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Prothena Corp

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: 130141 (+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: 21 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
51
California State Teachers Retirement System (CalSTRS)
California
$992K
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$955K
UBS AM
53
UBS AM
Illinois
$846K +$205K +19,146 +56%
AllianceBernstein
54
AllianceBernstein
Tennessee
$821K
Ameriprise
55
Ameriprise
Minnesota
$743K +$84.7K +7,903 +20%
RC
56
RBF Capital
California
$718K +$486K +45,362 New
UBS Group
57
UBS Group
Switzerland
$631K -$222K -20,676 -34%
New York State Common Retirement Fund
58
New York State Common Retirement Fund
New York
$601K
Invesco
59
Invesco
Georgia
$528K -$23.7K -2,214 -6%
IC
60
Ikarian Capital
Texas
$472K +$320K +29,832 New
Wells Fargo
61
Wells Fargo
California
$453K +$17.4K +1,625 +6%
Group One Trading
62
Group One Trading
Illinois
$436K +$229K +21,374 +346%
CS
63
Credit Suisse
Switzerland
$434K -$16.4K -1,533 -5%
AIG
64
American International Group
New York
$399K -$2.27K -212 -0.8%
DCM
65
Driehaus Capital Management
Illinois
$396K +$268K +25,000 New
State Board of Administration of Florida Retirement System
66
State Board of Administration of Florida Retirement System
Florida
$361K
PP
67
PDT Partners
New York
$340K -$170K -15,888 -42%
Connor, Clark & Lunn Investment Management (CC&L)
68
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$319K -$40.7K -3,800 -16%
Wolverine Trading
69
Wolverine Trading
Illinois
$318K +$216K +20,159 New
VOYA Investment Management
70
VOYA Investment Management
Georgia
$316K +$16.3K +1,520 +8%
Bank of America
71
Bank of America
North Carolina
$311K -$150K -14,034 -42%
Manulife (Manufacturers Life Insurance)
72
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$308K -$20.8K -1,940 -8%
AG
73
Aperio Group
California
$301K +$36.7K +3,423 +22%
Citigroup
74
Citigroup
New York
$293K -$209K -19,445 -51%
MIM
75
MetLife Investment Management
New Jersey
$290K

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.