ALNY Insider Trading

Insider Ownership Percentage: 1.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $49,506,369.08

Alnylam Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Alnylam Pharmaceuticals by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Alnylam Pharmaceuticals Share Price & Price History

Current Price: $252.72
Price Change: Price Decrease of -12.175 (-4.60%)
As of 02/14/2025 01:41 PM ET

This chart shows the closing price history over time for ALNY up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Alnylam Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/27/2025Pushkal GargCMOSell52,592$285.00$14,988,720.0011,989View SEC Filing Icon  
1/23/2025Phillip A. SharpDirectorSell11,250$275.00$3,093,750.00View SEC Filing Icon  
12/12/2024Pushkal GargCMOSell1,752$251.00$439,752.0015,705View SEC Filing Icon  
11/26/2024Pushkal GargCMOSell1,682$250.98$422,148.3617,457View SEC Filing Icon  
11/26/2024Tolga TangulerEVPSell1,469$250.98$368,689.6213,191View SEC Filing Icon  
11/26/2024Yvonne GreenstreetCEOSell5,219$250.98$1,309,864.6278,880View SEC Filing Icon  
8/20/2024Yvonne GreenstreetCEOSell15,000$280.00$4,200,000.0073,441View SEC Filing Icon  
8/6/2024Dennis A. AusielloDirectorSell20,250$262.00$5,305,500.00136View SEC Filing Icon  
8/1/2024Yvonne GreenstreetCEOSell15,148$270.00$4,089,960.0073,441View SEC Filing Icon  
7/11/2024Yvonne GreenstreetCEOSell7,093$261.00$1,851,273.0073,441View SEC Filing Icon  
6/25/2024Jeffrey V. PoultonCFOSell1,605$231.00$370,755.0028,892View SEC Filing Icon  
6/25/2024Kevin Joseph FitzgeraldEVPSell1,198$230.99$276,726.0214,181View SEC Filing Icon  
6/25/2024Pushkal GargCMOSell2,103$230.99$485,771.9715,609View SEC Filing Icon  
6/25/2024Yvonne GreenstreetCEOSell8,301$230.99$1,917,447.9980,534View SEC Filing Icon  
6/24/2024David E. I. PyottDirectorSell32,450$220.69$7,161,390.50136View SEC Filing Icon  
5/29/2024Amy W. SchulmanDirectorSell21,700$148.60$3,224,620.008,436View SEC Filing Icon  
12/27/2023Michael W. BonneyDirectorSell30,000$195.00$5,850,000.0016,029View SEC Filing Icon  
8/7/2023Pushkal GargCMOSell4,166$183.89$766,085.744,345View SEC Filing Icon  
8/4/2023Jeffrey V. PoultonCFOSell3,460$185.85$643,041.0015,873View SEC Filing Icon  
8/4/2023Pushkal GargCMOSell3,461$185.85$643,226.858,511View SEC Filing Icon  
8/4/2023Yvonne GreenstreetCEOSell4,057$185.85$753,993.4535,216View SEC Filing Icon  
4/27/2023Akshay VaishnawPresidentSell2,392$194.59$465,459.2817,890View SEC Filing Icon  
4/27/2023Jeffrey V. PoultonCFOSell977$194.59$190,114.4311,706View SEC Filing Icon  
4/27/2023Pushkal GargCMOSell1,839$194.59$357,851.016,800View SEC Filing Icon  
4/27/2023Tolga TangulerEVPSell1,476$194.59$287,214.841,801View SEC Filing Icon  
4/27/2023Yvonne GreenstreetCEOSell7,615$194.59$1,481,802.8530,332View SEC Filing Icon  
4/6/2023Indrani Lall FranchiniEVPSell3,500$210.00$735,000.00View SEC Filing Icon  
3/3/2023Pushkal GargCMOSell18,072$200.00$3,614,400.004,345View SEC Filing Icon  
2/2/2023Indrani Lall FranchiniEVPSell1,675$226.01$378,566.753,500View SEC Filing Icon  
8/5/2022Tolga TangulerEVPSell1,841$218.16$401,632.56View SEC Filing Icon  
8/3/2022Tolga TangulerEVPSell1,754$210.00$368,340.003,629View SEC Filing Icon  
7/5/2022Tolga TangulerEVPSell1,754$150.00$263,100.001,754View SEC Filing Icon  
4/1/2022Steven M. PaulDirectorSell15,000$170.69$2,560,350.001,000View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Alnylam Pharmaceuticals (NASDAQ:ALNY)

