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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
51
$396K
52
$359K
53
$351K
54
$349K
55
$349K
56
$318K
57
$309K
58
$301K
59
$294K
60
$289K
61
$277K
62
$263K
63
$248K
64
$240K
65
$240K
66
$222K
67
$211K
68
$196K
69
$191K
70
$188K
71
$178K
72
$170K
73
$142K
74
$140K
75
$136K