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Prothena Corp
PRTA

Overview Fund Activity

145 hedge funds and large institutions have $1.86B invested in Prothena Corp in 2016 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 40 increasing their positions, 49 reducing their positions, and 18 closing their positions.

Holders
145
Holders Change
-1
Holders Change %
-0.68%
% of All Funds
3.63%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
20
Increased
40
Reduced
49
Closed
18
Calls
$7.06M
Puts
$4.94M
Net Calls
+$2.12M
Net Calls Change
+$20.3M

Top Buyers

1
Loomis, Sayles & Company
1
Loomis, Sayles & Company
Massachusetts
$9.64M
2
BFA
2
BlackRock Fund Advisors
California
$74.5M
3
ORI
3
Oak Ridge Investments
Illinois
$23.7M
4
Morgan Stanley
4
Morgan Stanley
New York
$6.87M
5
Citigroup
5
Citigroup
New York
$4.66M

Top Sellers

1
PC
1
PointState Capital
New York
$0
2
TI
2
Turner Investments
Pennsylvania
$798K
3
BA
3
BlackRock Advisors
Delaware
$4.06M
4
RG
4
Redmile Group
California
$32.2M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$163M
Name Market Value Shares Shares
Change 		Shares
Change %
WIM
1
Woodford Investment Management
United Kingdom
$507M 10,310,511 +8,760 +0.1%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$254M 5,173,264 +13,883 +0.3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$163M 3,315,177 -45,373 -1%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$149M 3,019,033 +6,117 +0.2%
BFA
5
BlackRock Fund Advisors
California
$74.5M 1,515,241 +178,097 +13%
Capital World Investors
6
Capital World Investors
California
$65.1M 1,323,114 – –
State Street
7
State Street
Massachusetts
$53.4M 1,085,411 +13,694 +1%
PAI
8
Palo Alto Investors
California
$48.9M 993,855 +59,400 +6%
BIT
9
BlackRock Institutional Trust
California
$42.9M 872,281 -3,486 -0.4%
AllianceBernstein
10
AllianceBernstein
Tennessee
$40.5M 823,315 +42,672 +5%
RG
11
Redmile Group
California
$32.2M 653,725 -47,934 -7%
Vanguard Group
12
Vanguard Group
Pennsylvania
$29.6M 602,227 +10,348 +2%
ORI
13
Oak Ridge Investments
Illinois
$23.7M 481,027 +145,580 +43%
Jennison Associates
14
Jennison Associates
New York
$20.1M 409,582 +1,675 +0.4%
PA
15
Pinnacle Associates
New York
$20M 405,972 -23,950 -6%
Northern Trust
16
Northern Trust
Illinois
$19.5M 395,428 +2,616 +0.7%
Wells Fargo
17
Wells Fargo
California
$18.3M 371,810 -1,910 -0.5%
Norges Bank
18
Norges Bank
Norway
$18.3M 371,553 – –
BB
19
BB Biotech
Switzerland
$17.2M 350,000 – –
Westfield Capital Management
20
Westfield Capital Management
Massachusetts
$16.1M 328,275 +51,125 +18%
RSCM
21
Rock Springs Capital Management
Maryland
$15.2M 309,500 +1,500 +0.5%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$13.8M 281,338 +15,099 +6%
Invesco
23
Invesco
Georgia
$12.9M 262,244 -27 -0%
VOYA Investment Management
24
VOYA Investment Management
Georgia
$12.2M 247,481 -12,712 -5%
Loomis, Sayles & Company
25
Loomis, Sayles & Company
Massachusetts
$9.64M 195,970 +195,970 New
1
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