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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, Q4 2021

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 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
435
+36 vs. Q3 2021
Shares held
112.1M
+547.7K (+0.5%) vs. Q3 2021
Total value
$19.0B
−$2.05B (−9.7%) vs. Q3 2021
New holders
77
156 more added
Sold out
41
132 more reduced

8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 435 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 heldQ4 2021: $19.0B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding ALNY in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Covington Capital Management2$00.00%−8−80.0%Reduced
BerganKDV Wealth Management, LLC2$00.00%00.0%Unchanged
Harbor Investment Advisory, LLC1$00.00%+1New
Capital Advisors, Ltd. LLC1$00.00%+1New
TCI Wealth Advisors, Inc.4$1.00K0.00%−35−89.7%Reduced
JJJ Advisors Inc.8$1.00K0.00%00.0%Unchanged
Private Capital Group, LLC8$1.00K0.00%00.0%Unchanged
Psagot Value Holdings Ltd. / (Israel)7$1.00K0.00%−3−30.0%Reduced
ClariVest Asset Management LLC4$1.00K0.00%00.0%Unchanged
Corbenic Partners LLC5$1.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB6$1.00K0.00%+6New
Lee Financial Co7$1.00K0.00%+7New
Column Capital Advisors, LLC3$1.00K0.00%+3New
Lenox Wealth Advisors, LLC6$1.00K0.00%+6New
EverSource Wealth Advisors, LLC7$1.00K0.00%+7New
Ellis Investment Partners, LLC11$1.00K0.00%+11New
Schubert & Co5$1.00K0.00%+5New
Front Row Advisors LLC14$2.00K0.00%00.0%Unchanged
Versant Capital Management, Inc9$2.00K0.00%00.0%Unchanged
Annapolis Financial Services, LLC10$2.00K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC10$2.00K0.00%+10New
Raffa Wealth Management, LLC13$2.21K0.00%00.0%Unchanged
WFA Asset Management Corp14$2.38K0.00%+14New
TD Private Client Wealth LLC15$2.54K0.00%−18−54.5%Reduced
TSFG, LLC17$3.00K0.00%−75−81.5%Reduced
Tarbox Family Office, Inc.20$3.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc18$3.00K0.00%−4−18.2%Reduced
Smithfield Trust Co15$3.00K0.00%00.0%Unchanged
Signet Financial Management, LLC18$3.00K0.00%+18New
Snowden Capital Advisors LLC22$3.00K0.00%+22New
SkyView Investment Advisors, LLC509$4.00K0.00%−724−58.7%Reduced
Tilia Fiduciary Partners, Inc.21$4.00K0.00%+21New
Benjamin F. Edwards & Company, Inc.28$5.00K0.00%+11+64.7%Added
Whittier Trust Co36$6.00K0.00%00.0%Unchanged
Bogart Wealth, LLC36$6.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust35$6.00K0.00%+4+12.9%Added
Robeco Institutional Asset Management B.V.39$7.00K0.00%+39New
Standard Family Office LLC40$7.00K0.06%+40New
Peoples Financial Services Corp.50$8.00K0.00%00.0%Unchanged
St. Johns Investment Management Company, LLC50$8.00K0.00%00.0%Unchanged
Monolith Advisors49$8.00K0.01%+49New
Motley Fool Asset Management LLC56$9.00K0.00%+56New
Dark Forest Capital Management LP55$9.00K0.00%+55New
Earnest Partners LLC61$10.0K0.00%00.0%Unchanged
First Horizon Advisors, Inc.69$10.0K0.00%+13+23.2%Added
Allworth Financial LP61$10.0K0.00%+61New
