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Prothena Corp

139 hedge funds and large institutions have $394M invested in Prothena Corp in 2020 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 36 increasing their positions, 44 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

91% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 11

8% more funds holding

Funds holding: 129139 (+10)

1.29% more ownership

Funds ownership: 93.14%94.43% (+1.3%)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

1% less capital invested

Capital invested by funds: $398M → $394M (-$3.52M)

18% less repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 44

83% less call options, than puts

Call options by funds: $321K | Put options by funds: $1.92M

Holders
139
Holders Change
+10
Holders Change %
+7.75%
% of All Funds
2.85%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
21
Increased
36
Reduced
44
Closed
11
Calls
$321K
Puts
$1.92M
Net Calls
-$1.6M
Net Calls Change
-$3.56M
Name Holding Trade Value Shares
Change
Change in
Stake
Bessemer Group
51
Bessemer Group
New Jersey
$636K +$674K +60,700 +96,349%
Swiss National Bank
52
Swiss National Bank
Switzerland
$606K -$217K -19,500 -25%
AllianceBernstein
53
AllianceBernstein
Tennessee
$576K +$35.6K +3,200 +6%
TI
54
Trexquant Investment
Connecticut
$566K +$602K +54,141 New
CS
55
Credit Suisse
Switzerland
$555K +$293K +26,352 +99%
Ameriprise
56
Ameriprise
Minnesota
$490K -$1.28K -115 -0.2%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$485K -$159K -14,333 -24%
RC
58
RBF Capital
California
$474K
Jane Street
59
Jane Street
New York
$470K +$499K +44,900 New
Susquehanna International Group
60
Susquehanna International Group
Pennsylvania
$466K +$312K +28,078 +171%
Wells Fargo
61
Wells Fargo
California
$461K +$92.4K +8,320 +23%
Arrowstreet Capital
62
Arrowstreet Capital
Massachusetts
$442K +$470K +42,255 New
Los Angeles Capital Management
63
Los Angeles Capital Management
California
$427K +$234K +21,085 +107%
PP
64
PDT Partners
New York
$408K +$194K +17,500 +81%
CCIA
65
Campbell & Co Investment Adviser
Maryland
$388K +$412K +37,046 New
VEA
66
Virtus ETF Advisers
New York
$379K +$402K +36,223 New
UBS AM
67
UBS AM
Illinois
$378K -$69.5K -6,258 -15%
Invesco
68
Invesco
Georgia
$363K +$47.7K +4,292 +14%
Bank of America
69
Bank of America
North Carolina
$328K +$137K +12,355 +65%
Barclays
70
Barclays
United Kingdom
$294K -$103K -9,282 -25%
AG
71
Aperio Group
California
$293K +$10.2K +921 +3%
New York State Common Retirement Fund
72
New York State Common Retirement Fund
New York
$290K -$113K -10,200 -27%
SFM
73
Systematic Financial Management
New Jersey
$263K +$41.4K +3,730 +17%
Adage Capital Partners
74
Adage Capital Partners
Massachusetts
$262K +$278K +25,000 New
PP
75
Paloma Partners
Connecticut
$239K +$254K +22,869 New

PRTA Hedge Fund Activity: Q2 2020 in Review

139 of the 4,877 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2020, worth a combined $394M — down 0.88% from $398M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new PRTA positions and 11 closed out — a net gain of 10 holders — while 36 added to existing stakes and 44 trimmed.

The largest buyer was Soleus Capital Management, opening a new position worth an estimated $7.5M. The largest seller was Fidelity Investments, cutting an estimated $13.1M.

  • 139 institutional investors held Prothena Corp (PRTA) as of Q2 2020, up from 129 in Q1 2020.
  • Funds reported $394M of Prothena Corp stock for Q2 2020, down 0.88% quarter-over-quarter.
  • 21 funds opened new Prothena Corp positions in Q2 2020 and 11 closed out, a net change of +10 holders.
  • The largest Prothena Corp buyer in Q2 2020 was Soleus Capital Management, an estimated $7.5M added.
  • The largest Prothena Corp seller in Q2 2020 was Fidelity Investments, an estimated $13.1M sold.

Based on aggregated 13F filings for Q2 2020.