGT Fund Management Co Ltd.	95,955	$6.02M	0.3%	+61.7%	0.006%
5/2/2026	Trifecta Capital Advisors LLC	48,316	$3.03M	0.5%	-1.6%	0.003%
5/2/2026	Anchor Investment Management LLC	1,795	$0.11M	0.0%	-82.2%	0.000%
5/2/2026	Associated Banc Corp	480,358	$30.14M	0.8%	+28.5%	0.032%
5/2/2026	ARQ Wealth Advisors LLC	6,500	$0.41M	0.1%	N/A	0.000%
5/2/2026	Diversify Wealth Management LLC	12,735	$0.73M	0.0%	+96.7%	0.001%
5/1/2026	180 Wealth Advisors LLC	6,468	$0.41M	0.0%	+3.6%	0.000%
5/1/2026	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	345,459	$21.68M	0.1%	+0.2%	0.023%
5/1/2026	Cullinan Associates Inc.	23,799	$1.49M	0.1%	+91.9%	0.002%
5/1/2026	Citizens Financial Group Inc. RI	19,137	$1.20M	0.0%	+15.8%	0.001%
5/1/2026	Midwest Trust Co	9,849	$0.62M	0.0%	-2.6%	0.001%
5/1/2026	Fifth Third Bancorp	532,886	$33.44M	0.1%	+76.2%	0.036%
5/1/2026	Darwin Wealth Management LLC	23,714	$1.49M	0.5%	+45.7%	0.002%
5/1/2026	Simplicity Wealth LLC	17,920	$1.12M	0.1%	+1.6%	0.001%
5/1/2026	Candriam S.C.A.	1,261,461	$79.16M	0.4%	+11.6%	0.085%
5/1/2026	Conning Inc.	6,778	$0.43M	0.0%	-14.3%	0.000%
5/1/2026	Sequoia Financial Advisors LLC	48,236	$3.03M	0.0%	+1.4%	0.003%
5/1/2026	Independence Bank of Kentucky	9,252	$0.58M	0.1%	+36.1%	0.001%
5/1/2026	Kornitzer Capital Management Inc. KS	10,537	$0.66M	0.0%	+61.2%	0.001%
5/1/2026	DMC Group LLC	7,721	$0.48M	0.3%	-7.0%	0.001%
4/30/2026	Costello Asset Management INC	54,018	$3.39M	1.2%	-6.8%	0.004%
4/30/2026	Equitable Trust Co.	12,912	$0.81M	0.0%	N/A	0.001%
4/30/2026	Hsbc Holdings PLC	3,399,703	$212.74M	0.1%	-5.6%	0.229%
4/30/2026	Whipplewood Advisors LLC	681	$43K	0.0%	+1,791.7%	0.000%
4/30/2026	First Horizon Corp	8,594	$0.54M	0.0%	+3.2%	0.001%
4/30/2026	Kestra Advisory Services LLC	211,458	$13.27M	0.1%	+2.6%	0.014%
4/30/2026	Azzad Asset Management Inc. ADV	21,858	$1.37M	0.1%	-1.0%	0.001%
4/30/2026	Granite Investment Partners LLC	60,473	$3.80M	0.2%	+1.7%	0.004%
4/30/2026	Sumitomo Mitsui Trust Group Inc.	3,422,813	$214.78M	0.1%	-1.0%	0.230%
4/30/2026	Resona Asset Management Co. Ltd.	464,125	$29.14M	0.1%	+2.0%	0.031%
4/30/2026	WPG Advisers LLC	1,916	$0.12M	0.1%	+11.9%	0.000%
4/30/2026	Capstone Capital Management Ltd	41,209	$2.59M	2.5%	+576.3%	0.003%
4/30/2026	Personal CFO Solutions LLC	4,939	$0.31M	0.0%	-45.6%	0.000%
4/30/2026	DSM Capital Partners LLC	564,349	$35.41M	0.6%	+11,846.4%	0.038%
4/30/2026	Frank Rimerman Advisors LLC	20,258	$1.27M	0.1%	-1.4%	0.001%
4/29/2026	Penobscot Investment Management Company Inc.	17,212	$1.08M	0.1%	-68.1%	0.001%
4/29/2026	Childress Capital Advisors LLC	3,802	$0.24M	0.0%	-43.2%	0.000%
4/29/2026	Montag A & Associates Inc.	3,280	$0.21M	0.0%	-80.9%	0.000%
4/29/2026	Renasant Bank	9,155	$0.57M	0.4%	N/A	0.001%
4/29/2026	Navalign LLC	10,535	$0.66M	0.2%	+4.1%	0.001%
