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Prothena Corp

138 hedge funds and large institutions have $409M invested in Prothena Corp in 2019 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 44 increasing their positions, 28 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

167% more call options, than puts

Call options by funds: $823K | Put options by funds: $308K

57% more repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 28

4% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 24

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

1% less funds holding

Funds holding: 139138 (-1)

2.18% less ownership

Funds ownership: 99.27%97.09% (-2.2%)

15% less capital invested

Capital invested by funds: $480M → $409M (-$71M)

Holders
138
Holders Change
-1
Holders Change %
-0.72%
% of All Funds
3%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
25
Increased
44
Reduced
28
Closed
24
Calls
$823K
Puts
$308K
Net Calls
+$515K
Net Calls Change
+$3.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Jacobs Levy Equity Management
26
Jacobs Levy Equity Management
New Jersey
$2.57M +$933K +90,803 +60%
Bank of America
27
Bank of America
North Carolina
$2.55M +$129K +12,582 +6%
Charles Schwab
28
Charles Schwab
California
$2.48M +$157K +15,301 +7%
PA
29
Pinnacle Associates
New York
$2.09M -$183K -17,791 -8%
OAM
30
Oxford Asset Management
United Kingdom
$2.07M +$554K +53,915 +38%
PIM
31
Platinum Investment Management
Australia
$2.01M +$289K +28,145 +17%
JP Morgan Chase
32
JP Morgan Chase
New York
$1.91M +$196K +19,084 +11%
Marshall Wace
33
Marshall Wace
United Kingdom
$1.83M +$1.78M +173,557 New
Man Group
34
Man Group
United Kingdom
$1.69M +$331K +32,192 +25%
Squarepoint
35
Squarepoint
New York
$1.56M +$1.05M +101,772 +222%
LCM
36
Laurion Capital Management
New York
$1.23M +$1.2M +116,407 New
FI
37
Fosun International
China
$1.11M +$1.13M +110,179 New
Axa
38
Axa
France
$1.09M +$780K +75,963 +277%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$967K +$755K +73,525 +409%
Swiss National Bank
40
Swiss National Bank
Switzerland
$784K +$16.4K +1,600 +2%
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$737K +$59.3K +5,778 +9%
Acadian Asset Management
42
Acadian Asset Management
Massachusetts
$697K +$142K +13,849 +27%
Citigroup
43
Citigroup
New York
$690K +$271K +26,364 +68%
Russell Investments Group
44
Russell Investments Group
United Kingdom
$671K -$158K -15,387 -20%
KA
45
Kerrisdale Advisers
Florida
$652K
California State Teachers Retirement System (CalSTRS)
46
California State Teachers Retirement System (CalSTRS)
California
$650K
PP
47
PDT Partners
New York
$590K -$31.8K -3,100 -5%
State of Wisconsin Investment Board
48
State of Wisconsin Investment Board
Wisconsin
$581K +$12.3K +1,200 +2%
California Public Employees Retirement System
49
California Public Employees Retirement System
California
$560K +$68.7K +6,691 +14%
AllianceBernstein
50
AllianceBernstein
Tennessee
$548K

PRTA Hedge Fund Activity: Q2 2019 in Review

138 of the 4,604 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2019, worth a combined $409M — down 15% from $480M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new PRTA positions and 24 closed out — a net gain of 1 holder — while 44 added to existing stakes and 28 trimmed.

The largest buyer was Great Point Partners, opening a new position worth an estimated $17.2M. The largest seller was Woodford Investment Management, cutting an estimated $32.4M.

  • 138 institutional investors held Prothena Corp (PRTA) as of Q2 2019, down from 139 in Q1 2019.
  • Funds reported $409M of Prothena Corp stock for Q2 2019, down 15% quarter-over-quarter.
  • 25 funds opened new Prothena Corp positions in Q2 2019 and 24 closed out, a net change of +1 holder.
  • The largest Prothena Corp buyer in Q2 2019 was Great Point Partners, an estimated $17.2M added.
  • The largest Prothena Corp seller in Q2 2019 was Woodford Investment Management, an estimated $32.4M sold.

Based on aggregated 13F filings for Q2 2019.