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Prothena Corp
PRTA

Overview Fund Activity

196 hedge funds and large institutions have $3.54B invested in Prothena Corp in 2023 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 72 increasing their positions, 58 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
196
Holders Change
+5
Holders Change %
+2.62%
% of All Funds
3.09%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.09%
New
31
Increased
72
Reduced
58
Closed
26
Calls
$19.7M
Puts
$30.9M
Net Calls
-$11.2M
Net Calls Change
-$15.4M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$540M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$243M
3
Bank of New York Mellon
3
Bank of New York Mellon
New York
$35.1M
4
Man Group
4
Man Group
United Kingdom
$11.6M
5
Amundi
5
Amundi
France
$7.48M

Top Sellers

1
APM
1
Avidity Partners Management
Texas
$36.5M
2
Bank of America
2
Bank of America
North Carolina
$10.8M
3
PM
3
Prosight Management
Texas
$8.19M
4
State Street
4
State Street
Massachusetts
$128M
5
Two Sigma Investments
5
Two Sigma Investments
New York
$11.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
GIM
26
Granahan Investment Management
Massachusetts
$20.1M +$4.26M +62,429 +27%
Two Sigma Advisers
27
Two Sigma Advisers
New York
$18.2M -$7.85M -115,000 -30%
MRCP
28
Maple Rock Capital Partners
Ontario, Canada
$16M -$4.03M -59,000 -20%
Point72 Asset Management
29
Point72 Asset Management
Connecticut
$14.9M -$7.93M -116,191 -35%
Goldman Sachs
30
Goldman Sachs
New York
$13.2M -$2.22M -32,442 -14%
PA
31
Perceptive Advisors
New York
$12.6M -$3.62M -53,031 -22%
Man Group
32
Man Group
United Kingdom
$11.6M +$11.6M +170,562 New
Two Sigma Investments
33
Two Sigma Investments
New York
$11.1M -$13.8M -202,806 -55%
UBS AM
34
UBS AM
Illinois
$11M – – –
Bank of America
35
Bank of America
North Carolina
$10.8M -$27.7M -405,579 -72%
BC
36
Birchview Capital
Vermont
$10.7M +$1.89M +27,716 +22%
Morgan Stanley
37
Morgan Stanley
New York
$10.4M -$9.03M -132,312 -46%
SAM
38
Sectoral Asset Management
Quebec, Canada
$10.4M +$1.99M +29,098 +24%
VOYA Investment Management
39
VOYA Investment Management
Georgia
$9.82M +$7.18M +105,222 +273%
Mariner
40
Mariner
Kansas
$9.22M +$1.91M +27,955 +26%
PA
41
Pinnacle Associates
New York
$8.91M -$329K -4,822 -4%
FLSM
42
Frazier Life Sciences Management
California
$8.73M – – –
Ensign Peak Advisors
43
Ensign Peak Advisors
Utah
$8.62M +$41K +600 +0.5%
PM
44
Prosight Management
Texas
$8.19M -$22.3M -327,092 -73%
Rafferty Asset Management
45
Rafferty Asset Management
New York
$8.16M -$1.51M -22,111 -16%
Axa
46
Axa
France
$7.74M +$6.44M +94,364 +498%
Connor, Clark & Lunn Investment Management (CC&L)
47
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.52M +$1.41M +20,712 +23%
Amundi
48
Amundi
France
$7.48M +$7.29M +106,070 +3,814%
Norges Bank
49
Norges Bank
Norway
$7.14M -$7.8M -114,250 -52%
AAA
50
Affinity Asset Advisors
New York
$6.83M +$6.83M +100,000 New
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