Arthur J. Gallagher & Co. short interest
Short interest in Arthur J. Gallagher & Co. was 6.7 million shares at the 31 August 2026 settlement, up 14.4% on the previous settlement, with 5.07 days to cover at an average daily volume of 1.3 million shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 6,692,130 | +14.4% | 1,320,576 | 5.07 |
| 14 August 2026 | 5,846,996 | -6.3% | 1,268,520 | 4.61 |
| 31 July 2026 | 6,242,351 | -21.9% | 1,371,362 | 4.55 |
| 15 July 2026 | 7,990,928 | +17.2% | 1,856,609 | 4.30 |
| 30 June 2026 | 6,819,347 | -0.8% | 2,029,981 | 3.36 |
| 15 June 2026 | 6,873,982 | +35.9% | 1,797,435 | 3.82 |
| 29 May 2026 | 5,058,267 | -6.3% | 1,603,219 | 3.16 |
| 15 May 2026 | 5,397,314 | -9.6% | 2,160,748 | 2.50 |
| 30 April 2026 | 5,970,889 | -7.1% | 1,537,297 | 3.88 |
| 15 April 2026 | 6,427,629 | +10.2% | 2,010,353 | 3.20 |
| 31 March 2026 | 5,834,419 | +16.4% | 2,208,234 | 2.64 |
| 13 March 2026 | 5,012,377 | -8.3% | 2,357,397 | 2.13 |
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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