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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

171% more first-time investments, than exits

New positions opened: 76 | Existing positions closed: 28

57% more repeat investments, than reductions

Existing positions increased: 102 | Existing positions reduced: 65

20% more funds holding

Funds holding: 235282 (+47)

17% more funds holding in top 10

Funds holding in top 10: 1214 (+2)

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
+47
Holders Change %
+20%
% of All Funds
6.4%
Holding in Top 10
14
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+16.67%
% of All Funds
0.32%
New
76
Increased
102
Reduced
65
Closed
28
Calls
$165M
Puts
$144M
Net Calls
+$20.6M
Net Calls Change
-$48.6M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.89B +$140M +1,115,616 +8%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.55B +$461M +3,668,358 +43%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.17B -$266M -2,118,787 -19%
Dodge & Cox
4
Dodge & Cox
California
$1.05B -$114M -909,900 -10%
Vanguard Group
5
Vanguard Group
Pennsylvania
$923M +$96.9M +771,016 +12%
BlackRock
6
BlackRock
New York
$904M +$126M +1,003,366 +16%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$459M +$25.8M +205,622 +6%
State Street
8
State Street
Massachusetts
$254M -$5.14M -40,932 -2%
UBS AM
9
UBS AM
Illinois
$177M +$3.75M +29,816 +2%
BRC
10
Blue Ridge Capital
New York
$170M -$24.3M -193,599 -13%
PA
11
Perceptive Advisors
New York
$169M -$57.5M -458,000 -26%
GGHC
12
Gilder Gagnon Howe & Co
New York
$155M +$12.2M +96,812 +9%
Goldman Sachs
13
Goldman Sachs
New York
$151M -$76.2M -606,207 -34%
Morgan Stanley
14
Morgan Stanley
New York
$148M +$23.7M +188,948 +19%
BB
15
BB Biotech
Switzerland
$134M -$7.54M -60,000 -5%
O
16
OrbiMed
New York
$120M -$18M -143,200 -13%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$94.9M +$11.1M +88,119 +13%
Norges Bank
18
Norges Bank
Norway
$94.3M +$23.5M +187,242 +34%
1WCM
19
12 West Capital Management
New York
$88.9M
Federated Hermes
20
Federated Hermes
Pennsylvania
$79.9M +$57.5M +457,913 +268%
First Trust Advisors
21
First Trust Advisors
Illinois
$72.6M -$26.8M -213,221 -27%
PC
22
Polar Capital
United Kingdom
$65.6M +$64.9M +516,232 New
BM
23
Bridger Management
New York
$63.6M +$14.6M +116,286 +30%
Janus Henderson Group
24
Janus Henderson Group
United Kingdom
$62.7M -$23.8M -189,401 -28%
Northern Trust
25
Northern Trust
Illinois
$60.3M +$12.3M +97,881 +26%

ALNY Hedge Fund Activity: Q4 2017 in Review

282 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q4 2017, worth a combined $11.7B — up 14% from $10.3B a quarter earlier.

Buyers outnumbered sellers: 76 funds opened new ALNY positions and 28 closed out — a net gain of 48 holders — while 102 added to existing stakes and 65 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $461M. The largest seller was Wellington Management Group, cutting an estimated $266M.

  • 282 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q4 2017, up from 235 in Q3 2017.
  • Funds reported $11.7B of Alnylam Pharmaceuticals stock for Q4 2017, up 14% quarter-over-quarter.
  • 76 funds opened new Alnylam Pharmaceuticals positions in Q4 2017 and 28 closed out, a net change of +48 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q4 2017 was T. Rowe Price Associates, an estimated $461M added.
  • The largest Alnylam Pharmaceuticals seller in Q4 2017 was Wellington Management Group, an estimated $266M sold.

Based on aggregated 13F filings for Q4 2017.