Question 1

How many shares of ALNY does FMR LLC own?

Accepted Answer

As of 2026-Q2, FMR LLC holds 15M shares of ALNY (ALNYLAM PHARMACEUTICALS INC).

Question 2

What is FMR LLC's ALNY position worth?

Accepted Answer

As of 2026-Q2, FMR LLC's ALNY position is worth $4.5B.

Question 3

Is FMR LLC buying or selling ALNY?

Accepted Answer

In 2026-Q2, FMR LLC increased their ALNY position (+3.0% change in shares).

Question 4

When did FMR LLC first buy ALNY?

Accepted Answer

Based on available 13F filings, FMR LLC first reported a position in ALNY in 2024-Q4. They have held the position across 7 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	15M	+3.0%	$4.5B	0.2%	$301.03	39
2026-Q1	Decreased	14.6M	-8.3%	$4.8B	0.3%	$318.65	0
2025-Q4	Decreased	15.9M	-5.2%	$6.3B	0.3%	$397.25	0
2025-Q3	Increased	16.8M	+6.1%	$7.6B	0.4%	$447.49	41
2025-Q2	Increased	15.8M	+3.2%	$5.2B	0.3%	$322.83	39
2025-Q1	Increased	15.3M	+13.5%	$4.1B	0.3%	$268.46	43
2024-Q4	New	13.5M	-	$3.2B	0.2%	$236.01	53

ALNY7 quarters

ALNY
7 quarters