Institutional Ownership Alnylam Pharmaceuticals, Inc. (ALNY)
This table provides information about the institutional ownership of Alnylam Pharmaceuticals, Inc. (ALNY). We have compiled data on the 719 institutions that hold shares in the stock, with a total of 111 Million shares, which have been reported (via 13F filing form) to have a value of $35.9 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Capital World Investors
Los Angeles, CA |
May 12, 2025 Q1 2025 |
16,749,623
shares
|
$5.44 Billion
0.76% of portfolio
|
Q1 2025
Added 0.9%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
13,056,605
shares
|
$4.24 Billion
0.07% of portfolio
|
Q1 2025
Added 2.54%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
9,547,663
shares
|
$3.1 Billion
0.05% of portfolio
|
Q2 2024
Added 5.79%
|
|
|
Capital Research Global Investors
Los Angeles, CA |
May 12, 2025 Q1 2025 |
7,154,728
shares
|
$2.32 Billion
0.44% of portfolio
|
Q1 2025
Added 2.67%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
May 14, 2025 Q1 2025 |
4,418,145
shares
|
$1.43 Billion
0.79% of portfolio
|
Q1 2025
Added 0.77%
|
|
|
Baillie Gifford & CO
|
May 07, 2025 Q1 2025 |
3,657,607
shares
|
$1.19 Billion
0.89% of portfolio
|
Q1 2025
Reduced 9.47%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
May 14, 2025 Q1 2025 |
3,505,168
shares
|
$1.14 Billion
0.12% of portfolio
|
Q1 2025
Added 5.6%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
3,366,583
shares
|
$1.09 Billion
0.04% of portfolio
|
Q1 2025
Reduced 1.64%
|
|
|
Dodge & Cox
San Francisco, CA |
May 14, 2025 Q1 2025 |
3,351,762
shares
|
$1.09 Billion
0.55% of portfolio
|
Q1 2025
Reduced 5.32%
|
|
|
Wellington Management Group LLP
Boston, MA |
May 13, 2025 Q1 2025 |
2,610,986
shares
|
$848 Million
0.14% of portfolio
|
Q1 2025
New holding
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
2,322,834
shares
|
$754 Million
0.05% of portfolio
|
Q1 2025
Added 5.26%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
2,218,872
shares
|
$720 Million
0.05% of portfolio
|
Q1 2025
Reduced 1.39%
|
|
|
American Century Companies Inc
Kansas City, MO |
May 13, 2025 Q1 2025 |
1,760,435
shares
|
$572 Million
0.3% of portfolio
|
Q1 2025
Added 9.75%
|
|
|
Orbis Allan Gray LTD
Hamilton, D0 |
May 15, 2025 Q1 2025 |
1,634,923
shares
|
$531 Million
3.18% of portfolio
|
Q1 2025
Added 11.01%
|
|
|
Groupama Asset Managment
Paris, I0 |
May 14, 2025 Q1 2025 |
1,540,139
shares
|
$500 Million
0.25% of portfolio
|
Q1 2025
Added 0.76%
|
|
|
Winslow Capital Management, LLC
Minneapolis, MN |
May 14, 2025 Q1 2025 |
1,187,178
shares
|
$385 Million
1.32% of portfolio
|
Q1 2025
Added 16.33%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
1,064,573
shares
|
$346 Million
0.02% of portfolio
|
Q1 2025
Added 154.35%
|
|
|
Invesco Ltd.
Atlanta, GA |
May 12, 2025 Q1 2025 |
913,792
shares
|
$297 Million
0.05% of portfolio
|
Q1 2025
Added 63.62%
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
883,374
shares
|
$287 Million
0.08% of portfolio
|
Q1 2025
New holding
|
|
|
Legal & General Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
881,111
shares
|
$286 Million
0.07% of portfolio
|
Q4 2023
Reduced 13.92%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
865,020
shares
|
$281 Million
0.04% of portfolio
|
Q1 2025
Reduced 1.57%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
828,344
shares
|
$269 Million
0.23% of portfolio
|
Q1 2025
Added 1.84%
|
|
|
Bellevue Group Ag
Kuesnacht, V8 |
May 14, 2025 Q1 2025 |
768,147
shares
|
$249 Million
4.81% of portfolio
|
Q1 2025
Reduced 0.28%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
May 19, 2025 Q1 2025 |
736,111
shares
|
$239 Million
0.05% of portfolio
|
Q1 2025
Added 3.59%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
648,546
shares
|
$211 Million
0.15% of portfolio
|
Q2 2023
Added 7.36%
|