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Alnylam Pharmaceuticals

494 hedge funds and large institutions have $22.6B invested in Alnylam Pharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 166 increasing their positions, 158 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

5% more repeat investments, than reductions

Existing positions increased: 166 | Existing positions reduced: 158

0.3% less ownership

Funds ownership: 94.2%93.91% (-0.3%)

17% less call options, than puts

Call options by funds: $267M | Put options by funds: $321M

Holders
494
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$267M
Puts
$321M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
201
$2.51M
202
$2.23M
203
$2.22M
204
$2.19M
205
$2.17M
206
$2.12M
207
$2.09M
208
$2.07M
209
$2.07M
210
$2.02M
211
$1.98M
212
$1.98M
213
$1.95M
214
$1.89M
215
$1.82M
216
$1.82M
217
$1.81M
218
$1.71M
219
$1.67M
220
$1.59M
221
$1.56M
222
$1.53M
223
$1.53M
224
$1.52M
225
$1.52M