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Prothena Corp

146 hedge funds and large institutions have $2.32B invested in Prothena Corp in 2017 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 45 increasing their positions, 44 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

62% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 13

24% more capital invested

Capital invested by funds: $1.86B → $2.32B (+$456M)

8.53% more ownership

Funds ownership: 109.84%118.37% (+8.5%)

2% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 44

1% more funds holding

Funds holding: 145146 (+1)

18% less call options, than puts

Call options by funds: $11.7M | Put options by funds: $14.2M

Holders
146
Holders Change
+1
Holders Change %
+0.69%
% of All Funds
3.62%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
21
Increased
45
Reduced
44
Closed
13
Calls
$11.7M
Puts
$14.2M
Net Calls
-$2.5M
Net Calls Change
-$4.62M

PRTA Hedge Fund Activity: Q1 2017 in Review

146 of the 4,034 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2017, worth a combined $2.32B — up 24% from $1.86B a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new PRTA positions and 13 closed out — a net gain of 8 holders — while 45 added to existing stakes and 44 trimmed.

The largest buyer was BlackRock, adding an estimated $143M. The largest seller was Westfield Capital Management, cutting an estimated $4.68M.

  • 146 institutional investors held Prothena Corp (PRTA) as of Q1 2017, up from 145 in Q4 2016.
  • Funds reported $2.32B of Prothena Corp stock for Q1 2017, up 24% quarter-over-quarter.
  • 21 funds opened new Prothena Corp positions in Q1 2017 and 13 closed out, a net change of +8 holders.
  • The largest Prothena Corp buyer in Q1 2017 was BlackRock, an estimated $143M added.
  • The largest Prothena Corp seller in Q1 2017 was Westfield Capital Management, an estimated $4.68M sold.

Based on aggregated 13F filings for Q1 2017.