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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

617 hedge funds and large institutions have $34.2B invested in Alnylam Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 107 funds opening new positions, 236 increasing their positions, 197 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
617
Holders Change
+32
Holders Change %
+5.47%
% of All Funds
8.38%
Holding in Top 10
10
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+150%
% of All Funds
0.14%
New
107
Increased
236
Reduced
197
Closed
67
Calls
$274M
Puts
$238M
Net Calls
+$35.4M
Net Calls Change
+$6.38M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$493M
2
Bank of America
Bank of America
North Carolina
+$174M
3
Invesco
Invesco
Georgia
+$95.9M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$87.3M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$81.2M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$428M
2
Capital International Investors
Capital International Investors
California
-$334M
3
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$103M
4
BlackRock
BlackRock
New York
-$88M
5
Corient Private Wealth
Corient Private Wealth
Florida
-$63.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
C
501
Covestor
United Kingdom
$112K -$11.6K -43 -9%
OAM
502
Ostrum Asset Management
France
$110K -$2.97K -11 -3%
BIG
503
Brooklyn Investment Group
New York
$109K -$3.78K -14 -3%
VSQM
504
V-Square Quantitative Management
Illinois
$100K +$270 +1 +0.3%
VCM
505
Versant Capital Management
Arizona
$90.7K +$39.4K +146 +77%
EDRH
506
Edmond de Rothschild Holding
Switzerland
$85.9K +$13.2K +49 +18%
PWMG
507
Prestige Wealth Management Group
New Jersey
$85.3K – – –
BC
508
Bayforest Capital
United Kingdom
$82.6K +$10.5K +39 +15%
TWD
509
True Wealth Design
Ohio
$80.8K +$39.7K +147 +97%
OIAM
510
OFI Invest Asset Management
France
$75.5K +$36.7K +147 +95%
EPIM
511
Evelyn Partners Investment Management
$67.6K +$67.6K +260 New
IA
512
IFP Advisors
Florida
$62.6K -$2.43K -9 -4%
FFA
513
Farther Finance Advisors
California
$61.6K – – –
SWM
514
Spire Wealth Management
Virginia
$55.1K -$270 -1 -0.5%
AIM
515
Anchor Investment Management
South Carolina
$54K – – –
CWP
516
Concord Wealth Partners
Virginia
$54K – – –
LFG
517
Larson Financial Group
Missouri
$53.7K +$23.5K +87 +78%
HNB
518
Huntington National Bank
Ohio
$53.5K +$33.8K +125 +171%
WTA
519
Washington Trust Advisors
Massachusetts
$47.2K +$16.5K +61 +54%
IUHSA
520
Itau Unibanco Holding S.A.
Brazil
$46K -$271 -1 -0.6%
CAL
521
Capital Advisors Ltd
Ohio
$44K – – –
CWC
522
Carolinas Wealth Consulting
North Carolina
$42.4K +$2.16K +8 +5%
MPWT
523
MassMutual Private Wealth & Trust
Connecticut
$38.9K +$9.99K +37 +35%
PFBT
524
Parkside Financial Bank & Trust
Missouri
$36.5K +$21.3K +79 +141%
BLC
525
Brown, Lisle/Cummings
Rhode Island
$35.6K +$1.89K +7 +6%
19 20
21
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