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Alnylam Pharmaceuticals

315 hedge funds and large institutions have $12.3B invested in Alnylam Pharmaceuticals in 2019 Q4 according to their latest regulatory filings, with 72 funds opening new positions, 98 increasing their positions, 98 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

148% more first-time investments, than exits

New positions opened: 72 | Existing positions closed: 29

41% more capital invested

Capital invested by funds: $8.69B → $12.3B (+$3.56B)

13% more funds holding

Funds holding: 280315 (+35)

11% more call options, than puts

Call options by funds: $155M | Put options by funds: $139M

9% more funds holding in top 10

Funds holding in top 10: 1112 (+1)

0% more repeat investments, than reductions

Existing positions increased: 98 | Existing positions reduced: 98

2.23% less ownership

Funds ownership: 97.18%94.95% (-2.2%)

Holders
315
Holders Change
+35
Holders Change %
+12.5%
% of All Funds
6.21%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.24%
New
72
Increased
98
Reduced
98
Closed
29
Calls
$155M
Puts
$139M
Net Calls
+$15.3M
Net Calls Change
-$18.3M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.93B +$3.91M +39,228 +0.2%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$1.65B -$54.5M -546,433 -4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.18B +$12.4M +124,601 +1%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$943M -$4.91M -49,251 -0.6%
BlackRock
5
BlackRock
New York
$925M +$92.5M +928,087 +13%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$616M +$46.6M +467,438 +10%
Dodge & Cox
7
Dodge & Cox
California
$605M -$6.03M -60,480 -1%
State Street
8
State Street
Massachusetts
$334M -$10.2M -102,619 -3%
MC
9
Maverick Capital
Texas
$260M -$95.9M -961,916 -30%
BG
10
Bellevue Group
Switzerland
$215M -$10M -100,289 -5%
RI
11
RTW Investments
New York
$189M -$12.9M -129,764 -7%
Morgan Stanley
12
Morgan Stanley
New York
$177M +$17.7M +177,298 +13%
FCM
13
Farallon Capital Management
California
$167M -$4.98M -50,000 -3%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$143M +$5.06M +50,788 +4%
PAMU
15
Pictet Asset Management (UK)
United Kingdom
$122M -$7.85M -78,695 -13%
Norges Bank
16
Norges Bank
Norway
$116M -$12.1M -121,009 -11%
AG
17
Artal Group
Luxembourg
$115M +$29.9M +300,000 +43%
GGHC
18
Gilder Gagnon Howe & Co
New York
$108M -$1.76M -17,626 -2%
Goldman Sachs
19
Goldman Sachs
New York
$96.5M -$30.9M -309,664 -27%
UBS AM
20
UBS AM
Illinois
$94.9M +$3.23M +32,360 +4%
SPC
21
Slate Path Capital
New York
$93.9M +$19.9M +200,000 +33%
1WCM
22
12 West Capital Management
New York
$84.7M
Federated Hermes
23
Federated Hermes
Pennsylvania
$84.6M +$17.8M +178,973 +32%
Northern Trust
24
Northern Trust
Illinois
$76.8M +$48.2K +483 +0.1%
Charles Schwab
25
Charles Schwab
California
$69.2M +$925K +9,278 +2%

ALNY Hedge Fund Activity: Q4 2019 in Review

315 of the 5,075 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q4 2019, worth a combined $12.3B — up 41% from $8.69B a quarter earlier.

Buyers outnumbered sellers: 72 funds opened new ALNY positions and 29 closed out — a net gain of 43 holders — while 98 added to existing stakes and 98 trimmed.

The largest buyer was BlackRock, adding an estimated $92.5M. The largest seller was Maverick Capital, cutting an estimated $95.9M.

  • 315 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q4 2019, up from 280 in Q3 2019.
  • Funds reported $12.3B of Alnylam Pharmaceuticals stock for Q4 2019, up 41% quarter-over-quarter.
  • 72 funds opened new Alnylam Pharmaceuticals positions in Q4 2019 and 29 closed out, a net change of +43 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q4 2019 was BlackRock, an estimated $92.5M added.
  • The largest Alnylam Pharmaceuticals seller in Q4 2019 was Maverick Capital, an estimated $95.9M sold.

Based on aggregated 13F filings for Q4 2019.