92.97% of Alnylam Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ALNY by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Alnylam Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/14/2025Hsbc Holdings PLC61,582$14.52M0.0%+8.3%0.048%Search for SEC Filing on Google Icon
2/14/2025Rock Springs Capital Management LP256,200$60.29M2.3%+2.5%0.199%Search for SEC Filing on Google Icon
2/14/2025J. Safra Sarasin Holding AG19,142$4.50M0.1%+69.8%0.015%Search for SEC Filing on Google Icon
2/14/2025Stifel Financial Corp10,017$2.36M0.0%+71.8%0.008%Search for SEC Filing on Google Icon
2/14/2025Tower Research Capital LLC TRC 5,381$1.27M0.0%+894.6%0.004%Search for SEC Filing on Google Icon
2/14/2025Mirabella Financial Services LLP10,539$2.48M0.2%N/A0.008%Search for SEC Filing on Google Icon
2/14/2025MML Investors Services LLC10,738$2.53M0.0%+248.0%0.008%Search for SEC Filing on Google Icon
2/14/2025Ossiam2,427$0.57M0.0%+44.9%0.002%Search for SEC Filing on Google Icon
2/14/2025BI Asset Management Fondsmaeglerselskab A S11,755$2.77M0.0%+37.9%0.009%Search for SEC Filing on Google Icon
2/14/2025Capital International Inc. CA 105,085$24.73M0.3%-16.1%0.081%Search for SEC Filing on Google Icon
2/14/2025Capital Research Global Investors6,968,513$1.64B0.3%+32.9%5.403%Search for SEC Filing on Google Icon
2/14/2025Capital World Investors16,600,525$3.91B0.6%+0.6%12.871%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP333,661$78.52M0.0%+10.7%0.259%Search for SEC Filing on Google Icon
2/14/2025First Trust Advisors LP327,782$77.13M0.1%+14.8%0.254%Search for SEC Filing on Google Icon
2/14/2025Capital International Ltd. CA80,282$18.89M0.8%-20.1%0.062%Search for SEC Filing on Google Icon
2/14/2025Capital Group Investment Management PTE. LTD.17,171$4.04M0.8%-19.6%0.013%Search for SEC Filing on Google Icon
2/14/2025Capital Group Private Client Services Inc.41,525$9.77M0.1%-2.2%0.032%Search for SEC Filing on Google Icon
2/14/2025Capital International Investors1,418,602$333.83M0.1%-64.3%1.100%Search for SEC Filing on Google Icon
2/14/2025Capital International Sarl115,142$27.09M0.6%-14.8%0.089%Search for SEC Filing on Google Icon
2/14/2025Alpha DNA Investment Management LLC3,019$0.71M0.3%N/A0.002%Search for SEC Filing on Google Icon
2/13/2025CANADA LIFE ASSURANCE Co76,919$18.09M0.0%+11.9%0.060%Search for SEC Filing on Google Icon
2/13/2025Canada Pension Plan Investment Board174,021$40.95M0.0%-49.5%0.135%Search for SEC Filing on Google Icon
2/13/2025Marshall Wace LLP378,649$89.10M0.1%+496.6%0.294%Search for SEC Filing on Google Icon
2/13/2025NewEdge Advisors LLC973$0.23M0.0%+97,200.0%0.001%Search for SEC Filing on Google Icon
2/13/2025United Capital Financial Advisors LLC1,480$0.35M0.0%-5.6%0.001%Search for SEC Filing on Google Icon
2/13/2025Dodge & Cox3,540,262$833.06M0.5%-2.3%2.745%Search for SEC Filing on Google Icon
2/13/2025Jump Financial LLC15,145$3.56M0.1%N/A0.012%Search for SEC Filing on Google Icon
2/13/2025Bridgewater Associates LP6,452$1.52M0.0%+222.3%0.005%Search for SEC Filing on Google Icon
2/13/2025Ontario Teachers Pension Plan Board1,547$0.36M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2025Guggenheim Capital LLC12,783$3.01M0.0%-16.2%0.010%Search for SEC Filing on Google Icon
2/13/2025Aware Super Pty Ltd as trustee of Aware Super13,665$3.22M0.1%N/A0.011%Search for SEC Filing on Google Icon
2/13/2025Mariner LLC13,666$3.22M0.0%+16.6%0.011%Search for SEC Filing on Google Icon
2/13/2025Townsquare Capital LLC966$0.23M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/13/2025Sterling Capital Management LLC18,087$4.26M0.1%+601.0%0.014%Search for SEC Filing on Google Icon
2/13/2025Kennedy Capital Management LLC1,535$0.36M0.0%-38.1%0.001%Search for SEC Filing on Google Icon
2/13/2025Treasurer of the State of North Carolina86,915$20.45M0.1%+2.7%0.067%Search for SEC Filing on Google Icon
2/13/2025Winslow Capital Management LLC1,020,567$240.15M0.9%+6.1%0.791%Search for SEC Filing on Google Icon
