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Alnylam Pharmaceuticals

260 hedge funds and large institutions have $6.22B invested in Alnylam Pharmaceuticals in 2015 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 98 increasing their positions, 75 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

31% more repeat investments, than reductions

Existing positions increased: 98 | Existing positions reduced: 75

18% more capital invested

Capital invested by funds: $5.26B → $6.22B (+$960M)

13% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 39

1% more funds holding

Funds holding: 257260 (+3)

13% less funds holding in top 10

Funds holding in top 10: 87 (-1)

17% less call options, than puts

Call options by funds: $21M | Put options by funds: $25.4M

Holders
260
Holders Change
+3
Holders Change %
+1.17%
% of All Funds
6.82%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.18%
New
44
Increased
98
Reduced
75
Closed
39
Calls
$21M
Puts
$25.4M
Net Calls
-$4.4M
Net Calls Change
-$20.5M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
51
California State Teachers Retirement System (CalSTRS)
California
$13M +$204K +2,196 +2%
TCM
52
Tekla Capital Management
Massachusetts
$12.9M -$13.3M -143,979 -51%
RFC
53
Russell Frank Company
Washington
$12M +$9.06M +97,758 +330%
MTB
54
Mizuho Trust & Banking
Japan
$11.1M +$537K +5,796 +5%
UBS Group
55
UBS Group
Switzerland
$10.8M +$5.29M +57,018 +99%
GC
56
Guggenheim Capital
Illinois
$10.7M -$2.65M -28,541 -20%
TA
57
Teachers Advisors
New York
$10.5M -$4.91M -52,991 -32%
TAM
58
Tocqueville Asset Management
New York
$10.3M -$53.3K -575 -0.5%
VAM
59
Visium Asset Management
New York
$9.54M +$9.4M +101,347 New
Dimensional Fund Advisors
60
Dimensional Fund Advisors
Texas
$9.38M -$2.02M -21,738 -18%
State Board of Administration of Florida Retirement System
61
State Board of Administration of Florida Retirement System
Florida
$9.12M -$412K -4,445 -4%
Charles Schwab
62
Charles Schwab
California
$9.01M +$662K +7,139 +8%
KCM
63
Kornitzer Capital Management
Kansas
$8.58M +$3.26M +35,150 +63%
EAM
64
Eventide Asset Management
Massachusetts
$8.47M +$1.79M +19,300 +27%
BJ
65
BlackRock Japan
Japan
$8.46M -$4.36K -47 -0.1%
PAMU
66
Pictet Asset Management (UK)
United Kingdom
$8.06M -$67.9K -732 -0.8%
D.E. Shaw & Co
67
D.E. Shaw & Co
New York
$7.64M +$4.04M +43,599 +116%
Massachusetts Financial Services
68
Massachusetts Financial Services
Massachusetts
$7.44M -$49.8K -537 -0.7%
OAM
69
Oxford Asset Management
United Kingdom
$7.41M +$5.13M +55,296 +232%
RhumbLine Advisers
70
RhumbLine Advisers
Massachusetts
$7.12M +$190K +2,053 +3%
Bank of America
71
Bank of America
North Carolina
$7M +$4.2M +45,251 +155%
ProShare Advisors
72
ProShare Advisors
Maryland
$6.67M +$341K +3,682 +5%
Citigroup
73
Citigroup
New York
$6.63M -$2.3M -24,842 -26%
Royal London Asset Management
74
Royal London Asset Management
United Kingdom
$6.62M +$166K +1,789 +3%
AAM
75
Aureus Asset Management
Massachusetts
$6.27M +$6.18M +66,635 New

ALNY Hedge Fund Activity: Q4 2015 in Review

260 of the 3,811 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q4 2015, worth a combined $6.22B — up 18% from $5.26B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new ALNY positions and 39 closed out — a net gain of 5 holders — while 98 added to existing stakes and 75 trimmed.

The largest buyer was Baillie Gifford & Co, adding an estimated $187M. The largest seller was Amundi Asset Management US, exiting entirely with an estimated $50.8M sold.

  • 260 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q4 2015, up from 257 in Q3 2015.
  • Funds reported $6.22B of Alnylam Pharmaceuticals stock for Q4 2015, up 18% quarter-over-quarter.
  • 44 funds opened new Alnylam Pharmaceuticals positions in Q4 2015 and 39 closed out, a net change of +5 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q4 2015 was Baillie Gifford & Co, an estimated $187M added.
  • The largest Alnylam Pharmaceuticals seller in Q4 2015 was Amundi Asset Management US, an estimated $50.8M sold.

Based on aggregated 13F filings for Q4 2015.