Question 1

Does Two Sigma own BSX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Two Sigma holds 19,359,023 shares of BSX (Boston Scientific), worth $826.2M.

Question 2

How many shares of BSX does Two Sigma own?

Accepted Answer

As of its Q2 2026 13F, Two Sigma holds 19,359,023 shares of BSX (Boston Scientific).

Question 3

What is Two Sigma's BSX position worth?

Accepted Answer

As of its Q2 2026 13F, Two Sigma's BSX position is worth $826.2M.

Question 4

Is Two Sigma buying or selling BSX?

Accepted Answer

In Q2 2026, Two Sigma increased its BSX position by 9,947,792 shares (+105.7%).

Question 5

When did Two Sigma first buy BSX?

Accepted Answer

Two Sigma already held BSX in its Q4 2018 13F, the earliest on record, and has listed it in 28 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	19.4M	+105.7%	$826.2M	0.6%	$42.68	72
2026-Q1	Increased	9.4M	+280.8%	$590.6M	0.5%	$62.75	61
2025-Q4	Decreased	2.5M	-2.4%	$235.6M	0.3%	$95.35	0
2025-Q3	Increased	2.5M	+2.6%	$247.2M	0.4%	$97.63	38
2025-Q2	Increased	2.5M	+1.1%	$264.9M	0.5%	$107.41	37
2025-Q1	Increased	2.4M	+229.0%	$246.2M	0.5%	$100.88	70
2024-Q4	Decreased	741,847	-35.7%	$66.3M	0.1%	$89.32	0
2024-Q3	Decreased	1.2M	-37.8%	$96.6M	0.2%	$83.80	0

BSXShowing 8 of 30 quarters

BSX
Showing 8 of 30 quarters