4/29/2026	McLaughlin Asset Management Inc.	18,458	$1.16M	1.1%	+198.4%	0.001%
4/29/2026	Jackson Thornton Wealth Management LLC	4,179	$0.26M	0.0%	N/A	0.000%
4/29/2026	AK Global Asset Management LLC	20,325	$1.28M	1.2%	+30.6%	0.001%
4/29/2026	R Squared Ltd	9,963	$0.63M	0.3%	-67.6%	0.001%
4/29/2026	Resonant Capital Advisors LLC	7,487	$0.47M	0.0%	+23.6%	0.001%
4/29/2026	Clare Market Investments LLC	10,050	$0.63M	0.1%	N/A	0.001%
4/29/2026	Burney Co.	10,809	$0.68M	0.0%	-23.3%	0.001%
4/29/2026	Swedbank AB	1,259,158	$79.01M	0.1%	-63.3%	0.085%
4/29/2026	Integrated Advisors Network LLC	7,122	$0.45M	0.0%	-5.5%	0.000%
4/29/2026	Shelton Wealth Management LLC	4,144	$0.26M	0.1%	-66.5%	0.000%
4/29/2026	Schear Investment Advisers LLC	39,882	$2.50M	1.1%	+45.0%	0.003%
4/28/2026	Kathmere Capital Management LLC	3,420	$0.22M	0.0%	-34.6%	0.000%
4/28/2026	Whittier Trust Co. of Nevada Inc.	130,931	$8.20M	0.2%	+5,054.8%	0.009%
4/28/2026	Whittier Trust Co.	328,226	$20.54M	0.2%	+5,311.8%	0.022%
4/28/2026	Ascentis Independent Advisors	10,782	$0.68M	0.1%	-12.2%	0.001%
4/28/2026	Stephens Inc. AR	12,971	$0.81M	0.0%	-28.5%	0.001%
4/28/2026	Argus Investors Counsel Inc.	25,712	$1.61M	1.4%	-4.0%	0.002%
4/28/2026	Raleigh Capital Management Inc.	5,826	$0.37M	0.1%	+36.2%	0.000%
4/28/2026	GM Advisory Group LLC	4,493	$0.28M	0.0%	+17.6%	0.000%
4/28/2026	K.J. Harrison & Partners Inc	4,066	$0.26M	0.0%	-91.3%	0.000%
4/28/2026	NBT Bank N A NY	2,911	$0.18M	0.0%	-13.7%	0.000%
4/28/2026	Kepler Cheuvreux Suisse SA	17,109	$1.07M	0.1%	N/A	0.001%
4/28/2026	FUKOKU MUTUAL LIFE INSURANCE Co	7,455	$0.47M	0.0%	-7.7%	0.001%
4/28/2026	Private Wealth Partners LLC	197,086	$12.37M	1.0%	+0.4%	0.013%
4/28/2026	Koshinski Asset Management Inc.	7,935	$0.50M	0.0%	-21.4%	0.001%
4/28/2026	V Square Quantitative Management LLC	9,377	$0.59M	0.1%	+13.0%	0.001%
4/28/2026	Evolution Wealth Management Inc.	883	$55K	0.0%	+120.8%	0.000%
4/28/2026	QRG Capital Management Inc.	163,765	$10.28M	0.1%	+0.8%	0.011%
4/27/2026	Simplify Asset Management Inc.	11,324	$0.71M	0.0%	-27.2%	0.001%
4/27/2026	HB Wealth Management LLC	56,687	$3.56M	0.0%	+13.7%	0.004%
4/27/2026	Moran Wealth Management LLC	132,336	$8.30M	0.3%	-27.4%	0.009%
4/27/2026	Counterpoint Mutual Funds LLC	4,016	$0.25M	0.0%	-23.9%	0.000%
4/27/2026	Osborne Partners Capital Management LLC	82,511	$5.18M	0.3%	N/A	0.006%
4/27/2026	PFG Investments LLC	17,394	$1.09M	0.1%	+40.9%	0.001%
4/27/2026	BIP Wealth LLC	5,228	$0.33M	0.0%	-23.3%	0.000%
4/27/2026	Baer Investment Advisory LLC	3,437	$0.22M	0.0%	N/A	0.000%
4/27/2026	World Investment Advisors	17,994	$1.13M	0.0%	-7.1%	0.001%
4/27/2026	Turtle Creek Wealth Advisors LLC	7,839	$0.49M	0.0%	+11.4%	0.001%
4/27/2026	New York State Teachers Retirement System	1,205,249	$75.63M	0.2%	-0.2%	0.081%

