| Stock Name / Fund | iShares Nasdaq US Biotechnology UCITS ETF USD (Dist) |
| Issuer | Blackrock |
| ETF Ticker | BTEE(USD) LSE |
| ETF Ticker | BTEE.L(GBP) LSE |
| Stock Name | Prothena Corporation plc |
| Ticker | PRTA(USD) NASDAQ |
| TYPE | Common Stock |
| Country | USA |
| ISIN | IE00B91XRN20 |
| Date | Number of PRTA Shares Held | Base Market Value of PRTA Shares | Local Market Value of PRTA Shares | Change in PRTA Shares Held | Change in PRTA Base Value | Current Price per PRTA Share Held | Previous Price per PRTA Share Held |
|---|---|---|---|---|---|---|---|
| 2026-01-15 (Thursday) | 40,002![]() | USD 370,419![]() | USD 370,419 | 184 | USD 4,093 | USD 9.26001 | USD 9.20001 |
| 2026-01-14 (Wednesday) | 39,818![]() | USD 366,326![]() | USD 366,326 | 184 | USD 10,413 | USD 9.20001 | USD 8.97999 |
| 2026-01-13 (Tuesday) | 39,634 | USD 355,913![]() | USD 355,913 | 0 | USD 2,774 | USD 8.97999 | USD 8.91 |
| 2026-01-12 (Monday) | 39,634![]() | USD 353,139![]() | USD 353,139 | 184 | USD -9,407 | USD 8.91 | USD 9.19001 |
| 2026-01-09 (Friday) | 39,450![]() | USD 362,546![]() | USD 362,546 | 276 | USD 8,021 | USD 9.19001 | USD 9.05001 |
| 2026-01-08 (Thursday) | 39,174 | USD 354,525![]() | USD 354,525 | 0 | USD -3,134 | USD 9.05001 | USD 9.13001 |
| 2026-01-07 (Wednesday) | 39,174![]() | USD 357,659![]() | USD 357,659 | 184 | USD 7,919 | USD 9.13001 | USD 8.96999 |
| 2026-01-06 (Tuesday) | 38,990 | USD 349,740![]() | USD 349,740 | 0 | USD -5,069 | USD 8.96999 | USD 9.1 |
| 2026-01-05 (Monday) | 38,990 | USD 354,809![]() | USD 354,809 | 0 | USD -3,899 | USD 9.1 | USD 9.2 |
| 2026-01-02 (Friday) | 38,990![]() | USD 358,708![]() | USD 358,708 | 92 | USD -12,768 | USD 9.2 | USD 9.55 |
| 2025-12-31 (Wednesday) | 38,898 | USD 371,476![]() | USD 371,476 | 0 | USD 9,336 | USD 9.55 | USD 9.30999 |
| Date | Action | Quantity | Market High | Market Low | Likely Trade Price | Likely Trade Value (Profit/Loss) | Average Price previous trades |
|---|---|---|---|---|---|---|---|
| 2026-01-15 | BUY | 184 | 9.270 | 8.910 | 8.946 | USD 1,646 | 10.86 |
| 2026-01-14 | BUY | 184 | 9.250 | 8.840 | 8.881 | USD 1,634 | 10.86 |
| 2026-01-12 | BUY | 184 | 9.160 | 8.650 | 8.701 | USD 1,601 | 10.88 |
| 2026-01-09 | BUY | 276 | 9.335 | 9.110 | 9.132 | USD 2,521 | 10.89 |
| 2026-01-07 | BUY | 184 | 9.465 | 8.960 | 9.011 | USD 1,658 | 10.90 |
| 2026-01-02 | BUY | 92 | 9.690 | 9.070 | 9.132 | USD 840 | 10.93 |
| 2025-12-30 | BUY | 92 | 9.520 | 9.290 | 9.313 | USD 857 | 10.94 |
| 2025-12-23 | SELL | -1,104 | 9.590 | 9.290 | 9.320 | USD -10,289 | 10.97 Profit of 1,817 on sale |
| 2025-12-17 | SELL | -470 | 9.910 | 9.390 | 9.442 | USD -4,438 | 10.99 Profit of 730 on sale |
| 2025-12-16 | SELL | -94 | 10.160 | 9.520 | 9.584 | USD -901 | 11.00 Profit of 133 on sale |
| 2025-12-15 | BUY | 186 | 10.500 | 9.940 | 9.996 | USD 1,859 | 11.01 |
