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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, Q3 2022

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 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
497
+77 vs. Q2 2022
Shares held
133.4M
+19.9M (+17.5%) vs. Q2 2022
Total value
$26.7B
+$10.1B (+61.3%) vs. Q2 2022
New holders
117
171 more added
Sold out
40
151 more reduced

4 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 497 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 heldQ3 2022: $26.7B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2022.

Institutions holding ALNY in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Monashee Investment Management LLC3,000$600.0K0.22%+3,000New
D.A. Davidson & Co.2,976$596.0K0.01%−1,105−27.1%Reduced
CWM, LLC2,963$593.0K0.00%−410−12.2%Reduced
Dai-Ichi Life Insurance Company, Ltd2,939$588.0K0.01%00.0%Unchanged
Pearl River Capital, LLC2,935$587.0K0.11%+329+12.6%Added
Redpoint Investment Management Pty Ltd2,921$585.0K0.09%+431+17.3%Added
BI Asset Management Fondsmaeglerselskab A/S2,909$582.0K0.03%−221−7.1%Reduced
Tower Research Capital LLC (TRC)2,869$575.0K0.01%−10,801−79.0%Reduced
Vestcor Inc2,845$569.0K0.02%+48+1.7%Added
Landscape Capital Management, L.L.C.2,816$564.0K0.07%+2,816New
Ikarian Capital, LLC2,800$560.0K0.28%−58,437−95.4%Reduced
Assetmark, Inc2,792$559.0K0.00%+2,792New
Greenleaf Trust2,675$535.0K0.01%+118+4.6%Added
Azzad Asset Management Inc2,671$534.7K0.05%+5+0.2%Added
Brinker Capital Investments, LLC2,653$531.0K0.01%+160+6.4%Added
Emerald Advisers, LLC2,600$520.0K0.03%−21−0.8%Reduced
Western Financial Corporation2,591$519.0K0.36%+2,591New
Creative Planning2,587$518.0K0.00%+62+2.5%Added
Aureus Asset Management, LLC2,563$513.0K0.04%00.0%Unchanged
Campbell & CO Investment Adviser LLC2,558$512.0K0.12%−2,983−53.8%Reduced
New York Life Investment Management LLC2,442$489.0K0.01%−283−10.4%Reduced
Toroso Investments, LLC2,441$489.0K0.02%+633+35.0%Added
Advisors Asset Management, Inc.2,385$477.0K0.01%−469−16.4%Reduced
Motley Fool Asset Management LLC2,379$476.0K0.05%−54−2.2%Reduced
B. Metzler seel. Sohn & Co. AG2,319$464.0K0.01%00.0%Unchanged
Privium Fund Management B.V.2,100$440.0K0.17%−8,400−80.0%Reduced
Veriti Management LLC2,199$440.0K0.06%−181−7.6%Reduced
Tokio Marine Asset Management Co Ltd2,192$439.0K0.04%+110+5.3%Added
E Fund Management Co., Ltd.2,134$427.0K0.04%−1,181−35.6%Reduced
Monograph Wealth Advisors, LLC2,126$426.0K0.14%00.0%Unchanged
Prudential PLC2,097$420.0K0.01%+316+17.7%Added
Glenmede Trust Co NA2,051$410.0K0.00%+7+0.3%Added
Group One Trading, L.P.1,999$400.0K0.01%−60,219−96.8%Reduced
Segall Bryant & Hamill, LLC2,000$400.0K0.00%00.0%Unchanged
Security National Bank of So Dak2,000$400.0K0.36%00.0%Unchanged
Aquila Investment Management LLC2,000$400.0K0.30%+2,000New
Loring Wolcott & Coolidge Fiduciary Advisors LLP1,965$393.0K0.01%00.0%Unchanged
Engineers Gate Manager LP1,957$392.0K0.02%−3,467−63.9%Reduced
Bridgefront Capital, LLC1,921$385.0K0.39%+1,921New
Aigen Investment Management, LP1,923$385.0K0.06%+1,923New
Boston Private Wealth LLC1,921$384.0K0.01%+158+9.0%Added
First Foundation Advisors1,898$380.0K0.02%−1,568−45.2%Reduced
American International Group, Inc.1,891$379.0K0.00%+6+0.3%Added
