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 |
|---|---|---|---|---|---|---|---|
| 23 Jul 2025 | 325.28 | 329.34 | 322.30 | 325.64 | +0.11% | 912,200 | |
| 22 Jul 2025 | 321.57 | 326.30 | 320.18 | 325.28 | +1.49% | 1,273,700 | |
| 21 Jul 2025 | 324.98 | 328.70 | 320.26 | 320.52 | 0.00% | 744,500 | |
| 18 Jul 2025 | 325.62 | 325.62 | 317.88 | 320.53 | -1.28% | 581,300 | |
| 17 Jul 2025 | 321.20 | 329.87 | 321.06 | 324.69 | +0.58% | 744,600 | |
| 16 Jul 2025 | 314.52 | 323.41 | 311.26 | 322.81 | +3.76% | 1,234,200 | |
| 15 Jul 2025 | 316.90 | 316.90 | 309.57 | 311.12 | -1.47% | 927,200 | |
| 14 Jul 2025 | 314.94 | 319.18 | 313.76 | 315.75 | +0.26% | 629,600 | |
| 11 Jul 2025 | 321.12 | 321.12 | 312.96 | 314.94 | -2.39% | 1,081,900 | |
| 10 Jul 2025 | 322.47 | 324.82 | 319.15 | 322.64 | +0.55% | 489,400 | |
| 09 Jul 2025 | 316.87 | 322.68 | 313.74 | 320.87 | +1.06% | 1,039,500 | |
| 08 Jul 2025 | 324.13 | 328.99 | 315.81 | 317.50 | -2.05% | 973,000 | |
| 07 Jul 2025 | 328.24 | 328.24 | 314.10 | 324.13 | -2.34% | 1,294,500 | |
| 03 Jul 2025 | 330.00 | 333.70 | 327.88 | 331.91 | +0.65% | 431,200 | |
| 02 Jul 2025 | 319.62 | 330.00 | 319.40 | 329.77 | +2.39% | 967,700 | |
| 01 Jul 2025 | 324.77 | 326.64 | 315.03 | 322.06 | -1.24% | 1,240,100 | |
| 30 Jun 2025 | 324.77 | 327.21 | 320.57 | 326.09 | +1.01% | 943,600 | |
| 27 Jun 2025 | 317.33 | 323.20 | 315.14 | 322.83 | +1.44% | 2,052,200 | |
| 26 Jun 2025 | 324.93 | 325.00 | 315.00 | 318.25 | -1.15% | 663,900 | |
| 25 Jun 2025 | 323.51 | 324.32 | 320.71 | 321.94 | -0.94% | 632,600 | |
| 24 Jun 2025 | 316.51 | 326.03 | 309.96 | 325.00 | +3.79% | 1,000,000 | |
| 23 Jun 2025 | 310.60 | 314.78 | 308.46 | 313.13 | +1.11% | 503,100 | |
| 20 Jun 2025 | 313.00 | 314.50 | 308.78 | 309.70 | -0.84% | 1,336,700 | |
| 18 Jun 2025 | 309.17 | 317.54 | 306.70 | 312.32 | +1.17% | 981,200 | |
| 17 Jun 2025 | 305.12 | 309.06 | 303.31 | 308.71 | -0.02% | 570,600 |
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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