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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

31% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 16

4% more funds holding

Funds holding: 125130 (+5)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

2.92% less ownership

Funds ownership: 105.03%102.1% (-2.9%)

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
+5
Holders Change %
+4%
% of All Funds
2.97%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
21
Increased
29
Reduced
33
Closed
16
Calls
$3.99M
Puts
$23M
Net Calls
-$19M
Net Calls Change
-$22.2M
Name Holding Trade Value Shares
Change
Change in
Stake
PIM
26
Platinum Investment Management
Australia
$1.77M
Thrivent Financial for Lutherans
27
Thrivent Financial for Lutherans
Minnesota
$1.36M +$101K +6,998 +7%
JP Morgan Chase
28
JP Morgan Chase
New York
$1.33M +$1.35M +93,439 +1,145%
TCIM
29
TIAA CREF Investment Management
New York
$1.32M -$38.1K -2,639 -3%
TA
30
Teachers Advisors
New York
$1.31M +$31.2K +2,157 +2%
Citigroup
31
Citigroup
New York
$1M -$539K -37,343 -33%
Morgan Stanley
32
Morgan Stanley
New York
$948K -$3.48M -240,926 -77%
ARTA
33
A.R.T. Advisors
New York
$929K -$411K -28,441 -29%
Swiss National Bank
34
Swiss National Bank
Switzerland
$869K
Two Sigma Advisers
35
Two Sigma Advisers
New York
$811K +$702K +48,600 +363%
California State Teachers Retirement System (CalSTRS)
36
California State Teachers Retirement System (CalSTRS)
California
$804K -$58 -4 -0%
Renaissance Technologies
37
Renaissance Technologies
New York
$751K +$829K +57,400 New
AllianceBernstein
38
AllianceBernstein
Tennessee
$734K
Squarepoint
39
Squarepoint
New York
$710K +$784K +54,259 New
Walleye Trading
40
Walleye Trading
New York
$709K +$783K +54,220 New
California Public Employees Retirement System
41
California Public Employees Retirement System
California
$703K -$49.7K -3,442 -6%
Russell Investments Group
42
Russell Investments Group
United Kingdom
$676K +$284K +19,647 +61%
D.E. Shaw & Co
43
D.E. Shaw & Co
New York
$547K -$214K -14,787 -26%
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$544K
State of Wisconsin Investment Board
45
State of Wisconsin Investment Board
Wisconsin
$535K
RhumbLine Advisers
46
RhumbLine Advisers
Massachusetts
$521K +$2.17K +150 +0.4%
Group One Trading
47
Group One Trading
Illinois
$478K -$169K -11,697 -24%
Invesco
48
Invesco
Georgia
$436K -$1.94K -134 -0.4%
Barclays
49
Barclays
United Kingdom
$418K +$413K +28,624 +864%
VEA
50
Virtus ETF Advisers
New York
$410K -$332K -23,019 -42%

PRTA Hedge Fund Activity: Q3 2018 in Review

130 of the 4,374 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2018, worth a combined $533M — down 13% from $610M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new PRTA positions and 16 closed out — a net gain of 5 holders — while 29 added to existing stakes and 33 trimmed.

The largest buyer was Bank of America, adding an estimated $10.1M. The largest seller was State Street, cutting an estimated $21.5M.

  • 130 institutional investors held Prothena Corp (PRTA) as of Q3 2018, up from 125 in Q2 2018.
  • Funds reported $533M of Prothena Corp stock for Q3 2018, down 13% quarter-over-quarter.
  • 21 funds opened new Prothena Corp positions in Q3 2018 and 16 closed out, a net change of +5 holders.
  • The largest Prothena Corp buyer in Q3 2018 was Bank of America, an estimated $10.1M added.
  • The largest Prothena Corp seller in Q3 2018 was State Street, an estimated $21.5M sold.

Based on aggregated 13F filings for Q3 2018.