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Alnylam Pharmaceuticals

164 hedge funds and large institutions have $3.27B invested in Alnylam Pharmaceuticals in 2013 Q3 according to their latest regulatory filings, with 48 funds opening new positions, 55 increasing their positions, 52 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

118% more capital invested

Capital invested by funds: $1.5B → $3.27B (+$1.77B)

118% more first-time investments, than exits

New positions opened: 48 | Existing positions closed: 22

100% more funds holding in top 10

Funds holding in top 10: 24 (+2)

21% more call options, than puts

Call options by funds: $27M | Put options by funds: $22.2M

18% more funds holding

Funds holding: 139164 (+25)

6% more repeat investments, than reductions

Existing positions increased: 55 | Existing positions reduced: 52

Holders
164
Holders Change
+25
Holders Change %
+17.99%
% of All Funds
5.32%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.13%
New
48
Increased
55
Reduced
52
Closed
22
Calls
$27M
Puts
$22.2M
Net Calls
+$4.76M
Net Calls Change
-$2.48M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$604M +$5.84M +117,145 +1%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$271M +$96.1M +1,928,635 +84%
Vanguard Group
3
Vanguard Group
Pennsylvania
$182M +$5.14M +103,095 +4%
BFA
4
BlackRock Fund Advisors
California
$144M +$16.8M +337,517 +18%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$132M +$103M +2,062,847 New
Franklin Resources
6
Franklin Resources
California
$131M +$87.7M +1,759,640 +620%
GGHC
7
Gilder Gagnon Howe & Co
New York
$123M +$12.2M +244,650 +15%
State Street
8
State Street
Massachusetts
$97.8M -$3.01M -60,471 -4%
BIT
9
BlackRock Institutional Trust
California
$95.3M +$743K +14,911 +1%
CWAM
10
Columbia Wanger Asset Management
Illinois
$84.2M +$10.8M +216,856 +20%
SPC
11
Slate Path Capital
New York
$80.7M +$10.5M +210,000 +20%
UBS AM
12
UBS AM
Illinois
$78.5M -$5.99M -120,120 -9%
Capital World Investors
13
Capital World Investors
California
$77.6M -$24.3M -487,000 -29%
Jennison Associates
14
Jennison Associates
New York
$72.5M +$7.28M +146,005 +15%
BA
15
BlackRock Advisors
Delaware
$70.2M -$3.66M -73,347 -6%
Wells Fargo
16
Wells Fargo
California
$61.9M -$5.35M -107,360 -10%
CCI
17
Columbus Circle Investors
$61.3M +$17.1M +342,395 +56%
Northern Trust
18
Northern Trust
Illinois
$51.6M +$799K +16,023 +2%
Baillie Gifford & Co
19
Baillie Gifford & Co
United Kingdom
$48.2M -$7.37M -147,900 -16%
TCM
20
TimesSquare Capital Management
New York
$39.9M +$31M +622,800 New
Lord, Abbett & Co
21
Lord, Abbett & Co
New Jersey
$37.4M -$22.1M -442,397 -43%
Ameriprise
22
Ameriprise
Minnesota
$36.2M -$4.81M -96,578 -15%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$33M -$2.61M -52,266 -9%
BB
24
BB Biotech
Switzerland
$30.2M +$822K +16,488 +4%
BM
25
Bridger Management
New York
$28.4M -$29.1M -583,467 -57%

ALNY Hedge Fund Activity: Q3 2013 in Review

164 of the 3,084 institutional investors tracked by Wall St. Rank reported a position in Alnylam Pharmaceuticals (ALNY) for Q3 2013, worth a combined $3.27B — up 118% from $1.5B a quarter earlier.

Buyers outnumbered sellers: 48 funds opened new ALNY positions and 22 closed out — a net gain of 26 holders — while 55 added to existing stakes and 52 trimmed.

The largest buyer was Wellington Management Group, opening a new position worth an estimated $103M. The largest seller was Citadel Advisors, cutting an estimated $45.6M.

  • 164 institutional investors held Alnylam Pharmaceuticals (ALNY) as of Q3 2013, up from 139 in Q2 2013.
  • Funds reported $3.27B of Alnylam Pharmaceuticals stock for Q3 2013, up 118% quarter-over-quarter.
  • 48 funds opened new Alnylam Pharmaceuticals positions in Q3 2013 and 22 closed out, a net change of +26 holders.
  • The largest Alnylam Pharmaceuticals buyer in Q3 2013 was Wellington Management Group, an estimated $103M added.
  • The largest Alnylam Pharmaceuticals seller in Q3 2013 was Citadel Advisors, an estimated $45.6M sold.

Based on aggregated 13F filings for Q3 2013.