Question 1

How many shares of BSX does MASSACHUSETTS FINANCIAL SERVICES CO /MA/ own?

Accepted Answer

As of 2026-Q2, MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds 24.9M shares of BSX (BOSTON SCIENTIFIC CORP).

Question 2

What is MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s BSX position worth?

Accepted Answer

As of 2026-Q2, MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s BSX position is worth $1.5B.

Question 3

Is MASSACHUSETTS FINANCIAL SERVICES CO /MA/ buying or selling BSX?

Accepted Answer

In 2026-Q2, MASSACHUSETTS FINANCIAL SERVICES CO /MA/ increased their BSX position (+126.1% change in shares).

Question 4

When did MASSACHUSETTS FINANCIAL SERVICES CO /MA/ first buy BSX?

Accepted Answer

Based on available 13F filings, MASSACHUSETTS FINANCIAL SERVICES CO /MA/ first reported a position in BSX in 2019-Q1. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	24.9M	+126.1%	$1.5B	0.5%	$42.68	62
2026-Q1	Increased	11M	+21.0%	$716.9M	0.2%	$62.75	45
2025-Q4	Decreased	9.1M	-12.4%	$866.3M	0.3%	$95.35	0
2025-Q3	Decreased	10.4M	-19.4%	$1B	0.3%	$97.63	0
2025-Q2	Decreased	12.9M	-22.2%	$1.4B	0.4%	$107.41	0
2025-Q1	Decreased	16.5M	-16.0%	$1.7B	0.6%	$100.88	0
2024-Q4	Decreased	19.7M	-23.4%	$1.8B	0.6%	$89.32	0
2024-Q3	Decreased	25.7M	-19.3%	$2.2B	0.6%	$83.80	0
2024-Q2	Decreased	31.8M	-31.8%	$2.4B	0.8%	$77.01	0
2024-Q1	Decreased	46.6M	-18.5%	$3.2B	1.0%	$68.49	0
2023-Q4	Decreased	57.2M	-8.6%	$3.3B	1.1%	$57.81	0
2023-Q3	Decreased	62.5M	-9.6%	$3.3B	1.2%	$52.80	0
2023-Q2	Decreased	69.1M	-13.1%	$3.7B	1.2%	$54.09	0
2023-Q1	Decreased	79.5M	-3.0%	$4B	1.4%	$50.03	0
2022-Q4	Decreased	82M	-2.5%	$3.8B	1.3%	$46.27	0
2022-Q3	Increased	84.1M	+0.6%	$3.3B	1.2%	$38.73	50
2022-Q2	Decreased	83.6M	-0.7%	$3.1B	1.1%	$37.27	0
2022-Q1	Decreased	84.2M	-1.6%	$3.7B	1.1%	$44.29	0
2021-Q4	Increased	85.5M	+2.1%	$3.6B	1.0%	$42.48	46
2021-Q3	Decreased	83.8M	-0.7%	$3.6B	1.1%	$43.39	0
2021-Q2	Increased	84.4M	+2.1%	$3.6B	1.1%	$42.76	51
2021-Q1	Increased	82.7M	+68.6%	$3.2B	1.0%	$38.65	67
2020-Q4	Increased	49M	+13.2%	$1.8B	0.6%	$35.95	51
2020-Q3	Increased	43.3M	+0.7%	$1.7B	0.6%	$38.21	45
2020-Q2	Increased	43M	+44.7%	$1.5B	0.6%	$35.11	61
2020-Q1	Increased	29.7M	+118.9%	$970.2M	0.5%	$32.63	62
2019-Q4	Increased	13.6M	+11.1%	$614.2M	0.2%	$45.22	42
2019-Q3	Increased	12.2M	+5.4%	$497.6M	0.2%	$40.69	40
2019-Q2	Increased	11.6M	+1.9%	$498.8M	0.2%	$42.98	38
2019-Q1	New	11.4M	-	$436.9M	0.2%	$38.38	52

BSX30 quarters

BSX
30 quarters