What does CUSIP 02043Q107 represent in this 13F holders report?

CUSIP 02043Q107 is the security identifier for ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock in Q4 2021?

420 institutional investors reported ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock for Q4 2021. Use the holders table for investor-level position and value details.

ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY)

CUSIP: 02043Q107

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Common Stock
Shares outstanding: 131,516,365
Total 13F shares: 112,006,374
Share change: +466,285
Total reported value: $18,989,908,067
Put/Call ratio: 77%
Price per share: $169.58
Number of holders: 420
Value change: +$63,928,357
Number of buys: 206
Number of sells: 163

Quarterly Holders Quick Answers

What is CUSIP 02043Q107?
CUSIP 02043Q107 identifies ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2022
Previous quarter: Q3 2021

Recent filing periods for CUSIP 02043Q107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	14%	17,826,928	$3,365,903,000	—	30 Sep 2021	13F
VANGUARD GROUP INC	13F	Company	8.1%	10,614,582	$2,004,140,000	—	30 Sep 2021	13F
BAILLIE GIFFORD & CO	13F	Company	7.9%	10,415,784	$1,966,605,000	—	30 Sep 2021	13F
BlackRock Finance, Inc.	13F	Company	6.8%	8,920,972	$1,684,369,000	—	30 Sep 2021	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	5.6%	7,371,072	$1,391,732,000	—	30 Sep 2021	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	4.5%	5,874,235	$1,109,114,000	—	30 Sep 2021	13F
DODGE & COX	13F	Company	4.1%	5,372,100	$1,014,306,000	—	30 Sep 2021	13F
STATE STREET CORP	13F	Company	2.1%	2,800,825	$528,824,000	—	30 Sep 2021	13F
JPMORGAN CHASE & CO	13F	Company	1.9%	2,445,659	$461,765,000	—	30 Sep 2021	13F
MORGAN STANLEY	13F	Company	1.4%	1,880,878	$355,128,000	—	30 Sep 2021	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	1.3%	1,731,433	$326,912,000	—	30 Sep 2021	13F
RTW INVESTMENTS, LP	13F	Company	1.3%	1,683,362	$317,836,000	—	30 Sep 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	1,454,019	$274,123,000	—	30 Sep 2021	13F
Bellevue Group AG	13F	Company	1.1%	1,408,418	$265,924,000	—	30 Sep 2021	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	1%	1,365,287	$257,780,000	—	30 Sep 2021	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.81%	1,071,471	$202,304,000	—	30 Sep 2021	13F
Invesco Ltd.	13F	Company	0.8%	1,054,172	$199,039,000	—	30 Sep 2021	13F
Casdin Capital, LLC	13F	Company	0.76%	1,000,000	$188,810,000	—	30 Sep 2021	13F
NORGES BANK	13F	Company	0.76%	994,888	$187,845,000	—	30 Sep 2021	13F
LOOMIS SAYLES & CO L P	13F	Company	0.74%	968,107	$182,789,000	—	30 Sep 2021	13F
FEDERATED HERMES, INC.	13F	Company	0.73%	958,820	$181,035,000	—	30 Sep 2021	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.7%	923,684	$174,401,000	—	30 Sep 2021	13F
Avoro Capital Advisors LLC	13F	Company	0.65%	850,000	$160,489,000	—	30 Sep 2021	13F
PICTET ASSET MANAGEMENT SA	13F	Company	0.63%	823,704	$155,524,000	—	30 Sep 2021	13F
FARALLON CAPITAL MANAGEMENT LLC	13F	Company	0.62%	814,301	$153,748,000	—	30 Sep 2021	13F
NORTHERN TRUST CORP	13F	Company	0.59%	779,121	$147,106,000	—	30 Sep 2021	13F
Nuveen Asset Management, LLC	13F	Company	0.58%	767,032	$144,823,000	—	30 Sep 2021	13F
Artal Group S.A.	13F	Company	0.53%	700,000	$132,167,000	—	30 Sep 2021	13F
Legal & General Group Plc	13F	Company	0.51%	666,785	$125,896,000	—	30 Sep 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.51%	666,455	$125,834,000	—	30 Sep 2021	13F
Holocene Advisors, LP	13F	Company	0.5%	661,230	$124,847,000	—	30 Sep 2021	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.49%	645,572	$121,890,450	—	30 Sep 2021	13F
FIRST TRUST ADVISORS LP	13F	Company	0.4%	532,286	$100,501,000	—	30 Sep 2021	13F
Polar Capital Holdings Plc	13F	Company	0.4%	523,712	$98,882,000	—	30 Sep 2021	13F
Blackstone Inc.	13F	Company	0.39%	517,391	$97,689,000	—	30 Sep 2021	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.37%	486,848	$91,922,000	—	30 Sep 2021	13F
Swiss National Bank	13F	Company	0.35%	464,610	$87,723,000	—	30 Sep 2021	13F
Bank of New York Mellon Corp	13F	Company	0.34%	453,249	$85,578,000	—	30 Sep 2021	13F
Swedbank AB	13F	Company	0.33%	436,498	$82,415,188	—	30 Sep 2021	13F
Avidity Partners Management LP	13F	Company	0.32%	427,000	$80,622,000	—	30 Sep 2021	13F
ALKEON CAPITAL MANAGEMENT LLC	13F	Company	0.3%	390,551	$73,740,000	—	30 Sep 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.27%	352,815	$66,615,000	—	30 Sep 2021	13F
Assenagon Asset Management S.A.	13F	Company	0.25%	334,289	$63,117,000	—	30 Sep 2021	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.25%	332,571	$62,793,000	—	30 Sep 2021	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.24%	318,959	$60,223,000	—	30 Sep 2021	13F
Capital World Investors	13F	Company	0.24%	318,946	$60,220,000	—	30 Sep 2021	13F
Rockefeller Capital Management L.P.	13F	Company	0.24%	318,100	$60,058,000	—	30 Sep 2021	13F
Rock Springs Capital Management LP	13F	Company	0.24%	311,000	$58,720,000	—	30 Sep 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.23%	304,184	$57,432,000	—	30 Sep 2021	13F
DEUTSCHE BANK AG\	13F	Company	0.21%	282,162	$53,275,000	—	30 Sep 2021	13F

Institutional Holders of ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) as of Q4 2021

As of 31 Dec 2021, ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) was held by 420 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 112,006,374 shares. The largest 10 holders included FMR LLC, VANGUARD GROUP INC, BAILLIE GIFFORD & CO, BlackRock Inc., WELLINGTON MANAGEMENT GROUP LLP, PRICE T ROWE ASSOCIATES INC /MD/, Dodge & Cox, JPMORGAN CHASE & CO, STATE STREET CORP, and RTW INVESTMENTS, LP. This page lists 421 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2021 vs Q3 2021 Across Filers

Q3 2021 holders

395

Q4 2021 holders

420

Holder diff

Investor	Q3 2021 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q3 2021 Value $	Q4 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.