Data available starting January 2016

Boston Scientific Corporation develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide. It operates through two segments, MedSurg and Cardiovascular. The company offers devices to diagnose and treat gastrointestinal and pulmonary conditions, such as resolution clips, biliary stent systems, stents and electrocautery enhanced delivery systems, direct visualization systems, digital catheters, and single-use duodenoscopes; devices to treat urological conditions, including ureteral stents, catheters, baskets, guidewires, sheaths, balloons, single-use digital flexible ureteroscopes, holmium laser systems, artificial urinary sphincter, laser system, fiber, and hydrogel systems; and devices to treat neurological movement disorders and manage chronic pain, such as spinal cord stimulator system, proprietary programming software, radiofrequency generator, indirect decompression systems, practice optimization tools, and deep brain stimulation system. It also provides technologies for diagnosing and treating coronary artery disease and aortic valve conditions; WATCHMAN FLX, a Left Atrial Appendage Closure Device; and implantable devices that monitor the heart and deliver electricity to treat cardiac abnormalities, such as cardioverter and cardiac resynchronization therapy defibrillators, MRI S-ICD systems, cardiac resynchronization therapy pacemakers, quadripolar LV leads, ICD leads, pacing leads, remote patient management systems, insertable cardiac monitor systems, and remote cardiac monitoring systems. In addition, the company offers diagnosis and treatment of rate and rhythm disorders of the heart; peripheral arterial and venous diseases; and products to diagnose, treat and ease forms of cancer. The company was incorporated in 1979 and is headquartered in Marlborough, Massachusetts.

Today's Range

Now: $56.20

$55.88

$57.01

50 Day Range

MA: $67.06

$57.22

$76.68

52 Week Range

Now: $56.20

$55.88

$109.50

Volume

7,984,310 shs

Average Volume

16,339,664 shs

Market Capitalization

$83.53 billion

P/E Ratio

23.53

Dividend Yield

N/A

Beta

0.62

Who are the company insiders with the largest holdings of Boston Scientific?: Boston Scientific's top insider shareholders include:
Michael F Mahoney (CEO)
Michael F Mahoney (Chairman)
Michael F Mahoney (CEO)
Ernest Mario (Director)
Timothy A Pratt (EVP)
Timothy A Pratt (EVP)
Daniel J Brennan (CFO)
Joseph Michael Fitzgerald (EVP)
Wendy Carruthers (SVP)
Jeffrey B Mirviss (EVP)
Learn More about top insider investors at Boston Scientific.
Who are the major institutional investors of Boston Scientific?: Boston Scientific's top institutional shareholders include:
Assenagon Asset Management S.A. — 0.68%
Pictet Asset Management Holding SA — 0.34%
Sumitomo Mitsui Trust Group Inc. — 0.23%
Hsbc Holdings PLC — 0.23%
Principal Financial Group Inc. — 0.11%
Candriam S.C.A. — 0.08%
Learn More about top institutional investors of Boston Scientific stock.
Which major investors are selling Boston Scientific stock?: In the last quarter, BSX stock was sold by these institutional investors:
Swedbank AB
Hsbc Holdings PLC
Janney Montgomery Scott LLC
J. Safra Sarasin Holding AG
Braun Stacey Associates Inc.
ABN AMRO Bank N.V.
Strs Ohio
Calamos Wealth Management LLC
Within the last year, company insiders that have sold Boston Scientific company stock include:
Michael F Mahoney (CEO)
Joseph Michael Fitzgerald (EVP)
Ellen M Zane (Director)
Arthur C Butcher (EVP)
John Bradley Sorenson (EVP)
Edward J Ludwig (Director)
Yoshiaki Fujimori (Director)
Learn More investors selling Boston Scientific stock.
Which major investors are buying Boston Scientific stock?: During the last quarter, BSX stock was acquired by institutional investors including:
Assenagon Asset Management S.A.
Pictet Asset Management Holding SA
DSM Capital Partners LLC
SG Americas Securities LLC
Fisher Funds Management LTD
Y Intercept Hong Kong Ltd
Border to Coast Pensions Partnership Ltd
Whittier Trust Co.