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Prothena Corp
PRTA

141 hedge funds and large institutions have $584M invested in Prothena Corp in 2019 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 37 increasing their positions, 38 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

3,454% more call options, than puts

Call options by funds: $8.21M | Put options by funds: $231K

99% more capital invested

Capital invested by funds: $294M → $584M (+$290M)

85% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 13

8% more funds holding

Funds holding: 130 → 141 (+11)

3% less repeat investments, than reductions

Existing positions increased: 37 | Existing positions reduced: 38

1.55% less ownership

Funds ownership: 94.04% → 92.49% (-1.6%)

50% less funds holding in top 10

Funds holding in top 10: 2 → 1 (-1)

Holders
141
Holders Change
+11
Holders Change %
+8.46%
% of All Funds
2.78%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
24
Increased
37
Reduced
38
Closed
13
Calls
$8.21M
Puts
$231K
Net Calls
+$7.98M
Net Calls Change
+$7.06M

Top Buyers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
+$3.46M
2
AG
Artal Group
Luxembourg
+$3.22M
3
PA
Pinnacle Associates
New York
+$2.27M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$1.29M
5
N
Nuveen
North Carolina
+$1.2M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$7.53M
2
Citadel Advisors
Citadel Advisors
Florida
-$5M
3
Morgan Stanley
Morgan Stanley
New York
-$4.99M
4
State Street
State Street
Massachusetts
-$1.7M
5
O
OrbiMed
New York
-$1.29M
Name Holding Trade Value Shares
Change 		Change in
Stake
WQ
126
Wealth Quarterback
New Jersey
$63 +$43 +4 New
APA
127
American Portfolios Advisors
New York
$32 – – –
BC
128
Boxer Capital
California
– -$624K -79,598 Closed
KA
129
Kerrisdale Advisers
Florida
– -$483K -61,640 Closed
CCIA
130
Campbell & Co Investment Adviser
Maryland
– -$376K -47,901 Closed
Capital Fund Management (CFM)
131
Capital Fund Management (CFM)
France
– -$368K -47,000 Closed
VEA
132
Virtus ETF Advisers
New York
– -$211K -26,882 Closed
GCP
133
GSA Capital Partners
United Kingdom
– -$155K -19,805 Closed
DekaBank Deutsche Girozentrale
134
DekaBank Deutsche Girozentrale
Germany
– -$99K -12,650 Closed
QT
135
Quantamental Technologies
New York
– -$31K -3,999 Closed
PNC Financial Services Group
136
PNC Financial Services Group
Pennsylvania
– -$2K -300 Closed
TRCT
137
Tower Research Capital (TRC)
New York
– -$2K -252 Closed
GWS
138
Glassman Wealth Services
Virginia
– +$11 +1 New
VCP
139
Verus Capital Partners
Arizona
– +$32 +3 New
TPWA
140
TRUE Private Wealth Advisors
Oregon
– +$43 +4 New
PA
141
Procyon Advisors
Connecticut
– +$97 +9 New
2 3 4 5
6

PRTA Hedge Fund Activity: Q4 2019 in Review

141 of the 5,075 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2019, worth a combined $584M — up 99% from $294M a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new PRTA positions and 13 closed out — a net gain of 11 holders — while 37 added to existing stakes and 38 trimmed.

The largest buyer was Point72 Asset Management, opening a new position worth an estimated $3.46M. The largest seller was Millennium Management, cutting an estimated $7.53M.

  • 141 institutional investors held Prothena Corp (PRTA) as of Q4 2019, up from 130 in Q3 2019.
  • Funds reported $584M of Prothena Corp stock for Q4 2019, up 99% quarter-over-quarter.
  • 24 funds opened new Prothena Corp positions in Q4 2019 and 13 closed out, a net change of +11 holders.
  • The largest Prothena Corp buyer in Q4 2019 was Point72 Asset Management, an estimated $3.46M added.
  • The largest Prothena Corp seller in Q4 2019 was Millennium Management, an estimated $7.53M sold.

Based on aggregated 13F filings for Q4 2019.