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Prothena Corp

145 hedge funds and large institutions have $1.86B invested in Prothena Corp in 2016 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 40 increasing their positions, 49 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

109.84% more ownership

Funds ownership: 0%109.84% (+110%)

43% more call options, than puts

Call options by funds: $7.06M | Put options by funds: $4.94M

11% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 18

1% less funds holding

Funds holding: 146145 (-1)

16% less capital invested

Capital invested by funds: $2.22B → $1.86B (-$360M)

18% less repeat investments, than reductions

Existing positions increased: 40 | Existing positions reduced: 49

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
145
Holders Change
-1
Holders Change %
-0.68%
% of All Funds
3.63%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
20
Increased
40
Reduced
49
Closed
18
Calls
$7.06M
Puts
$4.94M
Net Calls
+$2.12M
Net Calls Change
+$20.3M
Name Holding Trade Value Shares
Change
Change in
Stake
First Manhattan
51
First Manhattan
New York
$2.46M +$2.76M +50,000 New
NFA
52
Nationwide Fund Advisors
Ohio
$2.46M -$61.2K -1,109 -2%
UBS Group
53
UBS Group
Switzerland
$2.37M +$1.63M +29,562 +159%
Swiss National Bank
54
Swiss National Bank
Switzerland
$2.34M
IBT
55
International Biotechnology Trust
United Kingdom
$2.07M +$2.32M +42,000 New
PIM
56
Platinum Investment Management
Australia
$2.05M -$193K -3,500 -8%
BG
57
Bellevue Group
Switzerland
$2.02M
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
$1.99M +$104K +1,884 +5%
Susquehanna International Group
59
Susquehanna International Group
Pennsylvania
$1.97M +$2.21M +40,027 New
American Century Companies
60
American Century Companies
Missouri
$1.91M -$228K -4,137 -10%
New York State Common Retirement Fund
61
New York State Common Retirement Fund
New York
$1.82M
AQR Capital Management
62
AQR Capital Management
Connecticut
$1.79M -$33.7K -611 -2%
Thrivent Financial for Lutherans
63
Thrivent Financial for Lutherans
Minnesota
$1.58M
PI
64
Putnam Investments
Massachusetts
$1.58M -$910K -16,496 -34%
ProShare Advisors
65
ProShare Advisors
Maryland
$1.4M +$155K +2,803 +11%
PPA
66
Parametric Portfolio Associates
Washington
$1.33M +$811K +14,703 +120%
Royal Bank of Canada
67
Royal Bank of Canada
Ontario, Canada
$1.29M -$2.11M -38,243 -59%
N
68
Nuveen
North Carolina
$1.2M +$5.96K +108 +0.4%
DekaBank Deutsche Girozentrale
69
DekaBank Deutsche Girozentrale
Germany
$1.17M +$356K +6,450 +37%
Manulife (Manufacturers Life Insurance)
70
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.11M +$2.37K +43 +0.2%
BG
71
BlackRock Group
United Kingdom
$1.04M +$72.9K +1,321 +7%
Citadel Advisors
72
Citadel Advisors
Florida
$1.02M -$2.29M -41,432 -67%
AIG
73
American International Group
New York
$982K -$2.87K -52 -0.3%
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$957K
Handelsbanken Fonder
75
Handelsbanken Fonder
Sweden
$935K +$1.05M +19,000 New

PRTA Hedge Fund Activity: Q4 2016 in Review

145 of the 4,000 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2016, worth a combined $1.86B — down 16% from $2.22B a quarter earlier.

Buyers outnumbered sellers: 20 funds opened new PRTA positions and 18 closed out — a net gain of 2 holders — while 40 added to existing stakes and 49 trimmed.

The largest buyer was Loomis, Sayles & Company, opening a new position worth an estimated $10.8M. The largest seller was PointState Capital, exiting entirely with an estimated $21M sold.

  • 145 institutional investors held Prothena Corp (PRTA) as of Q4 2016, down from 146 in Q3 2016.
  • Funds reported $1.86B of Prothena Corp stock for Q4 2016, down 16% quarter-over-quarter.
  • 20 funds opened new Prothena Corp positions in Q4 2016 and 18 closed out, a net change of +2 holders.
  • The largest Prothena Corp buyer in Q4 2016 was Loomis, Sayles & Company, an estimated $10.8M added.
  • The largest Prothena Corp seller in Q4 2016 was PointState Capital, an estimated $21M sold.

Based on aggregated 13F filings for Q4 2016.