We are live on ! Find out more
PRTA icon

Prothena Corp

145 hedge funds and large institutions have $2.3B invested in Prothena Corp in 2017 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 54 increasing their positions, 34 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

59% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 34

1% less funds holding

Funds holding: 146145 (-1)

1% less capital invested

Capital invested by funds: $2.32B → $2.3B (-$18.6M)

6% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 18

6.53% less ownership

Funds ownership: 118.37%111.84% (-6.5%)

17% less call options, than puts

Call options by funds: $9.05M | Put options by funds: $10.9M

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
3.62%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
17
Increased
54
Reduced
34
Closed
18
Calls
$9.05M
Puts
$10.9M
Net Calls
-$1.8M
Net Calls Change
+$702K
Name Holding Trade Value Shares
Change
Change in
Stake
First Manhattan
51
First Manhattan
New York
$2.71M
Hudson Bay Capital Management
52
Hudson Bay Capital Management
Connecticut
$2.71M +$2.66M +50,000 New
NFA
53
Nationwide Fund Advisors
Ohio
$2.52M +$21.7K +407 +0.9%
RhumbLine Advisers
54
RhumbLine Advisers
Massachusetts
$2.45M +$156K +2,936 +7%
Thrivent Financial for Lutherans
55
Thrivent Financial for Lutherans
Minnesota
$2.31M +$291K +5,470 +15%
IBT
56
International Biotechnology Trust
United Kingdom
$2.27M
AQR Capital Management
57
AQR Capital Management
Connecticut
$2.26M +$291K +5,456 +15%
New York State Common Retirement Fund
58
New York State Common Retirement Fund
New York
$2.25M +$240K +4,499 +12%
BG
59
Bellevue Group
Switzerland
$2.22M
SFM
60
Sphera Funds Management
Israel
$2.17M +$2.13M +40,000 New
Russell Investments Group
61
Russell Investments Group
United Kingdom
$1.83M +$1.16M +21,846 +182%
Susquehanna International Group
62
Susquehanna International Group
Pennsylvania
$1.61M +$10.9K +205 +0.7%
Royal Bank of Canada
63
Royal Bank of Canada
Ontario, Canada
$1.58M -$231K -4,338 -13%
Manulife (Manufacturers Life Insurance)
64
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.54M +$142K +2,664 +10%
UBS Group
65
UBS Group
Switzerland
$1.53M +$105K +1,968 +7%
State of Wisconsin Investment Board
66
State of Wisconsin Investment Board
Wisconsin
$1.46M +$1.44M +27,000 New
Handelsbanken Fonder
67
Handelsbanken Fonder
Sweden
$1.35M
Citigroup
68
Citigroup
New York
$1.34M -$211K -3,966 -14%
AIG
69
American International Group
New York
$1.29M +$148K +2,782 +13%
ProShare Advisors
70
ProShare Advisors
Maryland
$1.24M +$11.5K +216 +1%
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$1.21M
Fisher Asset Management
72
Fisher Asset Management
Washington
$1.18M +$443K +8,319 +62%
American Century Companies
73
American Century Companies
Missouri
$1.11M -$119K -2,235 -10%
State Board of Administration of Florida Retirement System
74
State Board of Administration of Florida Retirement System
Florida
$1.04M -$6.98K -131 -0.7%
N
75
Nuveen
North Carolina
$1.02M -$267K -5,003 -21%

PRTA Hedge Fund Activity: Q2 2017 in Review

145 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2017, worth a combined $2.3B — down 0.8% from $2.32B a quarter earlier.

Sellers outnumbered buyers: 18 funds closed out of PRTA and 17 opened new positions — a net loss of 1 holder — while 34 trimmed existing stakes and 54 added.

The largest buyer was Westfield Capital Management, adding an estimated $23.7M. The largest seller was Redmile Group, cutting an estimated $18.1M.

  • 145 institutional investors held Prothena Corp (PRTA) as of Q2 2017, down from 146 in Q1 2017.
  • Funds reported $2.3B of Prothena Corp stock for Q2 2017, down 0.8% quarter-over-quarter.
  • 17 funds opened new Prothena Corp positions in Q2 2017 and 18 closed out, a net change of -1 holder.
  • The largest Prothena Corp buyer in Q2 2017 was Westfield Capital Management, an estimated $23.7M added.
  • The largest Prothena Corp seller in Q2 2017 was Redmile Group, an estimated $18.1M sold.

Based on aggregated 13F filings for Q2 2017.