PRTA NASDAQ
Prothena Corporation plc
1W: +3.6%
1M: +1.0%
3M: +2.9%
YTD: -4.2%
1Y: -10.3%
3Y: -79.9%
5Y: -85.9%
$8.81
+0.41 (+4.88%)
Weekly Expected Move ±6.8%
$7
$8
$8
$9
$9
Credit Risk of going bust: lower than 83% of companies Debt: 1.5% of company value Bonds: none of note held by US funds details ▾
If the stock fell to about $0.01 (down 99.9%), Prothena Corporation plc would be worth roughly what it owes.
Total debt $7.0M against a stock market value of $452.3M.
Distance to default 10.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $3.0M (short-term plus half of long-term), stock volatility 47.6%; Altman Z'' 9.96. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
Total debt $7.0M against a stock market value of $452.3M.
Distance to default 10.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $3.0M (short-term plus half of long-term), stock volatility 47.6%; Altman Z'' 9.96. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
Overview
Chart
Smart Money
Financials
Income Statement
Cash Flow
Balance Sheet
Earnings
Analysis
Technicals
Weather
Peers
ESG
Institutions
ETF Exposure
Dark Pool
Short Interest
Supply Chain
ETF Exposure
79
ETFs Holding
Total ETF Value
0.81%
Max Weight
0.051%
Avg Weight
ETF Holdings by Value
ETFs Holding PRTA
| # | ETF | Weight | Value | Holdings | Top 10 Wt | P/E | Div Yield | Sector Mix |
|---|---|---|---|---|---|---|---|---|
| 1 | FGCKX | 0.0210% | 379 | 50.8% | 77.7 | 0.00% | ||
| 2 | FDGRX | 0.0210% | 378 | 54.9% | 60.3 | 0.00% | ||
| 3 | NJM | 0.0117% | 1,897 | 8.0% | 11.8 | 0.01% | ||
| 4 |
IWM
iShares Russell 2000 ETF
|
0.0120% | 1,965 | 3.3% | 9.3 | 0.02% | ||
| 5 |
XBI
State Street SPDR S&P Biotech ETF
|
0.0760% | 159 | 17.8% | -13.1 | 0.00% | ||
| 6 | VEXRX | 0.0313% | 826 | 8.1% | 25.0 | 0.01% | ||
| 7 | VEXPX | 0.0313% | 824 | 8.0% | 24.2 | 0.01% | ||
| 8 | FBIOX | 0.0700% | 165 | 45.1% | -5.9 | 0.01% | ||
| 9 | FSSNX | 0.0120% | 1,952 | 3.2% | 7.5 | 0.02% | ||
| 10 |
VXF
Vanguard Extended Market ETF
|
0.0042% | 3,322 | 9.5% | 3.8 | 0.01% | ||
| 11 | VEXAX | 0.0042% | 3,322 | 9.5% | 3.8 | 0.01% | ||
| 12 | VEMPX | 0.0042% | 3,322 | 9.5% | 3.8 | 0.01% | ||
| 13 | VIEIX | 0.0042% | 3,322 | 9.5% | 3.8 | 0.01% | ||
| 14 | VSTCX | 0.1027% | 652 | 7.2% | 14.4 | 0.01% | ||
| 15 | NAJ | 0.0225% | 1,376 | 6.9% | 8.4 | 0.02% | ||
| 16 |
DFAS
Dimensional - US Small Cap ETF
|
0.0089% | 2,090 | 2.6% | 15.2 | 0.01% | ||
| 17 |
IBB
iShares Biotechnology ETF
|
0.0262% | 234 | 50.8% | -8.5 | 0.00% | ||
| 18 |
VTWO
Vanguard Russell 2000 ETF
|
0.0119% | 1,992 | 3.3% | 8.8 | 0.01% | ||
| 19 |
IWO
iShares Russell 2000 Growth ETF
|
0.0142% | 1,114 | 6.4% | -1.2 | 0.01% | ||
| 20 | FSMAX | 0.0050% | 3,181 | 8.8% | 12.6 | 0.01% | ||
| 21 |
FSCC
Federated Hermes MDT Small Cap Core ETF
|
0.4036% | 309 | 12.6% | 10.2 | 0.01% | ||
| 22 |