| 2025-12-11 | BUY | 190 | 10.470 | 9.810 | 9.876 | USD 1,876 | 11.01 |
| 2025-12-04 | BUY | 1,840 | 11.570 | 10.950 | 11.012 | USD 20,262 | 11.02 |
| 2025-12-02 | BUY | 1,395 | 10.530 | 10.140 | 10.179 | USD 14,200 | 11.02 |
| 2025-11-28 | BUY | 93 | 10.825 | 10.455 | 10.492 | USD 976 | 11.03 |
| 2025-11-26 | BUY | 279 | 10.590 | 10.370 | 10.392 | USD 2,899 | 11.04 |
| 2025-11-26 | BUY | 279 | 10.590 | 10.370 | 10.392 | USD 2,899 | 11.04 |
| 2025-11-25 | BUY | 465 | 10.620 | 10.300 | 10.332 | USD 4,804 | 11.04 |
| 2025-11-24 | BUY | 93 | 10.900 | 10.290 | 10.351 | USD 963 | 11.04 |
| 2025-11-20 | SELL | -368 | 10.510 | 9.990 | 10.042 | USD -3,695 | 11.05 Profit of 371 on sale |
| 2025-11-19 | BUY | 92 | 10.490 | 9.970 | 10.022 | USD 922 | 11.05 |
| 2025-11-18 | BUY | 552 | 10.420 | 9.960 | 10.006 | USD 5,523 | 11.06 |
| 2025-11-17 | BUY | 184 | 10.320 | 9.750 | 9.807 | USD 1,804 | 11.06 |
| 2025-11-14 | BUY | 92 | 10.330 | 9.930 | 9.970 | USD 917 | 11.07 |
| 2025-11-12 | BUY | 92 | 10.900 | 10.220 | 10.288 | USD 946 | 11.07 |
| 2025-11-10 | BUY | 91 | 11.090 | 10.465 | 10.527 | USD 958 | 11.08 |
| 2025-11-06 | BUY | 91 | 10.490 | 10.015 | 10.063 | USD 916 | 11.09 |
| 2025-11-04 | BUY | 92 | 10.560 | 10.160 | 10.200 | USD 938 | 11.10 |
| 2025-10-30 | BUY | 460 | 10.815 | 10.345 | 10.392 | USD 4,780 | 11.11 |
| 2025-10-29 | BUY | 184 | 10.650 | 10.795 | 10.781 | USD 1,984 | 11.11 |
| 2025-10-22 | SELL | -364 | 9.880 | 10.350 | 10.303 | USD -3,750 | 11.14 Profit of 304 on sale |
| 2025-10-20 | BUY | 182 | 10.370 | 10.550 | 10.532 | USD 1,917 | 11.15 |
| 2025-10-17 | BUY | 454 | 9.920 | 10.230 | 10.199 | USD 4,630 | 11.16 |
| 2025-10-15 | BUY | 720 | 10.660 | 10.720 | 10.714 | USD 7,714 | 11.16 |
| 2025-10-03 | BUY | 644 | 9.920 | 10.160 | 10.136 | USD 6,528 | 11.17 |
| 2025-10-02 | BUY | 92 | 9.990 | 10.220 | 10.197 | USD 938 | 11.18 |
| 2025-09-30 | BUY | 184 | 9.760 | 9.850 | 9.841 | USD 1,811 | 11.20 |
| 2025-09-26 | BUY | 184 | 9.410 | 9.460 | 9.455 | USD 1,740 | 11.22 |
| 2025-09-25 | BUY | 184 | 9.360 | 9.560 | 9.540 | USD 1,755 | 11.23 |
| 2025-09-18 | BUY | 94 | 8.180 | 8.350 | 8.333 | USD 783 | 11.25 |
| 2025-09-17 | BUY | 282 | 8.060 | 8.385 | 8.353 | USD 2,355 | 11.27 |
| 2025-07-17 | SELL | -184 | 6.470 | 6.600 | 6.587 | USD -1,212 | 11.38 Profit of 882 on sale |
| 2025-07-11 | SELL | -744 | 6.400 | 6.520 | 6.508 | USD -4,842 | 11.52 Profit of 3,725 on sale |
| 2025-07-02 | BUY | 5,115 | 6.320 | 6.585 | 6.559 | USD 33,547 | 11.65 |
| 2025-06-25 | BUY | 186 | 5.990 | 6.140 | 6.125 | USD 1,139 | 11.81 |
| 2025-06-11 | BUY | 188 | 5.100 | 5.390 | 5.361 | USD 1,008 | 12.28 |
| 2025-06-10 | BUY | 188 | 5.260 | 5.450 | 5.431 | USD 1,021 | 12.33 |
| 2025-06-04 | SELL | -94 | 4.880 | 4.880 | 4.880 | USD -459 | 12.55 Profit of 721 on sale |
| 2025-04-23 | BUY | 92 | 9.590 | 10.070 | 10.022 | USD 922 | 14.18 |
