Question 1

Does Vanguard Group own ALNY stock?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 13,553,932 shares of ALNY (Alnylam Pharmaceuticals), worth $5.4B.

Question 2

How many shares of ALNY does Vanguard Group own?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 13,553,932 shares of ALNY (Alnylam Pharmaceuticals).

Question 3

What is Vanguard Group's ALNY position worth?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group's ALNY position was worth $5.4B.

Question 4

Is Vanguard Group buying or selling ALNY?

Accepted Answer

In Q4 2025, Vanguard Group reduced its ALNY position by 11,520 shares (-0.1%).

Question 5

When did Vanguard Group first buy ALNY?

Accepted Answer

Vanguard Group already held ALNY in its Q3 2024 13F, the earliest on record, and listed it in 6 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Decreased	13.6M	-0.1%	$5.4B	0.1%	$397.65	0
2025-Q3	Increased	13.6M	+2.0%	$6.2B	0.1%	$456.00	33
2025-Q2	Increased	13.3M	+1.8%	$4.3B	0.1%	$326.09	32
2025-Q1	Increased	13.1M	+2.5%	$3.5B	0.1%	$270.02	33
2024-Q4	Increased	12.7M	+0.8%	$3B	0.1%	$235.31	32
2024-Q3	First report	12.6M	-	$3.5B	0.1%	$275.03	0

ALNY6 quarters

ALNY
6 quarters