Latest 10-Q

What changed in Alnylam Pharmaceuticals, Inc.'s latest quarterly report, compared with the one before.

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Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.Open-market buys and sales by officers, directors and 10% owners, from SEC Form 4. A plan set in advance is marked 10b5-1.

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13F holders

Funds that report this stock, checked against market prices.Fund managers with over $100 million in US-listed stocks file a 13F each quarter, up to 45 days after quarter end. Long positions only.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.Members of Congress, their spouses and dependent children report trades in dollar ranges, up to 45 days after the trade.

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Executive-branch trades

10 trades

Trades in Alnylam Pharmaceuticals, Inc. reported by the President, Cabinet members and other senior executive-branch officials. Amounts are ranges.Form 278-T is the periodic transaction report that senior executive-branch officials file with the Office of Government Ethics. They must report each trade over $1,000 within 30 days of being notified of it, and no later than 45 days after the trade. Amounts are ranges, not exact figures.

Recent executive-branch trades
The form has no ticker column. The asset is shown as the filer wrote it. We add a ticker link only when we could match the asset to a listed company.The form asks for a range, such as $1,001 - $15,000, not an exact amount. A line can be left blank when the filer's note says the amount was not more than $1,000.Report
Donald J Trump
President of the United States
ALNYLAM PHARMACEUTICALS
read from scan
PurchaseAug 28, 2026$1,001 - $15,000Sep 17, 2026White House report ↗
Donald J Trump
President of the United States
ALNYLAM PHARMACEUTICALS
read from scan
PurchaseAug 10, 2026$1,001 - $15,000Sep 17, 2026White House report ↗
Donald J Trump
President of the United States
ALNYLAM PHARMACEUTICALS INC
read from scan
PurchaseJul 17, 2026$15,001 - $50,000Sep 8, 2026White House report ↗
Donald J Trump
President of the United States
ALNYLAM PHARMACEUTICALS INC
read from scan
SaleJun 16, 2026$15,001 - $50,000Aug 12, 2026White House report ↗
Donald J Trump
President of the United States
ALNYLAM PHARMACEUTICALS
read from scan
SaleMay 18, 2026$1,001 - $15,000Jun 25, 2026White House report ↗
All 10 trades in ALNYFree to read. Amounts are ranges.

Lobbying

What Alnylam Pharmaceuticals, Inc. and its lobbying firms report each quarter.A company that lobbies with its own staff reports its expenses; a lobbying firm it hires reports the income it received. We count both.

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Lobbying and contracts

$1.7M · — in 12 mo

What Alnylam Pharmaceuticals, Inc. reported spending on lobbying next to the federal contracts it was awarded, by year.Lobbying: each report counts once. If a report was amended, only the newest version counts. Totals use the company's own report when it files one (it includes payments to hired firms); otherwise the hired firms' reported income. Registrations and reports with no amount are not counted. A firm that hands part of its work to another firm may report the same money as that other firm does; the filings do not allow us to tell. Contracts: each award is counted once, for the company that received it (or its listed parent when only the parent is matched), in the year of its first obligation. The amount is the total obligated to date, so a later increase is counted in the year the award began. Only awards of $1 million or more are collected. Agencies: the offices named on lobbying reports and the awarding agencies of contracts are matched to one department name (the Army, Navy and Air Force count as the Department of Defense; NIH, FDA and CMS as Health and Human Services). An agency is listed under both when the company lobbied it and was awarded a contract by it in the same period. Offices outside this list, and Congress, are not counted as agencies.

$0$500.0K$1.0M$1.5M$2.0M2023 · Lobbying: $02023 · Federal contracts: $020232024 · Lobbying: $620,0002024 · Federal contracts: $020242025 · Lobbying: $1,610,0002025 · Federal contracts: $020252026 YTD · Lobbying: $1,350,0002026 YTD · Federal contracts: $02026 YTD

Lobbying Federal contractsBoth bars use one dollar scale.

Lobbying and federal contracts of Alnylam Pharmaceuticals, Inc. by year
Gifts by the company's PAC to candidates for Congress. They come from donations to the PAC, not from the company's own funds.
2026 (year to date)$1.4M18Medicare and Medicaid, Pharmacy, TradeHHS, Executive Office of the President———$44.5K—
2025$1.6M27Medicare and Medicaid, Medical research, TradeHHS, Executive Office of the President———$96.5K—
2024$620.0K7Medicare and Medicaid, Veterans————$34.5K—
2023———————$37.3K—

Agencies both lobbied and awarding contracts

No agency appears on both sides in the last 12 months.

Lobbying and contract awards are reported separately; showing them together does not mean one caused the other.

All companies · Contract awards · Lobbying reports

Capitol Hires at Alnylam Pharmaceuticals, Inc.

