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 742 institutions that hold shares in the stock, with a total of 115 Million shares, which have been reported (via 13F filing form) to have a value of $49.3 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Capital World Investors
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
16,805,007
shares
|
$7.22 Billion
0.83% of portfolio
|
Q2 2025
Added 0.33%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
13,297,139
shares
|
$5.72 Billion
0.07% of portfolio
|
Q2 2025
Added 1.84%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
9,547,663
shares
|
$4.1 Billion
0.05% of portfolio
|
Q2 2024
Added 5.79%
|
|
|
Capital Research Global Investors
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
7,191,656
shares
|
$3.09 Billion
0.49% of portfolio
|
Q2 2025
Added 0.52%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
4,281,279
shares
|
$1.84 Billion
0.88% of portfolio
|
Q2 2025
Reduced 3.1%
|
|
|
Dodge & Cox
San Francisco, CA |
Aug 13, 2025 Q2 2025 |
3,197,096
shares
|
$1.37 Billion
0.63% of portfolio
|
Q2 2025
Reduced 4.61%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
3,173,105
shares
|
$1.36 Billion
0.04% of portfolio
|
Q2 2025
Reduced 5.75%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
3,145,006
shares
|
$1.35 Billion
0.12% of portfolio
|
Q2 2025
Reduced 10.28%
|
|
|
Baillie Gifford & CO
|
Aug 06, 2025 Q2 2025 |
3,031,891
shares
|
$1.3 Billion
0.77% of portfolio
|
Q2 2025
Reduced 17.11%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
2,398,770
shares
|
$1.03 Billion
0.06% of portfolio
|
Q2 2025
Added 3.27%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
2,218,872
shares
|
$954 Million
0.05% of portfolio
|
Q1 2025
Reduced 1.39%
|
|
|
Orbis Allan Gray LTD
Hamilton, D0 |
Aug 14, 2025 Q2 2025 |
2,121,412
shares
|
$912 Million
4.54% of portfolio
|
Q2 2025
Added 29.76%
|
|
|
Wellington Management Group LLP
Boston, MA |
Aug 14, 2025 Q2 2025 |
2,075,752
shares
|
$892 Million
0.13% of portfolio
|
Q2 2025
Reduced 20.5%
|
|
|
Norges Bank
Oslo, Q8 |
Aug 13, 2025 Q2 2025 |
2,032,680
shares
|
$874 Million
0.09% of portfolio
|
Q2 2025
New holding
|
|
|
American Century Companies Inc
Kansas City, MO |
Aug 12, 2025 Q2 2025 |
1,793,846
shares
|
$771 Million
0.33% of portfolio
|
Q2 2025
Added 1.9%
|
|
|
Groupama Asset Managment
Paris, I0 |
Aug 13, 2025 Q2 2025 |
1,548,385
shares
|
$666 Million
0.29% of portfolio
|
Q2 2025
Added 0.54%
|
|
|
Invesco Ltd.
Atlanta, GA |
Aug 13, 2025 Q2 2025 |
1,341,694
shares
|
$577 Million
0.08% of portfolio
|
Q2 2025
Added 46.83%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
1,257,328
shares
|
$541 Million
0.03% of portfolio
|
Q2 2025
Added 18.11%
|
|
|
Winslow Capital Management, LLC
Minneapolis, MN |
Aug 13, 2025 Q2 2025 |
1,177,439
shares
|
$506 Million
1.33% of portfolio
|
Q2 2025
Reduced 0.82%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Aug 14, 2025 Q2 2025 |
958,336
shares
|
$412 Million
0.07% of portfolio
|
Q2 2025
Added 30.19%
|
|
|
Legal & General Group PLC
London, X0 |
Aug 12, 2025 Q2 2025 |
872,771
shares
|
$375 Million
0.07% of portfolio
|
Q2 2025
Reduced 0.95%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
831,777
shares
|
$358 Million
0.04% of portfolio
|
Q2 2025
Reduced 3.84%
|
|
|
Nuveen, LLC
Charlotte, NC |
Aug 12, 2025 Q2 2025 |
774,969
shares
|
$333 Million
0.07% of portfolio
|
Q2 2025
Reduced 12.27%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
770,968
shares
|
$331 Million
0.02% of portfolio
|
Q2 2025
Added 20.13%
|
|
|
Bellevue Group Ag
Kuesnacht, V8 |
Aug 14, 2025 Q2 2025 |
676,367
shares
|
$291 Million
5.02% of portfolio
|
Q2 2025
Reduced 11.95%
|