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Alnylam Pharmaceuticals, Inc.

ALNY
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001178670

No open-market purchases or sales by Alnylam Pharmaceuticals, Inc. insiders were filed in the last 90 days; 794 institutions reported holding it in 13F filings for Q2 2026, worth $40.1B in total; no superinvestor holds it.

13F holders, Q2 2022

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
424
−10 vs. Q1 2022
Shares held
113.5M
−129.9K (−0.1%) vs. Q1 2022
Total value
$16.6B
−$2.01B (−10.8%) vs. Q1 2022
New holders
57
131 more added
Sold out
67
161 more reduced

9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ALNY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 424 institutions
Q1 2021: 391 institutionsQ2 2021: 401 institutionsQ3 2021: 407 institutionsQ4 2021: 435 institutionsQ1 2022: 443 institutionsQ2 2022: 424 institutionsQ3 2022: 497 institutionsQ4 2022: 489 institutionsQ1 2023: 478 institutionsQ2 2023: 477 institutionsQ3 2023: 454 institutionsQ4 2023: 501 institutionsQ1 2024: 499 institutionsQ2 2024: 525 institutionsQ3 2024: 569 institutionsQ4 2024: 594 institutionsQ1 2025: 625 institutionsQ2 2025: 653 institutionsQ3 2025: 823 institutionsQ4 2025: 852 institutionsQ1 2026: 793 institutionsQ2 2026: 794 institutions
Value heldQ2 2022: $16.6B
Q1 2021: $15.4BQ2 2021: $19.0BQ3 2021: $21.1BQ4 2021: $19.0BQ1 2022: $18.6BQ2 2022: $16.6BQ3 2022: $26.7BQ4 2022: $28.4BQ1 2023: $24.0BQ2 2023: $22.5BQ3 2023: $20.9BQ4 2023: $22.4BQ1 2024: $17.2BQ2 2024: $29.1BQ3 2024: $34.1BQ4 2024: $30.1BQ1 2025: $34.8BQ2 2025: $43.1BQ3 2025: $59.2BQ4 2025: $52.7BQ1 2026: $43.4BQ2 2026: $40.1B
Institutions holding ALNY and their total value by quarter
QuarterHoldersValue
Q2 2026794$40.1B
Q1 2026793$43.4B
Q4 2025852$52.7B
Q3 2025823$59.2B
Q2 2025653$43.1B
Q1 2025625$34.8B
Q4 2024594$30.1B
Q3 2024569$34.1B
Q2 2024525$29.1B
Q1 2024499$17.2B
Q4 2023501$22.4B
Q3 2023454$20.9B
Q2 2023477$22.5B
Q1 2023478$24.0B
Q4 2022489$28.4B
Q3 2022497$26.7B
Q2 2022424$16.6B
Q1 2022443$18.6B
Q4 2021435$19.0B
Q3 2021407$21.1B
Q2 2021401$19.0B
Q1 2021391$15.4B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2022.