2/13/2025Advisory Services Network LLC6,268$1.48M0.0%-4.6%0.005%Search for SEC Filing on Google Icon
2/13/2025Greenland Capital Management LP2,000$0.47M0.1%+81.2%0.002%Search for SEC Filing on Google Icon
2/13/2025Bank of Nova Scotia4,512$1.06M0.0%-30.4%0.003%Search for SEC Filing on Google Icon
2/13/2025FIL Ltd22,066$5.19M0.0%+48.8%0.017%Search for SEC Filing on Google Icon
2/13/2025Legal & General Group Plc828,917$195.05M0.1%-13.7%0.643%Search for SEC Filing on Google Icon
2/13/2025ADAR1 Capital Management LLC2,900$0.68M0.1%N/A0.002%Search for SEC Filing on Google Icon
2/13/2025Cerity Partners LLC13,525$3.24M0.0%+3.9%0.010%Search for SEC Filing on Google Icon
2/13/2025Polymer Capital Management HK LTD10,313$2.43M0.4%N/A0.008%Search for SEC Filing on Google Icon
2/13/2025Federated Hermes Inc.249,591$58.73M0.1%+47.8%0.194%Search for SEC Filing on Google Icon
2/13/2025Himension Capital Singapore PTE. LTD.4,529$1.07M0.1%N/A0.004%Search for SEC Filing on Google Icon
2/13/2025Envestnet Asset Management Inc.66,014$15.53M0.0%+110.5%0.051%Search for SEC Filing on Google Icon
2/13/2025Aviva PLC77,244$18.18M0.0%+215.2%0.060%Search for SEC Filing on Google Icon
2/13/2025Rhenman & Partners Asset Management AB17,000$4M0.4%-66.2%0.013%Search for SEC Filing on Google Icon
2/13/2025Resona Asset Management Co. Ltd.36,656$8.64M0.1%N/A0.028%Search for SEC Filing on Google Icon
2/13/2025Rosenblum Silverman Sutton S F Inc. CA34,775$8.18M2.1%-1.1%0.027%Search for SEC Filing on Google Icon
2/13/2025Prudential PLC4,280$1.01M0.0%+41.9%0.003%Search for SEC Filing on Google Icon
2/12/2025Motley Fool Asset Management LLC1,899$0.45M0.0%+7.9%0.001%Search for SEC Filing on Google Icon
2/12/2025Westpac Banking Corp10,560$2.49M0.2%+83.9%0.008%Search for SEC Filing on Google Icon
2/12/2025Cinctive Capital Management LP18,240$4.29M0.2%N/A0.014%Search for SEC Filing on Google Icon
2/12/2025Groupama Asset Managment1,528,450$359.66M2.6%+0.5%1.185%Search for SEC Filing on Google Icon
2/12/2025Trexquant Investment LP44,024$10.36M0.1%-51.5%0.034%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC2,206,800$518.37M0.0%+2.8%1.711%Search for SEC Filing on Google Icon
2/12/2025National Bank of Canada FI668$0.16M0.0%+9.0%0.001%Search for SEC Filing on Google Icon
2/12/2025Alliancebernstein L.P.44,590$10.49M0.0%-15.3%0.035%Search for SEC Filing on Google Icon
2/12/2025Edmond DE Rothschild Holding S.A.269$63K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/12/2025AIA Group Ltd22,848$5.38M0.1%-19.0%0.018%Search for SEC Filing on Google Icon
2/12/2025O Shaughnessy Asset Management LLC3,443$0.81M0.0%-7.7%0.003%Search for SEC Filing on Google Icon
2/12/2025CIBC Private Wealth Group LLC203,368$48.92M0.1%-2.5%0.158%Search for SEC Filing on Google Icon
2/12/2025California Public Employees Retirement System204,132$48.03M0.0%-3.6%0.158%Search for SEC Filing on Google Icon
2/12/2025Schroder Investment Management Group23,230$5.48M0.0%-50.9%0.018%Search for SEC Filing on Google Icon
2/12/2025Allstate Corp3,798$0.89M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/12/2025DnB Asset Management AS26,733$6.29M0.0%+5.3%0.021%Search for SEC Filing on Google Icon
2/12/2025Orion Portfolio Solutions LLC3,744$0.88M0.0%+5.7%0.003%Search for SEC Filing on Google Icon
2/12/2025Pictet Asset Management Holding SA430,612$101.33M0.1%-35.2%0.334%Search for SEC Filing on Google Icon
2/12/2025Nomura Asset Management Co. Ltd.82,785$19.48M0.1%-3.1%0.064%Search for SEC Filing on Google Icon
2/12/2025Norges Bank2,456,082$577.94M0.1%N/A1.904%Search for SEC Filing on Google Icon
2/12/2025Blair William & Co. IL11,962$2.82M0.0%-10.3%0.009%Search for SEC Filing on Google Icon
2/12/2025Loomis Sayles & Co. L P503,045$118.37M12.8%-4.2%0.390%Search for SEC Filing on Google Icon
2/12/2025NEOS Investment Management LLC16,323$3.84M0.1%-10.2%0.013%Search for SEC Filing on Google Icon
2/12/2025UniSuper Management Pty Ltd2,500$0.59M0.0%-16.7%0.002%Search for SEC Filing on Google Icon
