Taiwan Semiconductor Manufacturing Co Ltd
TSMWF- Exchange
- OTC
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001046179
In the last 90 days, Taiwan Semiconductor Manufacturing Co Ltd insiders filed 64 open-market purchases and 0 sales; 1 institution reported holding it in 13F filings for Q2 2026, worth $1.13M in total; no superinvestor holds it.
Other share classesTSM
Four kinds of short-selling data, each measuring something different:
- Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
- Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
- Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
- ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.
More in the glossary.
Short interest
Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.
- Short interest
- 2.78K
- Shares, settlement Oct 15, 2026
- Change
- 0
- 0.0% vs. Sep 30, 2026
- Days to cover
- > 999
- Above FINRA's cap of 999.99 days
- Average daily volume
- 0
- Shares, as reported by FINRA
| Settlement date | Short interest | Change | Change % | Avg. daily volume | Days to cover |
|---|---|---|---|---|---|
| Oct 15, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Sep 30, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Sep 15, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Aug 31, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Aug 14, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Jul 31, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Jul 15, 2026 | 2.78K | 0 | 0.0% | 0 | > 999 |
| Jun 30, 2026 | 2.78K | +158 | +6.0% | 0 | > 999 |
| Jun 15, 2026 | 2.62K | 0 | 0.0% | 0 | > 999 |
| May 29, 2026 | 2.62K | 0 | 0.0% | 0 | > 999 |
| May 15, 2026 | 2.62K | 0 | 0.0% | 0 | > 999 |
| Apr 30, 2026 | 2.62K | 0 | 0.0% | 0 | > 999 |
| Apr 15, 2026 | 2.62K | 0 | 0.0% | 0 | > 999 |
| Mar 31, 2026 | 2.62K | +464 | +21.5% | 993.0K | 1.00 |
| Mar 13, 2026 | 2.16K | 0 | 0.0% | 0 | > 999 |
| Feb 27, 2026 | 2.16K | 0 | 0.0% | 62 | 34.77 |
| Feb 13, 2026 | 2.16K | 0 | 0.0% | 0 | > 999 |
| Jan 30, 2026 | 2.16K | 0 | 0.0% | 100 | 21.56 |
| Jan 15, 2026 | 2.16K | 0 | 0.0% | 100 | 21.56 |
| Dec 31, 2025 | 2.16K | 0 | 0.0% | 0 | > 999 |
| Dec 15, 2025 | 2.16K | 0 | 0.0% | 46 | 46.87 |
| Nov 28, 2025 | 2.16K | 0 | 0.0% | 333 | 6.47 |
| Nov 14, 2025 | 2.16K | 0 | 0.0% | 0 | > 999 |
| Oct 31, 2025 | 2.16K | 0 | 0.0% | 0 | > 999 |
| Oct 15, 2025 | 2.16K | 0 | 0.0% | 182 | 11.85 |
| Sep 30, 2025 | 2.16K | −60 | −2.7% | 0 | > 999 |
| Sep 15, 2025 | 2.22K | 0 | 0.0% | 38.0K | 1.00 |
| Aug 29, 2025 | 2.22K | 0 | 0.0% | 0 | > 999 |
| Aug 15, 2025 | 2.22K | 0 | 0.0% | 0 | > 999 |
| Jul 31, 2025 | 2.22K | 0 | 0.0% | 86 | 25.77 |
| Jul 15, 2025 | 2.22K | 0 | 0.0% | 1.43K | 1.55 |
| Jun 30, 2025 | 2.22K | 0 | 0.0% | 0 | > 999 |
| Jun 13, 2025 | 2.22K | 0 | 0.0% | 54.5K | 1.00 |
| May 30, 2025 | 2.22K | 0 | 0.0% | 51.1K | 1.00 |
| May 15, 2025 | 2.22K | 0 | 0.0% | 407.1K | 1.00 |
| Apr 30, 2025 | 2.22K | 0 | 0.0% | 51.5K | 1.00 |
| Apr 15, 2025 | 2.22K | +2.00K | +925.9% | 0 | > 999 |
| Mar 31, 2025 | 216 | 0 | 0.0% | 9.09K | 1.00 |
| Mar 14, 2025 | 216 | 0 | 0.0% | 0 | > 999 |
| Feb 28, 2025 | 216 | 0 | 0.0% | 0 | > 999 |
| Feb 14, 2025 | 216 | 0 | 0.0% | 0 | > 999 |
| Jan 31, 2025 | 216 | 0 | 0.0% | 0 | > 999 |
| Jan 15, 2025 | 216 | +156 | +260.0% | 0 | > 999 |
| Dec 31, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
| Dec 13, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
| Nov 29, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
| Nov 15, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
| Oct 31, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
| Oct 15, 2024 | 60 | 0 | 0.0% | 0 | > 999 |
Fails-to-deliver
Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.
The SEC has reported no fails-to-deliver for TSMWF.
Daily short volume
Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.
The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.
FINRA has reported no daily short volume for TSMWF in the last two years.
ATS (dark pool) volume
Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.
| Week of | Tier | ATS shares | ATS trades | Other OTC shares | Other OTC trades | ATS share |
|---|---|---|---|---|---|---|
| Mar 23, 2026 | OTCE | – | – | 11,915,000 | 24 | – |
| Mar 16, 2026 | OTCE | – | – | 1,000 | 1 | – |
| Feb 23, 2026 | OTCE | – | – | 555 | 1 | – |
| Jan 26, 2026 | OTCE | – | – | 1,000 | 1 | – |
| Jan 5, 2026 | OTCE | – | – | 1,000 | 1 | – |
| Dec 8, 2025 | OTCE | – | – | 507 | 1 | – |
| Nov 17, 2025 | OTCE | – | – | 3,000 | 1 | – |
| Oct 6, 2025 | OTCE | – | – | 2,000 | 1 | – |
| Sep 8, 2025 | OTCE | – | – | 380,000 | 1 | – |
| Jul 14, 2025 | OTCE | – | – | 1,032 | 1 | – |
| Jun 30, 2025 | OTCE | – | – | 14,313 | 1 | – |
| Jun 2, 2025 | OTCE | – | – | 545,000 | 2 | – |