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 Q1 2016?

248 institutional investors reported ALNY - ALNYLAM PHARMACEUTICALS, INC. - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY)

CUSIP: 02043Q107

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 131,516,365
Total 13F shares: 70,923,645
Share change: +4,923,344
Total reported value: $4,451,021,161
Put/Call ratio: 91%
Price per share: $62.77
Number of holders: 248
Value change: +$295,037,172
Number of buys: 139
Number of sells: 98

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: Q2 2016
Previous quarter: Q4 2015

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	9.7%	12,710,356	$1,196,553,000	—	31 Dec 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	8.1%	10,657,484	$1,003,295,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	3.8%	5,048,221	$475,241,000	—	31 Dec 2015	13F
BAILLIE GIFFORD & CO	13F	Company	2.1%	2,727,734	$256,790,000	—	31 Dec 2015	13F
Capital World Investors	13F	Company	1.5%	1,938,603	$182,500,000	—	31 Dec 2015	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	1.5%	1,921,276	$180,869,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.3%	1,772,889	$166,900,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	1.3%	1,726,124	$162,497,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	1.3%	1,673,737	$157,572,000	—	31 Dec 2015	13F
JENNISON ASSOCIATES LLC	13F	Company	1.1%	1,489,541	$140,225,000	—	31 Dec 2015	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	1.1%	1,477,367	$139,079,000	—	31 Dec 2015	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.94%	1,237,845	$116,531,000	—	31 Dec 2015	13F
FIRST TRUST ADVISORS LP	13F	Company	0.93%	1,223,535	$115,184,000	—	31 Dec 2015	13F
BB BIOTECH AG	13F	Company	0.86%	1,132,499	$106,613,000	—	31 Dec 2015	13F
MORGAN STANLEY	13F	Company	0.83%	1,096,923	$103,264,000	—	31 Dec 2015	13F
Blue Ridge Capital, L.L.C.	13F	Company	0.82%	1,075,000	$101,201,000	—	31 Dec 2015	13F
FRANKLIN RESOURCES INC	13F	Company	0.74%	967,825	$91,114,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.59%	774,236	$72,888,000	—	31 Dec 2015	13F
Slate Path Capital LP	13F	Company	0.55%	725,000	$68,252,000	—	31 Dec 2015	13F
BRIDGER MANAGEMENT, LLC	13F	Company	0.55%	717,521	$67,547,000	—	31 Dec 2015	13F
12 West Capital Management LP	13F	Company	0.49%	651,000	$61,285,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.45%	598,157	$56,311,000	—	31 Dec 2015	13F
RTW INVESTMENTS, LP	13F	Company	0.44%	573,361	$53,976,000	—	31 Dec 2015	13F
Alpha Wave Global, LP	13F	Company	0.37%	491,713	$46,290,000	—	31 Dec 2015	13F
Artal Group S.A.	13F	Company	0.36%	475,000	$44,717,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.34%	448,554	$42,199,000	—	31 Dec 2015	13F
BlackRock Group LTD	13F	Company	0.32%	426,384	$40,139,000	—	31 Dec 2015	13F
Invesco Ltd.	13F	Company	0.3%	398,001	$37,468,000	—	31 Dec 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.3%	393,135	$37,009,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	0.26%	339,544	$31,965,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	0.24%	312,051	$29,376,000	—	31 Dec 2015	13F
Legal & General Group Plc	13F	Company	0.22%	289,267	$27,232,000	—	31 Dec 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.2%	266,246	$25,061,000	—	31 Dec 2015	13F
WealthPLAN Partners, LLC	13F	Company	0%	750	$23,583,000	—	31 Dec 2015	13F
Cormorant Asset Management, LP	13F	Company	0.19%	245,000	$23,064,000	—	31 Dec 2015	13F
Artisan Partners Limited Partnership	13F	Company	0.18%	238,023	$22,407,000	—	31 Dec 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.17%	224,877	$21,170,000	—	31 Dec 2015	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.17%	221,383	$20,841,000	—	31 Dec 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.16%	216,678	$20,398,000	—	31 Dec 2015	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.15%	201,785	$19,071,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.15%	200,787	$18,902,000	—	31 Dec 2015	13F
VAN ECK ASSOCIATES CORP	13F	Company	0.15%	193,870	$18,251,000	—	31 Dec 2015	13F
CREDIT SUISSE AG/	13F	Company	0.14%	189,511	$17,841,000	—	31 Dec 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.14%	181,538	$17,090,000	—	31 Dec 2015	13F
BLACKROCK ADVISORS LLC	13F	Company	0.14%	179,529	$16,901,000	—	31 Dec 2015	13F
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	13F	Company	0.14%	178,831	$16,835,000	—	31 Dec 2015	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.13%	176,682	$16,633,000	—	31 Dec 2015	13F
FIC CAPITAL INC	13F	Company	0.13%	164,706	$15,505,000	—	31 Dec 2015	13F
TimesSquare Capital Management, LLC	13F	Company	0.12%	160,650	$15,124,000	—	31 Dec 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.11%	146,500	$13,792,000	—	31 Dec 2015	13F

Institutional Holders of ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) as of Q1 2016

As of 31 Mar 2016, ALNYLAM PHARMACEUTICALS, INC. - Common Stock (ALNY) was held by 248 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 70,923,645 shares. The largest 10 holders included FMR LLC, WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, BAILLIE GIFFORD & CO, Capital World Investors, STATE STREET CORP, BlackRock Fund Advisors, BlackRock Institutional Trust Company, N.A., UBS ASSET MANAGEMENT AMERICAS INC, and GILDER GAGNON HOWE & CO LLC. This page lists 248 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

258

Q1 2016 holders

248

Holder diff

-10

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.