Lumentum Holdings Inc. short interest
Short interest in Lumentum Holdings Inc. was 7.1 million shares at the 31 August 2026 settlement, down 2.0% on the previous settlement, with 1.72 days to cover at an average daily volume of 4.1 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 7,122,028 | -2.0% | 4,143,406 | 1.72 |
| 14 August 2026 | 7,270,171 | -15.0% | 5,595,730 | 1.30 |
| 31 July 2026 | 8,551,325 | -2.7% | 4,557,805 | 1.88 |
| 15 July 2026 | 8,784,876 | -9.0% | 3,991,219 | 2.20 |
| 30 June 2026 | 9,655,854 | +3.9% | 5,863,865 | 1.65 |
| 15 June 2026 | 9,294,742 | -9.1% | 6,207,685 | 1.50 |
| 29 May 2026 | 10,223,904 | +11.7% | 5,296,411 | 1.93 |
| 15 May 2026 | 9,154,609 | -2.9% | 6,812,489 | 1.34 |
| 30 April 2026 | 9,431,673 | +5.8% | 4,997,972 | 1.89 |
| 15 April 2026 | 8,914,792 | -22.3% | 6,433,771 | 1.39 |
| 31 March 2026 | 11,473,984 | -0.1% | 8,060,755 | 1.42 |
| 13 March 2026 | 11,488,784 | +5.4% | 6,366,625 | 1.80 |
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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