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 |
|---|---|---|---|---|---|
|
Jefferies Financial Group Inc.
New York, NY |
Nov 12, 2025 Q3 2025 |
16,542
shares
|
$7.43 Million
0.04% of portfolio
|
Q3 2025
Added 98.3%
|
|
|
Efg Asset Management (North America) Corp.
|
Nov 03, 2025 Q3 2025 |
16,335
shares
|
$7.34 Million
1.03% of portfolio
|
Q3 2025
Reduced 22.81%
|
|
|
Twin Tree Management, LP
Dallas, TX |
Nov 13, 2025 Q3 2025 |
16,005
shares
|
$7.19 Million
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Quantessence Capital LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
15,874
shares
|
$7.13 Million
2.29% of portfolio
|
Q3 2025
New holding
|
|
|
Sumitomo Mitsui Ds Asset Management Company, LTD
|
Oct 24, 2025 Q3 2025 |
15,826
shares
|
$7.11 Million
0.06% of portfolio
|
Q3 2025
Added 6.87%
|
|
|
Efg Capital International Corp.
Miami, FL |
Aug 02, 2023 Q2 2023 |
15,735
shares
|
$7.07 Million
0.69% of portfolio
|
Q2 2023
New holding
|
|
|
Daiwa Securities Group Inc.
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
15,496
shares
|
$6.96 Million
0.02% of portfolio
|
Q3 2025
Added 19.74%
|
|
|
Mutual Of America Capital Management LLC
New York, NY |
Oct 31, 2025 Q3 2025 |
15,307
shares
|
$6.88 Million
0.08% of portfolio
|
Q3 2025
Reduced 4.01%
|
|
|
Soleus Capital Management, L.P.
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
15,250
shares
|
$6.85 Million
0.42% of portfolio
|
Q3 2025
Reduced 85.71%
|
|
|
Sabadell Asset Management, S.A S.G.I.I.C
Sant Cugat Del Valles, U3 |
Jan 23, 2024 Q2 2023 |
14,642
shares
|
$6.58 Million
0.58% of portfolio
|
Q2 2023
Reduced 6.57%
|
|
|
Federation Des Caisses Desjardins Du Quebec
Levis, A8 |
Nov 14, 2025 Q3 2025 |
14,627
shares
|
$6.57 Million
0.03% of portfolio
|
Q3 2025
Added 93.76%
|
|
|
Cetera Investment Advisers
Schaumburg, IL |
Nov 14, 2025 Q3 2025 |
14,523
shares
|
$6.52 Million
0.01% of portfolio
|
Q3 2025
Added 46.88%
|
|
|
Linden Advisors LP
New York, NY |
Nov 14, 2025 Q3 2025 |
14,364
shares
|
$6.45 Million
7.58% of portfolio
|
Q3 2025
New holding
|
|
|
Wealth Enhancement Advisory Services, LLC
|
Jan 08, 2026 Q4 2025 |
14,087
shares
|
$6.33 Million
0.01% of portfolio
|
Q4 2025
Reduced 3.02%
|
|
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
Oct 31, 2025 Q3 2025 |
13,985
shares
|
$6.28 Million
0.07% of portfolio
|
Q3 2025
Added 4.44%
|
|
|
Aware Super Pty LTD As Trustee Of Aware Super
Sydney, C3 |
Nov 13, 2025 Q3 2025 |
13,665
shares
|
$6.14 Million
0.09% of portfolio
|
Q4 2024
New holding
|
|
|
Tredje Ap Fonden
|
Nov 10, 2025 Q3 2025 |
13,456
shares
|
$6.04 Million
0.05% of portfolio
|
Q3 2025
Added 10.28%
|
|
|
Wealthfront Advisers LLC
|
Nov 06, 2025 Q3 2025 |
13,420
shares
|
$6.03 Million
0.01% of portfolio
|
Q3 2025
Added 11.06%
|
|
|
Hantz Financial Services, Inc.
|
Nov 04, 2025 Q3 2025 |
13,146
shares
|
$5.9 Million
0.09% of portfolio
|
Q3 2025
Added 3368.6%
|
|
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
Nov 07, 2025 Q3 2025 |
13,115
shares
|
$5.89 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.42%
|
|
|
Holocene Advisors, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
13,086
shares
|
$5.88 Million
0.01% of portfolio
|
Q3 2025
Reduced 97.81%
|
|
|
Srs Capital Advisors, Inc.
Denver, CO |
Nov 14, 2025 Q3 2025 |
13,085
shares
|
$5.88 Million
0.07% of portfolio
|
Q3 2025
Added 8623.33%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
Jan 08, 2026 Q4 2025 |
12,855
shares
|
$5.77 Million
0.01% of portfolio
|
Q4 2025
Added 3.0%
|
|
|
Zeke Capital Advisors, LLC
Berwyn, PA |
Feb 14, 2023 Q4 2022 |
12,770
shares
|
$5.74 Million
0.2% of portfolio
|
Q4 2022
Reduced 10.66%
|
|
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
Oct 28, 2025 Q3 2025 |
12,697
shares
|
$5.7 Million
0.46% of portfolio
|
Q3 2025
New holding
|
|