PTCT · Ptc Therapeutics, Inc.
$69.30
-2.10 (-2.94%)
At close · Sep 4
View the 10-K filed Feb 19, 2026
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
$5.96B
Shares
83.46M
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 % |
|---|---|---|---|---|
| 2026-09-04 | 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% |
| 2026-08-10 | 185,537 | 0 | 280,969 | 66.0% |
| 2026-08-07 | 248,925 | 0 | 380,154 | 65.5% |
| 2026-08-06 | 254,746 | 0 | 383,028 | 66.5% |
| 2026-08-05 | 259,808 | 0 | 471,351 | 55.1% |
| 2026-08-04 | 281,564 | 0 | 615,133 | 45.8% |
| 2026-08-03 | 272,054 | 3,573 | 582,512 | 46.7% |
| 2026-07-31 | 1,168,782 | 13,704 | 2,108,571 | 55.4% |
| 2026-07-30 | 295,955 | 0 | 540,551 | 54.8% |
| 2026-07-29 | 196,736 | 0 | 294,444 | 66.8% |
| 2026-07-28 | 330,028 | 14 | 773,991 | 42.6% |
| 2026-07-27 | 217,197 | 0 | 520,600 | 41.7% |
| 2026-07-24 | 165,741 | 1,626 | 328,237 | 50.5% |
| 2026-07-23 | 120,447 | 595 | 273,660 | 44.0% |
| 2026-07-22 | 144,016 | 36 | 196,142 | 73.4% |
| 2026-07-21 | 221,905 | 0 | 479,862 | 46.2% |
| 2026-07-20 | 312,116 | 0 | 397,437 | 78.5% |
| 2026-07-17 | 181,266 | 0 | 300,172 | 60.4% |
| 2026-07-16 | 165,336 | 0 | 262,393 | 63.0% |
| 2026-07-15 | 256,297 | 159 | 364,056 | 70.4% |
| 2026-07-14 | 540,497 | 0 | 632,673 | 85.4% |
| 2026-07-13 | 183,362 | 1,920 | 317,855 | 57.7% |
| 2026-07-10 | 260,932 | 0 | 395,298 | 66.0% |
| 2026-07-09 | 259,541 | 0 | 443,108 | 58.6% |
| 2026-07-08 | 305,232 | 0 | 433,841 | 70.4% |
| 2026-07-07 | 388,001 | 0 | 550,775 | 70.4% |
| 2026-07-06 | 446,471 | 0 | 633,873 | 70.4% |
| 2026-07-02 | 421,891 | 0 | 549,433 | 76.8% |
| 2026-07-01 | 394,452 | 363 | 542,867 | 72.7% |
| 2026-06-30 | 707,951 | 80 | 859,925 | 82.3% |
| 2026-06-29 | 1,531,302 | 42,961 | 1,861,246 | 82.3% |
| 2026-06-26 | 566,168 | 114 | 697,693 | 81.1% |
Showing 1–50 of 64 days
Key facts
CIK
1070081
CUSIP
69366J200
13F (30d)
271 filings
263 filers
Visit website
Investor relations