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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
Norges Bank
51
Norges Bank
Norway
$516K -$727K -70,773 -59%
Rafferty Asset Management
52
Rafferty Asset Management
New York
$514K -$63.9K -6,225 -11%
Tudor Investment Corp
53
Tudor Investment Corp
Connecticut
$500K +$173K +16,820 +55%
CSS
54
Cubist Systematic Strategies
Connecticut
$484K +$325K +31,665 +225%
PPA
55
Parametric Portfolio Associates
Washington
$482K +$165K +16,083 +54%
Capital Fund Management (CFM)
56
Capital Fund Management (CFM)
France
$481K +$467K +45,500 New
Barclays
57
Barclays
United Kingdom
$453K +$53.8K +5,242 +14%
New York State Common Retirement Fund
58
New York State Common Retirement Fund
New York
$443K +$3.08K +300 +0.7%
MWNA
59
Marshall Wace North America
New York
$401K +$390K +37,941 New
AL
60
AJO LP
Pennsylvania
$396K +$385K +37,438 New
Invesco
61
Invesco
Georgia
$391K -$261K -25,365 -41%
Ameriprise
62
Ameriprise
Minnesota
$341K +$40K +3,890 +14%
UBS AM
63
UBS AM
Illinois
$326K +$35.9K +3,495 +13%
VEA
64
Virtus ETF Advisers
New York
$300K +$56.1K +5,461 +24%
ARTA
65
A.R.T. Advisors
New York
$290K -$59.6K -5,800 -17%
Manulife (Manufacturers Life Insurance)
66
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$273K -$5.77K -562 -2%
CS
67
Credit Suisse
Switzerland
$271K -$7.33K -714 -3%
AIG
68
American International Group
New York
$270K -$606 -59 -0.2%
DekaBank Deutsche Girozentrale
69
DekaBank Deutsche Girozentrale
Germany
$255K +$101K +9,850 +64%
Wells Fargo
70
Wells Fargo
California
$252K +$7.9K +769 +3%
State Board of Administration of Florida Retirement System
71
State Board of Administration of Florida Retirement System
Florida
$241K +$6.88K +670 +3%
CCIA
72
Campbell & Co Investment Adviser
Maryland
$215K +$208K +20,300 New
UBS Group
73
UBS Group
Switzerland
$211K +$162K +15,787 +372%
DTL
74
Dynamic Technology Lab
Singapore
$208K +$202K +19,656 New
Connor, Clark & Lunn Investment Management (CC&L)
75
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$205K +$199K +19,350 New

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.