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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 2023

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 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
454
−15 vs. Q2 2023
Shares held
117.8M
+10.8K (0.0%) vs. Q2 2023
Total value
$20.9B
−$1.52B (−6.8%) vs. Q2 2023
New holders
43
161 more added
Sold out
58
165 more reduced

8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 454 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 2023: $20.9B
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 2023

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding ALNY in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Centerpoint Advisors, LLC2$00.00%00.0%Unchanged
Avion Wealth5$00.00%+2+66.7%Added
Cornerstone Planning Group LLC1$1770.00%+1New
Crewe Advisors LLC1$1780.00%00.0%Unchanged
True Wealth Design, LLC1$1780.00%00.0%Unchanged
J.Safra Asset Management Corp2$3540.00%00.0%Unchanged
Raleigh Capital Management Inc.2$3540.00%+2New
Proequities, Inc.3$5310.00%+3New
Manchester Capital Management LLC3$5320.00%00.0%Unchanged
Abound Wealth Management3$5320.00%00.0%Unchanged
Versant Capital Management, Inc4$7080.00%−1−20.0%Reduced
Fifth Third Bancorp4$7080.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC4$7080.00%00.0%Unchanged
GWM Advisors LLC4$7080.00%00.0%Unchanged
JNBA Financial Advisors4$7090.00%+4New
DT Investment Partners, LLC5$8860.00%00.0%Unchanged
ClariVest Asset Management LLC4$1.00K0.00%00.0%Unchanged
Penserra Capital Management LLC9$1.00K0.00%+3+50.0%Added
Macroview Investment Management LLC6$1.06K0.00%+6New
Montag A & Associates Inc7$1.24K0.00%00.0%Unchanged
SJS Investment Consulting Inc.7$1.24K0.00%+2+40.0%Added
JJJ Advisors Inc.8$1.42K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.8$1.42K0.00%+5+166.7%Added
AdvisorNet Financial, Inc9$1.59K0.00%−15−62.5%Reduced
Baker Avenue Asset Management, LP10$1.77K0.00%+3+42.9%Added
NBC Securities, Inc.16$2.00K0.00%+16New
Steward Financial Group LLC15$2.00K0.00%+15New
Raffa Wealth Management, LLC13$2.30K0.00%00.0%Unchanged
Cary Street Partner Investment Advisory LLC13$2.30K0.00%00.0%Unchanged
Semmax Financial Advisors Inc.14$2.31K0.00%+14New
Front Row Advisors LLC14$2.48K0.00%00.0%Unchanged
WFA Asset Management Corp14$2.48K0.00%00.0%Unchanged
Sunbelt Securities, Inc.15$2.66K0.00%00.0%Unchanged
Piscataqua Savings Bank15$2.66K0.00%00.0%Unchanged
Smithfield Trust Co15$3.00K0.00%00.0%Unchanged
Thomas J. Herzfeld Advisors, Inc.21$3.72K0.00%00.0%Unchanged
Harvest Fund Management Co., Ltd23$4.00K0.00%00.0%Unchanged
Zions Bancorporation, N.A.24$4.25K0.00%00.0%Unchanged
Parkside Financial Bank & Trust25$4.43K0.00%+2+8.7%Added
Farther Finance Advisors, LLC25$4.43K0.00%+4+19.0%Added
Massmutual Trust Co FSB26$4.61K0.00%+1+4.0%Added
JFS Wealth Advisors, LLC26$4.61K0.00%+5+23.8%Added
EverSource Wealth Advisors, LLC30$5.31K0.00%−73−70.9%Reduced
Huntington National Bank30$5.31K0.00%−12−28.6%Reduced
Bogart Wealth, LLC36$6.38K0.00%00.0%Unchanged
