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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 2021

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2021. 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
407
+10 vs. Q2 2021
Shares held
111.7M
+29.7K (0.0%) vs. Q2 2021
Total value
$21.1B
+$2.15B (+11.4%) vs. Q2 2021
New holders
51
155 more added
Sold out
41
121 more reduced

4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 407 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 2021: $21.1B
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 2021

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2021.

Institutions holding ALNY in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vestcor Inc1,738$328.0K0.01%−225−11.5%Reduced
Centiva Capital, LP1,731$327.0K0.03%−2,945−63.0%Reduced
Geneos Wealth Management Inc.1,686$324.0K0.01%+3+0.2%Added
World Asset Management Inc1,694$320.0K0.03%−160−8.6%Reduced
Paloma Partners Management Co1,697$320.0K0.01%+1,697New
MUFG Americas Holdings Corp1,666$315.0K0.01%+8+0.5%Added
Walleye Trading LLC1,600$302.0K0.01%−651−28.9%Reduced
ProVise Management Group, LLC1,598$302.0K0.03%00.0%Unchanged
Abbrea Capital, LLC1,575$297.0K0.04%00.0%Unchanged
Beacon Pointe Advisors, LLC1,550$293.0K0.01%+1,550New
Tokio Marine Asset Management Co Ltd1,547$292.0K0.03%+263+20.5%Added
Fukoku Mutual Life Insurance Co1,530$289.0K0.02%+230+17.7%Added
Nixon Peabody Trust Co1,500$283.0K0.10%−500−25.0%Reduced
Security National Bank of So Dak1,500$283.0K0.22%+1,500New
Creative Planning1,468$277.0K0.00%+1,468New
Ikarian Capital, LLC1,461$276.0K0.06%+1,461New
Symmetry Partners, LLC1,331$264.0K0.02%00.0%Unchanged
Peregrine Capital Management LLC1,380$261.0K0.01%00.0%Unchanged
Meristem Family Wealth, LLC1,344$254.0K0.02%+1,344New
JGP Global Gestao de Recursos Ltda.1,304$246.0K0.09%−67−4.9%Reduced
Green Harvest Asset Management LLC1,304$246.0K0.04%+10+0.8%Added
Campbell & CO Investment Adviser LLC1,300$245.0K0.08%+1,300New
STRS Ohio1,291$243.0K0.00%00.0%Unchanged
Wetherby Asset Management Inc1,262$238.0K0.01%+51+4.2%Added
KB Financial Partners, LLC1,255$237.0K0.09%+205+19.5%Added
Meiji Yasuda Asset Management Co Ltd.1,240$234.0K0.02%+60+5.1%Added
SkyView Investment Advisors, LLC1,233$233.0K0.07%+1,233New
Phoenix Holdings Ltd.1,296$229.0K0.00%+1,296New
Coastline Trust Co1,200$227.0K0.03%00.0%Unchanged
Semmax Financial Advisors Inc.1,182$223.0K0.08%−138−10.5%Reduced
Baird Financial Group, Inc.1,169$221.0K0.00%+1,169New
Laurel Wealth Advisors, Inc.1,137$215.0K0.04%+1,137New
Engineers Gate Manager LP1,134$214.0K0.01%−14,830−92.9%Reduced
Atlantic Trust, LLC1,123$212.0K0.13%+1,123New
Ethic Inc.1,122$212.0K0.02%+1,122New
Ellevest, Inc.1,071$202.0K0.02%+62+6.1%Added
Verition Fund Management LLC1,068$202.0K0.00%+1,068New
Baystate Wealth Management LLC1,055$199.0K0.02%00.0%Unchanged
Signaturefd, LLC952$180.0K0.01%+12+1.3%Added
Tower Research Capital LLC (TRC)896$169.0K0.00%−1,182−56.9%Reduced
Harvest Fund Management Co., Ltd874$165.0K0.04%+783+860.4%Added
Captrust Financial Advisors853$161.0K0.00%+151+21.5%Added