| 2025-04-10 | SELL | -736 | 9.690 | 10.155 | 10.108 | USD -7,440 | 14.65 Profit of 3,341 on sale |
| 2025-04-08 | SELL | -91 | 10.480 | 11.500 | 11.398 | USD -1,037 | 14.75 Profit of 305 on sale |
| 2025-04-07 | SELL | -91 | 10.840 | 11.280 | 11.236 | USD -1,022 | 14.79 Profit of 324 on sale |
| 2025-04-04 | SELL | -460 | 10.860 | 11.370 | 11.319 | USD -5,207 | 14.84 Profit of 1,619 on sale |
| 2025-04-01 | BUY | 376 | 11.740 | 12.448 | 12.377 | USD 4,654 | 14.91 |
| 2025-03-31 | SELL | -276 | 12.375 | 12.705 | 12.672 | USD -3,497 | 14.94 Profit of 626 on sale |
| 2025-03-21 | BUY | 1,757 | 12.970 | 12.990 | 12.988 | USD 22,820 | 15.09 |
| 2025-03-14 | SELL | -1,392 | 13.740 | 14.340 | 14.280 | USD -19,878 | 15.22 Profit of 1,305 on sale |
| 2025-03-07 | SELL | -172 | 15.270 | 15.626 | 15.590 | USD -2,682 | 15.29 Loss of -52 on sale |
| 2025-03-04 | SELL | -86 | 15.060 | 15.510 | 15.465 | USD -1,330 | 15.30 Loss of -14 on sale |
| 2025-02-25 | BUY | 174 | 14.630 | 15.390 | 15.314 | USD 2,665 | 15.33 |
| 2025-02-19 | SELL | -86 | 14.980 | 15.075 | 15.065 | USD -1,296 | 15.34 Profit of 24 on sale |
| 2025-02-13 | BUY | 258 | 13.890 | 13.920 | 13.917 | USD 3,591 | 15.44 |
| 2025-02-12 | BUY | 86 | 13.820 | 13.920 | 13.910 | USD 1,196 | 15.48 |
| 2025-02-11 | BUY | 344 | 13.790 | 14.110 | 14.078 | USD 4,843 | 15.51 |
| 2024-12-30 | SELL | -2,757 | 14.880 | 15.250 | 15.213 | USD -41,942 | 15.85 Profit of 1,743 on sale |
| 2024-11-18 | SELL | -1,383 | 13.510 | 14.155 | 14.090 | USD -19,487 | 17.07 Profit of 4,115 on sale |
| 2024-11-08 | SELL | -92 | 17.700 | 17.920 | 17.898 | USD -1,647 | 17.00 Loss of -83 on sale |
| 2024-10-21 | SELL | -93 | 16.500 | 17.030 | 16.977 | USD -1,579 | 0.00 Loss of -1,579 on sale |
* (if shown) = market close price used not a projected price. This is used when we do not have market data available to calculate a projection
The likely trade price/value is our estimate on the likely price the trade took place at and is not the actual trade price. The likely LOSS/GAIN is our estimate. Where a profit/loss value is shown in the Likely Trade Value column, this is derived from matching trades between periods eg the most recent previous BUY is matched with the SELL for the same number of shares and the difference between the likely BUY price and likely SELL price is calculated. Where a profit or loss is shown in the Average Price of Previous Trades column, this is dervied using the likely trade price compared to the average of previous trades based on adjusted close
| Date | Shorted Volume | Short Exempt Volume | Total Shares Traded | % Shorted |
|---|---|---|---|---|
| 2025-09-19 | 108,317 | 0 | 182,193 | 59.5% |
| 2025-09-18 | 65,546 | 0 | 159,084 | 41.2% |
| 2025-09-17 | 88,134 | 851 | 183,394 | 48.1% |
| 2025-09-16 | 56,737 | 0 | 121,371 | 46.7% |
| 2025-09-15 | 120,935 | 188 | 321,912 | 37.6% |
