We are live on ! Find out more
PRTA icon

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
First Manhattan
51
First Manhattan
New York
$2.79M
NFA
52
Nationwide Fund Advisors
Ohio
$2.57M -$202K -3,853 -8%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$2.36M +$99.3K +1,890 +5%
IBT
54
International Biotechnology Trust
United Kingdom
$2.34M
BG
55
Bellevue Group
Switzerland
$2.29M
MIM
56
Monashee Investment Management
Massachusetts
$2.23M
Tudor Investment Corp
57
Tudor Investment Corp
Connecticut
$2.12M +$2M +38,008 New
Thrivent Financial for Lutherans
58
Thrivent Financial for Lutherans
Minnesota
$2.07M +$266K +5,070 +16%
New York State Common Retirement Fund
59
New York State Common Retirement Fund
New York
$2.07M +$53 +1 +0%
AQR Capital Management
60
AQR Capital Management
Connecticut
$2.02M -$5.57K -106 -0.3%
Royal Bank of Canada
61
Royal Bank of Canada
Ontario, Canada
$1.87M +$386K +7,345 +28%
PC
62
Polar Capital
United Kingdom
$1.67M +$1.58M +30,000 New
Susquehanna International Group
63
Susquehanna International Group
Pennsylvania
$1.65M -$550K -10,477 -26%
Citigroup
64
Citigroup
New York
$1.6M -$3.47M -66,041 -70%
PI
65
Putnam Investments
Massachusetts
$1.58M -$199K -3,785 -12%
PPA
66
Parametric Portfolio Associates
Washington
$1.49M -$10.3K -196 -0.7%
UBS Group
67
UBS Group
Switzerland
$1.47M -$1.15M -21,816 -45%
Manulife (Manufacturers Life Insurance)
68
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.45M +$170K +3,243 +14%
Handelsbanken Fonder
69
Handelsbanken Fonder
Sweden
$1.4M +$315K +6,000 +32%
N
70
Nuveen
North Carolina
$1.33M -$25K -476 -2%
American Century Companies
71
American Century Companies
Missouri
$1.27M -$840K -15,988 -41%
ProShare Advisors
72
ProShare Advisors
Maryland
$1.27M -$298K -5,670 -20%
DekaBank Deutsche Girozentrale
73
DekaBank Deutsche Girozentrale
Germany
$1.23M -$94.6K -1,800 -8%
AIG
74
American International Group
New York
$1.17M +$56K +1,066 +5%
State Board of Administration of Florida Retirement System
75
State Board of Administration of Florida Retirement System
Florida
$1.08M

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.