Whittier Trust Co38$6.73K0.00%+2+5.6%Added
Bell Investment Advisors, Inc38$6.73K0.00%00.0%Unchanged
Park Place Capital Corp49$8.68K0.00%00.0%Unchanged
Quent Capital, LLC50$8.86K0.00%−8−13.8%Reduced
Peoples Financial Services Corp.50$8.86K0.00%00.0%Unchanged
St. Johns Investment Management Company, LLC50$8.86K0.01%00.0%Unchanged
TFC Financial Management50$8.86K0.00%00.0%Unchanged
Harbour Investments, Inc.53$9.39K0.00%+6+12.8%Added
Earnest Partners LLC61$10.8K0.00%00.0%Unchanged
Covestor Ltd64$11.0K0.01%−3−4.5%Reduced
Paloma Partners Management Co64$11.3K0.00%+64New
Central Trust Co67$11.9K0.00%00.0%Unchanged
Valley National Advisers Inc76$13.0K0.00%+1+1.3%Added
Sandy Spring Bank75$13.3K0.00%00.0%Unchanged
Global Retirement Partners, LLC90$15.2K0.00%+5+5.9%Added
First Horizon Advisors, Inc.88$15.6K0.00%−7−7.4%Reduced
Cape Investment Advisory, Inc.93$16.5K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.101$19.0K0.00%+10+11.0%Added
Gradient Investments LLC114$20.2K0.00%−2−1.7%Reduced
Global Trust Asset Management, LLC122$21.6K0.01%00.0%Unchanged
Brown, Lisle/Cummings, Inc.125$22.1K0.01%00.0%Unchanged
Glassman Wealth Services136$24.1K0.00%−5−3.5%Reduced
Capital Advisors, Ltd. LLC173$31.0K0.00%+15+9.5%Added
CKW Financial Group200$35.0K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt200$35.4K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$35.4K0.00%00.0%Unchanged
Archer Investment Corp200$35.4K0.01%00.0%Unchanged
KB Financial Partners, LLC205$36.0K0.01%+31+17.8%Added
Parallel Advisors, LLC227$40.2K0.00%+18+8.6%Added
Allworth Financial LP261$46.2K0.00%+42+19.2%Added
Lindbrook Capital, LLC269$47.6K0.01%+22+8.9%Added
Quadrant Capital Group LLC275$48.7K0.00%+23+9.1%Added
Prestige Wealth Management Group LLC314$55.6K0.01%+304+3,040.0%Added
Alta Advisers Ltd400$70.8K0.04%00.0%Unchanged
Steward Partners Investment Advisory, LLC420$74.4K0.00%+15+3.7%Added
Centiva Capital, LP421$74.6K0.00%+421New
IFP Advisors, Inc454$80.3K0.00%+1+0.2%Added
Ostrum Asset Management455$80.6K0.01%−4−0.9%Reduced
Desjardins Global Asset Management Inc.458$81.1K0.01%+458New
Bessemer Group Inc476$84.0K0.00%+105+28.3%Added
Northwestern Mutual Wealth Management Co480$85.0K0.00%+45+10.3%Added
National Bank of Canada485$86.7K0.00%−2,781−85.2%Reduced
Baystate Wealth Management LLC527$93.3K0.01%00.0%Unchanged
1832 Asset Management L.P.545$96.5K0.00%00.0%Unchanged
Spire Wealth Management580$102.7K0.00%−1−0.2%Reduced
Leonteq Securities AG583$103.2K0.01%−128−18.0%Reduced
Itau Unibanco Holding S.A.608$107.7K0.00%−2−0.3%Reduced
Brown Brothers Harriman & Co642$113.7K0.00%+615+2,277.8%Added
TD Waterhouse Canada Inc.840$154.0K0.00%−50−5.6%Reduced
UniSuper Management Pty Ltd900$159.4K0.00%00.0%Unchanged
Acadian Asset Management LLC904$160.0K0.00%+311+52.4%Added
Artal Group S.A.936$166.0K0.01%00.0%Unchanged
Westpac Banking Corp946$167.5K0.01%00.0%Unchanged
Liontrust Investment Partners LLP967$171.3K0.00%−10,256−91.4%Reduced
Qube Research & Technologies Ltd1,000$177.1K0.00%+1,000New