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Prothena Corp
PRTA

Overview Fund Activity

192 hedge funds and large institutions have $2.91B invested in Prothena Corp in 2021 Q3 according to their latest regulatory filings, with 50 funds opening new positions, 57 increasing their positions, 49 reducing their positions, and 13 closing their positions.

Holders
192
Holders Change
+36
Holders Change %
+23.08%
% of All Funds
3.37%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.09%
New
50
Increased
57
Reduced
49
Closed
13
Calls
$18.1M
Puts
$11.4M
Net Calls
+$6.73M
Net Calls Change
-$1.25M

Top Buyers

1
BC
1
Boxer Capital
California
$21.4M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$432M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$61.9M
4
State Street
4
State Street
Massachusetts
$100M
5
SG Americas Securities
5
SG Americas Securities
New York
$8.27M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$103M
2
RG
2
Redmile Group
California
$64.2M
3
RSCM
3
Rock Springs Capital Management
Maryland
$50.6M
4
APM
4
Avidity Partners Management
Texas
$0
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$189M
Name Holding Trade Value Shares
Change 		Shares
Change %
Edgewood Management
76
Edgewood Management
Connecticut
$1.78M – – –
AC
77
Apogem Capital
New York
$1.77M -$517K -7,255 -23%
Ensign Peak Advisors
78
Ensign Peak Advisors
Utah
$1.58M +$323K +4,534 +26%
Bank of Montreal
79
Bank of Montreal
Ontario, Canada
$1.56M +$1.56M +21,525 New
AR
80
Advisory Research
Illinois
$1.4M +$1.4M +19,684 New
ADIM
81
Alpha DNA Investment Management
Maryland
$1.38M +$1.38M +19,389 New
AIG
82
American International Group
New York
$1.36M +$1.64K +23 +0.1%
GAM
83
Gotham Asset Management
New York
$1.29M +$914K +12,836 +241%
Barclays
84
Barclays
United Kingdom
$1.28M +$689K +9,676 +116%
BA
85
Bellwether Advisors
Nebraska
$1.27M +$1.27M +17,846 New
Los Angeles Capital Management
86
Los Angeles Capital Management
California
$1.26M -$1.2M -16,850 -49%
Manulife (Manufacturers Life Insurance)
87
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.23M -$97.7K -1,371 -7%
Robeco Institutional Asset Management
88
Robeco Institutional Asset Management
Netherlands
$1.21M +$1.21M +16,960 New
State Board of Administration of Florida Retirement System
89
State Board of Administration of Florida Retirement System
Florida
$1.16M +$12.8K +180 +1%
SEC
90
Seven Eight Capital
New York
$1.05M +$1.05M +14,800 New
JPMorgan Chase & Co
91
JPMorgan Chase & Co
New York
$1.02M -$74.2K -1,042 -7%
Jennison Associates
92
Jennison Associates
New York
$1.02M +$1.02M +14,271 New
ProShare Advisors
93
ProShare Advisors
Maryland
$1M -$191K -2,684 -16%
Legal & General Group
94
Legal & General Group
United Kingdom
$1M +$434K +6,095 +76%
VOYA Investment Management
95
VOYA Investment Management
Georgia
$980K +$20.1K +282 +2%
SO
96
STRS Ohio
Ohio
$975K +$897K +12,600 +1,145%
AQR Capital Management
97
AQR Capital Management
Connecticut
$951K +$601K +8,429 +171%
Royal Bank of Canada
98
Royal Bank of Canada
Ontario, Canada
$928K -$3.14M -44,090 -77%
Jane Street
99
Jane Street
New York
$922K +$922K +12,949 New
MIM
100
MetLife Investment Management
New Jersey
$898K – – –
2 3
4
5 6