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 2018?

274 institutional investors reported ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY)

CUSIP: 02043Q107

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 132,795,065
Total 13F shares: 92,434,388
Share change: +1,789,128
Total reported value: $6,736,307,943
Put/Call ratio: 42%
Price per share: $72.91
Number of holders: 274
Value change: +$108,054,744
Number of buys: 126
Number of sells: 142

Quarterly Holders Quick Answers

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

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Newer quarter: Q1 2019
Previous quarter: Q3 2018

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	11%	15,099,916	$1,321,544,000	—	30 Sep 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	9.8%	13,031,312	$1,140,501,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	5.7%	7,605,253	$665,612,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	4.6%	6,084,028	$532,474,000	—	30 Sep 2018	13F
DODGE & COX	13F	Company	3.5%	4,655,651	$407,463,000	—	30 Sep 2018	13F
BAILLIE GIFFORD & CO	13F	Company	3.4%	4,462,826	$390,587,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	3.2%	4,200,755	$367,650,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	1.8%	2,387,574	$208,978,000	—	30 Sep 2018	13F
MAVERICK CAPITAL LTD	13F	Company	1.1%	1,512,064	$132,336,000	—	30 Sep 2018	13F
BB BIOTECH AG	13F	Company	1%	1,370,538	$119,949,000	—	30 Sep 2018	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.99%	1,320,958	$115,610,244	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.93%	1,237,485	$108,304,000	—	30 Sep 2018	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.9%	1,197,994	$104,848,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	0.85%	1,132,931	$99,154,000	—	30 Sep 2018	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.82%	1,088,895	$95,300,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.74%	985,846	$86,282,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.71%	940,578	$82,319,000	—	30 Sep 2018	13F
FIRST TRUST ADVISORS LP	13F	Company	0.71%	937,025	$82,008,000	—	30 Sep 2018	13F
Point72 Asset Management, L.P.	13F	Company	0.67%	885,312	$77,483,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.66%	880,763	$77,037,000	—	30 Sep 2018	13F
12 West Capital Management LP	13F	Company	0.55%	735,000	$64,327,000	—	30 Sep 2018	13F
BRIDGER MANAGEMENT, LLC	13F	Company	0.54%	723,010	$63,278,000	—	30 Sep 2018	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.53%	703,864	$61,602,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	0.49%	651,367	$57,007,000	—	30 Sep 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.46%	615,220	$53,844,000	—	30 Sep 2018	13F
Artal Group S.A.	13F	Company	0.45%	600,000	$52,512,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	0.39%	512,170	$44,825,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.37%	494,512	$43,279,000	—	30 Sep 2018	13F
Slate Path Capital LP	13F	Company	0.36%	480,000	$42,010,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.32%	422,058	$36,939,000	—	30 Sep 2018	13F
RTW INVESTMENTS, LP	13F	Company	0.29%	389,072	$34,052,000	—	30 Sep 2018	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.29%	384,041	$33,611,000	—	30 Sep 2018	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.28%	369,004	$32,295,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.26%	343,046	$30,024,000	—	30 Sep 2018	13F
Legal & General Group Plc	13F	Company	0.26%	339,942	$29,752,000	—	30 Sep 2018	13F
Rockefeller Capital Management L.P.	13F	Company	0.25%	326,466	$28,573,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.23%	304,594	$26,658,000	—	30 Sep 2018	13F
683 Capital Management, LLC	13F	Company	0.23%	300,000	$26,256,000	—	30 Sep 2018	13F
GREAT POINT PARTNERS LLC	13F	Company	0.23%	300,000	$26,256,000	—	30 Sep 2018	13F
Swiss National Bank	13F	Company	0.22%	288,900	$25,285,000	—	30 Sep 2018	13F
FARALLON CAPITAL MANAGEMENT LLC	13F	Company	0.21%	276,551	$24,204,000	—	30 Sep 2018	13F
Casdin Capital, LLC	13F	Company	0.2%	270,000	$23,630,000	—	30 Sep 2018	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.2%	267,444	$23,407,000	—	30 Sep 2018	13F
CREDIT SUISSE AG/	13F	Company	0.19%	248,191	$21,721,000	—	30 Sep 2018	13F
TOBAM	13F	Company	0.18%	244,781	$21,423,000	—	30 Sep 2018	13F
Polar Capital LLP	13F	Company	0.18%	244,287	$21,380,000	—	30 Sep 2018	13F
S.c.a. Candriam	13F	Individual	0.17%	231,210	$20,235,000	—	30 Sep 2018	13F
Bellevue Group AG	13F	Company	0.17%	219,891	$19,245,000	—	30 Sep 2018	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.16%	213,065	$18,648,000	—	30 Sep 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.16%	206,808	$18,100,000	—	30 Sep 2018	13F

Institutional Holders of ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) as of Q4 2018

As of 31 Dec 2018, ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) was held by 274 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 92,434,388 shares. The largest 10 holders included FMR LLC, WELLINGTON MANAGEMENT GROUP LLP, Vanguard Group Inc, BlackRock Inc., BAILLIE GIFFORD & CO, DODGE & COX, PRICE T ROWE ASSOCIATES INC /MD/, MAVERICK CAPITAL LTD, STATE STREET CORP, and BB BIOTECH AG. This page lists 274 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

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

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

297

Q4 2018 holders

274

Holder diff

-23

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 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.