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 924 institutions that hold shares in the stock, with a total of 117 Million shares, which have been reported (via 13F filing form) to have a value of $52.6 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Steph & CO
|
Jan 23, 2026 Q4 2025 |
135
shares
|
$60,636
0.02% of portfolio
|
Q4 2025
Reduced 27.03%
|
|
|
First Horizon Corp
Memphis, TN |
Oct 24, 2025 Q3 2025 |
135
shares
|
$60,636
0.0% of portfolio
|
Q3 2025
Added 1400.0%
|
|
|
Brown, Lisle/Cummings, Inc.
Providence, RI |
Jan 22, 2026 Q4 2025 |
132
shares
|
$59,289
0.01% of portfolio
|
Q1 2025
Added 5.6%
|
|
|
Harbour Investments, Inc.
Madison, WI |
Nov 12, 2025 Q3 2025 |
127
shares
|
$57,043
0.0% of portfolio
|
Q3 2025
Added 32.29%
|
|
|
Park Place Capital Corp
Birmingham, AL |
Jan 09, 2026 Q4 2025 |
126
shares
|
$56,594
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Ameritas Advisory Services, LLC
Lincoln, NE |
Nov 06, 2025 Q3 2025 |
116
shares
|
$52,102
0.0% of portfolio
|
Q3 2025
Reduced 9.38%
|
|
|
Whittier Trust CO Of Nevada Inc
|
Oct 31, 2025 Q3 2025 |
115
shares
|
$51,653
0.0% of portfolio
|
Q3 2025
Added 121.15%
|
|
|
Rossby Financial, Lcc
Melbourne, FL |
Nov 10, 2025 Q3 2025 |
112
shares
|
$50,305
0.02% of portfolio
|
Q3 2025
Added 128.57%
|
|
|
Cape Investment Advisory, Inc.
Mcdonough, GA |
Dec 29, 2025 Q3 2025 |
108
shares
|
$48,509
0.05% of portfolio
|
Q3 2025
Added 8.0%
|
|
|
Eastern Bank
|
Jan 14, 2026 Q4 2025 |
105
shares
|
$47,161
0.0% of portfolio
|
Q4 2025
New holding
|
|
|
Huntington National Bank
Columbus, OH |
Nov 12, 2025 Q3 2025 |
101
shares
|
$45,365
0.0% of portfolio
|
Q3 2025
Reduced 48.21%
|
|
|
Hartford Financial Management Inc.
|
Jan 21, 2026 Q4 2025 |
100
shares
|
$44,916
0.01% of portfolio
|
Q2 2024
New holding
|
|
|
Westside Investment Management, Inc.
|
Jan 23, 2026 Q4 2025 |
96
shares
|
$43,119
0.01% of portfolio
|
Q3 2025
Added 100.0%
|
|
|
Sandy Spring Bank
|
May 12, 2025 Q1 2025 |
92
shares
|
$41,322
0.0% of portfolio
|
Q1 2025
Reduced 5.15%
|
|
|
Hemington Wealth Management
|
Oct 24, 2025 Q3 2025 |
88
shares
|
$39,526
0.01% of portfolio
|
Q3 2025
Added 1.15%
|
|
|
Quent Capital, LLC
|
Oct 27, 2025 Q3 2025 |
85
shares
|
$38,178
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Hilltop National Bank
Casper, WY |
Jan 07, 2026 Q4 2025 |
80
shares
|
$35,932
0.01% of portfolio
|
Q4 2025
Reduced 12.09%
|
|
|
Aster Capital Management (Difc) LTD
Dubai, C0 |
Nov 12, 2025 Q3 2025 |
78
shares
|
$35,034
0.02% of portfolio
|
Q3 2025
New holding
|
|
|
Transamerica Financial Advisors, Inc.
Clearwater, FL |
Nov 14, 2025 Q3 2025 |
77
shares
|
$34,585
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Time Scale Financial, Inc.
|
Jul 26, 2023 Q2 2023 |
75
shares
|
$33,687
0.0% of portfolio
|
Q1 2022
New holding
|
|
|
Org Partners LLC
Roanoke, IN |
Jan 14, 2026 Q4 2025 |
73
shares
|
$32,788
0.01% of portfolio
|
Q4 2025
Reduced 8.75%
|
|
|
Sachetta, LLC
Lynnfield, MA |
Oct 24, 2025 Q3 2025 |
73
shares
|
$32,788
0.01% of portfolio
|
Q2 2025
Added 10.61%
|
|
|
Tfc Financial Management
|
Jan 23, 2026 Q4 2025 |
72
shares
|
$32,339
0.0% of portfolio
|
Q4 2025
Reduced 2.7%
|
|
|
Ameriflex Group, Inc.
Las Vegas, NV |
Nov 12, 2025 Q3 2025 |
70
shares
|
$31,441
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Whittier Trust CO
|
Oct 31, 2025 Q3 2025 |
69
shares
|
$30,992
0.0% of portfolio
|
Q2 2025
Added 91.67%
|
|