Institutions holding ALNY in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Barings LLC1,661$242.0K0.01%+1,661New
Virtus ETF Advisers LLC1,738$253.0K0.09%−265−13.2%Reduced
Boston Private Wealth LLC1,763$257.0K0.00%+4+0.2%Added
Prudential PLC1,781$260.0K0.00%00.0%Unchanged
Caisse de Depot Et Placement du Quebec1,794$262.0K0.00%+1,794New
Cohen Lawrence B1,800$263.0K0.19%00.0%Unchanged
Toroso Investments, LLC1,808$264.0K0.01%−595−24.8%Reduced
Tudor Investment Corp Et Al1,845$269.0K0.01%+1,845New
MUFG Americas Holdings Corp1,867$272.0K0.01%+51+2.8%Added
Swiss Life Asset Management Ltd1,867$273.0K0.00%+1,867New
American International Group, Inc.1,885$275.0K0.00%−393−17.3%Reduced
Ghost Tree Capital, LLC1,900$277.0K0.19%+1,900New
Private Advisor Group, LLC1,967$287.0K0.00%−1,505−43.3%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,965$287.0K0.00%−60−3.0%Reduced
Segall Bryant & Hamill, LLC2,000$292.0K0.00%00.0%Unchanged
Security National Bank of So Dak2,000$292.0K0.24%00.0%Unchanged
North Star Asset Management Inc2,040$298.0K0.02%+20+1.0%Added
Glenmede Trust Co NA2,044$298.0K0.00%+2,044New
Tokio Marine Asset Management Co Ltd2,082$304.0K0.03%+374+21.9%Added
Corient Capital Partners, LLC2,121$309.0K0.02%−155−6.8%Reduced
Monograph Wealth Advisors, LLC2,126$310.0K0.09%−8−0.4%Reduced
Spearhead Capital Advisors, LLC2,151$314.0K0.05%−26−1.2%Reduced
B. Metzler seel. Sohn & Co. AG2,319$338.0K0.01%00.0%Unchanged
Veriti Management LLC2,380$347.0K0.05%−517−17.8%Reduced
Weiss Multi-Strategy Advisers LLC2,410$351.0K0.01%+2,410New
Robeco Institutional Asset Management B.V.2,411$352.0K0.00%−579−19.4%Reduced
Redpoint Investment Management Pty Ltd2,490$363.0K0.04%00.0%Unchanged
Brinker Capital Investments, LLC2,493$364.0K0.01%−281−10.1%Reduced
Motley Fool Asset Management LLC2,433$367.0K0.03%+9+0.4%Added
Creative Planning2,525$368.0K0.00%+1,146+83.1%Added
Greenleaf Trust2,557$373.0K0.01%+181+7.6%Added
Aureus Asset Management, LLC2,563$374.0K0.03%00.0%Unchanged
Bank of Nova Scotia2,594$378.0K0.00%−4,569−63.8%Reduced
Pearl River Capital, LLC2,606$380.0K0.09%−269−9.4%Reduced
Janney Montgomery Scott LLC2,671$380.0K0.00%+2,671New
Emerald Advisers, LLC2,621$382.0K0.02%−315−10.7%Reduced
Azzad Asset Management Inc2,666$388.8K0.04%+62+2.4%Added
New York Life Investment Management LLC2,725$397.0K0.00%+2,725New
Banque Cantonale Vaudoise2,800$408.0K0.02%00.0%Unchanged
Vestcor Inc2,797$408.0K0.02%+906+47.9%Added
Cushing Asset Management, LP2,821$411.0K0.04%−2,699−48.9%Reduced
Advisors Asset Management, Inc.2,854$416.0K0.01%+2,854New
AIA Group Ltd2,885$421.0K0.02%+2,885New
TD Waterhouse Canada Inc.2,812$422.4K0.00%−35−1.2%Reduced
Dai-Ichi Life Insurance Company, Ltd2,939$429.0K0.01%00.0%Unchanged
VELA Investment Management, LLC2,975$434.0K0.25%00.0%Unchanged
Wolverine Trading, LLC2,997$436.0K0.01%+1,425+90.6%Added
Horizon Kinetics Asset Management LLC3,000$438.0K0.01%00.0%Unchanged
Lloyd Park, LLC3,000$438.0K0.46%00.0%Unchanged
