Prothena Corporation plc (PRTA)
NASDAQ: PRTA · Real-Time Price · USD
4.660
+0.070 (1.53%)
At close: Jun 2, 2025, 4:00 PM
4.590
-0.070 (-1.50%)
After-hours: Jun 2, 2025, 5:53 PM EDT
Prothena Corporation Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 2, 2025 | 4.56 | 4.81 | 4.53 | 4.66 | 4.66 | 1.53% | 1,774,962 |
| May 30, 2025 | 4.60 | 4.70 | 4.42 | 4.59 | 4.59 | -2.34% | 1,966,074 |
| May 29, 2025 | 4.70 | 4.94 | 4.63 | 4.70 | 4.70 | 2.17% | 5,379,370 |
| May 28, 2025 | 4.48 | 4.85 | 4.32 | 4.60 | 4.60 | 0.44% | 6,238,281 |
| May 27, 2025 | 4.79 | 5.35 | 4.45 | 4.58 | 4.58 | -30.40% | 9,655,051 |
| May 23, 2025 | 6.45 | 6.62 | 6.36 | 6.58 | 6.58 | 0.46% | 1,767,325 |
| May 22, 2025 | 6.75 | 6.88 | 6.52 | 6.55 | 6.55 | -3.96% | 965,101 |
| May 21, 2025 | 7.16 | 7.24 | 6.62 | 6.82 | 6.82 | -6.45% | 1,137,440 |
| May 20, 2025 | 7.45 | 7.59 | 7.23 | 7.29 | 7.29 | -1.49% | 1,249,789 |
| May 19, 2025 | 7.11 | 7.41 | 7.00 | 7.40 | 7.40 | 3.06% | 781,413 |
| May 16, 2025 | 6.71 | 7.33 | 6.65 | 7.18 | 7.18 | 6.92% | 1,170,871 |
| May 15, 2025 | 6.90 | 6.92 | 6.47 | 6.72 | 6.72 | -2.47% | 1,116,134 |
| May 14, 2025 | 7.57 | 7.70 | 6.82 | 6.89 | 6.89 | -9.29% | 1,882,776 |
| May 13, 2025 | 7.61 | 7.76 | 7.41 | 7.59 | 7.59 | -0.26% | 2,205,868 |
| May 12, 2025 | 7.57 | 8.05 | 7.17 | 7.61 | 7.61 | 2.42% | 1,425,409 |
| May 9, 2025 | 7.02 | 8.08 | 6.92 | 7.43 | 7.43 | 4.65% | 1,656,948 |
| May 8, 2025 | 7.30 | 7.44 | 7.01 | 7.10 | 7.10 | -2.61% | 1,713,603 |
| May 7, 2025 | 7.50 | 7.52 | 7.17 | 7.29 | 7.29 | -0.82% | 2,004,166 |
| May 6, 2025 | 8.02 | 8.80 | 7.35 | 7.35 | 7.35 | -9.03% | 4,164,929 |
| May 5, 2025 | 8.50 | 8.75 | 8.00 | 8.08 | 8.08 | -4.94% | 3,031,976 |
| May 2, 2025 | 8.75 | 9.50 | 8.25 | 8.50 | 8.50 | -2.52% | 5,556,982 |
| May 1, 2025 | 9.21 | 9.27 | 8.58 | 8.72 | 8.72 | -5.22% | 1,937,207 |
| Apr 30, 2025 | 9.45 | 9.58 | 9.17 | 9.20 | 9.20 | -5.06% | 989,625 |
| Apr 29, 2025 | 9.64 | 9.78 | 9.44 | 9.69 | 9.69 | 0.41% | 445,954 |
| Apr 28, 2025 | 9.74 | 9.81 | 9.37 | 9.65 | 9.65 | -0.52% | 573,556 |
| Apr 25, 2025 | 9.58 | 9.84 | 9.39 | 9.70 | 9.70 | 0.52% | 491,670 |
| Apr 24, 2025 | 9.56 | 9.98 | 9.45 | 9.65 | 9.65 | 0.63% | 388,554 |
| Apr 23, 2025 | 9.77 | 10.07 | 9.44 | 9.59 | 9.59 | 0.52% | 836,739 |
| Apr 22, 2025 | 9.42 | 9.65 | 9.21 | 9.54 | 9.54 | 2.58% | 1,078,974 |
| Apr 21, 2025 | 9.12 | 9.97 | 9.00 | 9.30 | 9.30 | 1.09% | 774,051 |
| Apr 17, 2025 | 9.17 | 9.49 | 9.10 | 9.20 | 9.20 | -0.65% | 341,020 |
| Apr 16, 2025 | 9.51 | 9.58 | 9.15 | 9.26 | 9.26 | -3.44% | 400,107 |
| Apr 15, 2025 | 9.88 | 10.04 | 9.40 | 9.59 | 9.59 | -3.52% | 498,788 |
| Apr 14, 2025 | 10.45 | 10.45 | 9.75 | 9.94 | 9.94 | -2.74% | 387,199 |
| Apr 11, 2025 | 9.69 | 10.27 | 9.59 | 10.22 | 10.22 | 5.47% | 443,720 |
| Apr 10, 2025 | 9.96 | 10.16 | 9.54 | 9.69 | 9.69 | -5.56% | 460,785 |
| Apr 9, 2025 | 10.22 | 10.79 | 9.30 | 10.26 | 10.26 | -2.10% | 1,329,122 |
| Apr 8, 2025 | 11.24 | 11.50 | 10.35 | 10.48 | 10.48 | -3.32% | 746,553 |
| Apr 7, 2025 | 10.37 | 11.28 | 10.00 | 10.84 | 10.84 | -0.18% | 1,127,131 |
| Apr 4, 2025 | 11.02 | 11.37 | 10.68 | 10.86 | 10.86 | -4.06% | 417,145 |
| Apr 3, 2025 | 11.57 | 11.84 | 11.11 | 11.32 | 11.32 | -6.75% | 456,555 |
| Apr 2, 2025 | 11.60 | 12.20 | 11.54 | 12.14 | 12.14 | 3.41% | 560,627 |
| Apr 1, 2025 | 12.27 | 12.45 | 11.42 | 11.74 | 11.74 | -5.13% | 955,545 |
| Mar 31, 2025 | 12.66 | 12.71 | 11.78 | 12.38 | 12.38 | -5.82% | 535,684 |
| Mar 28, 2025 | 13.03 | 13.22 | 12.70 | 13.14 | 13.14 | 1.00% | 211,935 |
| Mar 27, 2025 | 13.52 | 13.52 | 12.71 | 13.01 | 13.01 | -2.69% | 284,214 |
| Mar 26, 2025 | 12.66 | 13.39 | 12.46 | 13.37 | 13.37 | 5.69% | 672,309 |
| Mar 25, 2025 | 13.27 | 13.30 | 12.57 | 12.65 | 12.65 | -5.17% | 391,185 |
| Mar 24, 2025 | 13.17 | 13.71 | 13.11 | 13.34 | 13.34 | 2.85% | 356,248 |
| Mar 21, 2025 | 12.72 | 12.99 | 12.54 | 12.97 | 12.97 | 0.78% | 869,554 |