RBRK Short Interest (August 31, 2026 Update)
Short interest for RBRK was 15.2M as of August 31, 2026, +1.7% from the prior report.
This page tracks RBRK short interest over time, including historical values, changes between reports, and days to cover.
Rubrik, Inc. | RBRK | NYSE | Latest report: August 31, 2026
At the latest settlement date of August 31, 2026, Rubrik, Inc. (RBRK) showed reported short interest of 15,226,391 shares. That compared with 14,973,029 shares in the prior report, a change of 253.4K shares, or +1.7%. The latest reported days to cover was 3.62, based on average daily volume of 4.2M.
The historical data currently tracked for RBRK includes 55 reported entries from April 30, 2024 to August 31, 2026. Over that span, reported short interest has ranged from 1.2M to 16.0M shares.
Extreme edge-case readings may reflect unusually low reported average volume.
| Settlement Date | Short Interest | Prior Short Interest | Change Shares | Change % | Average Daily Volume | Days to Cover |
|---|---|---|---|---|---|---|
| August 31, 2026 | 15,226,391 | 14,973,029 | 253.4K | +1.7% | 4.2M | 3.62 |
| August 14, 2026 | 14,973,029 | 12,766,557 | 2.2M | +17.3% | 3.6M | 4.21 |
| July 31, 2026 | 12,766,557 | 13,671,392 | -904.8K | -6.6% | 2.0M | 6.26 |
| July 15, 2026 | 13,671,392 | 13,029,558 | 641.8K | +4.9% | 3.4M | 4.06 |
| June 30, 2026 | 13,029,558 | 14,368,276 | -1.3M | -9.3% | 4.0M | 3.23 |
| June 15, 2026 | 14,368,276 | 15,998,613 | -1.6M | -10.2% | 5.5M | 2.61 |
| May 29, 2026 | 15,998,613 | 15,863,024 | 135.6K | +0.8% | 3.5M | 4.52 |
| May 15, 2026 | 15,863,024 | 12,839,603 | 3.0M | +23.6% | 3.1M | 5.12 |
| April 30, 2026 | 12,839,603 | 13,139,233 | -299.6K | -2.3% | 2.9M | 4.41 |
| April 15, 2026 | 13,139,233 | 13,730,073 | -590.8K | -4.3% | 3.8M | 3.46 |
| March 31, 2026 | 13,730,073 | 14,336,377 | -606.3K | -4.2% | 4.7M | 2.91 |
| March 13, 2026 | 14,336,377 | 12,695,788 | 1.6M | +12.9% | 4.4M | 3.24 |
| February 27, 2026 | 12,695,788 | 14,167,128 | -1.5M | -10.4% | 3.0M | 4.27 |
| February 13, 2026 | 14,167,128 | 12,995,477 | 1.2M | +9.0% | 4.9M | 2.92 |
| January 30, 2026 | 12,995,477 | 11,887,564 | 1.1M | +9.3% | 4.6M | 2.81 |
| January 15, 2026 | 11,887,564 | 10,570,263 | 1.3M | +12.5% | 3.0M | 4.03 |
| December 31, 2025 | 10,570,263 | 10,900,159 | -329.9K | -3.0% | 3.5M | 3.06 |
| December 15, 2025 | 10,900,159 | 11,448,039 | -547.9K | -4.8% | 5.4M | 2.01 |
| November 28, 2025 | 11,448,039 | 12,566,710 | -1.1M | -8.9% | 2.1M | 5.58 |
| November 14, 2025 | 12,566,710 | 11,908,186 | 658.5K | +5.5% | 2.0M | 6.27 |
