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Arrowhead Research

67 hedge funds and large institutions have $262M invested in Arrowhead Research in 2013 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 14 increasing their positions, 9 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,100% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 3

277% more capital invested

Capital invested by funds: $69.4M → $262M (+$192M)

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

97% more funds holding

Funds holding: 3467 (+33)

56% more repeat investments, than reductions

Existing positions increased: 14 | Existing positions reduced: 9

36% more call options, than puts

Call options by funds: $1.88M | Put options by funds: $1.38M

Holders
67
Holders Change
+33
Holders Change %
+97.06%
% of All Funds
1.94%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
36
Increased
14
Reduced
9
Closed
3
Calls
$1.88M
Puts
$1.38M
Net Calls
+$497K
Net Calls Change
+$114K
Name Holding Trade Value Shares
Change
Change in
Stake
AWMDMG
1
Austin W. Marxe & David M. Greenhouse
New York
$33.8M
BBA
2
Baker Bros. Advisors
New York
$33.5M -$400K -50,000 -2%
O
3
OrbiMed
New York
$23.1M +$17M +2,128,900 New
RCM
4
RA Capital Management
Massachusetts
$22.2M +$9.35M +1,169,659 +133%
QF
5
QVT Financial
New York
$21.1M +$16.4M +2,047,782 New
CCM
6
Camber Capital Management
Massachusetts
$16.3M -$7.99M -999,999 -40%
SCA
7
SAC Capital Advisors
Connecticut
$16.3M +$12M +1,500,000 New
Franklin Resources
8
Franklin Resources
California
$14.2M +$10.5M +1,311,543 New
CAM
9
Cormorant Asset Management
Massachusetts
$10.8M +$7.96M +995,500 New
Millennium Management
10
Millennium Management
New York
$9.36M +$5.6M +700,970 +433%
JP Morgan Chase
11
JP Morgan Chase
New York
$7.14M +$5.26M +657,732 New
Vanguard Group
12
Vanguard Group
Pennsylvania
$6.44M +$1.12M +140,632 +31%
VAM
13
Visium Asset Management
New York
$5.82M +$4.29M +536,032 New
SCM
14
Sigma Capital Management
Connecticut
$5.42M +$4M +500,000 New
BIT
15
BlackRock Institutional Trust
California
$4.96M +$1.16M +145,128 +46%
PCA
16
Private Capital Advisors
Connecticut
$4.09M +$3.01M +377,017 New
EI
17
EAM Investors
California
$3.12M +$2.3M +287,428 New
RCI
18
Ridgeback Capital Investments
Florida
$3.03M +$2.23M +279,361 New
GTC
19
Ghost Tree Capital
New York
$2.98M +$2.2M +275,000 New
DCM
20
Driehaus Capital Management
Illinois
$1.86M +$1.37M +171,657 New
DM
21
Deerfield Management
New York
$1.54M +$1.14M +142,017 New
SC
22
Sophrosyne Capital
New York
$1.53M -$1.23M -153,725 -52%
Morgan Stanley
23
Morgan Stanley
New York
$1.44M +$956K +119,570 +904%
WMSA
24
Weiss Multi-Strategy Advisers
New York
$1.19M -$160K -20,000 -15%
BFA
25
BlackRock Fund Advisors
California
$966K +$29.8K +3,730 +4%

ARWR Hedge Fund Activity: Q4 2013 in Review

67 of the 3,445 institutional investors tracked by Wall St. Rank reported a position in Arrowhead Research (ARWR) for Q4 2013, worth a combined $262M — up 277% from $69.4M a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new ARWR positions and 3 closed out — a net gain of 33 holders — while 14 added to existing stakes and 9 trimmed.

The largest buyer was OrbiMed, opening a new position worth an estimated $17M. The largest seller was Camber Capital Management, cutting an estimated $7.99M.

  • 67 institutional investors held Arrowhead Research (ARWR) as of Q4 2013, up from 34 in Q3 2013.
  • Funds reported $262M of Arrowhead Research stock for Q4 2013, up 277% quarter-over-quarter.
  • 36 funds opened new Arrowhead Research positions in Q4 2013 and 3 closed out, a net change of +33 holders.
  • The largest Arrowhead Research buyer in Q4 2013 was OrbiMed, an estimated $17M added.
  • The largest Arrowhead Research seller in Q4 2013 was Camber Capital Management, an estimated $7.99M sold.

Based on aggregated 13F filings for Q4 2013.