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Prothena Corp

138 hedge funds and large institutions have $1.62B invested in Prothena Corp in 2015 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 48 increasing their positions, 35 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 10

59% more capital invested

Capital invested by funds: $1.02B → $1.62B (+$599M)

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

37% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 35

15% more call options, than puts

Call options by funds: $12.2M | Put options by funds: $10.6M

11% more funds holding

Funds holding: 124138 (+14)

Holders
138
Holders Change
+14
Holders Change %
+11.29%
% of All Funds
3.72%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
25
Increased
48
Reduced
35
Closed
10
Calls
$12.2M
Puts
$10.6M
Net Calls
+$1.56M
Net Calls Change
+$6.55M
Name Holding Trade Value Shares
Change
Change in
Stake
Norges Bank
26
Norges Bank
Norway
$9.97M
TI
27
Turner Investments
Pennsylvania
$9.15M -$3.01M -76,170 -30%
CS
28
Credit Suisse
Switzerland
$8.14M +$1.05M +26,562 +21%
TCIM
29
TIAA CREF Investment Management
New York
$7.56M +$1.72M +43,696 +44%
Prudential Financial
30
Prudential Financial
New Jersey
$7.24M -$975K -24,700 -15%
EI
31
EAM Investors
California
$6.21M +$3.38M +85,559 +265%
SFM
32
Sphera Funds Management
Israel
$6.06M +$1.07M +27,000 +31%
Two Sigma Investments
33
Two Sigma Investments
New York
$5.88M +$4.4M +111,544 New
BIM
34
BlackRock Investment Management
Delaware
$5.58M +$789K +19,988 +23%
ERSOT
35
Employees Retirement System of Texas
Texas
$4.74M
JP Morgan Chase
36
JP Morgan Chase
New York
$4.54M -$312K -7,899 -8%
PI
37
Putnam Investments
Massachusetts
$4.34M -$1.41M -35,836 -30%
CCP
38
Clough Capital Partners
Massachusetts
$3.65M -$2.99M -75,800 -52%
Deutsche Bank
39
Deutsche Bank
Germany
$3.52M -$45.5K -1,153 -2%
Point72 Asset Management
40
Point72 Asset Management
Connecticut
$3.27M +$2.45M +62,000 New
California State Teachers Retirement System (CalSTRS)
41
California State Teachers Retirement System (CalSTRS)
California
$3.01M +$336K +8,503 +17%
Charles Schwab
42
Charles Schwab
California
$2.88M +$255K +6,469 +13%
Axa
43
Axa
France
$2.69M +$2.02M +51,162 New
AllianceBernstein
44
AllianceBernstein
Tennessee
$2.36M +$343K +8,700 +24%
Ameriprise
45
Ameriprise
Minnesota
$2.34M +$1.75M +44,386 New
Wells Fargo
46
Wells Fargo
California
$2.21M +$710K +17,980 +75%
RFC
47
Russell Frank Company
Washington
$2.21M +$551K +13,949 +50%
BA
48
BlackRock Advisors
Delaware
$2.02M -$1.61M -40,833 -52%
Swiss National Bank
49
Swiss National Bank
Switzerland
$1.97M +$150K +3,800 +11%
Two Sigma Advisers
50
Two Sigma Advisers
New York
$1.89M +$1.42M +35,900 New

PRTA Hedge Fund Activity: Q2 2015 in Review

138 of the 3,711 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2015, worth a combined $1.62B — up 59% from $1.02B a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new PRTA positions and 10 closed out — a net gain of 15 holders — while 48 added to existing stakes and 35 trimmed.

The largest buyer was Woodford Investment Management, adding an estimated $71.8M. The largest seller was Westfield Capital Management, cutting an estimated $13.5M.

  • 138 institutional investors held Prothena Corp (PRTA) as of Q2 2015, up from 124 in Q1 2015.
  • Funds reported $1.62B of Prothena Corp stock for Q2 2015, up 59% quarter-over-quarter.
  • 25 funds opened new Prothena Corp positions in Q2 2015 and 10 closed out, a net change of +15 holders.
  • The largest Prothena Corp buyer in Q2 2015 was Woodford Investment Management, an estimated $71.8M added.
  • The largest Prothena Corp seller in Q2 2015 was Westfield Capital Management, an estimated $13.5M sold.

Based on aggregated 13F filings for Q2 2015.