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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 2023

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2023. 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
477
0 vs. Q1 2023
Shares held
118.6M
−995.1K (−0.8%) vs. Q1 2023
Total value
$22.5B
−$1.43B (−6.0%) vs. Q1 2023
New holders
54
163 more added
Sold out
54
156 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 477 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 2023: $22.5B
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 2023

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding ALNY in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Acadian Asset Management LLC593$112.0K0.00%+593New
Itau Unibanco Holding S.A.610$115.9K0.01%+40+7.0%Added
Quantbot Technologies LP699$132.8K0.01%+699New
Leonteq Securities AG711$135.0K0.01%−96−11.9%Reduced
UniSuper Management Pty Ltd900$170.9K0.00%+900New
TD Waterhouse Canada Inc.890$172.0K0.00%−41−4.4%Reduced
Advisors Asset Management, Inc.917$174.2K0.00%−34−3.6%Reduced
Lazard Asset Management LLC939$177.0K0.00%+350+59.4%Added
Artal Group S.A.936$178.0K0.01%+936New
Westpac Banking Corp946$179.7K0.01%−10,316−91.6%Reduced
Walleye Capital LLC1,040$197.5K0.00%+1,040New
Fort Sheridan Advisors LLC1,078$204.8K0.05%00.0%Unchanged
SlateStone Wealth, LLC1,100$209.0K0.04%00.0%Unchanged
Crossmark Global Holdings, Inc.1,062$211.0K0.00%−72−6.3%Reduced
Altfest L J & Co Inc1,109$211.0K0.03%−18−1.6%Reduced
Humankind Investments LLC1,113$211.4K0.08%+1,113New
Vident Investment Advisory, LLC1,144$217.3K0.01%+1,144New
Peregrine Capital Management LLC1,147$217.9K0.01%00.0%Unchanged
EP Wealth Advisors, LLC1,106$224.5K0.00%00.0%Unchanged
Coastline Trust Co1,200$227.9K0.03%00.0%Unchanged
Quintet Private Bank (Europe) S.A.1,217$230.9K0.01%−1,303−51.7%Reduced
Meiji Yasuda Asset Management Co Ltd.1,220$232.0K0.01%00.0%Unchanged
Meridian Financial, LLC1,234$234.4K0.21%00.0%Unchanged
Inceptionr LLC1,279$242.9K0.13%+1,279New
Advisor Partners II, LLC1,308$248.4K0.01%+1,308New
Empowered Funds, LLC1,318$250.3K0.01%−17−1.3%Reduced
EA Series Trust1,318$250.3K0.01%+1,318New
Cigna Investments Inc1,322$251.0K0.05%00.0%Unchanged
Machina Capital S.A.S.1,324$251.5K0.14%+1,324New
Symmetry Partners, LLC1,331$253.0K0.01%00.0%Unchanged
Marex Group plc1,334$253.4K0.05%−239−15.2%Reduced
O'Shaughnessy Asset Management, LLC1,336$253.8K0.00%+1,336New
Ellevest, Inc.1,360$258.3K0.02%+491+56.5%Added
Gilbert & Cook, Inc.1,360$258.3K0.04%+1,360New
Yousif Capital Management, LLC1,406$267.1K0.00%−21−1.5%Reduced
Abbrea Capital, LLC1,425$271.0K0.04%00.0%Unchanged
Cetera Advisor Networks LLC1,482$281.5K0.00%−165−10.0%Reduced
Delphia (USA) Inc.1,490$283.0K0.45%+1,490New
Ieq Capital, LLC1,499$284.7K0.01%+194+14.9%Added
Nixon Peabody Trust Co1,500$284.9K0.23%00.0%Unchanged
High Net Worth Advisory Group LLC1,500$284.9K0.11%00.0%Unchanged
Los Angeles Capital Management LLC1,507$286.2K0.00%00.0%Unchanged
North Star Asset Management Inc1,515$287.8K0.02%−25−1.6%Reduced
Clearstead Advisors, LLC1,518$288.3K0.02%00.0%Unchanged
Great Lakes Advisors, LLC1,518$288.3K0.00%+1,518New
Wetherby Asset Management Inc1,553$295.0K0.02%+191+14.0%Added
