Does FMR own ALNY stock?

Yes. As of its Q2 2026 13F, FMR holds 15,023,962 shares of ALNY (Alnylam Pharmaceuticals), worth $4.5B.

How many shares of ALNY does FMR own?

As of its Q2 2026 13F, FMR holds 15,023,962 shares of ALNY (Alnylam Pharmaceuticals).

As of its Q2 2026 13F, FMR's ALNY position is worth $4.5B.

In Q2 2026, FMR increased its ALNY position by 444,796 shares (+3.1%).

FMR already held ALNY in its Q3 2019 13F, the earliest on record, and has listed it in 28 quarterly 13F filings.

Position history for FMR LLC's holdings in ALNYLAM PHARMACEUTICALS INC

Current Value

$4.5B

Current Shares

15M

Total Value Change

+$3.2B

Total Shares Change

-1.7M

Quarter-by-Quarter History

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%	$330.87	0
2025-Q4	Decreased	15.9M	-5.2%	$6.3B	0.3%	$397.65	0
2025-Q3	Increased	16.8M	+6.1%	$7.6B	0.4%	$456.00	41
2025-Q2	Increased	15.8M	+3.2%	$5.2B	0.3%	$326.09	39
2025-Q1	Increased	15.3M	+13.5%	$4.1B	0.3%	$270.02	43
2024-Q4	Decreased	13.5M	-8.1%	$3.2B	0.2%	$235.31	0
2024-Q3	Increased	14.7M	+20.6%	$4B	0.2%	$275.03	45
2024-Q2	Increased	12.2M	+22.0%	$3B	0.2%	$243.00	46
2024-Q1	Decreased	10M	-3.3%	$1.5B	0.1%	$149.45	0
2023-Q4	Decreased	10.3M	-8.6%	$2B	0.2%	$191.41	0
2023-Q3	Decreased	11.3M	-9.7%	$2B	0.2%	$177.10	0
2023-Q2	Decreased	12.5M	-5.2%	$2.4B	0.2%	$189.94	0
2023-Q1	Decreased	13.2M	-2.5%	$2.6B	0.2%	$200.32	0
2022-Q4	Increased	13.5M	+4.3%	$3.2B	0.3%	$237.65	40
2022-Q3	Decreased	12.9M	-9.6%	$2.6B	0.3%	$200.16	0
2022-Q2	Decreased	14.3M	-10.7%	$2.1B	0.2%	$145.85	0
2022-Q1	Decreased	16M	-10.6%	$2.6B	0.2%	$163.29	0
2021-Q4	Increased	17.9M	+0.6%	$3B	0.2%	$169.58	38
2021-Q3	Increased	17.8M	+1.1%	$3.4B	0.3%	$188.81	38
2021-Q2	Increased	17.6M	+0.5%	$3B	0.2%	$169.52	38
2021-Q1	Increased	17.5M	+9.1%	$2.5B	0.2%	$141.19	42
2020-Q4	Decreased	16.1M	-2.3%	$2.1B	0.2%	$129.97	0
2020-Q3	Decreased	16.5M	-3.5%	$2.4B	0.2%	$145.60	0
2020-Q2	Increased	17.1M	+1.6%	$2.5B	0.3%	$148.11	39
2020-Q1	Increased	16.8M	+0.5%	$1.8B	0.3%	$108.85	38
2019-Q4	Increased	16.7M	+0.2%	$1.9B	0.2%	$115.17	38
2019-Q3	First report	16.7M	-	$1.3B	0.2%	$80.42	0