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Alnylam Pharmaceuticals

198 hedge funds and large institutions have $4.22B invested in Alnylam Pharmaceuticals in 2017 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 63 increasing their positions, 72 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

41% more capital invested

Capital invested by funds: $2.99B → $4.22B (+$1.22B)

2.49% more ownership

Funds ownership: 93.15%95.64% (+2.5%)

6% more call options, than puts

Call options by funds: $45.9M | Put options by funds: $43.4M

0% more funds holding in top 10

Funds holding in top 10: 88 (0)

6% less funds holding

Funds holding: 210198 (-12)

13% less repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 72

19% less first-time investments, than exits

New positions opened: 29 | Existing positions closed: 36

Holders
198
Holders Change
-12
Holders Change %
-5.71%
% of All Funds
4.93%
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
29
Increased
63
Reduced
72
Closed
36
Calls
$45.9M
Puts
$43.4M
Net Calls
+$2.52M
Net Calls Change
+$5.39M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$662M +$1.65M +35,803 +0.3%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$617M +$1.44M +31,208 +0.3%
Dodge & Cox
3
Dodge & Cox
California
$482M +$8.98M +194,295 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$290M +$9.28M +200,890 +4%
BlackRock
5
BlackRock
New York
$243M +$219M +4,732,617 +34,755%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$214M +$197K +4,255 +0.1%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$171M +$762K +16,489 +0.5%
State Street
8
State Street
Massachusetts
$111M -$9.05M -195,766 -8%
SPC
9
Slate Path Capital
New York
$103M
UBS AM
10
UBS AM
Illinois
$88.7M +$2.94M +63,655 +4%
BRC
11
Blue Ridge Capital
New York
$81.5M +$12.5M +270,000 +20%
Goldman Sachs
12
Goldman Sachs
New York
$70.9M +$21.7M +469,557 +51%
BB
13
BB Biotech
Switzerland
$63.6M +$2.31M +50,000 +4%
GGHC
14
Gilder Gagnon Howe & Co
New York
$61.8M -$1.14M -24,745 -2%
PA
15
Perceptive Advisors
New York
$56.6M +$45.5M +985,000 +831%
RI
16
RTW Investments
New York
$56M +$14M +303,308 +38%
BM
17
Bridger Management
New York
$37.3M +$392K +8,476 +1%
Morgan Stanley
18
Morgan Stanley
New York
$36M -$5.1M -110,448 -14%
1WCM
19
12 West Capital Management
New York
$35.9M
First Trust Advisors
20
First Trust Advisors
Illinois
$35.6M -$2.04M -44,224 -6%
JHIU
21
Janus Henderson Investors US
Colorado
$33.3M +$6.1M +131,969 +26%
Norges Bank
22
Norges Bank
Norway
$33M -$936K -20,248 -3%
ACH
23
ArrowMark Colorado Holdings
Colorado
$31.1M -$4M -86,593 -13%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$29.6M +$1.98M +42,781 +8%
PAMU
25
Pictet Asset Management (UK)
United Kingdom
$28.9M +$10.9M +236,379 +72%