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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 2022

Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2022. 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
424
−10 vs. Q1 2022
Shares held
113.5M
−129.9K (−0.1%) vs. Q1 2022
Total value
$16.6B
−$2.01B (−10.8%) vs. Q1 2022
New holders
57
131 more added
Sold out
67
161 more reduced

9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 2022: 424 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 2022: $16.6B
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 2022

Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2022.

Institutions holding ALNY in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Intech Investment Management LLC7,336$1.07M0.01%+7,336New
Banque Pictet & Cie SA7,342$1.07M0.01%−4,432−37.6%Reduced
MetLife Investment Management7,485$1.09M0.01%−278−3.6%Reduced
KBC Group NV7,654$1.12M0.01%+215+2.9%Added
Citadel Advisors LLC7,694$1.12M0.00%+5,586+265.0%Added
Natixis7,739$1.13M0.00%+5,373+227.1%Added
Boothbay Fund Management, LLC7,884$1.15M0.04%+7,884New
US Bancorp8,046$1.17M0.00%−2,232−21.7%Reduced
Westpac Banking Corp8,524$1.24M0.02%00.0%Unchanged
Jacobs Levy Equity Management, Inc8,604$1.25M0.01%−22,670−72.5%Reduced
Bokf, NA8,882$1.30M0.02%+8,882New
Maryland State Retirement & Pension System9,099$1.33M0.04%00.0%Unchanged
Daiwa Securities Group Inc.9,265$1.35M0.01%+312+3.5%Added
L & S Advisors Inc9,330$1.36M0.23%+9,330New
Twin Tree Management, LP9,440$1.38M0.03%−22,344−70.3%Reduced
Stifel Financial Corp9,584$1.40M0.00%−2,592−21.3%Reduced
MML Investors Services, LLC9,915$1.45M0.01%+654+7.1%Added
Privium Fund Management B.V.10,500$1.53M0.52%+5,000+90.9%Added
Ameriprise Financial Inc10,485$1.53M0.00%−2,167−17.1%Reduced
ExodusPoint Capital Management, LP10,663$1.55M0.02%+10,663New
Nisa Investment Advisors, LLC10,733$1.56M0.01%+2,950+37.9%Added
Edgestream Partners, L.P.10,785$1.57M0.12%+6,783+169.5%Added
Standard Life Aberdeen plc10,801$1.57M0.00%−222−2.0%Reduced
Schroder Investment Management Group10,823$1.57M0.00%+891+9.0%Added
PEAK6 Investments LLC8,369$1.59M0.04%+8,369New
Beacon Investment Advisory Services, Inc.10,906$1.59M0.08%−86−0.8%Reduced
Cullen/Frost Bankers, Inc.10,949$1.60M0.04%00.0%Unchanged
Employees Retirement System of Texas11,018$1.61M0.02%00.0%Unchanged
Two Sigma Securities, LLC11,290$1.65M0.29%+3,782+50.4%Added
ProShare Advisors LLC11,389$1.66M0.01%−3,801−25.0%Reduced
Comerica Bank11,666$1.70M0.01%00.0%Unchanged
LPL Financial LLC11,783$1.72M0.00%−4,825−29.1%Reduced
Raymond James Financial Services Advisors, Inc.11,879$1.73M0.00%+29+0.2%Added
Sectoral Asset Management Inc12,030$1.75M0.35%+7,960+195.6%Added
Walleye Trading LLC12,069$1.76M0.04%+12,069New
National Bank of Canada12,200$1.81M0.01%+11+0.1%Added
Two Sigma Advisers, LP12,400$1.81M0.01%−34,300−73.4%Reduced
Parallax Volatility Advisers, L.P.12,781$1.86M0.00%+12,781New
EFG Asset Management (Americas) Corp.13,249$1.93M0.46%−3,489−20.8%Reduced
Exchange Traded Concepts, LLC13,253$1.93M0.06%−279−2.1%Reduced
Amalgamated Bank13,267$1.94M0.02%−88−0.7%Reduced
Tower Research Capital LLC (TRC)13,670$1.99M0.04%−465−3.3%Reduced
Profund Advisors LLC13,805$2.01M0.13%−1,170−7.8%Reduced
British Columbia Investment Management Corp13,925$2.03M0.02%−4,537−24.6%Reduced
SG Americas Securities, LLC13,949$2.03M0.03%−14,065−50.2%Reduced