2/12/2025Sava Infond d.o.o.1,730$0.41M0.1%N/A0.001%Search for SEC Filing on Google Icon
2/12/2025Elo Mutual Pension Insurance Co13,208$3.11M0.1%+18.3%0.010%Search for SEC Filing on Google Icon
2/12/2025Mitsubishi UFJ Asset Management Co. Ltd.94,698$22.19M0.0%+11.0%0.073%Search for SEC Filing on Google Icon
2/12/2025Korea Investment CORP93,603$22.03M0.1%-13.2%0.073%Search for SEC Filing on Google Icon
2/12/2025Mitsubishi UFJ Trust & Banking Corp116,686$27.46M0.1%-3.0%0.090%Search for SEC Filing on Google Icon
2/12/2025Prestige Wealth Management Group LLC316$74K0.0%-29.9%0.000%Search for SEC Filing on Google Icon
2/11/2025Zions Bancorporation N.A.672$0.16M0.0%+13.5%0.001%Search for SEC Filing on Google Icon
2/11/2025TD Asset Management Inc.504,038$118.61M0.1%+3.2%0.391%Search for SEC Filing on Google Icon
2/11/2025EFG Asset Management North America Corp.26,646$6.28M0.9%+29.3%0.021%Search for SEC Filing on Google Icon
2/11/2025EntryPoint Capital LLC2,542$0.60M0.3%+59.5%0.002%Search for SEC Filing on Google Icon
2/11/2025Prudential Financial Inc.18,753$4.41M0.0%-77.4%0.015%Search for SEC Filing on Google Icon
2/11/2025Corebridge Financial Inc.2,209$0.52M0.0%-2.2%0.002%Search for SEC Filing on Google Icon
2/11/2025Crowley Wealth Management Inc.1,250$0.29M0.3%N/A0.001%Search for SEC Filing on Google Icon
2/11/2025Vanguard Group Inc.12,733,399$3B0.1%+0.8%9.872%Search for SEC Filing on Google Icon
2/11/2025LPL Financial LLC18,572$4.37M0.0%-1.2%0.014%Search for SEC Filing on Google Icon
2/11/2025Fox Run Management L.L.C.2,809$0.66M0.1%-2.6%0.002%Search for SEC Filing on Google Icon
2/11/2025KLP Kapitalforvaltning AS43,700$10.28M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/11/2025AXQ Capital LP1,644$0.39M0.2%N/A0.001%Search for SEC Filing on Google Icon
2/11/2025American Century Companies Inc.1,604,024$377.44M0.2%+0.7%1.244%Search for SEC Filing on Google Icon
2/11/2025Quantbot Technologies LP1,588$0.37M0.0%+678.4%0.001%Search for SEC Filing on Google Icon
2/11/2025Blueshift Asset Management LLC1,698$0.40M0.1%+59.1%0.001%Search for SEC Filing on Google Icon
2/11/2025Teacher Retirement System of Texas39,075$9.20M0.0%+16.1%0.030%Search for SEC Filing on Google Icon
2/11/2025Royal London Asset Management Ltd.281,509$66.24M0.2%+0.6%0.218%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Alnylam Pharmaceuticals logo
Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference. Its marketed products include ONPATTRO (patisiran) for the treatment of the polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; AMVUTTRA for the treatment of hATTR amyloidosis with polyneuropathy in adults; GIVLAARI for the treatment of adults with acute hepatic porphyria; and OXLUMO for the treatment of primary hyperoxaluria type 1. In addition, the company develops patisiran for the treatment of transthyretin amyloidosis, or ATTR amyloidosis, with cardiomyopathy; cemdisiran to treat complement-mediated diseases; Belcesiran for the treatment of alpha-1 liver disease; Elebsiran to treat chronic HBV infection; Zilebesiran to treat hypertension; ALN-APP to treat Alzheimer's disease and cerebral amyloid angiopathy; and ALN-HSD to treat NASH. Further, it offers Fitusiran for the treatment of hemophilia, Inclisiran to treat hypercholesterolemia, lumasiran for the treatment of advanced PH1, and vutrisiran for the treatment of ATTR amyloidosis, which is in phase 3 clinical trial. Alnylam Pharmaceuticals, Inc. has strategic collaborations with Regeneron Pharmaceuticals, Inc. to discover, develop, and commercialize RNAi therapeutics for a range of diseases by addressing therapeutic targets expressed in the eye and CNS; and Roche to develop pharmaceutical products containing zilebesiran. It also has license and collaboration agreements with Novartis AG; Vir Biotechnology, Inc.; Dicerna Pharmaceuticals, Inc.; Ionis Pharmaceuticals, Inc.; and PeptiDream, Inc. The company was founded in 2002 and is headquartered in Cambridge, Massachusetts.
Read More on Alnylam Pharmaceuticals

