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Alnylam Pharmaceuticals (ALNY) Institutional Ownership

Alnylam Pharmaceuticals logo
$240.01 +2.24 (+0.94%)
As of 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Alnylam Pharmaceuticals (NASDAQ:ALNY)

Current
Institutional Ownership
Percentage
92.97%
Number of
Institutional Buyers
(last 12 months)
348
Total
Institutional Inflows
(last 12 months)
$4.01B
Number of
Institutional Sellers
(last 12 months)
184
Total
Institutional Outflows
(last 12 months)
$3.80B
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ALNY Institutional Buying and Selling by Quarter

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Alnylam Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/14/2025Wedmont Private Capital1,592$430K0.0%+7.2%0.001%
4/14/2025TB Alternative Assets Ltd.9,168$2.48M0.6%N/A0.007%
4/11/2025Gateway Investment Advisers LLC6,540$1.77M0.0%-11.4%0.005%
4/11/2025E. Ohman J or Asset Management AB5,800$1.57M0.0%-4.9%0.004%
4/10/2025 Whipplewood Advisors LLC105$28K0.0%+208.8%0.000%
4/9/2025 Merit Financial Group LLC5,314$1.44M0.0%+113.0%0.004%
4/8/2025 Rhumbline Advisers181,463$49.00M0.0%+1.0%0.139%
4/7/2025 Summit Global Investments3,145$849K0.1%N/A0.002%
4/7/2025 GAMMA Investing LLC166,332$44.91M0.0%+30,759.4%0.128%
4/3/2025 Versant Capital Management Inc336$91K0.0%+76.8%0.000%
3/18/2025California State Teachers Retirement System196,362$46.21M0.1%+2.6%0.152%
3/17/2025Wealth Enhancement Advisory Services LLC12,566$2.96M0.0%+94.7%0.010%
3/14/2025Lansforsakringar Fondforvaltning AB publ 42,544$10.01M0.1%N/A0.033%
3/7/2025Bannerman Wealth Management Group LLC1,391$327K0.3%N/A0.001%
3/4/2025Siemens Fonds Invest GmbH3,245$764K0.0%+137.7%0.003%
2/28/2025Park Square Financial Group LLC121$28K0.0%N/A0.000%
2/28/2025Universal Beteiligungs und Servicegesellschaft mbH124,360$29.26M0.1%N/A0.096%
2/20/2025Mackenzie Financial Corp8,859$2.09M0.0%-55.0%0.007%
2/19/2025GF Fund Management CO. LTD.2,708$637K0.0%N/A0.002%
2/19/2025Public Employees Retirement System of Ohio44,257$10.41M0.0%-8.6%0.034%
2/18/2025GTS Securities LLC1,163$274K0.0%-83.2%0.001%
2/18/2025Orion Capital Management LLC3,340$786K0.3%-2.5%0.003%
2/18/2025Focus Partners Advisor Solutions LLC862$203K0.0%N/A0.001%
2/17/2025USS Investment Management Ltd26,366$6.21M0.0%-19.8%0.020%
2/17/2025Voloridge Investment Management LLC16,776$3.95M0.0%-91.4%0.013%
2/17/2025Worldquant Millennium Advisors LLC150,191$35.34M0.2%+156.6%0.116%
2/17/2025Zurich Insurance Group Ltd FI27,977$6.58M0.1%N/A0.022%
2/17/2025Vident Advisory LLC1,327$312K0.0%+21.2%0.001%
2/17/2025Soleus Capital Management L.P.76,800$18.07M1.1%+29.3%0.060%
2/17/2025Two Sigma Advisers LP78,800$18.54M0.0%-23.6%0.061%
2/17/2025Two Sigma Investments LP107,117$25.21M0.1%+459.4%0.083%
2/17/2025Tidal Investments LLC13,188$3.10M0.0%-35.8%0.010%
2/17/2025Tema Etfs LLC16,323$3.84M1.6%N/A0.013%
2/17/2025Siemens Fonds Invest GmbH3,245$764K0.0%+137.7%0.003%
2/17/2025Shell Asset Management Co.5,992$1.41M0.1%-3.3%0.005%
2/17/2025Silvercrest Asset Management Group LLC4,891$1.15M0.0%N/A0.004%
2/17/2025Rafferty Asset Management LLC52,817$12.43M0.0%-17.3%0.041%
2/17/2025ProShare Advisors LLC6,110$1.44M0.0%-19.5%0.005%
2/17/2025Quantinno Capital Management LP4,556$1.07M0.0%+35.4%0.004%
2/17/2025Parkman Healthcare Partners LLC38,672$9.10M1.2%+51.7%0.030%
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2/17/2025Nissay Asset Management Corp Japan ADV15,947$3.80M0.0%+2.1%0.012%
2/17/2025OMERS ADMINISTRATION Corp5,252$1.24M0.0%+20.4%0.004%
2/17/2025Orbimed Advisors LLC415,600$97.80M2.2%+66.0%0.322%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,731$3.47M0.0%-42.9%0.011%
