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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
TA
26
Teachers Advisors
New York
$5.96M +$3.37M +92,535 +132%
Capital World Investors
27
Capital World Investors
California
$5.58M -$37M -1,016,214 -87%
Axa
28
Axa
France
$5.25M -$52.3K -1,437 -1%
ORI
29
Oak Ridge Investments
Illinois
$5.23M -$1.38M -37,910 -21%
TCIM
30
TIAA CREF Investment Management
New York
$4.84M +$785K +21,594 +20%
Barclays
31
Barclays
United Kingdom
$4.21M +$2.65M +72,866 +174%
ERSOT
32
Employees Retirement System of Texas
Texas
$4.15M +$800K +22,000 +24%
New York State Common Retirement Fund
33
New York State Common Retirement Fund
New York
$3.91M
Morgan Stanley
34
Morgan Stanley
New York
$3.65M -$2.07M -57,017 -36%
GC
35
Guggenheim Capital
Illinois
$3.61M +$740K +20,339 +26%
Thrivent Financial for Lutherans
36
Thrivent Financial for Lutherans
Minnesota
$3.57M +$1.98M +54,521 +128%
JP Morgan Chase
37
JP Morgan Chase
New York
$3.5M -$327K -8,993 -9%
UBS Group
38
UBS Group
Switzerland
$3.09M +$2.42M +66,400 +372%
Parallax Volatility Advisers
39
Parallax Volatility Advisers
California
$2.98M +$2.74M +75,311 +1,272%
Susquehanna International Group
40
Susquehanna International Group
Pennsylvania
$2.96M +$2.03M +55,678 +222%
PIM
41
Platinum Investment Management
Australia
$2.87M +$284K +7,800 +11%
GH
42
GAM Holding
Switzerland
$2.8M
Swiss National Bank
43
Swiss National Bank
Switzerland
$2.44M
D.E. Shaw & Co
44
D.E. Shaw & Co
New York
$2.31M +$2.07M +57,044 +967%
California Public Employees Retirement System
45
California Public Employees Retirement System
California
$2.21M -$105K -2,900 -5%
California State Teachers Retirement System (CalSTRS)
46
California State Teachers Retirement System (CalSTRS)
California
$2.17M -$50.7K -1,395 -2%
CS
47
Credit Suisse
Switzerland
$1.89M +$86.1K +2,367 +5%
Citigroup
48
Citigroup
New York
$1.68M +$346K +9,517 +26%
HT
49
HAP Trading
New York
$1.65M +$1.63M +44,828 New
ARTA
50
A.R.T. Advisors
New York
$1.52M +$1.51M +41,404 New

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.