Latest Institutional Transactions on Alnylam Pharmaceuticals, Inc. (ALNY)
This table provides information on the latest institutional transactions involving Alnylam Pharmaceuticals, Inc. (ALNY) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 14, 2025
Q3 2025
|
Tabr Capital Management, LLC
Orange, CA |
BUY
|
- |
504New |
$157K - $243K
|
504
$226K
|
|
|
Oct 10, 2025
Q3 2025
|
Abound Wealth Management
Franklin, TN |
BUY
|
- |
1+ 33.33% |
$311 - $482
|
4
$1.8K
|
|
|
Oct 09, 2025
Q3 2025
|
Riversedge Advisors, LLC
|
BUY
|
- |
471New |
$147K - $227K
|
471
$212K
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
162K+ 76.91% |
$50.5M - $78.3M
|
373K
$168M
|
|
|
Oct 09, 2025
Q3 2025
|
U.S. Capital Wealth Advisors, LLC
Austin, TX |
SELL
|
- |
-24.5K- 47.06% |
$7.62M - $11.8M
|
27.5K
$12.4M
|
|
|
Oct 08, 2025
Q3 2025
|
Fiduciary Alliance LLC
Greenville, SC |
BUY
|
- |
533New |
$166K - $257K
|
533
$239K
|
|
|
Oct 08, 2025
Q3 2025
|
Rise Advisors, LLC
|
BUY
|
- |
1New |
$311 - $482
|
1
$449
|
|
|
Oct 07, 2025
Q3 2025
|
St Germain D J CO Inc
Springfield, MA |
SELL
|
- |
-843- 9.37% |
$262K - $406K
|
8.15K
$3.66M
|
|
|
Oct 06, 2025
Q3 2025
|
Sanders Morris Harris LLC
|
BUY
|
- |
3.15KNew |
$980K - $1.52M
|
3.15K
$1.41M
|
|
|
Oct 02, 2025
Q3 2025
|
Breakwater Investment Management
Seattle, WA |
BUY
|
- |
2New |
$622 - $964
|
2
$898
|
|
| Q2 2025 | |||||||
|
Jan 07, 2026
Q2 2025
|
Aventura Private Wealth, LLC
Aventura, FL |
BUY
|
- |
10+ 33.33% |
$2.24K - $3.26K
|
40
$18K
|
|
|
Dec 18, 2025
Q2 2025
|
Danske Bank A/S
Copenhagen K, G7 |
BUY
|
- |
1.8K+ 3.39% |
$404K - $588K
|
55K
$24.7M
|
|
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
93.6K+ 27.76% |
$21M - $30.5M
|
431K
$194M
|
|
|
Oct 29, 2025
Q2 2025
|
J.Safra Asset Management Corp
|
BUY
|
- |
2+ 4.88% |
$449 - $652
|
43
$19.3K
|
|
|
Aug 18, 2025
Q2 2025
|
Geneos Wealth Management Inc.
|
BUY
|
- |
16+ 7.21% |
$3.59K - $5.22K
|
238
$107K
|
|
|
Aug 15, 2025
Q2 2025
|
Ewing Morris & Co. Investment Partners Ltd.
Toronto, A6 |
BUY
|
- |
1.44KNew |
$323K - $470K
|
1.44K
$647K
|
|
|
Aug 14, 2025
Q2 2025
|
Ilmarinen Mutual Pension Insurance CO
Helsinki, H9 |
BUY
|
- |
21KNew |
$4.71M - $6.85M
|
21K
$9.43M
|
|
|
Aug 14, 2025
Q2 2025
|
Axa S.A.
