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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
New York State Common Retirement Fund
51
New York State Common Retirement Fund
New York
$505K
Citigroup
52
Citigroup
New York
$471K -$1.78M -142,416 -79%
Barclays
53
Barclays
United Kingdom
$456K +$135K +10,835 +41%
AIM
54
Assured Investment Management
New York
$435K +$448K +35,863 +94,376%
ARTA
55
A.R.T. Advisors
New York
$403K -$2.05K -164 -0.5%
Millennium Management
56
Millennium Management
New York
$394K -$481K -38,518 -54%
Tudor Investment Corp
57
Tudor Investment Corp
Connecticut
$370K +$164K +13,113 +76%
PPA
58
Parametric Portfolio Associates
Washington
$358K +$73.3K +5,868 +25%
Ameriprise
59
Ameriprise
Minnesota
$343K +$135K +10,829 +62%
Axa
60
Axa
France
$333K
UBS AM
61
UBS AM
Illinois
$331K +$154K +12,320 +82%
CS
62
Credit Suisse
Switzerland
$321K -$109K -8,738 -25%
Manulife (Manufacturers Life Insurance)
63
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$320K +$173K +13,879 +111%
AIG
64
American International Group
New York
$311K -$10.4K -831 -3%
Walleye Trading
65
Walleye Trading
New York
$289K -$736K -58,964 -71%
Wells Fargo
66
Wells Fargo
California
$280K -$237 -19 -0.1%
VEA
67
Virtus ETF Advisers
New York
$278K -$37K -2,964 -11%
State Board of Administration of Florida Retirement System
68
State Board of Administration of Florida Retirement System
Florida
$268K
BFM
69
Boothbay Fund Management
New York
$243K +$250K +20,000 New
Nisa Investment Advisors
70
Nisa Investment Advisors
Missouri
$242K
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$240K +$35K +2,800 +22%
MIM
72
MetLife Investment Management
New Jersey
$222K
Susquehanna International Group
73
Susquehanna International Group
Pennsylvania
$218K -$851K -68,178 -79%
ProShare Advisors
74
ProShare Advisors
Maryland
$217K +$2.04K +163 +0.9%
VOYA Investment Management
75
VOYA Investment Management
Georgia
$206K

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.