About PureTech Health plc (PRTC) data
Data as of May 15, 2026.
PureTech Health plc (PRTC) has 8.28K shares sold short as of the latest FINRA settlement report on May 15, 2026. Short interest has decreased by 66.25% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 0.35 days (days to cover).
Recent PRTC short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| May 15, 2026 | 8,275 | -66.25% | 1.00 |
| Apr 30, 2026 | 24,521 | 59.74% | 3.58 |
| Apr 15, 2026 | 15,351 | 3.56% | 3.42 |
| Mar 31, 2026 | 14,823 | 30.77% | 4.56 |
| Mar 13, 2026 | 11,335 | 140.81% | 1.96 |
| Feb 27, 2026 | 4,707 | -10.50% | 2.26 |
| Feb 13, 2026 | 5,259 | 36.24% | 2.79 |
| Jan 30, 2026 | 3,860 | -18.77% | 1.19 |
| Jan 15, 2026 | 4,752 | -5.38% | 1.64 |
| Dec 31, 2025 | 5,022 | -10.75% | 7.06 |
| Dec 15, 2025 | 5,627 | -2.83% | 3.36 |
| Nov 28, 2025 | 5,791 | -17.08% | 2.08 |
Full history, charts, and borrow-fee detail are on the PRTC short interest page.
Frequently asked questions
What is the current short interest in PRTC?
As of the latest FINRA settlement dated May 15, 2026, PRTC had approximately 8,275 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short PRTC?
The latest borrow fee (cost to borrow) for PRTC is 14.86% per year, based on IBKR data. Fees can change throughout the trading day as shares are borrowed and returned.
What is the days to cover ratio for PRTC?
Days to cover for PRTC is approximately 0.35 days. This estimates how many trading days it would take short sellers to buy back all outstanding short shares at the current average daily volume.
Is PRTC a short squeeze candidate?
A squeeze needs shorts that are hard to close. PRTC trades about 23,494 shares a day and would take roughly 0.35 days to unwind current short positions, at a current borrow fee of 14.86%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.