SCHA
Schwab U.S. Small-Cap ETF
|
0.0081% | 1,743 | 2.8% | 15.7 | 0.02% | ||
| 23 |
DFMC
U.S. Micro Cap Portfolio ETF
|
0.0184% | 1,732 | 3.7% | 24.8 | 0.02% | ||
| 24 |
IWN
iShares Russell 2000 Value ETF
|
0.0100% | 1,396 | 5.4% | 19.1 | 0.03% | ||
| 25 | VHCIX | 0.0048% | 394 | 51.9% | 30.6 | 0.01% | ||
| 26 |
VHT
Vanguard Health Care ETF
|
0.0048% | 410 | 51.8% | 30.6 | 0.01% | ||
| 27 | FSKAX | —% | 3,600 | 34.8% | 51.6 | 0.01% | ||
| 28 |
AVSC
Avantis U.S. Small Cap Equity ETF
|
0.0200% | 1,515 | 3.3% | 24.0 | 0.01% | ||
| 29 |
DFAC
Dimensional - US Core Equity 2 ETF
|
0.0008% | 2,537 | 26.7% | 27.5 | 0.01% | ||
| 30 |
ITOT
iShares Core S&P Total U.S. Stock Market ETF
|
0.0005% | 2,420 | 33.8% | 62.4 | 0.01% | ||
| 31 |
GSSC
Goldman Sachs ActiveBeta U.S. Small Cap Equity ETF
|
0.0400% | 1,372 | 3.6% | 0.7 | 0.01% | ||
| 32 |
DCOR
U.S. Core Equity 1 Portfolio ETF Class Shares
|
0.0009% | 2,518 | 27.9% | 32.6 | 0.01% | ||
| 33 |
PRFZ
Invesco RAFI US 1500 Small-Mid ETF
|
0.0157% | 1,481 | 4.1% | 16.4 | 0.01% | ||
| 34 |
BBC
Virtus Biotech Clinical Trials ETF
|
0.8100% | 129 | 15.2% | -15.5 | —% | ||
| 35 |
LABU
LEV
Direxion Daily S&P Biotech Bull 3X Shares
|
0.0533% | 158 | 12.4% | -13.1 | 0.00% | ||
| 36 | NLO | 0.0021% | 1,077 | 14.6% | 14.9 | 0.01% | ||
| 37 |
VTWG
Vanguard Russell 2000 Growth ETF
|
0.0141% | 1,129 | 6.4% | -0.6 | 0.01% | ||
| 38 | FECGX | 0.0150% | 1,103 | 6.0% | 4.1 | 0.01% | ||
| 39 |
DXUV
U.S. Vector Equity Portfolio ETF Class Shares
|
0.0034% | 2,258 | 23.9% | 22.8 | 0.01% | ||
| 40 |
SMMD
iShares Russell 2500 ETF
|
0.0049% | 2,474 | 3.1% | 19.4 | 0.02% | ||
| 41 | FISVX | 0.0090% | 1,399 | 5.5% | 11.8 | 0.02% | ||
| 42 | FZROX | —% | 2,631 | 33.4% | 51.3 | 0.01% | ||
| 43 | FNCMX | 0.0010% | 2,781 | 57.5% | 72.7 | 0.27% | ||
| 44 |
SCHB
Schwab U.S. Broad Market ETF
|
0.0004% | 2,380 | 33.9% | 62.5 | 0.01% | ||
| 45 |
RSSL
Global X - Russell 2000 ETF
|
0.0100% | 1,967 | 3.3% | 7.7 | 0.02% | ||
| 46 | FZIPX | 0.0060% | 2,126 | 3.3% | 18.3 | 0.02% | ||
| 47 |
VTWV
Vanguard Russell 2000 Value ETF
|
0.0100% | 1,426 | 5.4% | 18.4 | 0.02% | ||
| 48 |
DFAU
Dimensional - US Core Equity Market ETF
|
0.0010% | 2,154 | 34.0% | 42.9 | 0.01% | ||
| 49 |
QQQS
Invesco NASDAQ Future Gen 200 ETF
|
0.4989% | 200 | 8.2% | -6.1 | 0.01% | ||
| 50 | NMV | 0.0005% | 2,552 | 34.3% | 54.6 | 0.01% | ||
| 51 |
IWV
iShares Russell 3000 ETF
|
0.0004% | 2,579 | 33.7% | 62.4 | 0.01% | ||
| 52 |
DFUS
Dimensional U.S. Equity ETF
|
0.0004% | 2,210 | 34.6% | 64.3 | 0.01% | ||
| 53 | AVSCX | 0.0400% | 1,108 | 3.7% | 10.0 | 0.01% | ||
| 54 | FLXSX | 0.0120% | 1,623 | 3.6% | 11.2 | 0.01% | ||
| 55 |
DFSV
U.S. Small Cap Value Portfolio ETF Class Shares
|
0.0002% | 1,054 | 7.2% | 21.4 | 0.02% | ||
| 56 |
MNTL
Tema Neuroscience And Mental Health ETF
|
0.4200% | 42 | 55.5% | -9.4 | 0.00% | ||
