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Alnylam Pharmaceuticals

785 hedge funds and large institutions have $42.5B invested in Alnylam Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 320 increasing their positions, 257 reducing their positions, and 153 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

18% less capital invested

Capital invested by funds: $51.7B → $42.5B (-$9.26B)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

33% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 153

Holders
785
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$450M
Puts
$205M
Net Calls
Net Calls Change

Top Buyers

1 +$1.17B
2 +$916M
3 +$546M
4
Two Sigma Investments
Two Sigma Investments
New York
+$468M
5
ClearBridge Investments
ClearBridge Investments
New York
+$258M

Top Sellers

1 -$1.87B
2 -$450M
3 -$448M
4
Invesco
Invesco
Georgia
-$297M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$175M
Name Holding Trade Value Shares
Change
Change in
Stake
AAP
551
Arax Advisory Partners
Colorado
$275K
FAFN
552
First Affirmative Financial Network
Colorado
$268K
MOS
553
MGO One Seven
Ohio
$258K
DWP
554
Daymark Wealth Partners
Ohio
$254K
AWM
555
Apollon Wealth Management
South Carolina
$254K
SW
556
SkyOak Wealth
Michigan
$251K
SFS
557
Sowell Financial Services
Arkansas
$250K
Capstone Investment Advisors
558
Capstone Investment Advisors
New York
$249K
LWAM
559
Legacy Wealth Asset Management
Minnesota
$247K
LAM
560
L2 Asset Management
Massachusetts
$247K
GT
561
Glenmede Trust
Pennsylvania
$242K
AWA
562
Aaron Wealth Advisors
Illinois
$241K
PWP
563
Perfromance Wealth Partners
Illinois
$240K
QWM
564
Quadcap Wealth Management
Texas
$234K
EFS
565
Essex Financial Services
Connecticut
$234K
ATS
566
Ashton Thomas Securities
New York
$230K
LWM
567
LeConte Wealth Management
Tennessee
$230K
EW
568
Evoke Wealth
California
$229K
EWA
569
EP Wealth Advisors
California
$229K
MWM
570
Modern Wealth Management
Kansas
$229K
FCM
571
Fourpath Capital Management
Oklahoma
$229K
FT
572
Fiduciary Trust
Massachusetts
$226K
1C
573
111 Capital
France
$220K
SL
574
Sentinus LLC
Illinois
$218K
C
575
Certuity
Florida
$217K