Covestor Ltd56$10.0K0.01%+56New
Central Trust Co67$11.0K0.00%00.0%Unchanged
Proequities, Inc.72$12.0K0.00%+30+71.4%Added
Huntington National Bank81$14.0K0.00%−5−5.8%Reduced
State of Wyoming94$16.0K0.01%−47−33.3%Reduced
Lumature Wealth Partners, LLC100$17.0K0.01%−50−33.3%Reduced
Gradient Investments LLC110$19.0K0.00%00.0%Unchanged
Concord Wealth Partners119$20.0K0.00%+38+46.9%Added
Global Trust Asset Management, LLC122$21.0K0.01%−13−9.6%Reduced
TFC Financial Management125$21.0K0.01%00.0%Unchanged
Optiver Holding B.V.124$21.0K0.00%+124New
Glassman Wealth Services150$25.0K0.00%+13+9.5%Added
Atlas Capital Advisors LLC165$28.0K0.00%00.0%Unchanged
CKW Financial Group200$30.0K0.00%00.0%Unchanged
FSB Premier Wealth Management, Inc.178$30.0K0.01%+178New
Patriot Financial Group Insurance Agency, LLC180$31.0K0.01%−113−38.6%Reduced
Achmea Investment Management B.V.184$31.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC183$31.0K0.00%−3−1.6%Reduced
KRS Capital Management, LLC200$33.0K0.03%+200New
Anchor Investment Management, LLC200$33.9K0.00%00.0%Unchanged
KB Financial Partners, LLC198$34.0K0.01%−1,057−84.2%Reduced
Vigilant Capital Management, LLC200$34.0K0.00%00.0%Unchanged
HM Payson & Co218$37.0K0.00%+218New
Koshinski Asset Management, Inc.235$39.9K0.00%00.0%Unchanged
Parallel Advisors, LLC266$45.0K0.00%−84−24.0%Reduced
Quadrant Capital Group LLC352$60.0K0.01%−52−12.9%Reduced
United Community Bank365$61.9K0.06%+365New
IFP Advisors, Inc377$73.0K0.00%+7+1.9%Added
Spire Wealth Management468$81.0K0.00%+9+2.0%Added
GraniteShares Advisors LLC595$100.0K0.05%+595New
Northwestern Mutual Wealth Management Co601$102.0K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC624$105.0K0.03%+580+1,318.2%Added
Ci Investments Inc.643$109.0K0.00%+126+24.4%Added
Centaurus Financial, Inc.700$119.0K0.01%00.0%Unchanged
Lazard Asset Management LLC723$122.0K0.00%−1,037−58.9%Reduced
Steward Partners Investment Advisory, LLC754$128.0K0.00%00.0%Unchanged
Leonteq Securities AG766$129.9K0.01%−1,012−56.9%Reduced
Harvest Fund Management Co., Ltd874$148.0K0.03%00.0%Unchanged
Captrust Financial Advisors903$153.0K0.00%+50+5.9%Added
Signaturefd, LLC923$157.0K0.00%−29−3.0%Reduced
Ellevest, Inc.945$160.0K0.01%−126−11.8%Reduced
Semmax Financial Advisors Inc.993$168.0K0.06%−189−16.0%Reduced
Itau Unibanco Holding S.A.996$170.0K0.01%+250+33.5%Added
High Net Worth Advisory Group LLC1,000$170.0K0.06%+1,000New
Baystate Wealth Management LLC1,055$179.0K0.02%00.0%Unchanged
Atlantic Trust, LLC1,123$190.0K0.11%00.0%Unchanged
Baird Financial Group, Inc.1,194$202.0K0.00%+25+2.1%Added
Coastline Trust Co1,200$203.0K0.02%00.0%Unchanged
Ikarian Capital, LLC1,195$204.0K0.06%−266−18.2%Reduced
Cetera Investment Advisers1,217$206.0K0.00%+1,217New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,258$213.0K0.00%−56,992−97.8%Reduced
Kestra Advisory Services, LLC1,265$215.0K0.00%−1,435−53.1%Reduced
STRS Ohio1,291$218.0K0.00%00.0%Unchanged
JGP Global Gestao de Recursos Ltda.1,302$221.0K0.10%−2−0.2%Reduced