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Prothena Corp

144 hedge funds and large institutions have $1.26B invested in Prothena Corp in 2016 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 51 increasing their positions, 42 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

21% more repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 42

7% more first-time investments, than exits

New positions opened: 15 | Existing positions closed: 14

0% more funds holding

Funds holding: 144144 (0)

15% less capital invested

Capital invested by funds: $1.48B → $1.26B (-$220M)

26% less call options, than puts

Call options by funds: $5.25M | Put options by funds: $7.08M

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
144
Holders Change
Holders Change %
0%
% of All Funds
3.84%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
15
Increased
51
Reduced
42
Closed
14
Calls
$5.25M
Puts
$7.08M
Net Calls
-$1.83M
Net Calls Change
-$9K
Name Holding Trade Value Shares
Change
Change in
Stake
WIM
1
Woodford Investment Management
United Kingdom
$360M +$43.9M +1,008,390 +11%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$180M +$68.5K +1,572 +0%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$117M +$453K +10,400 +0.3%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$111M -$1.77M -40,587 -1%
Capital World Investors
5
Capital World Investors
California
$46.3M
BFA
6
BlackRock Fund Advisors
California
$44.3M +$738K +16,938 +1%
State Street
7
State Street
Massachusetts
$32.6M -$12.7M -292,170 -24%
BIT
8
BlackRock Institutional Trust
California
$29.7M +$97K +2,227 +0.3%
PAI
9
Palo Alto Investors
California
$27.6M +$4.05M +93,100 +13%
Vanguard Group
10
Vanguard Group
Pennsylvania
$20.4M +$685K +15,722 +3%
RG
11
Redmile Group
California
$17M +$21.2M +487,406 New
PA
12
Pinnacle Associates
New York
$15.3M -$215K -4,927 -1%
Jennison Associates
13
Jennison Associates
New York
$14.3M -$25.2K -578 -0.1%
Northern Trust
14
Northern Trust
Illinois
$13.8M +$364K +8,349 +2%
AllianceBernstein
15
AllianceBernstein
Tennessee
$13.6M -$1.18M -27,131 -7%
Wells Fargo
16
Wells Fargo
California
$13.6M -$1.2M -27,541 -7%
ORI
17
Oak Ridge Investments
Illinois
$12.7M -$319K -7,322 -2%
BB
18
BB Biotech
Switzerland
$12.2M
Norges Bank
19
Norges Bank
Norway
$11.5M
RSCM
20
Rock Springs Capital Management
Maryland
$10.8M
Invesco
21
Invesco
Georgia
$9.29M -$885K -20,321 -7%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$9.09M +$365K +8,373 +3%
Westfield Capital Management
23
Westfield Capital Management
Massachusetts
$8.32M +$8.36M +192,050 +419%
VOYA Investment Management
24
VOYA Investment Management
Georgia
$7.99M +$1.85M +42,395 +23%
Axa
25
Axa
France
$6.42M -$327K -7,509 -4%

PRTA Hedge Fund Activity: Q2 2016 in Review

144 of the 3,748 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2016, worth a combined $1.26B — down 15% from $1.48B a quarter earlier.

Buyers outnumbered sellers: 15 funds opened new PRTA positions and 14 closed out — a net gain of 1 holder — while 51 added to existing stakes and 42 trimmed.

The largest buyer was Woodford Investment Management, adding an estimated $43.9M. The largest seller was Visium Asset Management, exiting entirely with an estimated $36.7M sold.

  • 144 institutional investors held Prothena Corp (PRTA) as of Q2 2016, unchanged from Q1 2016.
  • Funds reported $1.26B of Prothena Corp stock for Q2 2016, down 15% quarter-over-quarter.
  • 15 funds opened new Prothena Corp positions in Q2 2016 and 14 closed out, a net change of +1 holder.
  • The largest Prothena Corp buyer in Q2 2016 was Woodford Investment Management, an estimated $43.9M added.
  • The largest Prothena Corp seller in Q2 2016 was Visium Asset Management, an estimated $36.7M sold.

Based on aggregated 13F filings for Q2 2016.