Question 1

Does Arrowstreet Capital own BSX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Arrowstreet Capital holds 23,293,913 shares of BSX (Boston Scientific), worth $994.2M.

Question 2

How many shares of BSX does Arrowstreet Capital own?

Accepted Answer

As of its Q2 2026 13F, Arrowstreet Capital holds 23,293,913 shares of BSX (Boston Scientific).

Question 3

What is Arrowstreet Capital's BSX position worth?

Accepted Answer

As of its Q2 2026 13F, Arrowstreet Capital's BSX position is worth $994.2M.

Question 4

Is Arrowstreet Capital buying or selling BSX?

Accepted Answer

In Q2 2026, Arrowstreet Capital increased its BSX position by 9,402,245 shares (+67.7%).

Question 5

When did Arrowstreet Capital first buy BSX?

Accepted Answer

Arrowstreet Capital already held BSX in its Q4 2018 13F, the earliest on record, and has listed it in 27 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	23.3M	+67.7%	$994.2M	0.4%	$42.68	56
2026-Q1	Increased	13.9M	+25.9%	$871.7M	0.5%	$62.75	47
2025-Q4	Increased	11M	+31.9%	$1.1B	0.6%	$95.35	57
2025-Q3	Increased	8.4M	+28.1%	$816.9M	0.5%	$97.63	56
2025-Q2	Decreased	6.5M	-3.3%	$701.4M	0.5%	$107.41	0
2025-Q1	Increased	6.8M	+20.8%	$681.4M	0.6%	$100.88	53
2024-Q4	Increased	5.6M	+9.5%	$499.5M	0.4%	$89.32	41
2024-Q3	Increased	5.1M	+6.0%	$427.8M	0.4%	$83.80	40

BSXShowing 8 of 29 quarters

BSX
Showing 8 of 29 quarters