Main Street Research LLC

Position in BSX — Boston Scientific Corp

CIK 1513211 SAUSALITO, CA

Position in BSX

as of Mar 31, 2026 · filed Apr 30, 2026 Compact

Position Value

$376,060

-$198,233 QoQ

Shares Held

5,993

-0.5% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2023

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Main Street Research LLC holds $1,074,300 across 4 Medical Devices names.

#	Ticker	Company	Shares	Value (USD)
1	SYK	Stryker Corp	1,221	$384,419
2	PACB	Pacific Biosciences Of California, Inc.	152,100	$255,528
3	ABT	Abbott Laboratories	2,493	$226,214
4	PHG	Koninklijke Philips NV	7,655	$208,139

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$376,060	5,993	-0.5%	Shares	Sole	2026-04-30
2025-12-31	$574,293	6,023	-6.6%	Shares	Sole	2026-02-09
2025-09-30	$629,322	6,446	-98.3%	Shares	Sole	2025-11-13
2025-06-30	$40,954,681	381,293	+2.3%	Shares	Sole	2025-08-05
2025-03-31	$37,605,542	372,775	+4808.2%	Shares	Sole	2025-04-30
2024-12-31	$678,385	7,595	-1.8%	Shares	Sole	2025-02-07
2024-09-30	$648,360	7,737	+2.1%	Shares	Sole	2024-11-12
2024-06-30	$583,427	7,576	+2.3%	Shares	Sole	2024-07-29
2024-03-31	$507,236	7,406	-15.5%	Shares	Sole	2024-05-01
2023-12-31	$506,878	8,768	0.0%	Shares	Sole	2024-01-30
2023-09-30	$462,950	8,768	0.0%	Shares	Sole	2023-11-03
2023-06-30	$474,261	8,768	-16.0%	Shares	Sole	2023-08-08
2023-03-31	$522,513	10,444	—	Shares	Sole	2023-05-01
No filing history on record for this holder in this stock.