Paris, I0 |
SELL
|
- |
-6.17K- 6.96% |
$1.38M - $2.01M
|
82.5K
$37M
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
SELL
|
- |
-198K- 70.09% |
$44.4M - $64.5M
|
84.4K
$37.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Iconiq Capital, LLC
San Francisco, CA |
BUY
|
- |
806New |
$181K - $263K
|
806
$362K
|
|
|
Aug 14, 2025
Q2 2025
|
Nebula Research & Development LLC
New York, NY |
BUY
|
- |
900New |
$202K - $293K
|
900
$404K
|
|
|
Aug 14, 2025
Q2 2025
|
Iron Triangle Partners LP
Cos Cob, CT |
SELL
|
- |
-36.1K- 55.15% |
$8.09M - $11.8M
|
29.3K
$13.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantitative Investment Management, LLC
Charlottesville, VA |
BUY
|
- |
1.24KNew |
$278K - $404K
|
1.24K
$556K
|
|
|
Aug 14, 2025
Q2 2025
|
First Turn Management, LLC
Del Mar, CA |
BUY
|
- |
17.9KNew |
$4.01M - $5.83M
|
17.9K
$8.03M
|
|
|
Aug 14, 2025
Q2 2025
|
Cinctive Capital Management LP
New York, NY |
SELL
|
- |
-1.99K- 8.02% |
$447K - $650K
|
22.9K
$10.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Volterra Technologies LP
New York, NY |
BUY
|
- |
490New |
$110K - $160K
|
490
$220K
|
|
|
Aug 14, 2025
Q2 2025
|
Volterra Technologies LP
New York, NY |
BUY
|
PUT |
200New |
$44.9K - $65.2K
|
200
$89.8K
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
PUT |
14K+ 87.5% |
$3.14M - $4.57M
|
30K
$13.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Ep Wealth Advisors, LLC
Torrance, CA |
SELL
|
- |
-285- 28.56% |
$63.9K - $92.9K
|
713
$320K
|
|
|
Aug 14, 2025
Q2 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
- |
25K+ 79.13% |
$5.61M - $8.15M
|
56.6K
$25.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
SELL
|
- |
-451- 7.69% |
$101K - $147K
|
5.42K
$2.43M
|
|
|
Aug 14, 2025
Q2 2025
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
- |
9.12K+ 90.42% |
$2.05M - $2.97M
|
19.2K
$8.63M
|
|
|
Aug 14, 2025
Q2 2025
|
Tri Locum Partners LP
New York, NY |
BUY
|
- |
89.5KNew |
$20.1M - $29.2M
|
89.5K
$40.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Pfm Health Sciences, LP
San Francisco, CA |
SELL
|
- |
-14.9K- 17.13% |
$3.35M - $4.87M
|
72.2K
$32.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
5.01KNew |
$1.12M - $1.63M
|
5.01K
$2.25M
|
|
|
Aug 14, 2025
Q2 2025
|
Principia Wealth Advisory, LLC
Dallas, TX |
BUY
|
- |
2+ 66.67% |
$449 - $652
|
5
$2.25K
|
|
|
Aug 14, 2025
Q2 2025
|
E Fund Management Co., Ltd.
Guangzhou, F4 |
SELL
|
- |
-9.11K- 71.72% |
$2.04M - $2.97M
|
3.59K
$1.61M
|
|
|
Aug 13, 2025
Q2 2025
|
Virtus Investment Advisers, Inc.
Hartford, CT |
SELL
|
- |
-8- 0.55% |
$1.79K - $2.61K
|
1.46K
$655K
|
|
|
Aug 13, 2025
Q2 2025
|
West Family Investments, Inc.
Carlsbad, CA |
BUY
|
- |
822New |
$184K - $268K
|
822
$369K
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Group Private Client Services, Inc.
Los Angeles, CA |
SELL
|
- |
-786- 42.35% |
$176K - $256K
|
1.07K
$481K
|
|
|
Aug 13, 2025
Q2 2025
|
Parkworth Wealth Management, Inc.
Los Gatos, CA |
BUY
|
- |
2+ 100.0% |
$449 - $652
|
4
$1.8K
|
|
|
Aug 13, 2025
Q2 2025
|
Flow Traders U.S. LLC
New York, NY |
BUY
|
- |
740New |
$166K - $241K
|
740
$332K
|
|
|
Aug 13, 2025
Q2 2025
|
Twin Peaks Wealth Advisors, LLC
Burlingame, CA |
BUY
|
- |
15New |
$3.36K - $4.89K
|
15
$6.74K
|
|
|
Aug 13, 2025
Q2 2025
|
Riggs Asset Managment Co. Inc.
|
BUY
|
- |
17New |
$3.81K - $5.54K
|
17
$7.64K
|
|
|
Aug 13, 2025
Q2 2025
|
Prestige Wealth Management Group LLC
|
SELL
|
- |
-132- 41.77% |
$29.6K - $43K
|
184
$82.6K
|
|
|
Aug 13, 2025
Q2 2025
|
Group One Trading, L.P.
Chicago, IL |
SELL
|
- |
-5.07K- 81.72% |
$1.14M - $1.65M
|
1.13K
$509K
|
|
|
Aug 13, 2025
Q2 2025
|
Fiduciary Trust CO
Boston, MA |
BUY
|
- |
673New |
$151K - $219K
|
673
$302K
|
|
|
Aug 12, 2025
Q2 2025
|
Archer Investment Corp
|
BUY
|
- |
10New |
$2.24K - $3.26K
|
10
$4.49K
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Aug 12, 2025
Q2 2025
|
Edmond De Rothschild Holding S.A.
Chambesy, V8 |
SELL
|
- |
-130- 40.88% |
$29.2K - $42.4K
|
188
$84.4K
|
|