We are live on ! Find out more
PRTA icon

Prothena Corp

127 hedge funds and large institutions have $508M invested in Prothena Corp in 2014 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 42 increasing their positions, 38 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

39% more call options, than puts

Call options by funds: $10.3M | Put options by funds: $7.38M

11% more repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 38

4% less capital invested

Capital invested by funds: $531M → $508M (-$23.4M)

4% less funds holding

Funds holding: 132127 (-5)

19% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 21

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
127
Holders Change
-5
Holders Change %
-3.79%
% of All Funds
3.69%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
17
Increased
42
Reduced
38
Closed
21
Calls
$10.3M
Puts
$7.38M
Net Calls
+$2.89M
Net Calls Change
+$1.6M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$91M +$28.7M +1,353,098 +49%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$65.3M +$216K +10,200 +0.3%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$52.9M +$490K +23,097 +1%
Capital World Investors
4
Capital World Investors
California
$28M +$5.34M +251,735 +25%
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$25.7M +$2.05M +96,575 +9%
State Street
6
State Street
Massachusetts
$22.5M +$2.46M +116,268 +13%
BFA
7
BlackRock Fund Advisors
California
$21.2M +$3.27M +154,469 +19%
Jennison Associates
8
Jennison Associates
New York
$17.5M -$1.79M -84,615 -10%
PAI
9
Palo Alto Investors
California
$14.9M +$2.96M +139,800 +26%
Millennium Management
10
Millennium Management
New York
$14.7M -$536K -25,281 -4%
PC
11
PointState Capital
New York
$12.2M +$11.7M +550,000 New
TCIM
12
TIAA CREF Investment Management
New York
$9.17M +$220K +10,365 +3%
Vanguard Group
13
Vanguard Group
Pennsylvania
$8.91M +$956K +45,110 +13%
Northern Trust
14
Northern Trust
Illinois
$8.77M +$4.56M +215,243 +119%
BIT
15
BlackRock Institutional Trust
California
$6.94M +$597K +28,168 +10%
Adage Capital Partners
16
Adage Capital Partners
Massachusetts
$6.65M -$5.28M -249,186 -45%
PA
17
Perceptive Advisors
New York
$6.65M -$3.88M -183,162 -38%
Norges Bank
18
Norges Bank
Norway
$5.54M -$5.3M -249,946 -50%
TA
19
Teachers Advisors
New York
$5M +$757K +35,700 +19%
GC
20
Guggenheim Capital
Illinois
$4.77M -$585K -27,606 -11%
RSCM
21
Rock Springs Capital Management
Maryland
$4.49M +$1.11M +52,500 +35%
NI
22
Numeric Investors
Massachusetts
$4.29M -$1.19M -56,164 -22%
American Century Companies
23
American Century Companies
Missouri
$3.88M +$2.28M +107,571 +160%
Prudential Financial
24
Prudential Financial
New Jersey
$3.77M +$2.09M +98,800 +138%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$3.75M +$508K +23,968 +17%

PRTA Hedge Fund Activity: Q3 2014 in Review

127 of the 3,446 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2014, worth a combined $508M — down 4.4% from $531M a quarter earlier.

Sellers outnumbered buyers: 21 funds closed out of PRTA and 17 opened new positions — a net loss of 4 holders — while 38 trimmed existing stakes and 42 added.

The largest buyer was Fidelity Investments, adding an estimated $28.7M. The largest seller was Bank of America, cutting an estimated $34.8M.

  • 127 institutional investors held Prothena Corp (PRTA) as of Q3 2014, down from 132 in Q2 2014.
  • Funds reported $508M of Prothena Corp stock for Q3 2014, down 4.4% quarter-over-quarter.
  • 17 funds opened new Prothena Corp positions in Q3 2014 and 21 closed out, a net change of -4 holders.
  • The largest Prothena Corp buyer in Q3 2014 was Fidelity Investments, an estimated $28.7M added.
  • The largest Prothena Corp seller in Q3 2014 was Bank of America, an estimated $34.8M sold.

Based on aggregated 13F filings for Q3 2014.