Skip to main content

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.

Q2 2021 vs. Q1 2021

How the institutions holding Alnylam Pharmaceuticals, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of ALNY: Q1 2021 compared with Q2 2021
MeasureQ1 2021Of which not filed for Q2 2021Q2 2021Change
Holders3911401+11
Shares109.4M216.0K112.3M+3.08M (+2.8%)
Value$15.4B$30.5M$19.0B+$3.63B (+23.5%)

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (55)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ALNY in Q2 2021
InstitutionSharesValue% of portfolio
Avoro Capital Advisors LLC1,000,000$169.5M2.95%
Loomis Sayles & Co L P946,065$160.4M0.19%
Holocene Advisors, LP555,239$94.1M0.58%
Amundi214,309$36.3M0.03%
Marshall Wace North America L.P.108,585$18.4M0.08%
Frontier Capital Management Co LLC45,822$7.77M0.06%
Novo Holdings A/S34,679$5.88M0.26%
Twinbeech Capital LP17,916$3.04M0.37%
Jefferies Group LLC16,540$2.80M0.05%
Twin Tree Management, LP16,500$2.80M0.08%
PEAK6 Investments LLC14,820$2.51M0.07%
Zeke Capital Advisors, LLC13,081$2.22M0.14%
Edgestream Partners, L.P.11,681$1.98M0.12%
Natixis Advisors, L.P.11,391$1.93M0.01%
Westwood Holdings Group Inc.11,297$1.92M0.02%
Ergoteles LLC8,811$1.49M0.03%
Caption Management, LLC6,600$1.12M0.10%
Bridgewater Associates, LP6,099$1.03M0.01%
Centiva Capital, LP4,676$793.0K0.06%
Aigen Investment Management, LP3,283$557.0K0.10%
Virtu Financial LLC3,092$524.0K0.05%
Davenport & Co LLC2,884$489.0K0.00%
FORA Capital, LLC2,664$452.0K0.08%
Quantbot Technologies LP2,664$451.0K0.04%
JustInvest LLC2,229$378.0K0.04%
Two Sigma Securities, LLC2,066$350.0K0.09%
Cetera Advisor Networks LLC2,065$350.0K0.00%
Toroso Investments, LLC2,001$339.0K0.01%
Vestcor Inc1,963$333.0K0.01%
Fox Run Management, L.L.C.1,947$330.0K0.30%
Cresset Asset Management, LLC1,852$314.0K0.00%
Cohen Lawrence B1,800$305.0K0.16%
Bayesian Capital Management, LP1,700$288.0K0.08%
Security National Bank of Sioux City Iowa1,500$254.0K0.20%
Ossiam1,376$246.0K0.01%
JGP Global Gestao de Recursos Ltda.1,371$232.0K0.08%
Symmetry Partners, LLC1,331$226.0K0.02%
Green Harvest Asset Management LLC1,294$219.0K0.04%
Tokio Marine Asset Management Co Ltd1,284$218.0K0.02%
Wetherby Asset Management Inc1,211$205.0K0.01%
Brookstone Capital Management1,164$204.0K0.00%
Coastline Trust Co1,200$203.0K0.03%
Cutler Group LP1,200$203.0K0.02%
Meiji Yasuda Asset Management Co Ltd.1,180$200.0K0.01%
KB Financial Partners, LLC1,050$178.0K0.07%
Centaurus Financial, Inc.700$119.0K0.01%
Itau Unibanco Holding S.A.597$101.0K0.00%
Point72 Hong Kong Ltd430$73.0K0.01%
TSFG, LLC88$15.0K0.01%
Advisory Services Network, LLC50$8.00K0.00%
Healthcare of Ontario Pension Plan Trust Fund24$4.00K0.00%
Benjamin F. Edwards & Company, Inc.15$3.00K0.00%
Covington Capital Management13$2.00K0.00%
Standard Family Office LLC13$2.00K0.00%
BerganKDV Wealth Management, LLC2$00.00%

Sold out (44)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of ALNY in Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Putnam Investments LLC82,300$11.6M
Two Sigma Investments, LP36,619$5.17M
State of Alaska, Department of Revenue34,017$4.80M
Two Sigma Advisers, LP31,900$4.50M
Karani Asset Management LLC31,587$4.46M
Tudor Investment Corp Et Al19,022$2.69M
Duality Advisers, LP12,039$1.70M
Great Lakes Advisors, LLC6,565$927.0K
Blueshift Asset Management, LLC6,447$910.0K
Migdal Insurance & Financial Holdings Ltd.5,170$730.0K
OPSEU Pension Plan Trust Fund4,610$659.0K
Illinois Municipal Retirement Fund4,194$592.0K
AGF Investments LLC4,132$583.0K
Voya Financial Advisors, Inc.4,157$562.0K
Fiera Capital Corp3,700$522.0K
Bank of Nova Scotia3,110$439.0K
Echo Street Capital Management LLC3,019$426.0K
Asahi Life Asset Management Co., Ltd.2,610$369.0K
Financial Counselors Inc2,578$364.0K
E. Ohman J:or Asset Management AB2,500$353.0K
Magnetar Financial LLC1,980$280.0K
AQR Capital Management LLC1,914$269.0K
Mutual of America Capital Management LLC1,863$263.0K
Bailard, Inc.1,714$242.0K
Caisse de Depot Et Placement du Quebec1,687$238.0K
Alphasimplex Group, LLC1,508$213.0K
Security National Bank of So Dak1,500$212.0K
Kennedy Capital Management, Inc.1,442$204.0K
Phoenix Holdings Ltd.1,490$201.0K
Bessemer Group Inc771$109.0K
Pacer Advisors, Inc.550$78.0K
HM Payson & Co465$66.0K
Wolverine Asset Management LLC406$57.0K
Sowell Financial Services LLC333$44.0K
Cowen and Company, LLC268$38.0K
Column Capital Advisors, LLC100$14.0K
Valeo Financial Advisors, LLC45$6.00K
Meridian Wealth Partners, LLC22$3.00K
Evoke Wealth, LLC18$3.00K
Ameritas Investment Company, LLC18$2.54K
International Assets Investment Management, LLC16$2.00K
Moisand Fitzgerald Tamayo, LLC8$1.00K
Credential Qtrade Securities Inc.4$564
Turim 21 Investimentos Ltda.3$0

Not filed for Q2 2021 yet (1)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALNY in Q1 2021 that haven't filed for Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Amundi Asset Management US, Inc.216,007$30.5M