2/17/2025LMR Partners LLP11,901$2.80M0.0%-82.4%0.009%
2/17/2025Laird Norton Wetherby Wealth Management LLC1,147$270K0.0%-15.1%0.001%
2/17/2025Integral Health Asset Management LLC45,000$10.59M0.9%+80.0%0.035%
2/17/2025Investment Management Corp of Ontario7,099$1.67M0.1%+0.6%0.006%
2/17/2025Janus Henderson Group PLC210,080$49.44M0.0%-4.2%0.163%
2/17/2025Gotham Asset Management LLC10,924$2.57M0.0%-37.8%0.008%
2/17/2025Graham Capital Management L.P.2,350$553K0.0%-34.9%0.002%
2/17/2025Focus Partners Wealth4,427$1.04M0.0%+245.1%0.003%
2/17/2025Ellevest Inc.1,424$335K0.0%-24.0%0.001%
2/17/2025Ethic Inc.4,886$1.15M0.0%+22.9%0.004%
2/17/2025Ensign Peak Advisors Inc76,464$17.99M0.0%-5.1%0.059%
2/17/2025FORA Capital LLC12,698$2.99M0.3%N/A0.010%
2/17/2025Frontier Capital Management Co. LLC104,718$24.64M0.2%-5.9%0.081%
2/17/2025Driehaus Capital Management LLC33,480$7.88M0.1%+3.5%0.026%
2/17/2025Colonial Trust Co SC150$35K0.0%N/A0.000%
2/17/2025Corton Capital Inc.946$223K0.1%N/A0.001%
2/17/2025Casdin Capital LLC140,000$32.94M2.2%-17.6%0.109%
2/17/2025Cetera Investment Advisers4,770$1.12M0.0%+66.3%0.004%
2/17/2025BOKF NA381$91K0.0%+592.7%0.000%
2/17/2025Bridger Management LLC41,182$9.69M5.2%+11.2%0.032%
2/17/2025Brevan Howard Capital Management LP1,333$314K0.0%+3.4%0.001%
2/17/2025Captrust Financial Advisors6,414$1.51M0.0%+32.7%0.005%
2/17/2025Beck Bode LLC56,017$13.18M2.4%N/A0.043%
2/17/2025Bellevue Group AG770,268$181.25M3.5%-4.8%0.597%
2/14/2025Mercer Global Advisors Inc. ADV2,600$612K0.0%N/A0.002%
2/14/2025Itau Unibanco Holding S.A.171$40K0.0%-44.5%0.000%
2/14/2025Caisse DE Depot ET Placement DU Quebec10,018$2.36M0.0%-60.4%0.008%
2/14/2025Comerica Bank13,991$3.29M0.0%+631.7%0.011%
2/14/2025Voleon Capital Management LP37,181$8.75M0.6%N/A0.029%
2/14/2025Utah Retirement Systems21,325$5.02M0.1%+1.9%0.017%
2/14/2025Schonfeld Strategic Advisors LLC127,000$29.88M0.2%+355.7%0.098%
2/14/2025AQR Capital Management LLC813,356$191.39M0.2%+60.9%0.631%
2/14/2025Northern Trust Corp878,860$206.81M0.0%+19.6%0.681%
2/14/2025The Manufacturers Life Insurance Company 109,102$25.67M0.0%-43.0%0.085%
2/14/2025Beacon Pointe Advisors LLC935$220K0.0%-32.0%0.001%
2/14/2025Public Employees Retirement Association of Colorado13,073$3.08M0.0%-2.3%0.010%
2/14/2025Artia Global Partners LP56,400$13.27M4.7%+61.1%0.044%
2/14/2025Aquatic Capital Management LLC40,552$9.54M0.3%+98.7%0.031%
2/14/2025Susquehanna Fundamental Investments LLC56,585$13.32M0.2%N/A0.044%
2/14/2025Virtus ETF Advisers LLC1,426$336K0.1%-30.7%0.001%
2/14/2025Gilder Gagnon Howe & Co. LLC365,463$86.00M0.9%-4.8%0.283%
2/14/2025Coldstream Capital Management Inc.1,113$262K0.0%-8.1%0.001%
2/14/2025Two Sigma Securities LLC1,117$263K0.0%+272.3%0.001%
2/14/2025Kovitz Investment Group Partners LLC2,633$620K0.0%+8.3%0.002%
2/14/2025Integrated Wealth Concepts LLC2,512$591K0.0%+7.5%0.002%
2/14/2025Banco Bilbao Vizcaya Argentaria S.A.22,154$5.21M0.1%+1.9%0.017%
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2/14/2025Adage Capital Partners GP L.L.C.93,056$21.90M0.0%-19.8%0.072%
2/14/2025T. Rowe Price Investment Management Inc.4,384,449$1.03B0.6%+39.7%3.399%
2/14/2025Price T Rowe Associates Inc. MD3,319,385$781.09M0.1%-3.8%2.574%
2/14/2025Hsbc Holdings PLC61,582$14.52M0.0%+8.3%0.048%
2/14/2025Rock Springs Capital Management LP256,200$60.29M2.3%+2.5%0.199%
2/14/2025J. Safra Sarasin Holding AG19,142$4.50M0.1%+69.8%0.015%
2/14/2025Stifel Financial Corp10,017$2.36M0.0%+71.8%0.008%
2/14/2025Tower Research Capital LLC TRC 5,381$1.27M0.0%+894.6%0.004%
2/14/2025Mirabella Financial Services LLP10,539$2.48M0.2%N/A0.008%
2/14/2025MML Investors Services LLC10,738$2.53M0.0%+248.0%0.008%
(Data available from 1/1/2016 forward)

