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Prothena Corp
PRTA

146 hedge funds and large institutions have $2.22B invested in Prothena Corp in 2016 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 48 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: 1 → 2 (+1)

76% more capital invested

Capital invested by funds: $1.26B → $2.22B (+$963M)

31% more first-time investments, than exits

New positions opened: 17 | Existing positions closed: 13

1% more funds holding

Funds holding: 144 → 146 (+2)

9% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 44

70% less call options, than puts

Call options by funds: $7.62M | Put options by funds: $25.8M

Holders
146
Holders Change
+2
Holders Change %
+1.39%
% of All Funds
3.9%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
17
Increased
48
Reduced
44
Closed
13
Calls
$7.62M
Puts
$25.8M
Net Calls
-$18.2M
Net Calls Change
-$16.3M

Top Buyers

1
AllianceBernstein
AllianceBernstein
Tennessee
+$21M
2
PC
PointState Capital
New York
+$18.8M
3
RG
Redmile Group
California
+$11.5M
4
PAI
Palo Alto Investors
California
+$7.82M
5
State Street
State Street
Massachusetts
+$7.48M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$8.75M
2
SAM
Sectoral Asset Management
Quebec, Canada
-$2.73M
3
PI
Putnam Investments
Massachusetts
-$2.01M
4
Prudential Financial
Prudential Financial
New Jersey
-$1.65M
5
Axa
Axa
France
-$1.62M
Name Holding Trade Value Shares
Change 		Change in
Stake
Swiss National Bank
51
Swiss National Bank
Switzerland
$2.85M -$129K -2,400 -5%
PIM
52
Platinum Investment Management
Australia
$2.7M +$274K +5,100 +13%
American Century Companies
53
American Century Companies
Missouri
$2.58M -$279K -5,207 -11%
BG
54
Bellevue Group
Switzerland
$2.46M +$537K +10,000 +32%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$2.31M +$127K +2,370 +7%
Morgan Stanley
56
Morgan Stanley
New York
$2.23M -$76.5K -1,426 -4%
New York State Common Retirement Fund
57
New York State Common Retirement Fund
New York
$2.23M +$145K +2,700 +8%
AQR Capital Management
58
AQR Capital Management
Connecticut
$2.22M +$1.06M +19,741 +114%
Prudential Financial
59
Prudential Financial
New Jersey
$2.16M -$1.65M -30,810 -46%
Group One Trading
60
Group One Trading
Illinois
$1.93M +$1.25M +23,248 +259%
Thrivent Financial for Lutherans
61
Thrivent Financial for Lutherans
Minnesota
$1.93M – – –
Allianz Asset Management
62
Allianz Asset Management
Germany
$1.88M -$2.95K -55 -0.2%
ProShare Advisors
63
ProShare Advisors
Maryland
$1.53M -$228K -4,255 -14%
N
64
Nuveen
North Carolina
$1.45M -$80.2K -1,495 -6%
Manulife (Manufacturers Life Insurance)
65
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.35M +$1.99K +37 +0.2%
AIG
66
American International Group
New York
$1.2M +$1.61K +30 +0.2%
BG
67
BlackRock Group
United Kingdom
$1.19M +$50.2K +935 +5%
State Board of Administration of Florida Retirement System
68
State Board of Administration of Florida Retirement System
Florida
$1.17M +$7.51K +140 +0.7%
UBS Group
69
UBS Group
Switzerland
$1.11M -$763K -14,225 -43%
CG
70
Cutler Group
California
$1.09M -$150K -2,799 -13%
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$1.02M – – –
Neuberger Berman Group
72
Neuberger Berman Group
New York
$930K +$832K +15,500 New
DCM
73
Dupont Capital Management
Delaware
$868K – – –
Fisher Asset Management
74
Fisher Asset Management
Washington
$831K -$278K -5,184 -27%
SAMC
75
Shinko Asset Management Company
Japan
$831K -$278K -5,184 -27%
1 2
3
4 5

PRTA Hedge Fund Activity: Q3 2016 in Review

146 of the 3,748 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2016, worth a combined $2.22B — up 76% from $1.26B a quarter earlier.

Buyers outnumbered sellers: 17 funds opened new PRTA positions and 13 closed out — a net gain of 4 holders — while 48 added to existing stakes and 44 trimmed.

The largest buyer was AllianceBernstein, adding an estimated $21M. The largest seller was Wellington Management Group, cutting an estimated $8.75M.

  • 146 institutional investors held Prothena Corp (PRTA) as of Q3 2016, up from 144 in Q2 2016.
  • Funds reported $2.22B of Prothena Corp stock for Q3 2016, up 76% quarter-over-quarter.
  • 17 funds opened new Prothena Corp positions in Q3 2016 and 13 closed out, a net change of +4 holders.
  • The largest Prothena Corp buyer in Q3 2016 was AllianceBernstein, an estimated $21M added.
  • The largest Prothena Corp seller in Q3 2016 was Wellington Management Group, an estimated $8.75M sold.

Based on aggregated 13F filings for Q3 2016.