World Equity Group, Inc.3,049$444.7K0.11%−47−1.5%Reduced
Gotham Asset Management, LLC3,106$453.0K0.01%+1,808+139.3%Added
BI Asset Management Fondsmaeglerselskab A/S3,130$457.0K0.02%+1,262+67.6%Added
Illinois Municipal Retirement Fund3,239$472.0K0.01%+3,239New
Hall Laurie J Trustee3,250$474.0K0.22%00.0%Unchanged
Impax Asset Management Group plc3,312$483.0K0.00%−786−19.2%Reduced
E Fund Management Co., Ltd.3,315$483.0K0.04%+1,583+91.4%Added
CWM, LLC3,373$492.0K0.00%−6,579−66.1%Reduced
Steel Peak Wealth Management LLC3,457$504.0K0.04%+3,457New
First Foundation Advisors3,466$506.0K0.02%−8,568−71.2%Reduced
Citizens Business Bank3,500$510.0K0.07%00.0%Unchanged
Seeyond3,536$515.0K0.06%−71−2.0%Reduced
Sanders Morris Harris LLC3,500$519.0K0.11%00.0%Unchanged
Spectrum Planning & Advisory Services Inc.3,635$530.0K0.55%00.0%Unchanged
Duality Advisers, LP3,652$533.0K0.05%−1,819−33.2%Reduced
J.P. Marvel Investment Advisors, LLC4,008$585.0K0.14%00.0%Unchanged
D.A. Davidson & Co.4,081$595.0K0.01%+100+2.5%Added
Millennium Management LLC4,452$649.0K0.00%−59,505−93.0%Reduced
JustInvest LLC4,468$652.0K0.03%+275+6.6%Added
M&T Bank Corp4,543$662.0K0.00%−119−2.6%Reduced
Clearstead Advisors, LLC4,548$663.0K0.05%+40+0.9%Added
Commonwealth Equity Services, LLC4,576$667.0K0.00%−442−8.8%Reduced
Brandywine Managers, LLC4,608$672.0K1.65%00.0%Unchanged
Neuberger Berman Group LLC4,695$685.0K0.00%−1,590−25.3%Reduced
Aevitas Wealth Management, Inc.4,727$689.0K0.47%−730−13.4%Reduced
Allstate Corp4,792$699.0K0.02%−3,285−40.7%Reduced
Prudential Financial Inc4,858$707.0K0.00%−74−1.5%Reduced
Cetera Advisor Networks LLC4,853$708.0K0.01%+554+12.9%Added
Advisor Group Holdings, Inc.4,858$709.0K0.00%−825−14.5%Reduced
HighVista Strategies LLC4,988$728.0K0.44%−567−10.2%Reduced
DCF Advisers, LLC5,000$729.0K0.49%−14,000−73.7%Reduced
Truist Financial Corp5,000$729.0K0.00%−1,924−27.8%Reduced
Brewin Dolphin Ltd5,000$729.0K0.04%00.0%Unchanged
Oppenheimer & Co Inc5,056$738.0K0.02%+44+0.9%Added
Global Retirement Partners, LLC5,260$767.0K0.06%+47+0.9%Added
CIBC Asset Management Inc5,292$772.0K0.00%−95−1.8%Reduced
Vontobel Holding Ltd.5,403$786.0K0.01%−1,043−16.2%Reduced
Engineers Gate Manager LP5,424$791.0K0.03%+5,424New
Campbell & CO Investment Adviser LLC5,541$808.0K0.22%+2,689+94.3%Added
AlphaCrest Capital Management LLC5,544$809.0K0.04%+1,781+47.3%Added
First Hawaiian Bank5,723$834.0K0.03%+23+0.4%Added
Orion Capital Management LLC5,865$855.0K0.67%−700−10.7%Reduced
AQR Capital Management LLC6,014$865.0K0.00%−5,233−46.5%Reduced
Values First Advisors, Inc.6,066$885.0K0.63%−430−6.6%Reduced
AtonRa Partners6,072$886.0K0.81%−3,509−36.6%Reduced
Cubist Systematic Strategies, LLC6,211$906.0K0.01%−21,989−78.0%Reduced
Panagora Asset Management Inc6,565$958.0K0.01%00.0%Unchanged
Shell Asset Management Co6,761$986.0K0.03%+639+10.4%Added
Atom Investors LP6,915$1.01M0.44%+6,915New
Nordea Investment Management AB7,150$1.03M0.00%+272+4.0%Added
Sumitomo Mitsui DS Asset Management Company, Ltd7,112$1.04M0.02%00.0%Unchanged