We are live on ! Find out more
PRTA icon

Prothena Corp

142 hedge funds and large institutions have $1.55B invested in Prothena Corp in 2018 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 37 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

211% more call options, than puts

Call options by funds: $64M | Put options by funds: $20.6M

22% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 37

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

5% less capital invested

Capital invested by funds: $1.63B → $1.55B (-$74.9M)

2.89% less ownership

Funds ownership: 112.72%109.83% (-2.9%)

8% less funds holding

Funds holding: 155142 (-13)

31% less first-time investments, than exits

New positions opened: 25 | Existing positions closed: 36

Holders
142
Holders Change
-13
Holders Change %
-8.39%
% of All Funds
3.25%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
25
Increased
45
Reduced
37
Closed
36
Calls
$64M
Puts
$20.6M
Net Calls
+$43.4M
Net Calls Change
+$43.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
76
Jane Street
New York
$394K +$390K +10,730 New
Balyasny Asset Management
77
Balyasny Asset Management
Illinois
$345K +$342K +9,409 New
OAM
78
Oxford Asset Management
United Kingdom
$332K +$329K +9,032 New
Ameriprise
79
Ameriprise
Minnesota
$328K +$325K +8,928 New
Teacher Retirement System of Texas
80
Teacher Retirement System of Texas
Texas
$312K -$158K -4,341 -34%
OC
81
Oppenheimer & Co
New York
$284K +$282K +7,755 New
Tudor Investment Corp
82
Tudor Investment Corp
Connecticut
$274K +$271K +7,463 New
Royal Bank of Canada
83
Royal Bank of Canada
Ontario, Canada
$269K -$178K -4,888 -40%
FWM
84
Focused Wealth Management
New York
$262K +$36.4K +1,000 +16%
Public Employees Retirement Association of Colorado
85
Public Employees Retirement Association of Colorado
Colorado
$254K
Principal Financial Group
86
Principal Financial Group
Iowa
$253K -$188K -5,181 -43%
USAA
87
United Services Automobile Association
Texas
$235K +$233K +6,403 New
Holocene Advisors
88
Holocene Advisors
New York
$234K +$31.6K +868 +16%
AG
89
Aperio Group
California
$222K +$220K +6,054 New
SG Americas Securities
90
SG Americas Securities
New York
$221K +$47.7K +1,312 +28%
XK
91
Xact Kapitalforvaltning
Sweden
$210K +$208K +5,723 New
LPL Financial
92
LPL Financial
California
$210K +$209K +5,734 New
CG
93
Cutler Group
California
$169K -$15.5K -426 -8%
PNC Financial Services Group
94
PNC Financial Services Group
Pennsylvania
$137K -$60.4K -1,660 -31%
AIP
95
Ameritas Investment Partners
Nebraska
$119K
Zurich Cantonal Bank
96
Zurich Cantonal Bank
Switzerland
$117K
QT
97
Quantbot Technologies
New York
$110K -$65.1K -1,791 -37%
TRCT
98
Tower Research Capital (TRC)
New York
$96K +$73.6K +2,023 +349%
BDWM
99
Brewin Dolphin Wealth Management
Ireland
$76.2K
FPS
100
Fieldpoint Private Securities
Connecticut
$73K

PRTA Hedge Fund Activity: Q1 2018 in Review

142 of the 4,363 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2018, worth a combined $1.55B — down 4.6% from $1.63B a quarter earlier.

Sellers outnumbered buyers: 36 funds closed out of PRTA and 25 opened new positions — a net loss of 11 holders — while 37 trimmed existing stakes and 45 added.

The largest buyer was Millennium Management, adding an estimated $31.4M. The largest seller was Capital World Investors, cutting an estimated $37M.

  • 142 institutional investors held Prothena Corp (PRTA) as of Q1 2018, down from 155 in Q4 2017.
  • Funds reported $1.55B of Prothena Corp stock for Q1 2018, down 4.6% quarter-over-quarter.
  • 25 funds opened new Prothena Corp positions in Q1 2018 and 36 closed out, a net change of -11 holders.
  • The largest Prothena Corp buyer in Q1 2018 was Millennium Management, an estimated $31.4M added.
  • The largest Prothena Corp seller in Q1 2018 was Capital World Investors, an estimated $37M sold.

Based on aggregated 13F filings for Q1 2018.