Dark

ALNY
Alnylam Pharmaceuticals, Inc.
stock NASDAQ

At Close

Jan 23, 2026 3:59:53 PM EST

357.84USD-3.286%(-12.16)1,636,802

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jan 22, 2026 9:17:30 AM EST

369.45USD-0.148%(-0.55)0

After-hours

Jan 23, 2026 4:29:30 PM EST

357.98USD+0.039%(+0.14)14,596

OverviewOptionsHistoricalExchangesShortsMore

open chart

Market Cap

47.29B

CEO

John Maraganore

Headquarters

Cambridge, Massachusetts, USA

Industry

Biotechnology

Next Earnings

Feb 12, 2026 (19d)

REGN MDCO NVS SNY TEVA SRPT IONS ARWR OPK XLV

ALNY Stats

Avg. Vol. 10 Day

1,706,666

Avg. Vol. 30 Day

1,680,077

Employees

749

Market Cap

47,294,104,568

Shares Out.

132,113,818

On/Off Exchange

55%/45%

6 Month Beta

0.34

1 Year Beta

0.88

2 Year Beta

0.79

3 Year Beta

0.67

52 Week Low

205.87

52 Week High

495.55

SMA50

415.32

SMA200

379.31

1 Week

-0.36%

1 Month

-10.21%

3 Month

-22.85%

6 Month

+9.93%

1 Year

+29.92%

2 Year

+88.71%

5 Year

+107.67%

Profile

alnylam is developing an entirely new class of innovative medicines based on a breakthrough discovery in biology known as rna interference, or rnai. with rnai technology, we have the opportunity to treat disease and impact the lives of patients in a fundamentally new way by silencing disease-causing genes upstream of today's medicines.

ALNY Stock Summary

Alnylam Pharmaceuticals, Inc. (NASDAQ:ALNY) stock price today is $357.84, and today's volume is 1,636,802. ALNY is down -3.286% today. The 30 day average volume is 1,680,077. ALNY market cap is 47.29B with 132,113,818 shares outstanding.