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 2017?

275 institutional investors reported ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY)

CUSIP: 02043Q107

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 131,516,365
Total 13F shares: 92,127,969
Share change: +4,762,784
Total reported value: $11,704,641,437
Put/Call ratio: 78%
Price per share: $127.05
Number of holders: 275
Value change: +$613,133,919
Number of buys: 167
Number of sells: 91

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 2018
Previous quarter: Q3 2017

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	10%	13,760,005	$1,616,663,000	—	30 Sep 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	8.6%	11,301,317	$1,327,791,000	—	30 Sep 2017	13F
DODGE & COX	13F	Company	7%	9,141,495	$1,074,034,000	—	30 Sep 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	6.5%	8,564,883	$1,006,288,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	4.9%	6,492,898	$762,851,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	4.6%	6,111,697	$718,061,000	—	30 Sep 2017	13F
BAILLIE GIFFORD & CO	13F	Company	2.6%	3,405,392	$400,099,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	1.6%	2,043,321	$240,063,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.4%	1,793,751	$210,748,000	—	30 Sep 2017	13F
PERCEPTIVE ADVISORS LLC	13F	Company	1.4%	1,788,802	$210,167,000	—	30 Sep 2017	13F
Blue Ridge Capital, L.L.C.	13F	Company	1.2%	1,531,899	$179,983,000	—	30 Sep 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	1%	1,364,397	$160,303,004	—	30 Sep 2017	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.85%	1,120,555	$131,654,000	—	30 Sep 2017	13F
BB BIOTECH AG	13F	Company	0.85%	1,111,338	$130,571,000	—	30 Sep 2017	13F
ORBIMED ADVISORS LLC	13F	Company	0.82%	1,084,800	$127,453,000	—	30 Sep 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.75%	982,454	$115,429,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.75%	979,822	$115,119,000	—	30 Sep 2017	13F
FIRST TRUST ADVISORS LP	13F	Company	0.6%	784,619	$92,185,000	—	30 Sep 2017	13F
12 West Capital Management LP	13F	Company	0.53%	700,000	$82,243,000	—	30 Sep 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.52%	683,020	$80,248,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.5%	659,527	$77,487,000	—	30 Sep 2017	13F
RTW INVESTMENTS, LP	13F	Company	0.47%	623,338	$73,236,000	—	30 Sep 2017	13F
Slate Path Capital LP	13F	Company	0.43%	561,000	$65,912,000	—	30 Sep 2017	13F
NORGES BANK	13F	Company	0.42%	555,019	$65,209,000	—	30 Sep 2017	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.38%	503,889	$59,202,000	—	30 Sep 2017	13F
BRIDGER MANAGEMENT, LLC	13F	Company	0.29%	383,933	$45,108,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.29%	376,728	$44,262,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.26%	342,104	$40,194,000	—	30 Sep 2017	13F
ROCKEFELLER FINANCIAL SERVICES INC	13F	Company	0.25%	323,364	$37,992,000	—	30 Sep 2017	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.21%	278,347	$32,703,000	—	30 Sep 2017	13F
Artal Group S.A.	13F	Company	0.19%	250,000	$29,373,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.19%	244,550	$28,733,000	—	30 Sep 2017	13F
683 Capital Management, LLC	13F	Company	0.18%	239,500	$28,139,000	—	30 Sep 2017	13F
PDT Partners, LLC	13F	Company	0.18%	237,626	$27,919,000	—	30 Sep 2017	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.17%	221,628	$26,039,000	—	30 Sep 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.16%	216,488	$25,435,000	—	30 Sep 2017	13F
Casdin Capital, LLC	13F	Company	0.15%	200,000	$23,498,000	—	30 Sep 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.14%	180,058	$21,156,000	—	30 Sep 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.13%	173,450	$20,376,000	—	30 Sep 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.13%	171,167	$20,110,000	—	30 Sep 2017	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	0.13%	164,864	$19,370,000	—	30 Sep 2017	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.12%	162,835	$19,131,000	—	30 Sep 2017	13F
CREDIT SUISSE AG/	13F	Company	0.12%	158,926	$18,672,000	—	30 Sep 2017	13F
VAN ECK ASSOCIATES CORP	13F	Company	0.12%	155,185	$18,233,000	—	30 Sep 2017	13F
FIC CAPITAL INC	13F	Company	0.11%	150,676	$17,703,000	—	30 Sep 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.11%	143,874	$16,904,000	—	30 Sep 2017	13F
TD ASSET MANAGEMENT INC	13F	Company	0.11%	138,795	$16,307,000	—	30 Sep 2017	13F
Swiss National Bank	13F	Company	0.1%	137,900	$16,202,000	—	30 Sep 2017	13F
Capital World Investors	13F	Company	0.1%	137,700	$16,178,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.1%	135,318	$15,899,000	—	30 Sep 2017	13F

Institutional Holders of ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) as of Q4 2017

As of 31 Dec 2017, ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) was held by 275 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 92,127,969 shares. The largest 10 holders included FMR LLC, PRICE T ROWE ASSOCIATES INC /MD/, WELLINGTON MANAGEMENT GROUP LLP, DODGE & COX, Vanguard Group Inc, BlackRock Inc., BAILLIE GIFFORD & CO, STATE STREET CORP, UBS ASSET MANAGEMENT AMERICAS INC, and Blue Ridge Capital, L.L.C.. This page lists 275 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

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

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

228

Q4 2017 holders

275

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 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.