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ALNY Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ALNY shares?

During the previous two years, 556 institutional investors and hedge funds held shares of Alnylam Pharmaceuticals. The most heavily invested institutionals were Capital World Investors ($3.91B), Vanguard Group Inc. ($3.00B), FMR LLC ($2.64B), Capital Research Global Investors ($1.64B), BlackRock Inc. ($1.59B), Wellington Management Group LLP ($1.14B), and Regeneron Pharmaceuticals Inc. ($1.05B).Learn more on ALNY's institutional investors.

What percentage of Alnylam Pharmaceuticals stock is owned by institutional investors?

92.97% of Alnylam Pharmaceuticals stock is owned by institutional investors. Learn more on ALNY's institutional investor holdings.

Which institutional investors have been buying Alnylam Pharmaceuticals stock?

Of the 473 institutional investors that purchased Alnylam Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($4.50M), Regeneron Pharmaceuticals Inc. ($4.44M), Capital Research Global Investors ($2.09M), T. Rowe Price Investment Management Inc. ($1.25M), Capital International Investors ($1.20M), Vanguard Group Inc. ($466.34K), and AQR Capital Management LLC ($438.18K).

How much institutional buying is happening at Alnylam Pharmaceuticals?

Institutional investors have bought a total of 25,776,046 shares in the last 24 months. This purchase volume represents approximately $5.62B in transactions.

Which Alnylam Pharmaceuticals major shareholders have been selling company stock?

Of the 276 institutional investors that sold Alnylam Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Baillie Gifford & Co. ($5.37M), New York State Common Retirement Fund ($3.74M), Capital World Investors ($3.74M), Capital International Investors ($2.55M), Avoro Capital Advisors LLC ($811.11K), Dodge & Cox ($778.52K), and Massachusetts Financial Services Co. MA ($575.99K).

How much institutional selling is happening at Alnylam Pharmaceuticals?

Institutional investors have sold a total of 24,255,257 shares in the last 24 months. This volume of shares sold represents approximately $5.21B in transactions.


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This page (NASDAQ:ALNY) was last updated on 4/14/2025 by MarketBeat.com Staff
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