Prothena Corporation plc PRTA
Set alert
8.29 USD -0.18 -2.13%
At close
8.33 +0.04 +0.48%
Pre-market · Nov 3, 4:00 AM ET
8.11 Day range 8.49
7.73 52-week range 11.80
- YTD
- -13.19%
- 1 year
- -21.35%
- Open
- 8.45
- Prev close
- 8.47
- Mkt cap
- 425.58M
- Vol
- 462.46K
- Avg vol
- 469.63K
- EPS
- -0.82
- P/E
- 0.00
- Div yield
- 0.00%
More statistics
- Low
- 8.11
- High
- 8.49
- Forward P/E
- -3.57
- Beta
- 0.16
- Short ratio
- 17.35
- Inst. own
- 96.97%
- Dividend
- 0.00
- Ex-div date
- 50-d avg
- 15.72
- 200-d avg
- 20.26
- 1y target
- 49.75
3M chart
Signals (21)
| Name | Date | Ago |
|---|---|---|
| SMA: Bearish | Oct 30, 2026 | 3 days ago |
| SMA: Bearish | Oct 30, 2026 | 3 days ago |
| SMA: Bullish | Oct 27, 2026 | 6 days ago |
| SMA: Bullish | Oct 27, 2026 | 6 days ago |
| MACD: Buy Signal | Oct 26, 2026 | 1 week ago |
| MACD: Sell Signal | Oct 21, 2026 | 1 week ago |
| SMA: Bearish | Oct 12, 2026 | 3 weeks ago |
| SMA: Bullish | Oct 9, 2026 | 3 weeks ago |
| MACD: Buy Signal | Oct 8, 2026 | 3 weeks ago |
| SMA: Bearish | Sep 23, 2026 | 1 month ago |
| SMA: Bullish | Sep 22, 2026 | 1 month ago |
| SMA: Bearish | Sep 10, 2026 | 1 month ago |
| SMA: Bearish | Sep 10, 2026 | 1 month ago |
| MACD: Sell Signal | Sep 10, 2026 | 1 month ago |
| SMA: Bullish | Aug 19, 2026 | 2 months ago |
| SMA: Bullish | Aug 19, 2026 | 2 months ago |
| SMA: Bearish | Aug 18, 2026 | 2 months ago |
| SMA: Bearish | Aug 14, 2026 | 2 months ago |
| SMA: Bullish | Aug 10, 2026 | 2 months ago |
| SMA: Bullish | Aug 10, 2026 | 2 months ago |
Newest 20 of 21.
Held by funds
75 US ETFs and mutual funds hold PRTA · largest positions
Ownership
Held by insiders 13.46%
Held by institutions 96.97%
Float held by institutions 112.05%
Institutions 246
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| EcoR1 Capital, LLC | 21.53% | 11,584,280 | 177.59M | Sep 29, 2024 |
| FMR, LLC | 14.99% | 8,066,983 | 123.67M | Sep 29, 2024 |
| Wellington Management Group, LLP | 7.77% | 4,178,788 | 64.06M | Sep 29, 2024 |
| Blackrock Inc. | 7.49% | 4,028,387 | 61.76M | Sep 29, 2024 |
| Price (T.Rowe) Associates Inc | 7.10% | 3,822,434 | 58.60M | Sep 29, 2024 |
| Palo Alto Investors Lp | 3.23% | 1,737,964 | 26.64M | Sep 29, 2024 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Vanguard Specialized-Health Care Fund | 5.59% | 3,007,603 | 46.11M | Jul 30, 2024 |
| Fidelity Growth Company Fund | 4.38% | 2,355,277 | 36.11M | Oct 30, 2024 |
| Price (T.Rowe) New Horizons Fund | 3.52% | 1,891,627 | 29.00M | Sep 29, 2024 |
| iShares Russell 2000 ETF | 2.02% | 1,086,121 | 16.65M | Oct 30, 2024 |
| Fidelity Growth Company K6 Fund | 1.52% | 816,390 | 12.52M | Oct 30, 2024 |
| Fidelity Series Growth Company Fund | 1.41% | 758,605 | 11.63M | Oct 30, 2024 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| COOKE SHANE M | Director | Conversion of Exercise of derivative security | Jan 9, 2023 | 0 |
| GARREN HIDEKI | Officer | Conversion of Exercise of derivative security | Sep 12, 2023 | 0 |
| KARP CAROL D | Officer | Conversion of Exercise of derivative security | Oct 3, 2023 | 0 |
| KINNEY GENE G PH.D. | Chief Executive Officer | Conversion of Exercise of derivative security | May 16, 2023 | 12,793 |
| MALECEK MICHAEL J. | Officer | Conversion of Exercise of derivative security | Sep 26, 2023 | 0 |
| NGUYEN TRAN BRYAN | Chief Financial Officer | Conversion of Exercise of derivative security | May 16, 2023 | 3,200 |