Stocks · Health care · Pharmaceutical Preparations

ALNYLAM PHARMACEUTICALS, INC.

ALNY Clue Score70
United States Fiscal year ends December CIK 0001178670
232.68
+3.63%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
232.68 on 9 Oct 2026
491 348 205 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $464.95 14 Oct 2025 $469.36 15 Oct 2025 $470.27 16 Oct 2025 $481.07 17 Oct 2025 $481.67 20 Oct 2025 $491.22 21 Oct 2025 $474.00 22 Oct 2025 $464.90 23 Oct 2025 $464.00 24 Oct 2025 $463.43 27 Oct 2025 $478.58 28 Oct 2025 $475.91 29 Oct 2025 $481.59 30 Oct 2025 $449.56 31 Oct 2025 $456.04 3 Nov 2025 $434.07 4 Nov 2025 $423.47 5 Nov 2025 $434.56 6 Nov 2025 $440.49 7 Nov 2025 $442.70 10 Nov 2025 $441.70 11 Nov 2025 $451.95 12 Nov 2025 $452.74 13 Nov 2025 $453.97 14 Nov 2025 $449.16 17 Nov 2025 $460.54 18 Nov 2025 $462.30 19 Nov 2025 $460.76 20 Nov 2025 $445.79 21 Nov 2025 $436.38 24 Nov 2025 $434.23 25 Nov 2025 $429.80 26 Nov 2025 $445.12 28 Nov 2025 $451.23 1 Dec 2025 $454.56 2 Dec 2025 $464.93 3 Dec 2025 $473.29 4 Dec 2025 $465.34 5 Dec 2025 $458.12 8 Dec 2025 $430.02 9 Dec 2025 $415.21 10 Dec 2025 $404.46 11 Dec 2025 $412.63 12 Dec 2025 $397.55 15 Dec 2025 $391.50 16 Dec 2025 $391.17 17 Dec 2025 $392.10 18 Dec 2025 $396.04 19 Dec 2025 $400.23 22 Dec 2025 $407.73 23 Dec 2025 $398.70 24 Dec 2025 $400.69 26 Dec 2025 $400.59 29 Dec 2025 $398.82 30 Dec 2025 $397.25 31 Dec 2025 $397.65 2 Jan 2026 $400.17 5 Jan 2026 $397.83 6 Jan 2026 $406.40 7 Jan 2026 $422.50 8 Jan 2026 $399.40 9 Jan 2026 $398.29 12 Jan 2026 $370.91 13 Jan 2026 $369.96 14 Jan 2026 $366.86 15 Jan 2026 $359.26 16 Jan 2026 $359.27 20 Jan 2026 $355.53 21 Jan 2026 $365.46 22 Jan 2026 $370.00 23 Jan 2026 $357.98 26 Jan 2026 $361.35 27 Jan 2026 $354.75 28 Jan 2026 $349.58 29 Jan 2026 $346.79 30 Jan 2026 $338.06 2 Feb 2026 $339.11 3 Feb 2026 $351.80 4 Feb 2026 $351.96 5 Feb 2026 $331.24 6 Feb 2026 $328.16 9 Feb 2026 $320.00 10 Feb 2026 $322.98 11 Feb 2026 $322.28 12 Feb 2026 $308.48 13 Feb 2026 $314.40 17 Feb 2026 $332.61 18 Feb 2026 $332.68 19 Feb 2026 $339.37 20 Feb 2026 $336.19 23 Feb 2026 $329.35 24 Feb 2026 $332.85 25 Feb 2026 $327.36 26 Feb 2026 $331.24 27 Feb 2026 $332.92 2 Mar 2026 $325.07 3 Mar 2026 $318.65 4 Mar 2026 $327.30 5 Mar 2026 $320.51 6 Mar 2026 $320.66 9 Mar 2026 $323.59 10 Mar 2026 $322.38 11 Mar 2026 $320.43 12 Mar 2026 $317.23 13 Mar 2026 $313.41 16 Mar 2026 $318.91 17 Mar 2026 $320.42 18 Mar 2026 $314.80 19 Mar 2026 $311.10 20 Mar 2026 $312.17 23 Mar 2026 $306.66 24 Mar 2026 $308.05 25 Mar 2026 $328.70 26 Mar 2026 $328.16 27 Mar 2026 $317.36 30 Mar 2026 $316.09 31 Mar 2026 $330.87 1 Apr 2026 $328.73 2 Apr 2026 $318.85 6 Apr 2026 $330.34 7 Apr 2026 $319.52 8 Apr 2026 $327.25 9 Apr 2026 $321.28 10 Apr 2026 $322.11 13 Apr 2026 $333.00 14 Apr 2026 $339.41 15 Apr 2026 $333.39 16 Apr 2026 $320.13 17 Apr 2026 $309.66 20 Apr 2026 $310.94 21 Apr 2026 $308.43 22 Apr 2026 $310.58 23 Apr 2026 $313.79 24 Apr 2026 $305.54 27 Apr 2026 $308.51 28 Apr 2026 $302.11 29 Apr 2026 $301.19 30 Apr 2026 $309.49 1 May 2026 $296.11 4 May 2026 $297.93 5 May 2026 $301.11 6 May 2026 $303.00 7 May 2026 $295.91 8 May 2026 $295.05 11 May 2026 $284.84 12 May 2026 $292.03 13 May 2026 $291.48 14 May 2026 $293.45 15 May 2026 $286.98 18 May 2026 $286.27 19 May 2026 $294.30 20 May 2026 $298.48 21 May 2026 $300.51 22 May 2026 $297.45 26 May 2026 $295.50 27 May 