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Prothena Corp
PRTA

Overview Fund Activity

186 hedge funds and large institutions have $2.56B invested in Prothena Corp in 2023 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 73 increasing their positions, 51 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
186
Holders Change
-10
Holders Change %
-5.1%
% of All Funds
2.97%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.08%
New
25
Increased
73
Reduced
51
Closed
32
Calls
$9.61M
Puts
$18.1M
Net Calls
-$8.45M
Net Calls Change
+$2.75M

Top Buyers

1
BC
Boxer Capital
California
$30.2M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$184M
3
State Street
State Street
Massachusetts
$102M
4
Millennium Management
Millennium Management
New York
$12.8M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
$88.1M

Top Sellers

1
Man Group
Man Group
United Kingdom
$230K
2
APM
Avidity Partners Management
Texas
$18.4M
3
RSCM
Rock Springs Capital Management
Maryland
$29.6M
4
ACM
Atika Capital Management
New York
$0
5
EGI
EAM Global Investors
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
MLICM
151
Metropolitan Life Insurance Company (MetLife)
New York
$115K +$6.03K +125 +6%
HT
152
Headlands Technologies
Illinois
$73.9K +$73.9K +1,531 New
Nisa Investment Advisors
153
Nisa Investment Advisors
Missouri
$72.9K +$965 +20 +1%
TRCT
154
Tower Research Capital (TRC)
New York
$67.5K -$54.9K -1,137 -45%
CUAMC
155
China Universal Asset Management Company
China
$66.3K +$33K +684 +99%
VEA
156
Virtus ETF Advisers
New York
$66.2K -$6.8K -141 -9%
KBC Group
157
KBC Group
Belgium
$45K +$45K +930 New
PNC Financial Services Group
158
PNC Financial Services Group
Pennsylvania
$20.4K – – –
S
159
SignatureFD
Georgia
$14.2K -$290 -6 -2%
BAM
160
Byrne Asset Management
New Jersey
$14K +$1K +20 +8%
ADL
161
Asset Dedication LLC
California
$9K – – –
Daiwa Securities Group
162
Daiwa Securities Group
Japan
$9K – – –
KFS
163
Kelly Financial Services
Massachusetts
$8.78K – – –
SN
164
Sittner & Nelson
Oregon
$7.48K – – –
FWM
165
Focused Wealth Management
New York
$6.22K – – –
AFG
166
Albion Financial Group
Utah
$6.03K – – –
TC
167
Truvestments Capital
Florida
$5.21K – – –
HIA
168
Harbor Investment Advisory
Maryland
$4.83K – – –
GC
169
Gould Capital
Washington
$4.66K – – –
Carson Wealth (CWM LLC)
170
Carson Wealth (CWM LLC)
Nebraska
$2K +$553 +13 +38%
EWA
171
EverSource Wealth Advisors
Alabama
$1.35K -$13.6K -281 -91%
FFA
172
Farther Finance Advisors
California
$1.26K – – –
AF
173
Allworth Financial
California
$1.21K +$97 +2 +9%
QCG
174
Quadrant Capital Group
Ohio
$917 – – –
LC
175
Lindbrook Capital
California
$772 -$290 -6 -27%
5 6
7
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