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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.

Q3 2023 vs. Q2 2023

How the institutions holding Alnylam Pharmaceuticals, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of ALNY: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders4778454−15
Shares118.6M824.0K117.8M+10.8K (0.0%)
Value$22.5B$156.5M$20.9B−$1.52B (−6.8%)

8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (43)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to ALNY in Q3 2023
InstitutionSharesValue% of portfolio
Pictet Asset Management Holding SA790,755$140.0M0.17%
U.S. Capital Wealth Advisors, LLC61,500$10.9M0.49%
Hudson Bay Capital Management LP45,900$8.13M0.08%
Parnassus Investments38,748$6.86M0.02%
Orbis Allan Gray Ltd38,189$6.76M0.05%
Caption Management, LLC37,500$6.64M0.86%
Moore Capital Management, LP21,985$3.89M0.11%
Privium Fund Management B.V.20,023$3.55M1.05%
Aquatic Capital Management LLC17,900$3.17M0.13%
Illinois Municipal Retirement Fund15,644$2.77M0.05%
PDT Partners, LLC14,467$2.56M0.32%
Comerica Bank13,426$2.38M0.01%
Rockefeller Capital Management L.P.13,184$2.33M0.01%
HAP Trading, LLC11,351$2.01M0.50%
Trexquant Investment LP11,021$1.95M0.05%
Pinebridge Investments, L.P.7,376$1.31M0.01%
Simplex Trading, LLC6,845$1.21M0.04%
Twin Tree Management, LP6,289$1.11M0.04%
Omers Administration Corp4,000$708.4K0.01%
Soleus Capital Management, L.P.3,900$690.7K0.07%
GraniteShares Advisors LLC2,893$512.4K0.48%
Moody Aldrich Partners LLC2,283$404.3K0.08%
Wealth Enhancement Advisory Services, LLC2,183$386.7K0.00%
HRT Financial LP2,090$370.0K0.00%
Nebula Research & Development LLC2,089$370.0K0.20%
Vident Advisory, LLC1,745$309.0K0.01%
Cutler Group LP1,500$265.0K0.04%
Verition Fund Management LLC1,391$246.3K0.00%
Envestnet Portfolio Solutions, Inc.1,279$226.5K0.00%
Pathstone Family Office, LLC1,240$219.6K0.00%
MQS Management LLC1,225$216.9K0.13%
Qube Research & Technologies Ltd1,000$177.1K0.00%
Desjardins Global Asset Management Inc.458$81.1K0.01%
Centiva Capital, LP421$74.6K0.00%
Paloma Partners Management Co64$11.3K0.00%
Semmax Financial Advisors Inc.14$2.31K0.00%
NBC Securities, Inc.16$2.00K0.00%
Steward Financial Group LLC15$2.00K0.00%
Macroview Investment Management LLC6$1.06K0.00%
JNBA Financial Advisors4$7090.00%
Proequities, Inc.3$5310.00%
Raleigh Capital Management Inc.2$3540.00%
Cornerstone Planning Group LLC1$1770.00%

Sold out (58)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of ALNY in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Nicholas Investment Partners, LP90,351$17.2M
Clearbridge Investments, LLC83,185$15.8M
Integral Health Asset Management, LLC52,000$9.88M
Worldquant Millennium Advisors LLC40,287$7.65M
Citadel Advisors LLC29,563$5.62M
Tri Locum Partners LP29,506$5.60M
Aigen Investment Management, LP26,604$5.05M
Marshall Wace, LLP11,085$2.11M
Jump Financial, LLC8,439$1.60M
Sivik Global Healthcare LLC8,000$1.52M
Healthcare of Ontario Pension Plan Trust Fund6,295$1.20M
Chartwell Investment Partners, LLC6,174$1.17M
Engineers Gate Manager LP5,286$1.00M
Two Sigma Securities, LLC5,111$970.8K
Walleye Trading LLC4,489$852.6K
Federated Hermes, Inc.4,060$771.2K
HighVista Strategies LLC4,056$770.4K
Howland Capital Management LLC4,000$759.8K
Blueshift Asset Management, LLC3,763$714.7K
Western Financial Corp3,630$689.5K
Fox Run Management, L.L.C.2,797$531.3K
Azzad Asset Management Inc2,725$517.6K
Glenmede Trust Co NA2,037$408.1K
Segall Bryant & Hamill, LLC2,000$379.9K
E. Ohman J:or Asset Management AB2,000$379.9K
Boston Private Wealth LLC1,872$355.6K
Virtu Financial LLC1,808$343.0K
Nomura Holdings Inc1,572$298.6K
Los Angeles Capital Management LLC1,507$286.2K
Delphia (USA) Inc.1,490$283.0K
Marex Group plc1,334$253.4K
Machina Capital S.A.S.1,324$251.5K
Inceptionr LLC1,279$242.9K
Meridian Financial, LLC1,234$234.4K
Quintet Private Bank (Europe) S.A.1,217$230.9K
Vident Investment Advisory, LLC1,144$217.3K
Crossmark Global Holdings, Inc.1,062$211.0K
SlateStone Wealth, LLC1,100$209.0K
Fort Sheridan Advisors LLC1,078$204.8K
Walleye Capital LLC1,040$197.5K
Quantbot Technologies LP699$132.8K
V-Square Quantitative Management LLC279$53.0K
Bartlett & Co. LLC100$19.0K
Bartlett & Co. Wealth Management LLC100$19.0K
Elequin Capital LP70$13.3K
Riverview Trust Co67$12.7K
Halpern Financial, Inc.45$8.55K
Fiduciary Alliance LLC25$4.75K
Tilia Fiduciary Partners, Inc.21$3.99K
CVA Family Office, LLC15$2.85K
NewSquare Capital LLC10$1.90K
TD Private Client Wealth LLC9$1.71K
Independence Bank of Kentucky6$1.14K
Umb Bank N A5$950
Disciplined Investments, LLC5$950
Financial Synergies Wealth Advisors, Inc.4$760
Motco1$190
Sofos Investments, Inc.190$132

Not filed for Q3 2023 yet (8)

Institutions that held Alnylam Pharmaceuticals, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALNY in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Pictet Asset Management SA648,546$123.2M
Tekla Capital Management LLC143,214$27.2M
Efg Capital International Corp.15,735$2.99M
Sabadell Asset Management, S.A S.G.I.I.C14,642$2.78M
EA Series Trust1,318$250.3K
First Capital Advisors Group, LLC.423$80.3K
Coastal Capital Group, Inc.75$14.2K
Kames Capital plc9$2.00K