Question 1

Who owns ALNY?

Accepted Answer

ALNYLAM PHARMACEUTICALS INC (ALNY) is held by 292 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is FMR LLC as of Q1 2026.

Question 2

Are institutions buying or selling ALNY?

Accepted Answer

In Q1 2026, 167 institutions opened or increased positions in ALNYLAM PHARMACEUTICALS INC while 141 reduced or exited — a net buying quarter.

Question 3

What is the Smart Money Verdict on ALNY?

Accepted Answer

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ALNYLAM PHARMACEUTICALS INC.

Question 4

How many hedge funds hold ALNY?

Accepted Answer

292 institutional investors report holding ALNYLAM PHARMACEUTICALS INC (ALNY) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into ALNY?

Accepted Answer

As of Q1 2026, tracked institutions in ALNYLAM PHARMACEUTICALS INC show 167 buyers versus 141 sellers — net inflows.

Question 6

Are Congress members and hedge funds both buying ALNY?

Accepted Answer

Yes — in the latest quarter, 2 members of Congress and 167 institutional investors bought ALNYLAM PHARMACEUTICALS INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Decreased	14.6M(-8.3%)	$4.8B	0.3%	+17.51%	0
Capital World Investors	Decreased	10.8M(-33.7%)	$3.6B	0.5%	+50.91%	0
BlackRock, Inc.	Increased	10.4M(+0.4%)	$3.5B	0.1%	+20.71%	32
Capital Research Global Investors	Increased	9.5M(+39.7%)	$3.1B	0.5%	+15.95%	51
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	6.5M	$2.1B	0.1%	-6.24%	53
JPMORGAN CHASE & CO	Increased	6.3M(+34.0%)	$2B	0.1%	-13.27%	49
VAVANGUARD CAPITAL MANAGEMENT LLC	New	5.9M	$2B	0.0%	-6.24%	44
STATE STREET CORP	Increased	3.3M(+2.9%)	$1.1B	0.0%	+43.65%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.7M(+0.4%)	$884.6M	0.1%	+78.62%	32
BAILLIE GIFFORD & CO	Decreased	2.5M(-4.1%)	$825.1M	0.8%	+194.77%	0
TWO SIGMA INVESTMENTS, LP	Increased	2M(+223.4%)	$659.3M	0.5%	-9.06%	72
WELLINGTON MANAGEMENT GROUP LLP	Increased	1.9M(+18.9%)	$640.5M	0.1%	+22.59%	44
DODGE & COX	Decreased	1.9M(-1.8%)	$638.3M	0.4%	+216.34%	0
AMERICAN CENTURY COMPANIES INC	Increased	1.8M(+21.4%)	$596.3M	0.3%	+46.79%	45
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	1.4M(-15.9%)	$474.1M	0.1%	+27.59%	0
Clearbridge Investments, LLC	Increased	1.4M(+127.1%)	$448.7M	0.4%	-8.34%	60
Orbis Allan Gray Ltd	Decreased	1.3M(-17.5%)	$441.7M	1.9%	+10.32%	0
Invesco Ltd.	Decreased	1.3M(-40.4%)	$427.4M	0.1%	-8.11%	0
MWMARSHALL WACE, LLP	Increased	1.1M(+99.9%)	$363.7M	0.4%	-11.27%	60
DED. E. Shaw & Co., Inc.	Increased	1.1M(+138.3%)	$350.4M	0.2%	-11.74%	60

ALNYLAM PHARMACEUTICALS INC

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