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Alnylam Pharmaceuticals

282 hedge funds and large institutions have $11.7B invested in Alnylam Pharmaceuticals in 2017 Q4 according to their latest regulatory filings, with 76 funds opening new positions, 102 increasing their positions, 65 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

14% more call options, than puts

Call options by funds: $165M | Put options by funds: $144M

14% more capital invested

Capital invested by funds: $10.3B → $11.7B (+$1.43B)

1.69% less ownership

Funds ownership: 95.44%93.75% (-1.7%)

Holders
282
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$165M
Puts
$144M
Net Calls
Net Calls Change

Top Sellers

1 -$269M
2 -$116M
3 -$90.2M
4
Goldman Sachs
Goldman Sachs
New York
-$77M
5
PA
Perceptive Advisors
New York
-$58.2M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$1.89B
2
$1.55B
3
$1.17B
4
$1.05B
5
$923M
6
$904M
7
$459M
8
$254M
9
$177M
10
$170M
11
$169M
12
$155M
13
$151M
14
$148M
15
$134M
16
$120M
17
$94.9M
18
$94.3M
19
$88.9M
20
$79.9M
21
$72.6M
22
$65.6M
23
$63.6M
24
$62.7M
25
$60.3M