MUFG Americas Holdings Corp1,880$376.0K0.01%+13+0.7%Added
Cohen Lawrence B1,800$360.0K0.28%00.0%Unchanged
MML Investors Services, LLC1,767$354.0K0.00%−8,148−82.2%Reduced
Magnetar Financial LLC1,760$352.0K0.00%−14,627−89.3%Reduced
Virtus ETF Advisers LLC1,761$352.0K0.14%+23+1.3%Added
Swiss Life Asset Management Ltd1,759$351.8K0.01%−108−5.8%Reduced
Beacon Pointe Advisors, LLC1,757$351.0K0.01%+156+9.7%Added
JGP Global Gestao de Recursos Ltda.1,737$348.0K0.30%+246+16.5%Added
Machina Capital S.A.S.1,717$344.0K0.73%+1,717New
Mutual of America Capital Management LLC1,710$342.0K0.00%+1,710New
Ethic Inc.1,692$339.0K0.02%+172+11.3%Added
Wetherby Asset Management Inc1,687$338.0K0.02%+1,687New
Souders Financial Advisors1,667$334.0K0.09%+1,667New
Kestra Advisory Services, LLC1,617$324.0K0.00%+201+14.2%Added
Abbrea Capital, LLC1,575$315.0K0.06%00.0%Unchanged
Corient Capital Partners, LLC2,121$309.0K0.02%00.0%Unchanged
Signaturefd, LLC1,545$309.0K0.01%+1,057+216.6%Added
North Star Asset Management Inc1,540$308.0K0.02%−500−24.5%Reduced
Clearstead Advisors, LLC1,508$302.0K0.03%−3,040−66.8%Reduced
Nixon Peabody Trust Co1,500$300.2K0.25%00.0%Unchanged
High Net Worth Advisory Group LLC1,500$300.0K0.13%00.0%Unchanged
Captrust Financial Advisors1,475$295.0K0.00%+190+14.8%Added
Qube Research & Technologies Ltd1,453$291.0K0.00%+1,453New
Healthcare of Ontario Pension Plan Trust Fund1,440$288.0K0.00%+1,440New
Fukoku Mutual Life Insurance Co1,430$286.0K0.03%−150−9.5%Reduced
DCF Advisers, LLC1,400$280.0K0.21%−3,600−72.0%Reduced
Ieq Capital, LLC1,392$279.0K0.01%+1,392New
Metis Global Partners, LLC1,345$269.0K0.04%+1,345New
Cigna Investments Inc1,335$267.0K0.06%+1,335New
Tranquilli Financial Advisor LLC1,336$267.0K0.21%+1,336New
Symmetry Partners, LLC1,331$266.0K0.02%+1,331New
Jump Financial, LLC1,324$265.0K0.01%+1,324New
Man Group plc1,318$264.0K0.00%––
Bridgewater Associates, LP1,283$257.0K0.00%−229−15.1%Reduced
Simplify Asset Management Inc.1,280$256.0K0.04%+1,280New
Gsa Capital Partners LLP1,239$248.0K0.03%+1,239New
SG Americas Securities, LLC1,219$244.0K0.00%−12,730−91.3%Reduced
Meiji Yasuda Asset Management Co Ltd.1,220$244.0K0.01%−190−13.5%Reduced
Coastline Trust Co1,200$240.0K0.04%+1,200New
Altfest L J & Co Inc1,176$235.0K0.04%−411−25.9%Reduced
Ritholtz Wealth Management1,165$233.0K0.01%+1,165New
Fund Management at Engine No. 1 LLC1,153$231.0K0.07%+1,153New
Peregrine Capital Management LLC1,147$230.0K0.01%−233−16.9%Reduced
Leonteq Securities AG1,138$227.8K0.01%−96−7.8%Reduced
First Republic Investment Management, Inc.1,135$227.0K0.00%+1,135New
Yousif Capital Management, LLC1,132$227.0K0.00%+1,132New
TD Waterhouse Canada Inc.1,134$226.6K0.00%−1,678−59.7%Reduced
China Universal Asset Management Co., Ltd.1,124$225.0K0.09%+1,124New
Shufro Rose & Co LLC1,100$220.0K0.02%+1,100New
Paloma Partners Management Co1,101$220.0K0.04%+1,101New
Laurel Wealth Advisors, Inc.1,100$220.0K0.02%+1,100New
SlateStone Wealth, LLC1,100$220.0K0.06%+1,100New
Boothbay Fund Management, LLC1,093$219.0K0.01%−6,791−86.1%Reduced
Crossmark Global Holdings, Inc.1,094$219.0K0.01%+1,094New
Ellevest, Inc.1,088$218.0K0.02%+98+9.9%Added
Kornitzer Capital Management Inc1,080$216.0K0.00%+1,080New
Archford Capital Strategies, LLC1,044$209.0K0.05%+1,044New