Steward Partners Investment Advisory, LLC754$142.0K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.746$141.0K0.01%+149+25.0%Added
Centaurus Financial, Inc.700$132.0K0.01%00.0%Unchanged
Northwestern Mutual Wealth Management Co601$114.0K0.00%00.0%Unchanged
Ci Investments Inc.517$98.0K0.00%+517New
Berman Capital Advisors, LLC469$88.0K0.01%+55+13.3%Added
Spire Wealth Management459$87.0K0.00%00.0%Unchanged
IFP Advisors, Inc370$77.0K0.00%+15+4.2%Added
Quadrant Capital Group LLC404$76.0K0.01%+39+10.7%Added
Parallel Advisors, LLC350$66.0K0.00%+167+91.3%Added
Patriot Financial Group Insurance Agency, LLC293$55.0K0.01%+48+19.6%Added
Koshinski Asset Management, Inc.235$44.4K0.00%+235New
O'Shaughnessy Asset Management, LLC220$42.0K0.00%+92+71.9%Added
CKW Financial Group200$39.0K0.01%00.0%Unchanged
Vigilant Capital Management, LLC200$38.0K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$37.8K0.01%00.0%Unchanged
Lindbrook Capital, LLC186$35.0K0.01%+13+7.5%Added
Achmea Investment Management B.V.184$35.0K0.00%+184New
Atlas Capital Advisors LLC165$31.2K0.00%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA150$28.3K0.03%+150New
Lumature Wealth Partners, LLC150$28.0K0.01%−61−28.9%Reduced
State of Wyoming141$27.0K0.02%−281−66.6%Reduced
Glassman Wealth Services137$26.0K0.01%+2+1.5%Added
Global Trust Asset Management, LLC135$25.0K0.01%00.0%Unchanged
TFC Financial Management125$24.0K0.01%00.0%Unchanged
Gradient Investments LLC110$21.0K0.00%00.0%Unchanged
TSFG, LLC92$17.0K0.01%+4+4.5%Added
Huntington National Bank86$16.0K0.00%+5+6.2%Added
Concord Wealth Partners81$15.0K0.01%+31+62.0%Added
Central Trust Co67$13.0K0.00%00.0%Unchanged
Earnest Partners LLC61$12.0K0.00%00.0%Unchanged
First Horizon Advisors, Inc.56$10.0K0.00%+40+250.0%Added
Peoples Financial Services Corp.50$9.00K0.00%00.0%Unchanged
St. Johns Investment Management Company, LLC50$9.00K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC44$9.00K0.00%+14+46.7%Added
Proequities, Inc.42$8.00K0.00%−3−6.7%Reduced
Whittier Trust Co36$7.00K0.00%00.0%Unchanged
Bogart Wealth, LLC36$7.00K0.00%00.0%Unchanged
Carroll Financial Associates, Inc.41$7.00K0.00%+7+20.6%Added
TCI Wealth Advisors, Inc.39$7.00K0.00%+36+1,200.0%Added
Bessemer Group Inc39$7.00K0.00%+39New
TD Private Client Wealth LLC33$6.23K0.00%00.0%Unchanged
Parkside Financial Bank & Trust31$6.00K0.00%+5+19.2%Added
Tarbox Family Office, Inc.20$4.00K0.00%00.0%Unchanged
Meridian Wealth Partners, LLC24$4.00K0.00%+24New
Bell Investment Advisors, Inc22$4.00K0.00%+22New
Smithfield Trust Co15$3.00K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.17$3.00K0.00%+2+13.3%Added
Front Row Advisors LLC14$3.00K0.00%00.0%Unchanged
Asset Dedication, LLC16$3.00K0.00%+16New
Raffa Wealth Management, LLC13$2.46K0.00%00.0%Unchanged
Covington Capital Management10$2.00K0.00%−3−23.1%Reduced
Annapolis Financial Services, LLC10$2.00K0.00%00.0%Unchanged
JJJ Advisors Inc.8$2.00K0.00%00.0%Unchanged
Private Capital Group, LLC8$2.00K0.00%00.0%Unchanged
Versant Capital Management, Inc9$2.00K0.00%+2+28.6%Added
Psagot Investment House Ltd.10$2.00K0.00%+10New
Psagot Value Holdings Ltd. / (Israel)10$2.00K0.00%+10New