PTCT · Ptc Therapeutics, Inc. · Short Volume
$62.90
-0.02 (-0.03%)
At close · Oct 21
View the 10-K filed Feb 19, 2026
Return incl. dividend (before tax)
Customer concentration
— top 4 customers 10% of revenue
4 customers — 10% of revenue (2025)
“During 2025, four of our distributors each accounted for over 10% of our net product sales.”
Market Cap
$5.14B
Shares
83.46M
Volume · Oct 20
965.8K
Avg daily vol (3M)
1.12M
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-10-20 | 151,458 | 0 | 308,624 | 49.1% |
| 2026-10-19 | 127,347 | 0 | 379,355 | 33.6% |
| 2026-10-16 | 183,391 | 0 | 284,416 | 64.5% |
| 2026-10-15 | 180,294 | 0 | 343,917 | 52.4% |
| 2026-10-14 | 249,712 | 0 | 662,238 | 37.7% |
| 2026-10-13 | 125,071 | 0 | 340,654 | 36.7% |
| 2026-10-12 | 145,685 | 0 | 263,902 | 55.2% |
| 2026-10-09 | 247,682 | 0 | 610,980 | 40.5% |
| 2026-10-08 | 353,016 | 0 | 576,998 | 61.2% |
| 2026-10-07 | 113,229 | 0 | 418,165 | 27.1% |
| 2026-10-06 | 173,428 | 0 | 375,325 | 46.2% |
| 2026-10-05 | 151,600 | 898 | 389,371 | 38.9% |
| 2026-10-02 | 136,164 | 0 | 387,573 | 35.1% |
| 2026-10-01 | 245,574 | 0 | 448,707 | 54.7% |
| 2026-09-30 | 109,972 | 0 | 263,790 | 41.7% |
| 2026-09-29 | 195,566 | 0 | 368,398 | 53.1% |
| 2026-09-28 | 233,868 | 0 | 827,153 | 28.3% |
| 2026-09-25 | 225,237 | 0 | 499,761 | 45.1% |
| 2026-09-24 | 224,604 | 0 | 699,112 | 32.1% |
| 2026-09-23 | 214,837 | 0 | 385,523 | 55.7% |
| 2026-09-22 | 169,137 | 0 | 496,506 | 34.1% |
| 2026-09-21 | 184,728 | 0 | 423,837 | 43.6% |
| 2026-09-18 | 174,747 | 207 | 331,130 | 52.8% |
| 2026-09-17 | 324,529 | 0 | 481,656 | 67.4% |
| 2026-09-16 | 309,999 | 0 | 640,961 | 48.4% |
| 2026-09-15 | 232,189 | 5 | 382,566 | 60.7% |
| 2026-09-14 | 200,878 | 0 | 412,052 | 48.8% |
| 2026-09-11 | 187,015 | 0 | 358,367 | 52.2% |
| 2026-09-10 | 197,702 | 20 | 299,497 | 66.0% |
| 2026-09-09 | 190,874 | 0 | 347,173 | 55.0% |
| 2026-09-08 | 215,132 | 0 | 319,013 | 67.4% |
| 2026-09-04 | 139,341 | 0 | 207,434 | 67.2% |
| 2026-09-03 | 151,916 | 0 | 217,183 | 69.9% |
| 2026-09-02 | 172,512 | 0 | 316,827 | 54.4% |
| 2026-09-01 | 103,822 | 326 | 187,207 | 55.5% |
| 2026-08-31 | 193,130 | 0 | 260,229 | 74.2% |
| 2026-08-28 | 146,559 | 0 | 237,855 | 61.6% |
| 2026-08-27 | 168,336 | 0 | 254,827 | 66.1% |
| 2026-08-26 | 124,815 | 0 | 179,038 | 69.7% |
| 2026-08-25 | 98,365 | 0 | 188,590 | 52.2% |
| 2026-08-24 | 181,232 | 0 | 363,756 | 49.8% |
| 2026-08-21 | 97,536 | 9,740 | 178,329 | 54.7% |
| 2026-08-20 | 159,168 | 60 | 320,118 | 49.7% |
| 2026-08-19 | 272,966 | 0 | 712,729 | 38.3% |
| 2026-08-18 | 149,533 | 0 | 328,560 | 45.5% |
| 2026-08-17 | 125,706 | 0 | 189,849 | 66.2% |
| 2026-08-14 | 99,564 | 0 | 148,095 | 67.2% |
| 2026-08-13 | 149,501 | 0 | 215,593 | 69.3% |
| 2026-08-12 | 146,134 | 0 | 320,152 | 45.6% |
| 2026-08-11 | 238,483 | 0 | 323,970 | 73.6% |
Showing 1–50 of 65 days
Key facts
CIK
1070081
CUSIP
69366J200
13F (30d)
37 filings
36 filers
Visit website
Investor relations