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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 2023

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 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
501
+53 vs. Q3 2023
Shares held
117.1M
−655.2K (−0.6%) vs. Q3 2023
Total value
$22.4B
+$1.57B (+7.5%) vs. Q3 2023
New holders
97
166 more added
Sold out
44
161 more reduced

6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 501 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 2023: $22.4B
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 2023

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding ALNY in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Dogwood Wealth Management LLC0$30.00%0New
Cornerstone Planning Group LLC1$1910.00%00.0%Unchanged
True Wealth Design, LLC1$1920.00%00.0%Unchanged
Johnson Financial Group, Inc.1$1920.00%+1New
Raleigh Capital Management Inc.2$3830.00%00.0%Unchanged
Able Wealth Management LLC2$3830.00%+2New
Colonial Trust Co2$3940.00%+2New
SJS Investment Consulting Inc.3$5750.00%−4−57.1%Reduced
Manchester Capital Management LLC3$5750.00%00.0%Unchanged
MV Capital Management, Inc.3$5750.00%+3New
Abound Wealth Management4$7060.00%+1+33.3%Added
GWM Advisors LLC4$7650.00%00.0%Unchanged
JNBA Financial Advisors4$7660.00%00.0%Unchanged
Fifth Third Bancorp4$7660.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC4$7660.00%00.0%Unchanged
DT Investment Partners, LLC5$9010.00%00.0%Unchanged
First Manhattan Co4$9570.00%+4New
Penserra Capital Management LLC9$1.00K0.00%00.0%Unchanged
Avion Wealth6$1.00K0.00%+1+20.0%Added
Laffer Tengler Investments6$1.15K0.00%+6New
Winthrop Capital Management, LLC6$1.15K0.00%+6New
DiNuzzo Private Wealth, Inc.6$1.15K0.00%+6New
Montag A & Associates Inc7$1.34K0.00%00.0%Unchanged
Criterion Capital Advisors, LLC7$1.34K0.00%+7New
AdvisorNet Financial, Inc8$1.53K0.00%−1−11.1%Reduced
JJJ Advisors Inc.8$1.53K0.00%00.0%Unchanged
Versant Capital Management, Inc9$1.72K0.00%+5+125.0%Added
FSA Wealth Management LLC8$2.00K0.00%+8New
Semmax Financial Advisors Inc.14$2.27K0.00%00.0%Unchanged
Raffa Wealth Management, LLC13$2.49K0.00%00.0%Unchanged
WFA Asset Management Corp14$2.68K0.00%00.0%Unchanged
Front Row Advisors LLC14$2.68K0.00%00.0%Unchanged
Sunbelt Securities, Inc.15$2.87K0.00%00.0%Unchanged
Piscataqua Savings Bank15$2.87K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC15$2.87K0.00%−11−42.3%Reduced
NBC Securities, Inc.16$3.00K0.00%00.0%Unchanged
Cetera Trust Company, N.A16$3.06K0.00%+16New
Zions Bancorporation, N.A.19$3.64K0.00%−5−20.8%Reduced
Sachetta, LLC19$3.64K0.00%+19New
Harvest Fund Management Co., Ltd23$4.00K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.21$4.02K0.00%+13+162.5%Added
Allspring Global Investments Holdings, LLC25$4.79K0.00%−77,988−100.0%Reduced
Proequities, Inc.26$4.98K0.00%+23+766.7%Added
Private Wealth Management Group, LLC26$4.98K0.00%+26New
Massmutual Trust Co FSB30$5.74K0.00%+4+15.4%Added
Huntington National Bank32$6.13K0.00%+2+6.7%Added
Bell Investment Advisors, Inc33$6.32K0.00%−5−13.2%Reduced
Turtle Creek Wealth Advisors, LLC34$6.51K0.00%+34New
Bogart Wealth, LLC36$6.89K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.42$7.00K0.00%−59−58.4%Reduced
Whittier Trust Co37$7.08K0.00%−1−2.6%Reduced
Parkside Financial Bank & Trust38$7.27K0.00%+13+52.0%Added
Tennessee Valley Asset Management Partners40$7.66K0.00%+40New
Macroview Investment Management LLC42$8.04K0.01%+36+600.0%Added
Peoples Financial Services Corp.50$9.57K0.00%00.0%Unchanged
St. Johns Investment Management Company, LLC50$9.57K0.00%00.0%Unchanged
TFC Financial Management50$9.57K0.00%00.0%Unchanged
Central Trust Co67$12.8K0.00%00.0%Unchanged
Sandy Spring Bank75$14.4K0.00%00.0%Unchanged
Global Retirement Partners, LLC78$14.6K0.00%−12−13.3%Reduced
Valley National Advisers Inc86$16.0K0.00%+10+13.2%Added
First Horizon Advisors, Inc.88$16.8K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.90$17.2K0.01%−3−3.2%Reduced
Rakuten Investment Management, Inc.90$17.6K0.00%+90New
Farther Finance Advisors, LLC94$18.0K0.00%+69+276.0%Added
Principal Securities, Inc.102$19.5K0.00%+102New
Harbour Investments, Inc.110$21.1K0.00%+57+107.5%Added
Gradient Investments LLC114$21.8K0.00%00.0%Unchanged
Global Trust Asset Management, LLC122$23.4K0.01%00.0%Unchanged
Brown, Lisle/Cummings, Inc.125$23.9K0.01%00.0%Unchanged
Ofi Invest Asset Management143$24.8K0.00%+143New
Jefferies Financial Group Inc.146$27.9K0.00%−4,632−96.9%Reduced
Glassman Wealth Services146$27.9K0.00%+10+7.4%Added
Capital Advisors, Ltd. LLC158$30.0K0.00%−15−8.7%Reduced
Plato Investment Management Ltd163$31.2K0.04%+163New
Quent Capital, LLC173$33.1K0.00%+123+246.0%Added
Coppell Advisory Solutions LLC196$37.5K0.01%+196New
CKW Financial Group200$38.0K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt200$38.3K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$38.3K0.00%00.0%Unchanged
Archer Investment Corp200$38.3K0.01%00.0%Unchanged
Parallel Advisors, LLC211$40.4K0.00%−16−7.0%Reduced
EverSource Wealth Advisors, LLC214$41.0K0.00%+184+613.3%Added
GAMMA Investing LLC270$46.7K0.01%+270New
Allworth Financial LP245$46.9K0.00%−16−6.1%Reduced
V-Square Quantitative Management LLC274$52.4K0.01%+274New
Prestige Wealth Management Group LLC278$53.2K0.01%−36−11.5%Reduced
Advisory Services Network, LLC299$57.3K0.00%+299New
nVerses Capital, LLC–$57.4K0.16%–New
Quadrant Capital Group LLC306$58.6K0.01%+31+11.3%Added
Quantbot Technologies LP319$61.1K0.00%+319New
Covestor Ltd357$68.0K0.05%+293+457.8%Added
Lindbrook Capital, LLC369$70.6K0.01%+100+37.2%Added
Benjamin F. Edwards & Company, Inc.371$71.0K0.00%+371New
Alta Advisers Ltd400$76.6K0.04%00.0%Unchanged
Brown Brothers Harriman & Co402$76.9K0.00%−240−37.4%Reduced
Leonteq Securities AG442$84.6K0.01%−141−24.2%Reduced
IFP Advisors, Inc456$87.2K0.00%+2+0.4%Added
Desjardins Global Asset Management Inc.464$88.8K0.01%+6+1.3%Added
Steward Partners Investment Advisory, LLC480$91.9K0.00%+60+14.3%Added