2026 $295.63 28 May 2026 $305.06 29 May 2026 $301.98 1 Jun 2026 $295.63 2 Jun 2026 $286.12 3 Jun 2026 $292.58 4 Jun 2026 $303.64 5 Jun 2026 $303.05 8 Jun 2026 $292.16 9 Jun 2026 $297.69 10 Jun 2026 $291.22 11 Jun 2026 $289.39 12 Jun 2026 $282.85 15 Jun 2026 $287.80 16 Jun 2026 $281.90 17 Jun 2026 $282.72 18 Jun 2026 $278.09 22 Jun 2026 $286.41 23 Jun 2026 $288.18 24 Jun 2026 $294.06 25 Jun 2026 $293.17 26 Jun 2026 $291.37 29 Jun 2026 $293.52 30 Jun 2026 $301.03 1 Jul 2026 $301.67 2 Jul 2026 $312.78 6 Jul 2026 $313.04 7 Jul 2026 $321.59 8 Jul 2026 $323.50 9 Jul 2026 $312.79 10 Jul 2026 $298.76 13 Jul 2026 $288.06 14 Jul 2026 $281.26 15 Jul 2026 $279.14 16 Jul 2026 $283.15 17 Jul 2026 $267.47 20 Jul 2026 $272.67 21 Jul 2026 $271.37 22 Jul 2026 $266.99 23 Jul 2026 $268.74 24 Jul 2026 $271.77 27 Jul 2026 $278.40 28 Jul 2026 $288.41 29 Jul 2026 $286.62 30 Jul 2026 $205.48 31 Jul 2026 $205.52 3 Aug 2026 $220.33 4 Aug 2026 $219.00 5 Aug 2026 $228.72 6 Aug 2026 $216.12 7 Aug 2026 $219.20 10 Aug 2026 $216.98 11 Aug 2026 $221.20 12 Aug 2026 $223.95 13 Aug 2026 $227.12 14 Aug 2026 $228.65 17 Aug 2026 $224.60 18 Aug 2026 $228.61 19 Aug 2026 $242.61 20 Aug 2026 $229.30 21 Aug 2026 $236.22 24 Aug 2026 $236.01 25 Aug 2026 $240.08 26 Aug 2026 $239.00 27 Aug 2026 $236.56 28 Aug 2026 $237.10 31 Aug 2026 $240.69 1 Sep 2026 $246.11 2 Sep 2026 $267.40 3 Sep 2026 $264.50 4 Sep 2026 $266.11 8 Sep 2026 $260.10 9 Sep 2026 $258.00 10 Sep 2026 $247.51 11 Sep 2026 $248.68 14 Sep 2026 $249.99 15 Sep 2026 $238.27 16 Sep 2026 $239.36 17 Sep 2026 $245.51 18 Sep 2026 $239.56 21 Sep 2026 $244.32 22 Sep 2026 $251.65 23 Sep 2026 $246.51 24 Sep 2026 $249.59 25 Sep 2026 $255.96 28 Sep 2026 $255.36 29 Sep 2026 $254.07 30 Sep 2026 $246.74 1 Oct 2026 $231.18 2 Oct 2026 $219.72 5 Oct 2026 $219.89 6 Oct 2026 $223.94 7 Oct 2026 $224.41 8 Oct 2026 $224.53 9 Oct 2026 $232.68 Greenstreet Yvonne Chief Executive Officer Sold on a plan $7.10M 12 Nov 2025 · at $453.69 · 19.3% of stake Greenstreet Yvonne Chief Executive Officer Sold on a plan $4.51M 13 Nov 2025 · at $451.27 · 13.3% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $5.48M 17 Nov 2025 · at $452.18 · 36.3% of stake Tanguler Tolga EVP, Chief Commercial Officer Sold at will $547.93K 12 Jan 2026 · at $362.87 · 4.8% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $547.93K 12 Jan 2026 · at $362.87 · 6.0% of stake Garg Pushkal EVP Chief R&D Sold at will $547.93K 12 Jan 2026 · at $362.87 · 6.3% of stake Poulton Jeffrey V. EVP, Chief Financial Officer Sold at will $1.01M 12 Jan 2026 · at $362.87 · 4.6% of stake Greenstreet Yvonne Chief Executive Officer Sold at will $3.48M 12 Jan 2026 · at $362.86 · 10.9% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $848.06K 13 Jan 2026 · at $370.33 · 9.7% of stake Tanguler Tolga EVP, Chief Commercial Officer Sold at will $607.45K 13 Feb 2026 · at $310.08 · 5.8% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $607.45K 13 Feb 2026 · at $310.08 · 7.8% of stake Garg Pushkal EVP Chief R&D Sold at will $695.20K 13 Feb 2026 · at $310.08 · 8.3% of stake Poulton Jeffrey V. EVP, Chief Financial Officer Sold at will $695.20K 13 Feb 2026 · at $310.08 · 3.6% of stake Greenstreet Yvonne Chief Executive Officer Sold at will $2.16M 13 Feb 2026 · at $310.08 · 7.5% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $677.53K 17 Feb 2026 · at $331.96 · 8.8% of