ALNY Alnylam Pharmaceuticals, Inc.
Stock · NasdaqGS · United States · Healthcare · US02043Q1076
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Price history
Daily prices in USD.
Updated 06 Nov 2026 14:13. Information, not advice.
Prices by day, week and month
| Period | Opening price | High | Low | Closing price | Change | Volume | Dividend |
|---|---|---|---|---|---|---|---|
| 21 Jan 2026 | 353.01 | 366.00 | 351.55 | 365.46 | +2.79% | 1,523,500 | |
| 20 Jan 2026 | 350.70 | 355.74 | 347.77 | 355.53 | -1.04% | 1,722,600 | |
| 16 Jan 2026 | 362.29 | 367.20 | 355.46 | 359.27 | +0.00% | 1,527,400 | |
| 15 Jan 2026 | 368.54 | 372.82 | 356.83 | 359.26 | -2.07% | 911,200 | |
| 14 Jan 2026 | 369.95 | 371.71 | 359.95 | 366.86 | -0.84% | 1,250,000 | |
| 13 Jan 2026 | 369.10 | 376.88 | 366.92 | 369.96 | -0.26% | 1,625,700 | |
| 12 Jan 2026 | 377.82 | 378.61 | 353.52 | 370.91 | -6.87% | 3,808,000 | |
| 09 Jan 2026 | 399.40 | 409.58 | 392.56 | 398.29 | -0.28% | 1,440,200 | |
| 08 Jan 2026 | 420.18 | 425.19 | 393.48 | 399.40 | -5.47% | 1,400,700 | |
| 07 Jan 2026 | 405.51 | 427.05 | 405.51 | 422.50 | +3.96% | 1,426,100 | |
| 06 Jan 2026 | 396.23 | 409.18 | 384.42 | 406.40 | +2.15% | 1,612,900 | |
| 05 Jan 2026 | 397.57 | 400.00 | 383.84 | 397.83 | -0.58% | 1,093,900 | |
| 02 Jan 2026 | 399.34 | 407.22 | 396.08 | 400.17 | +0.63% | 730,500 | |
| 31 Dec 2025 | 397.25 | 402.44 | 397.25 | 397.65 | +0.10% | 768,900 | |
| 30 Dec 2025 | 394.81 | 398.40 | 393.64 | 397.25 | -0.39% | 504,800 | |
| 29 Dec 2025 | 400.10 | 402.72 | 397.05 | 398.82 | -0.44% | 638,400 | |
| 26 Dec 2025 | 404.58 | 404.58 | 397.31 | 400.59 | -0.02% | 401,500 | |
| 24 Dec 2025 | 395.99 | 401.47 | 395.05 | 400.69 | +0.50% | 408,200 | |
| 23 Dec 2025 | 404.72 | 407.43 | 395.99 | 398.70 | -2.21% | 792,300 | |
| 22 Dec 2025 | 409.60 | 413.59 | 403.20 | 407.73 | +1.87% | 1,053,000 | |
| 19 Dec 2025 | 399.11 | 408.15 | 395.97 | 400.23 | +1.06% | 12,576,500 | |
| 18 Dec 2025 | 394.49 | 404.19 | 391.51 | 396.04 | +1.00% | 1,715,000 | |
| 17 Dec 2025 | 394.18 | 400.24 | 389.00 | 392.10 | +0.24% | 1,041,500 | |
| 16 Dec 2025 | 390.65 | 399.64 | 388.54 | 391.17 | -0.08% | 1,345,500 | |
| 15 Dec 2025 | 394.22 | 402.33 | 390.00 | 391.50 | -1.52% | 1,483,300 |
Prices in USD, adjusted for splits but not for dividends. Weeks run Monday to Friday and months follow the calendar; the change compares each close with the previous period's. Dividends are those whose ex-dividend date falls in the period, per share. Information, not advice.
Key data
- Previous close
- 161.08 USD
- Market cap
- 21.0B
- Exchange
- NasdaqGS
- Country
- United States
- Sector
- Healthcare
- Industry
- Biotechnology
- Currency
- USD
Dividends
No dividends on record.
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