| October 31, 2025 | 11,908,186 | 11,569,941 | 338.2K | +2.9% | 2.9M | 4.04 |
| October 15, 2025 | 11,569,941 | 12,010,856 | -440.9K | -3.7% | 2.8M | 4.15 |
| September 15, 2025 | 10,821,260 | 9,988,072 | 833.2K | +8.3% | 6.5M | 1.66 |
| August 29, 2025 | 9,988,072 | 8,896,404 | 1.1M | +12.3% | 2.4M | 4.23 |
| August 15, 2025 | 8,896,404 | 9,282,229 | -385.8K | -4.2% | 2.7M | 3.26 |
| July 31, 2025 | 9,282,229 | 10,254,018 | -971.8K | -9.5% | 3.3M | 2.83 |
| July 15, 2025 | 10,254,018 | 11,072,560 | -818.5K | -7.4% | 3.7M | 2.81 |
| June 30, 2025 | 11,072,560 | 9,291,620 | 1.8M | +19.2% | 6.3M | 1.76 |
| June 13, 2025 | 9,291,620 | 6,602,189 | 2.7M | +40.7% | 5.1M | 1.82 |
| May 30, 2025 | 6,602,189 | 6,454,379 | 147.8K | +2.3% | 2.4M | 2.71 |
| May 15, 2025 | 6,454,379 | 6,494,418 | -40.0K | -0.6% | 2.5M | 2.58 |
| April 30, 2025 | 6,494,418 | 7,338,708 | -844.3K | -11.5% | 2.4M | 2.76 |
| April 15, 2025 | 7,338,708 | 7,813,187 | -474.5K | -6.1% | 2.9M | 2.53 |
| March 31, 2025 | 7,813,187 | 8,345,654 | -532.5K | -6.4% | 3.2M | 2.42 |
| February 28, 2025 | 8,187,266 | 8,949,217 | -762.0K | -8.5% | 1.9M | 4.28 |
| February 14, 2025 | 8,949,217 | 8,820,618 | 128.6K | +1.5% | 1.8M | 4.89 |
| January 31, 2025 | 8,820,618 | 8,937,227 | -116.6K | -1.3% | 2.1M | 4.15 |
| January 15, 2025 | 8,937,227 | 8,818,984 | 118.2K | +1.3% | 2.4M | 3.68 |
| December 31, 2024 | 8,818,984 | 5,041,342 | 3.8M | +74.9% | 3.7M | 2.41 |
| December 13, 2024 | 5,041,342 | 3,545,973 | 1.5M | +42.2% | 4.6M | 1.09 |
| November 29, 2024 | 3,545,973 | 4,247,016 | -701.0K | -16.5% | 1.1M | 3.1 |
| November 15, 2024 | 4,247,016 | 4,365,748 | -118.7K | -2.7% | 1.1M | 3.72 |
| October 31, 2024 | 4,365,748 | 4,903,996 | -538.2K | -11.0% | 1.5M | 3 |
| October 15, 2024 | 4,903,996 | 5,458,958 | -555.0K | -10.2% | 2.4M | 2.06 |
| September 30, 2024 | 5,458,958 | 5,472,060 | -13.1K | -0.2% | 3.3M | 1.68 |
| September 13, 2024 | 5,472,060 | 5,284,433 | 187.6K | +3.6% | 2.7M | 2.05 |
| August 30, 2024 | 5,284,433 | 3,995,433 | 1.3M | +32.3% | 788.1K | 6.71 |
| August 15, 2024 | 3,995,433 | 4,007,316 | -11.9K | -0.3% | 874.7K | 4.57 |
| July 31, 2024 | 4,007,316 | 4,004,924 | 2.4K | +0.1% | 812.9K | 4.93 |
| July 15, 2024 | 4,004,924 | 4,306,991 | -302.1K | -7.0% | 966.2K | 4.14 |
| June 28, 2024 | 4,306,991 | 3,045,428 | 1.3M | +41.4% | 1.2M | 3.61 |
| June 14, 2024 | 3,045,428 | 1,893,093 | 1.2M | +60.9% | 1.3M | 2.36 |
| May 31, 2024 | 1,893,093 | 1,455,797 | 437.3K | +30.0% | 815.6K | 2.32 |
| May 15, 2024 | 1,455,797 | 1,238,541 | 217.3K | +17.5% | 1.1M | 1.28 |
| April 30, 2024 | 1,238,541 | 0 | 1.2M | +100.0% | 2.8M | 1 |