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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, Q2 2024

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2024. 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
525
+32 vs. Q1 2024
Shares held
119.9M
+5.25M (+4.6%) vs. Q1 2024
Total value
$29.1B
+$12.0B (+70.0%) vs. Q1 2024
New holders
89
194 more added
Sold out
57
167 more reduced

6 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 525 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 heldQ2 2024: $29.1B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2024.

Institutions holding ALNY in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of New York Mellon Corp673,702$163.7M0.03%−124,743−15.6%Reduced
Orbis Allan Gray Ltd721,053$175.2M1.09%+721,053New
Morgan Stanley741,514$180.2M0.01%+66,233+9.8%Added
Amundi737,290$183.3M0.07%−8,774−1.2%Reduced
Pictet Asset Management Holding SA758,528$184.3M0.21%−202,976−21.1%Reduced
Legal & General Group Plc761,919$185.1M0.05%+11,317+1.5%Added
Northern Trust Corp780,835$189.7M0.03%+41,251+5.6%Added
UBS Asset Management Americas Inc835,413$203.0M0.06%+76,763+10.1%Added
Bellevue Group AG919,834$223.5M3.63%+1,550+0.2%Added
American Century Companies Inc1,354,169$329.1M0.20%−19,485−1.4%Reduced
JPMorgan Chase & Co1,772,871$430.8M0.04%+24,682+1.4%Added
Geode Capital Management, LLC2,080,275$504.6M0.04%+78,557+3.9%Added
Norges Bank2,296,781$558.1M0.08%+4,127+0.2%Added
T. Rowe Price Investment Management, Inc.3,153,627$766.3M0.48%+280,723+9.8%Added
Capital Research Global Investors3,255,648$791.1M0.17%+110,661+3.5%Added
Price T Rowe Associates Inc3,488,003$847.6M0.10%−197,750−5.4%Reduced
State Street Corp3,534,836$859.0M0.04%+343,463+10.8%Added
Dodge & Cox3,780,185$918.6M0.55%−31,295−0.8%Reduced
Capital International Investors3,891,059$945.7M0.19%+239,842+6.6%Added
Baillie Gifford & Co6,032,656$1.47B1.14%−590,921−8.9%Reduced
Wellington Management Group LLP6,210,479$1.51B0.27%−998,526−13.9%Reduced
BlackRock Inc.9,547,663$2.32B0.05%+522,656+5.8%Added
FMR LLC12,164,038$2.96B0.19%+2,196,042+22.0%Added
Vanguard Group Inc12,507,778$3.04B0.06%+513,517+4.3%Added
Capital World Investors14,971,343$3.64B0.59%+2,182,107+17.1%Added
Vestal Point Capital, LP0$00.00%−350,000−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−287,627−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−206,255−100.0%Sold out
Palo Alto Investors LP0$00.00%−182,766−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−110,759−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−90,234−100.0%Sold out
Ikarian Capital, LLC0$00.00%−51,541−100.0%Sold out
Integral Health Asset Management, LLC0$00.00%−50,000−100.0%Sold out
HRT Financial LP0$00.00%−41,927−100.0%Sold out
Mediolanum International Funds Ltd0$00.00%−38,556−100.0%Sold out
Parnassus Investments0$00.00%−38,748−100.0%Sold out
Banque Pictet & Cie SA0$00.00%−33,005−100.0%Sold out
Seven Eight Capital, LP0$00.00%−25,809−100.0%Sold out
HAP Trading, LLC0$00.00%−23,798−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−18,658−100.0%Sold out
Jump Financial, LLC0$00.00%−17,554−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−15,971−100.0%Sold out
Duality Advisers, LP0$00.00%−11,197−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−10,715−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−10,614−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−10,363−100.0%Sold out
Ategra Capital Management, LLC0$00.00%−7,990−100.0%Sold out
Alpha DNA Investment Management LLC0$00.00%−5,129−100.0%Sold out
Stoneridge Investment Partners LLC0$00.00%−4,200−100.0%Sold out
Teza Capital Management LLC0$00.00%−4,026−100.0%Sold out
Headlands Technologies LLC0$00.00%−3,150−100.0%Sold out
Corton Capital Inc.0$00.00%−3,004−100.0%Sold out
Aquila Investment Management LLC0$00.00%−3,000−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−2,988−100.0%Sold out
Alberta Investment Management Corp0$00.00%−2,900−100.0%Sold out
Aigen Investment Management, LP0$00.00%−2,827−100.0%Sold out
Scientech Research LLC0$00.00%−2,688−100.0%Sold out
Pictet & Cie (Europe) SA0$00.00%−2,562−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−2,237−100.0%Sold out
Asahi Life Asset Management Co., Ltd.0$00.00%−2,150−100.0%Sold out
Moody Aldrich Partners LLC0$00.00%−2,138−100.0%Sold out
Farallon Capital Management, L.L.C.0$00.00%−2,000−100.0%Sold out
American International Group, Inc.0$00.00%−1,883−100.0%Sold out
Leonteq Securities AG0$00.00%−1,850−100.0%Sold out
Ontario Teachers Pension Plan Board0$00.00%−1,833−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−1,584−100.0%Sold out
Winton Group Ltd0$00.00%−1,471−100.0%Sold out
Abbrea Capital, LLC0$00.00%−1,425−100.0%Sold out
Pearl River Capital, LLC0$00.00%−1,400−100.0%Sold out
Stevens Capital Management LP0$00.00%−1,390−100.0%Sold out
Oxford Asset Management LLP0$00.00%−1,344−100.0%Sold out
Altitude Crest Partners Inc.0$00.00%−200−100.0%Sold out
Riverview Trust Co0$00.00%−104−100.0%Sold out
Elequin Capital LP0$00.00%−63−100.0%Sold out
Macroview Investment Management LLC0$00.00%−51−100.0%Sold out
Colonial Trust Advisors0$00.00%−9−100.0%Sold out
South State Corp.0$00.00%−6−100.0%Sold out
Sofos Investments, Inc.0$00.00%−5−100.0%Sold out
DT Investment Partners, LLC0$00.00%−5−100.0%Sold out
Kayne Anderson Rudnick Investment Management LLC0$00.00%−4−100.0%Sold out
Abound Wealth Management0$00.00%−3−100.0%Sold out
CVA Family Office, LLC0$00.00%−3−100.0%Sold out
Credit Suisse AG––––Not filed
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund––––Not filed
Shell Asset Management Co––––Not filed
Degroof Petercam Asset Management––––Not filed
Cipher Capital LP––––Not filed
FSA Wealth Management LLC––––Not filed