Question 1

Does Renaissance Technologies own ALXN stock?

Accepted Answer

As of its Q2 2021 13F, Renaissance Technologies held 3,147,521 shares of ALXN (Alexion Pharmaceuticals), worth $578.2M.

Question 2

How many shares of ALXN does Renaissance Technologies own?

Accepted Answer

As of its Q2 2021 13F, Renaissance Technologies held 3,147,521 shares of ALXN (Alexion Pharmaceuticals).

Question 3

What is Renaissance Technologies' ALXN position worth?

Accepted Answer

As of its Q2 2021 13F, Renaissance Technologies' ALXN position was worth $578.2M.

Question 4

When did Renaissance Technologies first buy ALXN?

Accepted Answer

Renaissance Technologies already held ALXN in its Q3 2019 13F, the earliest on record, and listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2021-Q3 Latest	Exited	0	-100.0%	$0	0.0%	—	0
2021-Q2	Decreased	3.1M	-5.4%	$578.2M	0.7%	—	0
2021-Q1	Decreased	3.3M	-19.1%	$508.9M	0.6%	—	0
2020-Q4	Decreased	4.1M	-13.5%	$642.7M	0.7%	—	0
2020-Q3	Increased	4.8M	+6.2%	$544.4M	0.5%	—	47
2020-Q2	Increased	4.5M	+19.0%	$502.8M	0.4%	—	44
2020-Q1	Increased	3.8M	+0.9%	$337.9M	0.3%	—	37
2019-Q4	Increased	3.7M	+30.9%	$403.5M	0.3%	—	47
2019-Q3	First report	2.8M	-	$279.1M	0.2%	—	0

ALXN9 quarters

ALXN
9 quarters