| 57 |
IBRN
iShares Neuroscience and Healthcare ETF
|
0.5766% | 67 | 42.0% | -16.1 | 0.00% | ||
| 58 |
IBBQ
Invesco Nasdaq Biotechnology ETF
|
0.0281% | 247 | 47.4% | -0.3 | 0.01% | ||
| 59 |
VTHR
Vanguard Russell 3000 ETF
|
0.0004% | 2,980 | 34.7% | 63.1 | 0.01% | ||
| 60 |
ITWO
ProShares Russell 2000 High Income ETF
|
0.0113% | 1,961 | 3.1% | 9.2 | 0.02% | ||
| 61 |
DFSU
Dimensional - US Sustainability Core 1 ETF
|
0.0007% | 1,967 | 30.7% | 39.3 | 0.01% | ||
| 62 |
BIB
LEV
ProShares Ultra Nasdaq Biotechnology
|
0.0177% | 246 | 46.6% | -0.3 | 0.01% | ||
| 63 |
URTY
LEV
ProShares - UltraPro Russell2000
|
0.0058% | 1,964 | 22.8% | 9.2 | 0.02% | ||
| 64 |
DFAT
Dimensional - US Targeted Value ETF
|
0.0000% | 1,219 | 7.0% | 20.1 | 0.02% | ||
| 65 |
UWM
LEV
ProShares - Ultra Russell2000
|
0.0049% | 1,963 | 39.1% | 9.2 | 0.02% | ||
| 66 |
VETS
Pacer Military Times Best Employers ETF
|
0.0300% | 2,366 | 424.1% | 56.1 | 0.02% | ||
| 67 |
AVTM
Avantis Total Equity Markets ETF 1
|
—% | 1,702 | 40.6% | 45.5 | 0.01% | ||
| 68 |
IWMW
iShares Russell 2000 BuyWrite ETF
|
0.0120% | 1,963 | 3.3% | 9.3 | 0.02% | ||
| 69 |
SZNE
Pacer CFRA-Stovall Equal Weight Seasonal Rotation ETF
|
0.0200% | 2,456 | 393.3% | 67.7 | 0.02% | ||
| 70 |
VIRS
Pacer BioThreat Strategy ETF
|
0.0200% | 2,456 | 393.3% | 67.7 | 0.02% | ||
| 71 |
AESL
Harbor AlphaEdge Small Cap Value ETF
|
0.2321% | 124 | 27.9% | 12.8 | 0.02% | ||
| 72 |
PWS
Pacer WealthShield ETF
|
0.0100% | 313 | 25.7% | 37.8 | 0.01% | ||
| 73 |
RESM
Columbia Research Enhanced Small Cap ETF
|
0.0100% | 1,007 | 4.8% | -6.1 | 0.01% | ||
| 74 |
HDG
ProShares - Hedge Replication ETF
|
0.0019% | 1,960 | 0.5% | 9.2 | 0.02% | ||
| 75 |
ITDF
iShares LifePath Target Date 2050 ETF
|
0.0003% | 7,948 | 19.6% | 47.8 | 0.02% | ||
| 76 |
ITDE
iShares LifePath Target Date 2045 ETF
|
0.0003% | 7,963 | 17.8% | 47.8 | 0.02% | ||
| 77 |
ITDD
iShares LifePath Target Date 2040 ETF
|
0.0002% | 7,963 | 15.8% | 47.9 | 0.02% | ||
| 78 |
ITDG
iShares LifePath Target Date 2055 ETF
|
0.0004% | 7,948 | 20.8% | 47.5 | 0.02% | ||
| 79 |
ITDH
iShares LifePath Target Date 2060 ETF
|
0.0004% | 7,948 | 21.1% | 47.4 | 0.02% | ||
| 80 |
ITDC
iShares LifePath Target Date 2035 ETF
|
0.0001% | 7,963 | 13.9% | 48.2 | 0.02% | ||
| 81 |
RB
ProShares Trust - ProShares Russell 2000 Dynamic Buffer ETF
|
0.0120% | 1,953 | 2.9% | 8.9 | 0.02% | ||
| 82 |
ITDI
iShares LifePath Target Date 2065 ETF
|
0.0004% | 7,948 | 21.1% | 47.4 | 0.02% | ||
| 83 |
ITDJ
iShares LifePath Target Date 2070 ETF
|
0.0004% | 7,948 | 21.1% | 47.4 | 0.02% | ||
| 84 |
ITDB
iShares LifePath Target Date 2030 ETF
|
0.0001% | 7,963 | 11.3% | 48.8 | 0.02% | ||
| 85 |
IRTR
iShares LifePath Retirement ETF
|
0.0001% | 7,963 | 8.6% | 48.8 | 0.02% |
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