Alnylam Pharmaceuticals

CIK 0001178670 · ALNY Nasdaq

SIC
2834 · Pharmaceutical Preparations
Type
Operating
Status
Public
Filer
Large accelerated filer
FY End
Dec 31

Alnylam Pharmaceuticals is a global commercial-stage biopharmaceutical company pioneering RNA interference (RNAi) therapeutics — a new class of medicines using small interfering RNA (siRNA) to silence disease-causing genes upstream of protein production. Founded in 2002, the company has delivered six first-in-class approved medicines and launched its "Alnylam 2030" strategy in early 2026 targeting TTR franchise market leadership, 25%+ revenue CAGR through 2030, ~30% non-GAAP operating margin, 10 tissue delivery types, and 40+ clinical programs.

Approved Products (6)

AMVUTTRA (vutrisiran) is a GalNAc-ESC+ conjugate RNAi therapeutic administered subcutaneously quarterly. It received FDA approval in 2022 for hATTR amyloidosis with polyneuropathy (hATTR-PN) and an FDA sNDA approval in March 2025 for ATTR cardiomyopathy (ATTR-CM). The EC approved AMVUTTRA for ATTR-CM in June 2025, with additional approvals in Japan, UK, Brazil, and Canada. ONPATTRO (patisiran) is the first-ever FDA-approved RNAi therapeutic (2018), administered IV via lipid nanoparticle (LNP), approved for hATTR-PN in the...

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AI-generated summary of Item 1 (Business) from the 10-K filed Feb 12, 2026 — View filing on SEC.gov. May contain errors — refer to the filing for authoritative information.

Across SEC filings

Institutional holders · 13F

Q2 2026
797 managers reported a position for Q2 2026 Unchanged vs Q1 2026
Largest Q2 2026 Form 13F holders of Alnylam Pharmaceuticals by reported value
Largest holders Reported value
FMR LLC $4.5B
Capital World Investors $3.4B
BlackRock Inc $3.3B
Capital Research Global Investors $2.9B
VANGUARD PORTFOLIO MANAGEMENT LLC $2.0B

5%+ holders · 13D/G

5 filers
Schedule 13D and 13G filers reporting a stake of 5% or more
Filer % of class Filed
FMR LLC 13G 9.5% 2026-11-05
VANGUARD PORTFOLIO MANAGEMENT LLC 13G 5.0% 2026-10-30
Capital Research Global Investors 13G 7.1% 2026-05-14
Capital World Investors 13G 8.2% 2026-05-14
VANGUARD CAPITAL MANAGEMENT LLC 13G 5.4% 2026-04-29

Latest Schedule 13D or 13G from each filer; stakes a filer has reported closed are left out.

Federal lobbying · LD-2

$2.1M reported spend, four quarters through Q3 2026

Insider trades · Form 4

-$44M net open-market insider transactions, last 12 months 0 filings with purchases ($0), 26 filings with sales ($44M)

Latest filings

Annual results · 10-K

Fiscal 2025
Revenue
$3.7B
Net income
$313.7M

As reported in the fiscal 2025 annual report.

Funds & ETFs · N-PORT

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Securities

Securities issued by this company
CUSIP Security Type
02043Q107 ALNY ALNYLAM PHARMACEUTICALS INC Common stock
02043QAB3 ALNY 1 09/15/27 ALNYLAM PHARMACEUTICALS INC Bond

Latest SEC filings

All filings →
Latest SEC filings by Alnylam Pharmaceuticals
Form Description Filed
SCHEDULE 13G/A SCHEDULE 13G/A 2026-11-05
8-K Current Report 2026-11-05
SCHEDULE 13G SCHEDULE 13G 2026-10-30
10-Q Quarterly Report 2026-10-29
8-K Current Report 2026-10-29
4 PRIMARY DOCUMENT 2026-10-06
144 144 2026-10-02
4 PRIMARY DOCUMENT 2026-09-22
10-Q Quarterly Report 2026-07-30
8-K Current Report 2026-07-30
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Quality is a Plus feature

See why the score is what it is — the score history and the full test-by-test breakdown behind the composite.

Valuation is a Premium feature

What this company is worth versus its price — fair value at today's bond rate, margin of safety, and the Graham Number against the institutional consensus price.

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