Bridgeway Capital Management, LLC14,100$2.06M0.05%−13,600−49.1%Reduced
Envestnet Asset Management Inc14,114$2.06M0.00%−17,306−55.1%Reduced
Wealthfront Advisers LLC14,118$2.06M0.01%+1,273+9.9%Added
Nissay Asset Management Corp14,202$2.07M0.02%+179+1.3%Added
Zeke Capital Advisors, LLC14,294$2.08M0.14%−1,339−8.6%Reduced
Xponance, Inc.14,303$2.09M0.04%+520+3.8%Added
Graham Capital Management, L.P.14,465$2.11M0.10%+14,465New
CWM Advisors, LLC14,598$2.13M0.28%−1,135−7.2%Reduced
APG Asset Management N.V.15,818$2.21M0.01%+8,721+122.9%Added
Public Employees Retirement Association of Colorado15,690$2.29M0.01%00.0%Unchanged
Raymond James & Associates16,141$2.35M0.00%−16,919−51.2%Reduced
Westwood Holdings Group Inc.16,273$2.37M0.03%−107−0.7%Reduced
The PNC Financial Services Group, Inc.16,356$2.39M0.00%+846+5.5%Added
Magnetar Financial LLC16,387$2.39M0.03%+16,387New
Industrial Alliance Investment Management Inc.16,770$2.45M0.07%+16,770New
Jefferies Group LLC16,895$2.46M0.07%−2,893−14.6%Reduced
Nomura Holdings Inc17,443$2.58M0.02%+17,443New
Rockefeller Capital Management L.P.17,748$2.59M0.01%−356,216−95.3%Reduced
Teacher Retirement System of Texas18,428$2.69M0.02%−6,115−24.9%Reduced
IFM Investors Pty Ltd18,902$2.76M0.05%−76−0.4%Reduced
Gulf International Bank (UK) Ltd20,106$2.93M0.05%+195+1.0%Added
Soleus Capital Management, L.P.20,100$2.93M0.47%+20,100New
Parkman Healthcare Partners LLC20,734$3.02M1.11%−33,274−61.6%Reduced
Mackenzie Financial Corp21,006$3.06M0.00%+1,630+8.4%Added
DnB Asset Management AS21,227$3.10M0.02%−128−0.6%Reduced
Utah Retirement Systems21,372$3.12M0.05%00.0%Unchanged
Taylor Wealth Management Partners24,190$3.53M2.00%−1,866−7.2%Reduced
Commerce Bank24,647$3.60M0.03%+20,289+465.6%Added
Brookfield Asset Management Inc.25,010$3.65M0.02%+25,010New
UBS Group AG25,067$3.66M0.00%−2,909−10.4%Reduced
Guggenheim Capital LLC25,349$3.70M0.03%−395−1.5%Reduced
SEI Investments Co26,275$3.77M0.01%−2,167−7.6%Reduced
Gateway Investment Advisers LLC26,265$3.83M0.04%+26+0.1%Added
Toronto Dominion Bank26,820$3.91M0.01%+1,207+4.7%Added
EFG Asset Management (North America) Corp.26,874$3.92M0.83%−12,321−31.4%Reduced
Putnam Investments LLC28,900$4.21M0.01%+28,900New
Forsta Ap-Fonden29,000$4.23M0.06%+5,700+24.5%Added
Karani Asset Management LLC29,985$4.37M4.04%−6,975−18.9%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund30,715$4.48M0.06%−5,900−16.1%Reduced
Capital International Sarl30,869$4.50M0.36%+17,554+131.8%Added
Rafferty Asset Management, LLC31,190$4.55M0.04%−5,845−15.8%Reduced
Caption Management, LLC31,500$4.59M0.41%+31,500New
Principal Financial Group Inc31,528$4.60M0.00%+3,063+10.8%Added
Ergoteles LLC32,636$4.76M0.14%+32,636New
Sabadell Asset Management, S.A S.G.I.I.C34,532$4.78M1.01%00.0%Unchanged
Arizona State Retirement System33,550$4.89M0.05%+258+0.8%Added
Liontrust Investment Partners LLP33,629$4.90M0.07%+33,629New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.34,375$5.01M0.02%+2,738+8.7%Added
Federation des caisses Desjardins du Quebec34,505$5.03M0.06%+930+2.8%Added
ETF Managers Group, LLC35,179$5.12M0.15%+18,279+108.2%Added
Brown Advisory Inc35,247$5.14M0.01%−7,361−17.3%Reduced
Erste Asset Management GmbH35,930$5.23M0.12%00.0%Unchanged
Ensign Peak Advisors, Inc36,865$5.38M0.01%+435+1.2%Added
Russell Investments Group, Ltd.37,977$5.53M0.01%−2,011−5.0%Reduced
683 Capital Management, LLC39,000$5.69M0.41%−10,000−20.4%Reduced