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Prothena Corp
PRTA

Overview Fund Activity

139 hedge funds and large institutions have $394M invested in Prothena Corp in 2020 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 36 increasing their positions, 44 reducing their positions, and 11 closing their positions.

Holders
139
Holders Change
+10
Holders Change %
+7.75%
% of All Funds
2.86%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
21
Increased
36
Reduced
44
Closed
11
Calls
$321K
Puts
$1.92M
Net Calls
-$1.6M
Net Calls Change
-$3.56M

Top Buyers

1
SCM
1
Soleus Capital Management
Connecticut
$7.06M
2
O
2
OrbiMed
New York
$37.1M
3
RSCM
3
Rock Springs Capital Management
Maryland
$10.3M
4
State Street
4
State Street
Massachusetts
$15M
5
Renaissance Technologies
5
Renaissance Technologies
New York
$4.06M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$20.5M
2
Citadel Advisors
2
Citadel Advisors
Florida
$2.05M
3
BlackRock
3
BlackRock
New York
$31.8M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$2.78M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$1.67M
Name Holding Trade Value Shares
Change 		Shares
Change %
Bessemer Group
51
Bessemer Group
New Jersey
$636K +$635K +60,700 +96,349%
Swiss National Bank
52
Swiss National Bank
Switzerland
$606K -$204K -19,500 -25%
AllianceBernstein
53
AllianceBernstein
Tennessee
$576K +$33.5K +3,200 +6%
TI
54
Trexquant Investment
Connecticut
$566K +$566K +54,141 New
CS
55
Credit Suisse
Switzerland
$555K +$276K +26,352 +99%
Ameriprise
56
Ameriprise
Minnesota
$490K -$1.2K -115 -0.2%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$485K -$150K -14,333 -24%
RC
58
RBF Capital
California
$474K – – –
Jane Street
59
Jane Street
New York
$470K +$470K +44,900 New
Susquehanna International Group
60
Susquehanna International Group
Pennsylvania
$466K +$294K +28,078 +171%
Wells Fargo
61
Wells Fargo
California
$461K +$87K +8,320 +23%
Arrowstreet Capital
62
Arrowstreet Capital
Massachusetts
$442K +$442K +42,255 New
Los Angeles Capital Management
63
Los Angeles Capital Management
California
$427K +$221K +21,085 +107%
PP
64
PDT Partners
New York
$408K +$183K +17,500 +81%
CCIA
65
Campbell & Co Investment Adviser
Maryland
$388K +$388K +37,046 New
VEA
66
Virtus ETF Advisers
New York
$379K +$379K +36,223 New
UBS AM
67
UBS AM
Illinois
$378K -$65.5K -6,258 -15%
Invesco
68
Invesco
Georgia
$363K +$44.9K +4,292 +14%
Bank of America
69
Bank of America
North Carolina
$328K +$129K +12,355 +65%
Barclays
70
Barclays
United Kingdom
$294K -$96.9K -9,282 -25%
AG
71
Aperio Group
California
$293K +$9.62K +921 +3%
New York State Common Retirement Fund
72
New York State Common Retirement Fund
New York
$290K -$107K -10,200 -27%
SFM
73
Systematic Financial Management
New Jersey
$263K +$39.1K +3,730 +17%
Adage Capital Partners
74
Adage Capital Partners
Massachusetts
$262K +$262K +25,000 New
PP
75
Paloma Partners
Connecticut
$239K +$239K +22,869 New
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3
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