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Prothena Corp

144 hedge funds and large institutions have $1.48B invested in Prothena Corp in 2016 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 63 increasing their positions, 34 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

85% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 34

11% less funds holding

Funds holding: 161144 (-17)

15% less call options, than puts

Call options by funds: $10.5M | Put options by funds: $12.3M

31% less capital invested

Capital invested by funds: $2.13B → $1.48B (-$651M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

43% less first-time investments, than exits

New positions opened: 20 | Existing positions closed: 35

Holders
144
Holders Change
-17
Holders Change %
-10.56%
% of All Funds
3.84%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
20
Increased
63
Reduced
34
Closed
35
Calls
$10.5M
Puts
$12.3M
Net Calls
-$1.82M
Net Calls Change
+$400K
Name Holding Trade Value Shares
Change
Change in
Stake
VOYA Investment Management
26
VOYA Investment Management
Georgia
$7.66M +$933K +23,850 +15%
TCIM
27
TIAA CREF Investment Management
New York
$6.7M +$337K +8,600 +6%
Bank of New York Mellon
28
Bank of New York Mellon
New York
$6.62M -$85.5K -2,184 -1%
CCI
29
Columbus Circle Investors
$6.2M -$2.68M -68,381 -31%
BA
30
BlackRock Advisors
Delaware
$5.35M +$3.68M +94,060 +262%
CS
31
Credit Suisse
Switzerland
$5.11M +$124K +3,164 +3%
BIM
32
BlackRock Investment Management
Delaware
$5.07M +$709K +18,116 +17%
EAM
33
Eventide Asset Management
Massachusetts
$4.94M +$595K +15,200 +15%
Charles Schwab
34
Charles Schwab
California
$4.88M +$416K +10,626 +10%
Marshall Wace
35
Marshall Wace
United Kingdom
$4.85M +$4.62M +117,937 New
O
36
OppenheimerFunds
New York
$4.43M +$4.21M +107,665 New
GC
37
Guggenheim Capital
Illinois
$4.39M +$1.45M +36,960 +53%
ERSOT
38
Employees Retirement System of Texas
Texas
$4.36M +$626K +16,000 +18%
JP Morgan Chase
39
JP Morgan Chase
New York
$3.73M +$170K +4,333 +5%
California Public Employees Retirement System
40
California Public Employees Retirement System
California
$3.39M -$368K -9,400 -10%
PI
41
Putnam Investments
Massachusetts
$3.31M +$67.2K +1,718 +2%
Royal Bank of Canada
42
Royal Bank of Canada
Ontario, Canada
$3.13M +$166K +4,251 +6%
Goldman Sachs
43
Goldman Sachs
New York
$3.13M +$700K +17,881 +31%
TA
44
Teachers Advisors
New York
$3.1M -$3.72M -95,074 -56%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$2.95M +$541K +13,814 +24%
Prudential Financial
46
Prudential Financial
New Jersey
$2.93M -$1.71M -43,800 -38%
Deutsche Bank
47
Deutsche Bank
Germany
$2.62M -$16.4M -418,204 -87%
Susquehanna International Group
48
Susquehanna International Group
Pennsylvania
$2.4M +$1.9M +48,556 +499%
Allianz Asset Management
49
Allianz Asset Management
Germany
$2.36M +$17.6K +449 +0.8%
NFA
50
Nationwide Fund Advisors
Ohio
$2.13M +$611K +15,605 +44%

PRTA Hedge Fund Activity: Q1 2016 in Review

144 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2016, worth a combined $1.48B — down 31% from $2.13B a quarter earlier.

Sellers outnumbered buyers: 35 funds closed out of PRTA and 20 opened new positions — a net loss of 15 holders — while 34 trimmed existing stakes and 63 added.

The largest buyer was Woodford Investment Management, adding an estimated $114M. The largest seller was Citadel Advisors, exiting entirely with an estimated $18.4M sold.

  • 144 institutional investors held Prothena Corp (PRTA) as of Q1 2016, down from 161 in Q4 2015.
  • Funds reported $1.48B of Prothena Corp stock for Q1 2016, down 31% quarter-over-quarter.
  • 20 funds opened new Prothena Corp positions in Q1 2016 and 35 closed out, a net change of -15 holders.
  • The largest Prothena Corp buyer in Q1 2016 was Woodford Investment Management, an estimated $114M added.
  • The largest Prothena Corp seller in Q1 2016 was Citadel Advisors, an estimated $18.4M sold.

Based on aggregated 13F filings for Q1 2016.