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Prothena Corp

145 hedge funds and large institutions have $2.3B invested in Prothena Corp in 2017 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 54 increasing their positions, 34 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

59% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 34

1% less funds holding

Funds holding: 146145 (-1)

1% less capital invested

Capital invested by funds: $2.32B → $2.3B (-$18.6M)

6% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 18

6.53% less ownership

Funds ownership: 118.37%111.84% (-6.5%)

17% less call options, than puts

Call options by funds: $9.05M | Put options by funds: $10.9M

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
145
Holders Change
-1
Holders Change %
-0.68%
% of All Funds
3.62%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
17
Increased
54
Reduced
34
Closed
18
Calls
$9.05M
Puts
$10.9M
Net Calls
-$1.8M
Net Calls Change
+$702K
Name Holding Trade Value Shares
Change
Change in
Stake
Citadel Advisors
26
Citadel Advisors
Florida
$13.2M -$2.18M -40,855 -14%
VOYA Investment Management
27
VOYA Investment Management
Georgia
$13.1M +$499K +9,374 +4%
HRCM
28
Hood River Capital Management
Florida
$10.5M +$274K +5,138 +3%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$10M +$719K +13,492 +8%
O
30
OppenheimerFunds
New York
$9.12M -$2.88K -54 -0%
Charles Schwab
31
Charles Schwab
California
$8.86M +$523K +9,824 +6%
SAM
32
Sectoral Asset Management
Quebec, Canada
$8.18M +$533K +10,000 +7%
Axa
33
Axa
France
$7.93M -$291K -5,452 -4%
CS
34
Credit Suisse
Switzerland
$6.76M -$1.22M -22,824 -15%
Deutsche Bank
35
Deutsche Bank
Germany
$6.58M +$2.14M +40,195 +49%
TCIM
36
TIAA CREF Investment Management
New York
$6.53M +$491K +9,217 +8%
EAM
37
Eventide Asset Management
Massachusetts
$6.49M
AC
38
Ascend Capital
California
$5.76M +$5.67M +106,400 New
JP Morgan Chase
39
JP Morgan Chase
New York
$5.46M +$577K +10,822 +12%
ERSOT
40
Employees Retirement System of Texas
Texas
$4.92M
OM
41
Opaleye Management
Massachusetts
$4.6M -$112K -2,100 -2%
HIM
42
Hillhouse Investment Management
Cayman Islands
$4.06M
TA
43
Teachers Advisors
New York
$3.78M -$38.4K -720 -1%
Morgan Stanley
44
Morgan Stanley
New York
$3.71M -$769K -14,439 -17%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$3.68M -$19.4K -364 -0.5%
PIM
46
Platinum Investment Management
Australia
$3.6M +$272K +5,100 +8%
Swiss National Bank
47
Swiss National Bank
Switzerland
$3.37M
California Public Employees Retirement System
48
California Public Employees Retirement System
California
$3.23M +$69.3K +1,300 +2%
AAMU
49
Amundi Asset Management US
Massachusetts
$3.14M -$3.08M -57,888 -50%
GC
50
Guggenheim Capital
Illinois
$3.07M -$367K -6,893 -11%

PRTA Hedge Fund Activity: Q2 2017 in Review

145 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2017, worth a combined $2.3B — down 0.8% from $2.32B a quarter earlier.

Sellers outnumbered buyers: 18 funds closed out of PRTA and 17 opened new positions — a net loss of 1 holder — while 34 trimmed existing stakes and 54 added.

The largest buyer was Westfield Capital Management, adding an estimated $23.7M. The largest seller was Redmile Group, cutting an estimated $18.1M.

  • 145 institutional investors held Prothena Corp (PRTA) as of Q2 2017, down from 146 in Q1 2017.
  • Funds reported $2.3B of Prothena Corp stock for Q2 2017, down 0.8% quarter-over-quarter.
  • 17 funds opened new Prothena Corp positions in Q2 2017 and 18 closed out, a net change of -1 holder.
  • The largest Prothena Corp buyer in Q2 2017 was Westfield Capital Management, an estimated $23.7M added.
  • The largest Prothena Corp seller in Q2 2017 was Redmile Group, an estimated $18.1M sold.

Based on aggregated 13F filings for Q2 2017.