42 hires

Lobbyists for Alnylam Pharmaceuticals, Inc. who say they once worked in Congress or the executive branch.

Capitol Hires at Alnylam Pharmaceuticals, Inc.
The covered position the lobbyist says they held: an office of a member of Congress, a committee or an executive-branch body, as written in the filing. The member's name is a link only when exactly one member of Congress fits the name, chamber, first name and years given; otherwise it stays as written.The lobbying report (LDA form LD-2) that names this lobbyist and office, with a link to it. Report period is the quarter the report covers; Posted is the day it was filed or amended, which can be much later. The same lobbyist is named again on each quarterly report for the same client, so a row is shown once, from the newest report, with the number of filings that name them.
Curtis RhyneVirginia Foxx
Member office · Republican-NC · 2008–2009
Not statedAlnylam Pharmaceuticals, Inc.
Report period 2026 Q3 ↗
Posted Oct 20, 2026 · in 8 filings
Curtis RhyneStudy Committee
Committee · 2009–2014
House RepublicanAlnylam Pharmaceuticals, Inc.
Report period 2026 Q3 ↗
Posted Oct 20, 2026 · in 8 filings
Curtis RhyneRichard Hudson
Member office · Republican-NC · 2014–2017
Not statedAlnylam Pharmaceuticals, Inc.
Report period 2026 Q3 ↗
Posted Oct 20, 2026 · in 8 filings
Curtis RhyneGeorge Holding
Member office · Republican-NC · 2017–2020
Not statedAlnylam Pharmaceuticals, Inc.
Report period 2026 Q3 ↗
Posted Oct 20, 2026 · in 8 filings
Margaret HermanMark R. Warner
Member office · Democrat-VA · 2017–2019
Legislative AideAlnylam Pharmaceuticals, Inc.
Report period 2026 Q3 ↗
Posted Oct 20, 2026 · in 2 filings

Each row reflects what was disclosed at the time of filing. A lobbyist listed may no longer be registered.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

About the company

The basics from the company’s SEC registration.