Nomura Holdings Inc1,572$298.6K0.00%−10,779−87.3%Reduced
Beacon Pointe Advisors, LLC1,580$300.1K0.00%−126−7.4%Reduced
DCF Advisers, LLC1,600$303.9K0.21%+200+14.3%Added
Ossiam1,620$307.7K0.01%+783+93.5%Added
Fund Management at Engine No. 1 LLC1,622$308.1K0.06%+130+8.7%Added
Signaturefd, LLC1,668$316.8K0.01%+223+15.4%Added
Mutual of America Capital Management LLC1,687$320.4K0.00%+54+3.3%Added
Virtus ETF Advisers LLC1,731$328.8K0.19%+414+31.4%Added
Graham Capital Management, L.P.1,769$336.0K0.01%+1,769New
Bridgewater Associates, LP1,796$341.1K0.00%+541+43.1%Added
Cohen Lawrence B1,800$341.9K0.22%00.0%Unchanged
Virtu Financial LLC1,808$343.0K0.03%+1,808New
Pictet & Cie (Europe) SA1,813$344.4K0.01%+1,813New
Sawtooth Solutions, LLC1,847$350.8K0.01%+138+8.1%Added
Bleakley Financial Group, LLC1,856$352.5K0.01%+147+8.6%Added
Boston Private Wealth LLC1,872$355.6K0.01%+27+1.5%Added
JGP Global Gestao de Recursos Ltda.1,876$356.3K0.25%−16−0.8%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,965$373.2K0.00%00.0%Unchanged
Ethic Inc.1,973$374.8K0.01%+455+30.0%Added
Farallon Capital Management, L.L.C.2,000$379.9K0.00%−4,719−70.2%Reduced
Aquila Investment Management LLC2,000$379.9K0.31%00.0%Unchanged
E. Ohman J:or Asset Management AB2,000$379.9K0.01%00.0%Unchanged
Segall Bryant & Hamill, LLC2,000$379.9K0.00%00.0%Unchanged
Security National Bank of So Dak2,000$379.9K0.27%+2,000New
American International Group, Inc.2,066$392.4K0.00%+237+13.0%Added
Monograph Wealth Advisors, LLC2,126$403.8K0.09%00.0%Unchanged
Glenmede Trust Co NA2,037$408.1K0.00%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S2,209$420.0K0.01%−9,853−81.7%Reduced
Toroso Investments, LLC2,221$422.0K0.01%−1,574−41.5%Reduced
Integrated Wealth Concepts LLC2,271$431.4K0.01%−135−5.6%Reduced
Motley Fool Asset Management LLC2,279$432.9K0.04%+2,279New
E Fund Management Co., Ltd.2,341$445.0K0.04%+226+10.7%Added
Brinker Capital Investments, LLC2,356$447.5K0.00%−128−5.2%Reduced
Orion Portfolio Solutions, LLC2,356$447.5K0.00%−128−5.2%Reduced
Veriti Management LLC2,371$450.3K0.05%+84+3.7%Added
Raymond James Financial Services Advisors, Inc.2,378$451.7K0.00%−2,389−50.1%Reduced
New York Life Investment Management LLC2,413$458.3K0.00%−90−3.6%Reduced
Schonfeld Strategic Advisors LLC2,466$468.4K0.00%−12,770−83.8%Reduced
Bank of Nova Scotia2,491$473.1K0.00%−760−23.4%Reduced
Greenleaf Trust2,623$498.2K0.01%−137−5.0%Reduced
Souders Financial Advisors2,653$503.9K0.10%+417+18.6%Added
Headlands Technologies LLC2,664$506.0K0.16%+2,664New
Harbor Capital Advisors, Inc.2,724$517.4K0.10%−14−0.5%Reduced
Azzad Asset Management Inc2,725$517.6K0.07%+11+0.4%Added
Fosun International Ltd2,730$518.5K0.07%00.0%Unchanged
Regal Investment Advisors LLC2,795$530.9K0.04%+853+43.9%Added
Fox Run Management, L.L.C.2,797$531.3K0.15%+2,797New
Vestcor Inc2,833$538.0K0.02%00.0%Unchanged
Corton Capital Inc.2,891$549.1K0.26%+2,891New
Alberta Investment Management Corp2,900$550.8K0.01%00.0%Unchanged
Sequoia Financial Advisors, LLC2,951$560.5K0.01%+2,951New
Ci Investments Inc.2,985$567.0K0.00%+1,355+83.1%Added
Horizon Kinetics Asset Management LLC3,000$569.8K0.01%00.0%Unchanged
Steel Peak Wealth Management LLC3,017$573.0K0.03%+322+11.9%Added