Today's Range

Now: $252.72
Low: $251.87
High: $264.87

50 Day Range

MA: $254.03
Low: $233.15
High: $278.99

52 Week Range

Now: $252.72
Low: $141.98
High: $304.39

Volume

272,865 shs

Average Volume

665,992 shs

Market Capitalization

$32.60 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.35

Who are the company insiders with the largest holdings of Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals' top insider investors include:
  1. Yvonne Greenstreet (CEO)
  2. Jeffrey V Poulton (CFO)
  3. Akshay Vaishnaw (President)
  4. Pushkal Garg (CMO)
  5. Michael W Bonney (Director)
  6. Kevin Joseph Fitzgerald (EVP)
  7. Tolga Tanguler (EVP)
  8. Amy W Schulman (Director)
  9. David E I Pyott (Director)
  10. Dennis A Ausiello (Director)
  11. Indrani Lall Franchini (EVP)
  12. Phillip A Sharp (Director)
Learn More about top insider investors at Alnylam Pharmaceuticals.

Who are the major institutional investors of Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals' top institutional shareholders include:
  1. Capital World Investors — 12.87%
  2. Vanguard Group Inc. — 9.87%
  3. Capital Research Global Investors — 5.40%
  4. Regeneron Pharmaceuticals Inc. — 3.45%
  5. T. Rowe Price Investment Management Inc. — 3.40%
  6. Baillie Gifford & Co. — 3.13%
Learn More about top institutional investors of Alnylam Pharmaceuticals stock.

Which major investors are selling Alnylam Pharmaceuticals stock?

In the last quarter, ALNY stock was sold by these institutional investors:
  1. Capital International Investors
  2. Baillie Gifford & Co.
  3. Pictet Asset Management Holding SA
  4. Canada Pension Plan Investment Board
  5. Price T Rowe Associates Inc. MD
  6. Legal & General Group Plc
  7. Susquehanna International Group LLP
  8. Dodge & Cox
During the last year, company insiders that have sold Alnylam Pharmaceuticals company stock include:
  1. Yvonne Greenstreet (CEO)
  2. Jeffrey V Poulton (CFO)
  3. Akshay Vaishnaw (President)
  4. Pushkal Garg (CMO)
  5. Michael W Bonney (Director)
  6. Kevin Joseph Fitzgerald (EVP)
  7. Tolga Tanguler (EVP)
  8. Amy W Schulman (Director)
  9. David E I Pyott (Director)
Learn More investors selling Alnylam Pharmaceuticals stock.

Which major investors are buying Alnylam Pharmaceuticals stock?

In the previous quarter, ALNY stock was acquired by institutional investors including:
  1. Regeneron Pharmaceuticals Inc.
  2. Norges Bank
  3. Capital Research Global Investors
  4. T. Rowe Price Investment Management Inc.
  5. Marshall Wace LLP
  6. Raymond James Financial Inc.
  7. Jennison Associates LLC
  8. Proficio Capital Partners LLC