We are live on ! Find out more
PRTA icon

Prothena Corp

139 hedge funds and large institutions have $480M invested in Prothena Corp in 2019 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 39 increasing their positions, 30 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

190% more first-time investments, than exits

New positions opened: 29 | Existing positions closed: 10

30% more repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 30

16% more capital invested

Capital invested by funds: $414M → $480M (+$66M)

16% more funds holding

Funds holding: 120139 (+19)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

1.56% less ownership

Funds ownership: 100.83%99.27% (-1.6%)

86% less call options, than puts

Call options by funds: $487K | Put options by funds: $3.38M

Holders
139
Holders Change
+19
Holders Change %
+15.83%
% of All Funds
3.01%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
29
Increased
39
Reduced
30
Closed
10
Calls
$487K
Puts
$3.38M
Net Calls
-$2.89M
Net Calls Change
+$5.08M
Name Holding Trade Value Shares
Change
Change in
Stake
WIM
1
Woodford Investment Management
United Kingdom
$145M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$50.8M -$9.03M -723,397 -15%
BlackRock
3
BlackRock
New York
$40.4M -$254K -20,365 -0.6%
O
4
OrbiMed
New York
$29.5M +$30.4M +2,435,278 New
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$20.4M +$5.13M +410,527 +32%
State Street
6
State Street
Massachusetts
$18.5M -$17.1K -1,371 -0.1%
Citadel Advisors
7
Citadel Advisors
Florida
$17.6M +$3.19M +255,589 +21%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$14.5M -$11.8M -941,959 -44%
PAI
9
Palo Alto Investors
California
$13.4M
Vanguard Group
10
Vanguard Group
Pennsylvania
$9.8M +$1.42M +113,902 +16%
EC
11
EcoR1 Capital
California
$8.81M -$1.39M -111,700 -13%
Morgan Stanley
12
Morgan Stanley
New York
$8.27M +$7.26M +581,519 +582%
SCM
13
Scopia Capital Management
New York
$7.28M -$50.2M -4,018,164 -87%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$6.62M +$663K +53,115 +11%
D.E. Shaw & Co
15
D.E. Shaw & Co
New York
$6.29M +$5.75M +460,223 +786%
Northern Trust
16
Northern Trust
Illinois
$5.88M -$13.6K -1,090 -0.2%
HT
17
HAP Trading
New York
$5.56M -$2.45M -196,303 -30%
Goldman Sachs
18
Goldman Sachs
New York
$4.95M +$425K +34,023 +9%
Two Sigma Investments
19
Two Sigma Investments
New York
$4.87M +$476K +38,148 +10%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$4.38M -$145K -11,584 -3%
TCM
21
Tang Capital Management
California
$3.93M +$3.45M +276,213 +580%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$3.4M +$1.78M +142,200 +103%
Deutsche Bank
23
Deutsche Bank
Germany
$3.37M +$3.06M +245,019 +743%
Bank of America
24
Bank of America
North Carolina
$2.77M -$3.75M -300,626 -57%
Charles Schwab
25
Charles Schwab
California
$2.66M -$15.4K -1,230 -0.6%

PRTA Hedge Fund Activity: Q1 2019 in Review

139 of the 4,620 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q1 2019, worth a combined $480M — up 16% from $414M a quarter earlier.

Buyers outnumbered sellers: 29 funds opened new PRTA positions and 10 closed out — a net gain of 19 holders — while 39 added to existing stakes and 30 trimmed.

The largest buyer was OrbiMed, opening a new position worth an estimated $30.4M. The largest seller was Scopia Capital Management, cutting an estimated $50.2M.

  • 139 institutional investors held Prothena Corp (PRTA) as of Q1 2019, up from 120 in Q4 2018.
  • Funds reported $480M of Prothena Corp stock for Q1 2019, up 16% quarter-over-quarter.
  • 29 funds opened new Prothena Corp positions in Q1 2019 and 10 closed out, a net change of +19 holders.
  • The largest Prothena Corp buyer in Q1 2019 was OrbiMed, an estimated $30.4M added.
  • The largest Prothena Corp seller in Q1 2019 was Scopia Capital Management, an estimated $50.2M sold.

Based on aggregated 13F filings for Q1 2019.