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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
3.63%
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
Name Holding Trade Value Shares
Change
Change in
Stake
VOYA Investment Management
26
VOYA Investment Management
Georgia
$13M -$804K -15,308 -6%
HRCM
27
Hood River Capital Management
Florida
$10.5M +$481K +9,147 +5%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$9.59M +$546K +10,397 +6%
O
29
OppenheimerFunds
New York
$9.4M +$41K +780 +0.5%
Charles Schwab
30
Charles Schwab
California
$8.58M +$876K +16,665 +12%
Axa
31
Axa
France
$8.48M -$242K -4,613 -3%
CS
32
Credit Suisse
Switzerland
$8.24M +$1.04M +19,789 +15%
SAM
33
Sectoral Asset Management
Quebec, Canada
$7.87M +$914K +17,400 +14%
EAM
34
Eventide Asset Management
Massachusetts
$6.7M
AAMU
35
Amundi Asset Management US
Massachusetts
$6.47M -$25.8K -492 -0.4%
TCIM
36
TIAA CREF Investment Management
New York
$6.21M -$315K -5,992 -5%
GTC
37
Ghost Tree Capital
New York
$5.58M +$5.25M +100,000 New
ERSOT
38
Employees Retirement System of Texas
Texas
$5.08M -$788K -15,000 -14%
HCMT
39
Highland Capital Management (Texas)
Texas
$5.07M +$4.78M +90,943 New
JP Morgan Chase
40
JP Morgan Chase
New York
$5.03M -$75K -1,427 -2%
OM
41
Opaleye Management
Massachusetts
$4.86M +$242K +4,600 +6%
Morgan Stanley
42
Morgan Stanley
New York
$4.63M -$2.97M -56,543 -41%
Deutsche Bank
43
Deutsche Bank
Germany
$4.53M +$64.6K +1,230 +2%
HIM
44
Hillhouse Investment Management
Cayman Islands
$4.18M
TA
45
Teachers Advisors
New York
$3.93M -$109K -2,082 -3%
California State Teachers Retirement System (CalSTRS)
46
California State Teachers Retirement System (CalSTRS)
California
$3.82M -$168K -3,200 -4%
GC
47
Guggenheim Capital
Illinois
$3.56M +$102K +1,949 +3%
Swiss National Bank
48
Swiss National Bank
Switzerland
$3.48M +$778K +14,800 +31%
PIM
49
Platinum Investment Management
Australia
$3.42M +$1.04M +19,800 +48%
California Public Employees Retirement System
50
California Public Employees Retirement System
California
$3.25M -$137K -2,600 -4%

PRTA Hedge Fund Activity: Q1 2017 in Review

146 of the 4,017 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.