Lam Research Corp. short interest
Short interest in Lam Research Corp. was 27.8 million shares at the 31 August 2026 settlement, down 2.4% on the previous settlement, with 3.79 days to cover at an average daily volume of 7.3 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 27,751,158 | -2.4% | 7,312,752 | 3.79 |
| 14 August 2026 | 28,419,138 | +5.4% | 8,678,868 | 3.27 |
| 31 July 2026 | 26,963,996 | -8.7% | 12,158,330 | 2.22 |
| 15 July 2026 | 29,520,485 | +4.3% | 12,261,057 | 2.41 |
| 30 June 2026 | 28,314,664 | -5.2% | 15,403,932 | 1.84 |
| 15 June 2026 | 29,877,317 | -6.8% | 11,187,375 | 2.67 |
| 29 May 2026 | 32,072,543 | -2.6% | 8,805,425 | 3.64 |
| 15 May 2026 | 32,918,359 | +15.3% | 9,267,681 | 3.55 |
| 30 April 2026 | 28,556,454 | +9.6% | 9,347,516 | 3.05 |
| 15 April 2026 | 26,059,416 | -6.8% | 8,576,527 | 3.04 |
| 31 March 2026 | 27,966,572 | +3.8% | 11,454,429 | 2.44 |
| 13 March 2026 | 26,933,774 | +3.2% | 10,381,271 | 2.59 |
FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.
Source
FINRA equity short interest data, the public dataset.
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