How many employees does Alnylam Pharmaceuticals, Inc. have?

Alnylam Pharmaceuticals, Inc. reported 2,500 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 12, 2026. That is up 12.1% from a year earlier.

What is Alnylam Pharmaceuticals, Inc.'s revenue per employee?

Alnylam Pharmaceuticals, Inc. brought in $3.71B of revenue in fiscal Dec 2025, which is $1.49M per employee. That ranks 9 of 39 companies we track in Biotechnology, where the median is $602K.

Is Alnylam Pharmaceuticals, Inc. hiring?

Alnylam Pharmaceuticals, Inc.'s public job board listed 115 open roles on October 7, 2026, about 46 per 1,000 staff.

Where do these numbers come from?

Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Company data

Alnylam Pharmaceuticals, Inc. employees and revenue per employee

ALNY · Biotechnology · $29.4B market cap

Alnylam Pharmaceuticals, Inc. had 2,500 employees at the end of fiscal Dec 2025, up 12.1% from a year earlier. Revenue for the year was $3.71B, up 65.2% from a year earlier, or $1.49M per employee. Revenue and headcount both grew, and revenue grew faster.

Employees

2,500

+12.1% YoY

Revenue

$3.71B

+65.2% YoY

Revenue / employee

$1.49M

Peer median $602K

Rank in industry

9 of 39

Biotechnology

Open roles

115

46 per 1,000 staff

Headcount against revenue

Both lines start at 100 in the first year we hold, so you can see which one grew faster.

EmployeesRevenueIndexed to 100 in Dec 2016

Hover a year for the numbers.

ALNY employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	2,500	$3.71B	$1.49M	+12.1%	+65.2%
Dec 2024	2,230	$2.25B	$1.01M	+6.2%	+23.0%
Dec 2023	2,100	$1.83B	$871K	+4.9%	+76.2%
Dec 2022	2,002	$1.04B	$518K	+20.2%	+22.9%
Dec 2021	1,665	$844M	$507K	+14.6%	+71.3%
Dec 2020	1,453	$493M	$339K	+9.8%	+124.3%
Dec 2019	1,323	$220M	$166K	+24.2%	+193.4%
Dec 2018	1,065	$74.9M	$70K	+42.2%	-16.7%
Dec 2017	749	$89.9M	$120K	+45.7%	+90.7%
Dec 2016	514	$47.2M	$92K	—	—

Open roles on its job board: 115 (46 per 1,000 staff, against its latest annual headcount), as of 2026-10-07. Tracked since 2026-10-03. No 90 day change yet.

Employees, last six fiscal years

Revenue per employee, last six fiscal years

Alnylam Pharmaceuticals, Inc. against similar companies

The closest industry peers by revenue, from Biotechnology.

Company	Employees	Revenue	Revenue / employee	Shape
UTHR United Therapeutics Corporation	1,400	$3.18B	$2.27M	Efficient growth
EXEL Exelixis, Inc.	1,077	$2.32B	$2.15M	Leaner
INCY Incyte Corporation	2,844	$5.14B	$1.81M	Efficient growth
PTCT PTC Therapeutics, Inc.	991	$1.73B	$1.75M	Efficient growth
ALNY Alnylam Pharmaceuticals, Inc.	2,500	$3.71B	$1.49M	Efficient growth
NBIX Neurocrine Biosciences, Inc.	2,000	$2.86B	$1.43M	Efficient growth
BMRN BioMarin Pharmaceutical Inc.	3,221	$3.22B	$1.00M	Efficient growth
MRNA Moderna, Inc.	4,700	$1.94B	$414K	Contracting
FTRE Fortrea Holdings Inc.	14,300	$2.72B	$190K	Leaner

Every Healthcare company

Questions about Alnylam Pharmaceuticals, Inc.

How many employees does Alnylam Pharmaceuticals, Inc. have?: Alnylam Pharmaceuticals, Inc. reported 2,500 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 12, 2026. That is up 12.1% from a year earlier.
What is Alnylam Pharmaceuticals, Inc.'s revenue per employee?: Alnylam Pharmaceuticals, Inc. brought in $3.71B of revenue in fiscal Dec 2025, which is $1.49M per employee. That ranks 9 of 39 companies we track in Biotechnology, where the median is $602K.
Is Alnylam Pharmaceuticals, Inc. hiring?: Alnylam Pharmaceuticals, Inc.'s public job board listed 115 open roles on October 7, 2026, about 46 per 1,000 staff.
Where do these numbers come from?: Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

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Source: employee counts and revenue as stated in Alnylam Pharmaceuticals, Inc.'s annual reports (Form 10-K), latest filed February 12, 2026. This is data, not a recommendation to buy or sell ALNY.