| 2025-09-12 | 79,607 | 0 | 177,443 | 44.9% |
| 2025-09-11 | 95,374 | 0 | 287,701 | 33.2% |
| 2025-09-10 | 56,286 | 0 | 176,090 | 32.0% |
| 2025-09-09 | 102,797 | 200 | 405,123 | 25.4% |
| 2025-09-08 | 80,759 | 0 | 241,854 | 33.4% |
| 2025-09-05 | 79,474 | 0 | 527,641 | 15.1% |
| 2025-09-04 | 129,893 | 0 | 344,758 | 37.7% |
| 2025-09-03 | 101,066 | 0 | 507,349 | 19.9% |
| 2025-09-02 | 79,773 | 0 | 480,125 | 16.6% |
| 2025-08-29 | 137,287 | 0 | 380,237 | 36.1% |
| 2025-08-28 | 251,364 | 27,779 | 681,662 | 36.9% |
| 2025-08-27 | 82,656 | 202 | 371,975 | 22.2% |
| 2025-08-26 | 63,219 | 3,211 | 241,516 | 26.2% |
| 2025-08-25 | 87,291 | 0 | 233,972 | 37.3% |
| 2025-08-22 | 76,154 | 0 | 487,311 | 15.6% |
| 2025-08-21 | 82,600 | 0 | 393,335 | 21.0% |
| 2025-08-20 | 56,409 | 0 | 225,104 | 25.1% |
| 2025-08-19 | 89,014 | 0 | 357,093 | 24.9% |
| 2025-08-18 | 107,597 | 0 | 529,225 | 20.3% |
| 2025-08-15 | 70,415 | 0 | 445,981 | 15.8% |
| 2025-08-14 | 52,592 | 0 | 203,477 | 25.8% |
| 2025-08-13 | 92,668 | 0 | 629,887 | 14.7% |
| 2025-08-12 | 111,527 | 13,821 | 344,144 | 32.4% |
| 2025-08-11 | 110,199 | 0 | 376,933 | 29.2% |
| 2025-08-08 | 155,275 | 0 | 374,244 | 41.5% |
| 2025-08-07 | 120,943 | 0 | 251,069 | 48.2% |
| 2025-08-06 | 339,649 | 17,356 | 1,549,642 | 21.9% |
| 2025-08-05 | 251,734 | 19,116 | 638,388 | 39.4% |
| 2025-08-04 | 113,265 | 64 | 364,144 | 31.1% |
| 2025-08-01 | 130,044 | 79 | 324,253 | 40.1% |
| 2025-07-31 | 132,258 | 534 | 337,231 | 39.2% |
| 2025-07-30 | 179,589 | 6,037 | 653,059 | 27.5% |
| 2025-07-29 | 148,926 | 111 | 328,232 | 45.4% |
| 2025-07-28 | 110,097 | 0 | 308,965 | 35.6% |
| 2025-07-25 | 105,656 | 0 | 379,134 | 27.9% |
| 2025-07-24 | 83,156 | 0 | 295,010 | 28.2% |
| 2025-07-23 | 106,109 | 0 | 341,012 | 31.1% |
| 2025-07-22 | 73,032 | 0 | 249,701 | 29.2% |
| 2025-07-21 | 119,040 | 0 | 249,418 | 47.7% |
| 2025-07-18 | 124,704 | 0 | 299,018 | 41.7% |
The data here is derived from FINRA daily shorted trade data. The Daily Short Sale Volume is the total volume of short trades that meet certain criteria on each trade date by 6 PM ET on the trade date. The detail trade data is derived from the monthly shorted trade data which will differ in aggregate. The detail trade data is derived from the transaction level data and includes ALL trades (including exempt) and the aggregation period extends beyond 6pm.
Note: All information is provided as is without warranty and should be used for indicative purposes only. You should independently check data before making any investment decision. This information is derived from third party sources and we cannot guarantee that their data is current, accurate, complete, free from defects etc and we therefore accept no responsibility for how it may be used. We accept no liability.
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