stake Garg Pushkal EVP Chief R&D Sold on a plan $1.53M 27 Feb 2026 · at $331.34 · 17.3% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $523.58K 2 Mar 2026 · at $327.65 · 6.4% of stake Tanguler Tolga EVP, Chief Commercial Officer Sold at will $523.58K 2 Mar 2026 · at $327.65 · 4.2% of stake Garg Pushkal EVP Chief R&D Sold on a plan $562.59K 2 Mar 2026 · at $327.66 · 6.4% of stake Poulton Jeffrey V. EVP, Chief Financial Officer Sold at will $722.80K 2 Mar 2026 · at $327.65 · 3.3% of stake Greenstreet Yvonne Chief Executive Officer Sold at will $2.23M 2 Mar 2026 · at $327.65 · 6.4% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $528.19K 3 Mar 2026 · at $319.73 · 7.0% of stake Garg Pushkal EVP Chief R&D Sold on a plan $567.55K 3 Mar 2026 · at $319.74 · 7.0% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $204.51K 4 Mar 2026 · at $323.08 · 2.9% of stake Garg Pushkal EVP Chief R&D Sold on a plan $745.98K 4 Mar 2026 · at $323.08 · 9.9% of stake Tanguler Tolga EVP, Chief Commercial Officer Sold at will $745.98K 4 Mar 2026 · at $323.08 · 6.3% of stake Poulton Jeffrey V. EVP, Chief Financial Officer Sold at will $797.35K 4 Mar 2026 · at $323.08 · 3.8% of stake Greenstreet Yvonne Chief Executive Officer Sold at will $947.58K 4 Mar 2026 · at $323.08 · 3.0% of stake Fitzgerald Kevin Joseph CSO & EVP, Head of Research Sold on a plan $213.18K 5 Mar 2026 · at $323.98 · 3.1% of stake Garg Pushkal EVP Chief R&D Sold on a plan $778.81K 5 Mar 2026 · at $323.96 · 11.4% of stake McLaughlin Melissa Chief Human Resources Officer Sold on a plan $519.01K 2 Apr 2026 · at $319.59 · 12.2% of stake McLaughlin Melissa Chief Human Resources Officer Sold on a plan $755.33K 6 Apr 2026 · at $330.42 · 19.5% of stake PYOTT DAVID E I Director Sold on a plan $1.15M 1 Jun 2026 · at $299.18 · 70.8% of stake SUPRAN BRYAN EVP, CLO and Secretary Sold at will $398.86K 2 Oct 2026 · at $226.88 · 12.1% of stake
0 buys15 sales at will19 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$3.71B
Net income
$313.75M
Free cash flow
$465.38M
Operating margin
13.5%
Net margin
8.5%
Return on equity
39.8%
Return on capital
33.2%
Debt to equity
0.86
Revenue growth, 1 yr
65.2%
Revenue growth, 5 yr
49.8% a year

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
493M -858M FY20 Fiscal year 2020 Revenue $492.85M Net income $858.28M Margin -174.1% 844M -853M FY21 Fiscal year 2021 Revenue $844.29M Net income $852.82M Margin -101.0% · growth +71.3% 1B -1.1B FY22 Fiscal year 2022 Revenue $1.04B Net income $1.13B Margin -109.0% · growth +22.9% 1.8B -440M FY23 Fiscal year 2023 Revenue $1.83B Net income $440.24M Margin -24.1% · growth +76.2% 2.2B -278M FY24 Fiscal year 2024 Revenue $2.25B Net income $278.16M Margin -12.4% · growth +23.0% 3.7B 314M FY25 Fiscal year 2025 Revenue $3.71B Net income $313.75M Margin 8.4% · growth +65.2%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
2 Oct 2026 SUPRAN BRYAN
EVP, CLO and Secretary
Sold at will $398.86K 12.1%
1 Jun 2026 PYOTT DAVID E I
Director
Sold on a plan $1.15M 70.8%
6 Apr 2026 McLaughlin Melissa
Chief Human Resources Officer
Sold on a plan $755.33K 19.5%
2 Apr 2026 McLaughlin Melissa
Chief Human Resources Officer
Sold on a plan $519.01K 12.2%
5 Mar 2026 Garg Pushkal
EVP Chief R&D
Sold on a plan $778.81K 11.4%
5 Mar 2026 Fitzgerald Kevin Joseph
CSO & EVP, Head of Research
Sold on a plan $213.18K 3.1%