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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

584 hedge funds and large institutions have $30B invested in Alnylam Pharmaceuticals in 2024 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 234 increasing their positions, 179 reducing their positions, and 61 closing their positions.

Holders
584
Holders Change
+25
Holders Change %
+4.47%
% of All Funds
7.78%
Holding in Top 10
4
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-42.86%
% of All Funds
0.05%
New
95
Increased
234
Reduced
179
Closed
61
Calls
$195M
Puts
$166M
Net Calls
+$29M
Net Calls Change
-$10.2M

Top Buyers

1
RP
1
Regeneron Pharmaceuticals
New York
$1.05B
2
Norges Bank
2
Norges Bank
Norway
$578M
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$1.64B
4
T. Rowe Price Investment Management
4
T. Rowe Price Investment Management
Maryland
$1.03B
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$114M

Top Sellers

1
Capital International Investors
1
Capital International Investors
California
$334M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.17B
3
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$951M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$988M
5
Pictet Asset Management
5
Pictet Asset Management
Switzerland
$101M
Name Market Value Shares Shares
Change 		Shares
Change %
Capital World Investors
1
Capital World Investors
California
$3.91B 16,600,525 +92,101 +0.6%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.17B 13,485,903 -1,186,369 -8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3B 12,733,399 +98,303 +0.8%
BlackRock
4
BlackRock
New York
$2.33B 9,885,257 +177,839 +2%
Capital Research Global Investors
5
Capital Research Global Investors
California
$1.64B 6,968,513 +1,724,610 +33%
RP
6
Regeneron Pharmaceuticals
New York
$1.05B 4,444,445 +4,444,445 New
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$1.03B 4,384,449 +1,245,195 +40%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$988M 4,196,623 -756,724 -15%
Baillie Gifford & Co
9
Baillie Gifford & Co
United Kingdom
$951M 4,040,259 -846,741 -17%
Dodge & Cox
10
Dodge & Cox
California
$833M 3,540,262 -82,273 -2%
State Street
11
State Street
Massachusetts
$805M 3,422,877 -45,438 -1%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$781M 3,319,385 -132,448 -4%
Norges Bank
13
Norges Bank
Norway
$578M 2,456,082 +2,456,082 New
JPMorgan Chase & Co
14
JPMorgan Chase & Co
New York
$529M 2,250,060 +87,116 +4%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$518M 2,206,800 +59,597 +3%
American Century Companies
16
American Century Companies
Missouri
$377M 1,604,024 +11,291 +0.7%
OAG
17
Orbis Allan Gray
Bermuda
$347M 1,472,802 +204,690 +16%
Capital International Investors
18
Capital International Investors
California
$334M 1,418,602 -2,552,261 -64%
Winslow Capital Management
19
Winslow Capital Management
Minnesota
$240M 1,020,567 +58,960 +6%
Northern Trust
20
Northern Trust
Illinois
$207M 878,860 +143,941 +20%
Legal & General Group
21
Legal & General Group
United Kingdom
$195M 828,917 +37,188 +5%
AQR Capital Management
22
AQR Capital Management
Connecticut
$191M 813,356 +307,702 +61%
BG
23
Bellevue Group
Switzerland
$181M 770,268 -38,827 -5%
Morgan Stanley
24
Morgan Stanley
New York
$171M 727,224 +108,661 +18%
UBS AM
25
UBS AM
Illinois
$167M 710,598 +4,367 +0.6%
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