We are live on ! Find out more
PRTA icon

Prothena Corp

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: 12 (+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: 144146 (+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
Name Holding Trade Value Shares
Change
Change in
Stake
WIM
1
Woodford Investment Management
United Kingdom
$617M -$161K -3,000 -0%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$309M +$633K +11,800 +0.2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$202M +$1.19M +22,167 +0.7%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$181M -$8.75M -163,182 -5%
BFA
5
BlackRock Fund Advisors
California
$80.2M +$3.82M +71,287 +6%
Capital World Investors
6
Capital World Investors
California
$79.3M
State Street
7
State Street
Massachusetts
$64.3M +$7.48M +139,364 +15%
PAI
8
Palo Alto Investors
California
$56M +$7.82M +145,837 +18%
BIT
9
BlackRock Institutional Trust
California
$52.5M +$1.44M +26,842 +3%
AllianceBernstein
10
AllianceBernstein
Tennessee
$46.8M +$21M +390,698 +100%
RG
11
Redmile Group
California
$42.1M +$11.5M +214,253 +44%
Vanguard Group
12
Vanguard Group
Pennsylvania
$35.5M +$433K +8,073 +1%
PA
13
Pinnacle Associates
New York
$25.8M -$348K -6,495 -1%
Jennison Associates
14
Jennison Associates
New York
$24.5M -$119K -2,210 -0.5%
Northern Trust
15
Northern Trust
Illinois
$23.6M -$82.5K -1,538 -0.4%
Wells Fargo
16
Wells Fargo
California
$22.4M -$830K -15,475 -4%
Norges Bank
17
Norges Bank
Norway
$21.3M +$2.23M +41,500 +13%
BB
18
BB Biotech
Switzerland
$21M
PC
19
PointState Capital
New York
$21M +$18.8M +350,000 New
ORI
20
Oak Ridge Investments
Illinois
$20.1M -$1.55M -28,803 -8%
RSCM
21
Rock Springs Capital Management
Maryland
$18.5M
Westfield Capital Management
22
Westfield Capital Management
Massachusetts
$16.6M +$2.11M +39,270 +17%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$16M +$331K +6,174 +2%
Invesco
24
Invesco
Georgia
$15.7M -$180K -3,347 -1%
O
25
OppenheimerFunds
New York
$10.1M +$49.9K +930 +0.6%

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.