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$165.04+$8.39 (+5.36%) Nov 13 close
Oct 13, 2026: $223.82Oct 14, 2026: $224.47Oct 15, 2026: $234.03Oct 16, 2026: $231.83Oct 19, 2026: $233.29Oct 20, 2026: $230.71Oct 21, 2026: $225.10Oct 22, 2026: $227.28Oct 23, 2026: $224.03Oct 26, 2026: $227.66Oct 27, 2026: $226.79Oct 28, 2026: $232.40Oct 29, 2026: $174.00Oct 30, 2026: $165.00Nov 2, 2026: $158.00Nov 3, 2026: $159.89Nov 4, 2026: $161.08Nov 5, 2026: $156.66Nov 6, 2026: $155.94Nov 9, 2026: $156.61Nov 10, 2026: $151.64Nov 11, 2026: $159.85Nov 12, 2026: $156.65Nov 13, 2026: $165.04
Oct 13, 2026Low $151.64 · High $234.03Nov 13, 2026
Aug 13, 2026: $227.12Aug 14, 2026: $228.65Aug 17, 2026: $224.60Aug 18, 2026: $228.61Aug 19, 2026: $242.61Aug 20, 2026: $229.30Aug 21, 2026: $236.22Aug 24, 2026: $236.01Aug 25, 2026: $240.08Aug 26, 2026: $239.00Aug 27, 2026: $236.56Aug 28, 2026: $237.10Aug 31, 2026: $240.69Sep 1, 2026: $246.11Sep 2, 2026: $267.40Sep 3, 2026: $264.50Sep 4, 2026: $266.11Sep 8, 2026: $260.10Sep 9, 2026: $258.00Sep 10, 2026: $247.51Sep 11, 2026: $248.68Sep 14, 2026: $249.99Sep 15, 2026: $238.27Sep 16, 2026: $239.36Sep 17, 2026: $245.51Sep 18, 2026: $239.56Sep 21, 2026: $244.32Sep 22, 2026: $251.65Sep 23, 2026: $246.51Sep 24, 2026: $249.59Sep 25, 2026: $255.96Sep 28, 2026: $255.36Sep 29, 2026: $254.07Sep 30, 2026: $246.74Oct 1, 2026: $231.18Oct 2, 2026: $219.72Oct 5, 2026: $219.89Oct 6, 2026: $223.94Oct 7, 2026: $224.41Oct 8, 2026: $224.53Oct 9, 2026: $232.68Oct 12, 2026: $227.02Oct 13, 2026: $223.82Oct 14, 2026: $224.47Oct 15, 2026: $234.03Oct 16, 2026: $231.83Oct 19, 2026: $233.29Oct 20, 2026: $230.71Oct 21, 2026: $225.10Oct 22, 2026: $227.28Oct 23, 2026: $224.03Oct 26, 2026: $227.66Oct 27, 2026: $226.79Oct 28, 2026: $232.40Oct 29, 2026: $174.00Oct 30, 2026: $165.00Nov 2, 2026: $158.00Nov 3, 2026: $159.89Nov 4, 2026: $161.08Nov 5, 2026: $156.66Nov 6, 2026: $155.94Nov 9, 2026: $156.61Nov 10, 2026: $151.64Nov 11, 2026: $159.85Nov 12, 2026: $156.65Nov 13, 2026: $165.04
Aug 13, 2026Low $151.64 · High $267.40Nov 13, 2026
Nov 13, 2025: $453.97Nov 14, 2025: $449.16Nov 17, 2025: $460.54Nov 18, 2025: $462.30Nov 19, 2025: $460.76Nov 20, 2025: $445.79Nov 21, 2025: $436.38Nov 24, 2025: $434.23Nov 25, 2025: $429.80Nov 26, 2025: $445.12Nov 28, 2025: $451.23Dec 1, 2025: $454.56Dec 2, 2025: $464.93Dec 3, 2025: $473.29Dec 4, 2025: $465.34Dec 5, 2025: $458.12Dec 8, 2025: $430.02Dec 9, 2025: $415.21Dec 10, 2025: $404.46Dec 11, 2025: $412.63Dec 12, 2025: $397.55Dec 15, 2025: $391.50Dec 16, 2025: $391.17Dec 17, 2025: $392.10Dec 18, 2025: $396.04Dec 19, 2025: $400.23Dec 22, 2025: $407.73Dec 23, 2025: $398.70Dec 24, 2025: $400.69Dec 26, 2025: $400.59Dec 29, 2025: $398.82Dec 30, 2025: $397.25Dec 31, 2025: $397.65Jan 2, 2026: $400.17Jan 5, 2026: $397.83Jan 6, 2026: $406.40Jan 7, 2026: $422.50Jan 8, 2026: $399.40Jan 9, 2026: $398.29Jan 12, 2026: $370.91Jan 13, 2026: $369.96Jan 14, 2026: $366.86Jan 15, 2026: $359.26Jan 16, 2026: $359.27Jan 20, 2026: $355.53Jan 21, 2026: $365.46Jan 22, 2026: $370.00Jan 23, 2026: $357.98Jan 26, 2026: $361.35Jan 27, 2026: $354.75Jan 28, 2026: $349.58Jan 29, 2026: $346.79Jan 30, 2026: $338.06Feb 2, 2026: $339.11Feb 3, 2026: $351.80Feb 4, 2026: $351.96Feb 5, 2026: $331.24Feb 6, 2026: $328.16Feb 9, 2026: $320.00Feb 10, 2026: $322.98Feb 11, 2026: $322.28Feb 12, 2026: $308.48Feb 13, 2026: $314.40Feb 17, 2026: $332.61Feb 18, 2026: $332.68Feb 19, 2026: $339.37Feb 20, 2026: $336.19Feb 23, 2026: $329.35Feb 24, 2026: $332.85Feb 25, 2026: $327.36Feb 26, 2026: $331.24Feb 27, 2026: $332.92Mar 2, 2026: $325.07Mar 3, 2026: $318.65Mar 4, 2026: $327.30Mar 5, 2026: $320.51Mar 6, 2026: $320.66Mar 9, 2026: $323.59Mar 10, 2026: $322.38Mar 11, 2026: $320.43Mar 12, 2026: $317.23Mar 13, 2026: $313.41Mar 16, 2026: $318.91Mar 17, 2026: $320.42Mar 18, 2026: $314.80Mar 19, 2026: $311.10Mar 20, 2026: $312.17Mar 23, 2026: $306.66Mar 24, 2026: $308.05Mar 25, 2026: $328.70Mar 26, 2026: $328.16Mar 27, 2026: $317.36Mar 30, 2026: $316.09Mar 31, 2026: $330.87Apr 1, 2026: $328.73Apr 2, 2026: $318.85Apr 6, 2026: $330.34Apr 7, 2026: $319.52Apr 8, 2026: $327.25Apr 9, 2026: $321.28Apr 10, 2026: $322.11Apr 13, 2026: $333.00Apr 14, 2026: $339.41Apr 15, 2026: $333.39Apr 16, 2026: $320.13Apr 17, 2026: $309.66Apr 20, 2026: $310.94Apr 21, 2026: $308.43Apr 22, 2026: $310.58Apr 23, 2026: $313.79Apr 24, 2026: $305.54Apr 27, 2026: $308.51Apr 28, 2026: $302.11Apr 29, 2026: $301.19Apr 30, 2026: $309.49May 1, 2026: $296.11May 4, 2026: $297.93May 5, 2026: $301.11May 6, 2026: $303.00May 7, 2026: $295.91May 8, 2026: $295.05May 11, 2026: $284.84May 12, 2026: $292.03May 13, 2026: $291.48May 14, 2026: $293.45May 15, 2026: $286.98May 18, 2026: $286.27May 19, 2026: $294.30May 20, 2026: $298.48May 21, 2026: $300.51May 22, 2026: $297.45May 26, 2026: $295.50May 27, 2026: $295.63May 28, 2026: $305.06May 29, 2026: $301.98Jun 1, 2026: $295.63Jun 2, 2026: $286.12Jun 3, 2026: $292.58Jun 4, 2026: $303.64Jun 5, 2026: $303.05Jun 8, 2026: $292.16Jun 9, 2026: $297.69Jun 10, 2026: $291.22Jun 11, 2026: $289.39Jun 12, 2026: $282.85Jun 15, 2026: $287.80Jun 16, 2026: $281.90Jun 17, 2026: $282.72Jun 18, 2026: $278.09Jun 22, 2026: $286.41Jun 23, 2026: $288.18Jun 24, 2026: $294.06Jun 25, 2026: $293.17Jun 26, 2026: $291.37Jun 29, 2026: $293.52Jun 30, 2026: $301.03Jul 1, 2026: $301.67Jul 2, 2026: $312.78Jul 6, 2026: $313.04Jul 7, 2026: $321.59Jul 8, 2026: $323.50Jul 9, 2026: $312.79Jul 10, 2026: $298.76Jul 13, 2026: $288.06Jul 14, 2026: $281.26Jul 15, 2026: $279.14Jul 16, 2026: $283.15Jul 17, 2026: $267.47Jul 20, 2026: $272.67Jul 21, 2026: $271.37Jul 22, 2026: $266.99Jul 23, 2026: $268.74Jul 24, 2026: $271.77Jul 27, 2026: $278.40Jul 28, 2026: $288.41Jul 29, 2026: $286.62Jul 30, 2026: $205.48Jul 31, 2026: $205.52Aug 3, 2026: $220.33Aug 4, 2026: $219.00Aug 5, 2026: $228.72Aug 6, 2026: $216.12Aug 7, 2026: $219.20Aug 10, 2026: $216.98Aug 11, 2026: $221.20Aug 12, 2026: $223.95Aug 13, 2026: $227.12Aug 14, 2026: $228.65Aug 17, 2026: $224.60Aug 18, 2026: $228.61Aug 19, 2026: $242.61Aug 20, 2026: $229.30Aug 21, 2026: $236.22Aug 24, 2026: $236.01Aug 25, 2026: $240.08Aug 26, 2026: $239.00Aug 27, 2026: $236.56Aug 28, 2026: $237.10Aug 31, 2026: $240.69Sep 1, 2026: $246.11Sep 2, 2026: $267.40Sep 3, 2026: $264.50Sep 4, 2026: $266.11Sep 8, 2026: $260.10Sep 9, 2026: $258.00Sep 10, 2026: $247.51Sep 11, 2026: $248.68Sep 14, 2026: $249.99Sep 15, 2026: $238.27Sep 16, 2026: $239.36Sep 17, 2026: $245.51Sep 18, 2026: $239.56Sep 21, 2026: $244.32Sep 22, 2026: $251.65Sep 23, 2026: $246.51Sep 24, 2026: $249.59Sep 25, 2026: $255.96Sep 28, 2026: $255.36Sep 29, 2026: $254.07Sep 30, 2026: $246.74Oct 1, 2026: $231.18Oct 2, 2026: $219.72Oct 5, 2026: $219.89Oct 6, 2026: $223.94Oct 7, 2026: $224.41Oct 8, 2026: $224.53Oct 9, 2026: $232.68Oct 12, 2026: $227.02Oct 13, 2026: $223.82Oct 14, 2026: $224.47Oct 15, 2026: $234.03Oct 16, 2026: $231.83Oct 19, 2026: $233.29Oct 20, 2026: $230.71Oct 21, 2026: $225.10Oct 22, 2026: $227.28Oct 23, 2026: $224.03Oct 26, 2026: $227.66Oct 27, 2026: $226.79Oct 28, 2026: $232.40Oct 29, 2026: $174.00Oct 30, 2026: $165.00Nov 2, 2026: $158.00Nov 3, 2026: $159.89Nov 4, 2026: $161.08Nov 5, 2026: $156.66Nov 6, 2026: $155.94Nov 9, 2026: $156.61Nov 10, 2026: $151.64Nov 11, 2026: $159.85Nov 12, 2026: $156.65Nov 13, 2026: $165.04
Nov 13, 2025Low $151.64 · High $473.29Nov 13, 2026
Congress purchase Congress sale Insider sale over $1M

Adjusted for stock splits; not for dividends. Where prices come from.

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