Prothena Corp
PRTA
107 hedge funds and large institutions have $429M invested in Prothena Corp in 2013 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 35 increasing their positions, 18 reducing their positions, and 12 closing their positions.
288% more call options, than puts
Call options by funds: $2.4M | Put options by funds: $619K
158% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 12
134% more capital invested
Capital invested by funds: $183M → $429M (+$246M)
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
94% more repeat investments, than reductions
Existing positions increased: 35 | Existing positions reduced: 18
22% more funds holding
Funds holding: 88 → 107 (+19)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$31.6M |
| 2 |
O
OrbiMed
New York
|
+$30.1M |
| 3 |
Westfield Capital Management
Boston,
Massachusetts
|
+$23.6M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$20.3M |
| 5 |
DM
Deerfield Management
New York
|
+$13.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Norges Bank
Oslo,
Norway
|
-$2.25M |
| 2 |
Morgan Stanley
New York
|
-$1.43M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$1.28M |
| 4 |
BBA
Baker Bros. Advisors
New York
|
-$821K |
| 5 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$728K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
TI
101
Turner Investments
Berwyn,
Pennsylvania
| – | -$51K | -2,508 | Closed |
|
|
BG
102
BlackRock Group
London,
United Kingdom
| – | -$41K | -2,012 | Closed |
|
103
Group One Trading
Chicago,
Illinois
| – | -$23.3K | -928 | Closed |
|
|
BJ
104
BlackRock Japan
Tokyo,
Japan
| – | -$17K | -846 | Closed |
|
105
Ameriprise
Minneapolis,
Minnesota
| – | -$18.6K | -740 | -97% |
|
|
FANJ
106
Financial Architects (New Jersey)
Marlton,
New Jersey
| – | -$2K | -100 | Closed |
|
|
MAM
107
Meeder Asset Management
Dublin,
Ohio
| – | -$1K | -30 | Closed |
|
|
BPBT
108
Boston Private Bank & Trust
Boston,
Massachusetts
| – | +$25 | +1 | New |
|
|
CEMP
109
Compass Efficient Model Portfolios
Brentwood,
Tennessee
| – | +$176 | +7 | New |
|
|
TCM
110
Tradewinds Capital Management
Bellingham,
Washington
| – | +$276 | +11 | New |
|
PRTA Hedge Fund Activity: Q4 2013 in Review
107 of the 3,445 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q4 2013, worth a combined $429M — up 134% from $183M a quarter earlier.
Buyers outnumbered sellers: 31 funds opened new PRTA positions and 12 closed out — a net gain of 19 holders — while 35 added to existing stakes and 18 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $31.6M. The largest seller was Norges Bank, cutting an estimated $2.25M.
- 107 institutional investors held Prothena Corp (PRTA) as of Q4 2013, up from 88 in Q3 2013.
- Funds reported $429M of Prothena Corp stock for Q4 2013, up 134% quarter-over-quarter.
- 31 funds opened new Prothena Corp positions in Q4 2013 and 12 closed out, a net change of +19 holders.
- The largest Prothena Corp buyer in Q4 2013 was T. Rowe Price Associates, an estimated $31.6M added.
- The largest Prothena Corp seller in Q4 2013 was Norges Bank, an estimated $2.25M sold.
Based on aggregated 13F filings for Q4 2013.