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Prothena Corp
PRTA

83 hedge funds and large institutions have $123M invested in Prothena Corp in 2013 Q2 according to their latest regulatory filings, with 83 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more call options, than puts

Call options by funds: $4K | Put options by funds: $1K

Holders
83
Holders Change
+83
Holders Change %
–
% of All Funds
2.71%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
83
Increased
–
Reduced
–
Closed
–
Calls
$4K
Puts
$1K
Net Calls
+$3K
Net Calls Change
+$3K

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$25.3M +$18.2M +1,959,000 New
Wellington Management Group
2
Wellington Management Group
Massachusetts
$22.5M +$16.2M +1,743,494 New
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$16.8M +$12.1M +1,300,000 New
Invesco
4
Invesco
Georgia
$16.3M +$11.7M +1,262,782 New
Jennison Associates
5
Jennison Associates
New York
$6.46M +$4.66M +500,575 New
RCM
6
RA Capital Management
Massachusetts
$6.43M +$4.63M +497,807 New
BBA
7
Baker Bros. Advisors
New York
$4.77M +$3.44M +369,650 New
Norges Bank
8
Norges Bank
Norway
$4.52M +$3.26M +350,012 New
BFA
9
BlackRock Fund Advisors
California
$3.94M +$2.84M +305,499 New
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$1.75M +$1.26M +135,884 New
State Street
11
State Street
Massachusetts
$1.55M +$1.12M +120,040 New
BIT
12
BlackRock Institutional Trust
California
$1.54M +$1.11M +119,704 New
Morgan Stanley
13
Morgan Stanley
New York
$1.33M +$957K +102,835 New
PAI
14
Palo Alto Investors
California
$1.14M +$823K +88,500 New
Deutsche Bank
15
Deutsche Bank
Germany
$1.06M +$763K +82,048 New
TCIM
16
TIAA CREF Investment Management
New York
$738K +$532K +57,148 New
Northern Trust
17
Northern Trust
Illinois
$691K +$497K +53,437 New
Bank of New York Mellon
18
Bank of New York Mellon
New York
$631K +$454K +48,835 New
BIM
19
BlackRock Investment Management
Delaware
$502K +$362K +38,884 New
GIM
20
Granahan Investment Management
Massachusetts
$483K +$348K +37,394 New
APG Asset Management
21
APG Asset Management
Netherlands
$381K +$274K +29,494 New
Vanguard Group
22
Vanguard Group
Pennsylvania
$365K +$263K +28,260 New
Acadian Asset Management
23
Acadian Asset Management
Massachusetts
$359K +$259K +27,834 New
Susquehanna International Group
24
Susquehanna International Group
Pennsylvania
$269K +$194K +20,827 New
California State Teachers Retirement System (CalSTRS)
25
California State Teachers Retirement System (CalSTRS)
California
$267K +$193K +20,697 New
1
2 3 4

PRTA Hedge Fund Activity: Q2 2013 in Review

83 of the 3,064 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2013, worth a combined $123M.

Buyers outnumbered sellers: 83 funds opened new PRTA positions and 0 closed out — a net gain of 83 holders — while 0 added to existing stakes and 0 trimmed.

  • 83 institutional investors held Prothena Corp (PRTA) as of Q2 2013, up from 0 in Q1 2013.
  • Funds reported $123M of Prothena Corp stock for Q2 2013.
  • 83 funds opened new Prothena Corp positions in Q2 2013 and 0 closed out, a net change of +83 holders.

Based on aggregated 13F filings for Q2 2013.