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 Video: Compound Annual Growth Rate (CAGR) Definition
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| Date |
Open |
High |
Low |
Close |
Volume |
| 02/26/2026 |
$328.67 |
$333.47 |
$322.00 |
$331.24 |
880.30K | | 02/27/2026 |
$331.24 |
$334.80 |
$328.39 |
$332.92 |
1.57M | | 03/02/2026 |
$329.41 |
$334.42 |
$323.16 |
$325.07 |
1.30M | | 03/03/2026 |
$321.37 |
$324.06 |
$315.20 |
$318.65 |
947.60K | | 03/04/2026 |
$319.20 |
$328.00 |
$317.25 |
$327.30 |
931.10K |
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| Alnylam Pharmaceuticals, Inc. is a biopharmaceutical company focused on RNA interference (RNAi) therapeutics. Its marketed products include AMVUTTRA for hereditary transthyretin-mediated amyloidosis with polyneuropathy, ONPATTRO for polyneuropathy of hATTR amyloidosis, GIVLAARI for acute hepatic porphyria, OXLUMO for primary hyperoxaluria type 1, and Leqvio, developed with Novartis, for hypercholesterolemia or mixed dyslipidemia. The company also develops treatments for complement-mediated diseases, alpha-1 liver disease, and other conditions, including Cemdisiran, Belcesiran, Elebsiran, Zilebesiran, ALN-APP, ALN-HSD, and Fitusiran. | |
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Alnylam Pharmaceuticals (ALNY) has the following price history information. Looking back at ALNY historical stock prices for the last five trading days, on February 26, 2026, ALNY opened at $328.67, traded as high as $333.47 and as low as $322.00, and closed at $331.24. Trading volume was a total of 880.30K shares. On February 27, 2026, ALNY opened at $331.24, traded as high as $334.80 and as low as $328.39, and closed at $332.92. Trading volume was a total of 1.57M shares. On March 02, 2026, ALNY opened at $329.41, traded as high as $334.42 and as low as $323.16, and closed at $325.07. Trading volume was a total of 1.30M shares. On March 03, 2026, ALNY opened at $321.37, traded as high as $324.06 and as low as $315.20, and closed at $318.65. Trading volume was a total of 947.60K shares. On March 04, 2026, ALNY opened at $319.20, traded as high as $328.00 and as low as $317.25, and closed at $327.30. Trading volume was a total of 931.10K shares.
ALNY Historical Stock Prices By Date:
Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alnylam Pharmaceuticals shares, starting with a $10,000 purchase of ALNY, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
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| Start date: |
03/08/2016 |
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| End date: |
03/04/2026 |
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| Start price/share: |
$57.53 |
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| End price/share: |
$327.30 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
468.92% |
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| Average Annual Total Return: |
19.00% |
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| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$56,892.58 |
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| Years: |
9.99 |
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| Date |
Close |
| 02/26/2026 | $331.24 | | 02/27/2026 | $332.92 | | 03/02/2026 | $325.07 | | 03/03/2026 | $318.65 | | 03/04/2026 | $327.30 |
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