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Prothena Corp
PRTA

130 hedge funds and large institutions have $533M invested in Prothena Corp in 2018 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 29 increasing their positions, 33 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

31% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 16

4% more funds holding

Funds holding: 125 → 130 (+5)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

2.92% less ownership

Funds ownership: 105.03% → 102.1% (-2.9%)

12% less repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 33

13% less capital invested

Capital invested by funds: $610M → $533M (-$77.1M)

83% less call options, than puts

Call options by funds: $3.99M | Put options by funds: $23M

Holders
130
Holders Change
+5
Holders Change %
+4%
% of All Funds
2.97%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
21
Increased
29
Reduced
33
Closed
16
Calls
$3.99M
Puts
$23M
Net Calls
-$19M
Net Calls Change
-$22.2M

Top Buyers

Rank Fund Capital Flow
1
Bank of America
Bank of America
North Carolina
+$10.1M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$5.92M
3
SCM
Scopia Capital Management
New York
+$5.86M
4
HT
HAP Trading
New York
+$3.28M
5
MWNA
Marshall Wace North America
New York
+$3M

Top Sellers

Rank Fund Capital Flow
1
State Street
State Street
Massachusetts
-$21.5M
2
DM
Deerfield Management
New York
-$9.16M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$7.6M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$4.81M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$4.28M
Name Holding Trade Value Shares
Change 		Change in
Stake
Federated Hermes
101
Federated Hermes
Pennsylvania
$2K -$1.43K -99 -37%
First Manhattan
102
First Manhattan
New York
$2K +$2.89K +200 New
ClearBridge Investments
103
ClearBridge Investments
New York
$1K – – –
CAW
104
Cornerstone Advisors (Washington)
Washington
$1K – – –
LJHT
105
Laurie J. Hall Trustee
$1K – – –
PFGIA
106
Patriot Financial Group Insurance Agency
Massachusetts
$1K +$58 +4 New
FHB
107
First Hawaiian Bank
Hawaii
$1K +$650 +45 New
MAM
108
Meeder Asset Management
Ohio
$1K +$1.33K +92 New
DM
109
Deerfield Management
New York
– -$9.16M -628,262 Closed
ERSOT
110
Employees Retirement System of Texas
Texas
– -$1.65M -113,000 Closed
PCM
111
Price Capital Management
Louisiana
– -$689K -47,232 Closed
Balyasny Asset Management
112
Balyasny Asset Management
Illinois
– -$461K -31,611 Closed
FRM
113
Fox Run Management
Connecticut
– -$381K -26,113 Closed
BIM
114
Bogle Investment Management
Massachusetts
– -$296K -20,304 Closed
SAM
115
Senzar Asset Management
New York
– -$249K -17,090 Closed
AQR Capital Management
116
AQR Capital Management
Connecticut
– -$242K -16,630 Closed
Jane Street
117
Jane Street
New York
– -$152K -10,417 Closed
SG Americas Securities
118
SG Americas Securities
New York
– -$102K -7,010 Closed
PIA
119
Piedmont Investment Advisors
North Carolina
– -$10K -698 Closed
STA
120
Summit Trail Advisors
New York
– -$9K -605 Closed
GWM
121
Geneos Wealth Management
Colorado
– -$1K -79 Closed
CIBC Private Wealth Group
122
CIBC Private Wealth Group
Georgia
– -$1K -49 Closed
WTB
123
Washington Trust Bank
Washington
– -$43 -3 -50%
ASN
124
Advisory Services Network
Georgia
– +$246 +17 New
GWS
125
Glassman Wealth Services
Virginia
– +$404 +28 New
1 2 3 4
5

PRTA Hedge Fund Activity: Q3 2018 in Review

130 of the 4,374 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q3 2018, worth a combined $533M — down 13% from $610M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new PRTA positions and 16 closed out — a net gain of 5 holders — while 29 added to existing stakes and 33 trimmed.

The largest buyer was Bank of America, adding an estimated $10.1M. The largest seller was State Street, cutting an estimated $21.5M.

  • 130 institutional investors held Prothena Corp (PRTA) as of Q3 2018, up from 125 in Q2 2018.
  • Funds reported $533M of Prothena Corp stock for Q3 2018, down 13% quarter-over-quarter.
  • 21 funds opened new Prothena Corp positions in Q3 2018 and 16 closed out, a net change of +5 holders.
  • The largest Prothena Corp buyer in Q3 2018 was Bank of America, an estimated $10.1M added.
  • The largest Prothena Corp seller in Q3 2018 was State Street, an estimated $21.5M sold.

Based on aggregated 13F filings for Q3 2018.