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Prothena Corp

130 hedge funds and large institutions have $533M invested in Prothena Corp in 2018 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 29 increasing their positions, 33 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

12% less repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 33

13% less capital invested

Capital invested by funds: $610M → $533M (-$77.1M)

83% less call options, than puts

Call options by funds: $3.99M | Put options by funds: $23M

Holders
130
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.99M
Puts
$23M
Net Calls
Net Calls Change

Top Buyers

1 +$9.12M
2 +$5.36M
3 +$5.3M
4
HT
HAP Trading
New York
+$2.97M
5
MWNA
Marshall Wace North America
New York
+$2.71M

Top Sellers

1 -$19.5M
2 -$9.16M
3 -$6.88M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$4.36M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$3.88M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.77M
27
$1.36M
28
$1.33M
29
$1.32M
30
$1.31M
31
$1M
32
$948K
33
$929K
34
$869K
35
$811K
36
$804K
37
$751K
38
$734K
39
$710K
40
$709K
41
$703K
42
$676K
43
$547K
44
$544K
45
$535K
46
$521K
47
$478K
48
$436K
49
$418K
50
$410K