Institutional Ownership
Rapid Micro Biosystems Inc
CUSIP 75340L104CLASS A COMRPIDQ1 2026
Shares Short
842.3K
As of Jul 15, 2026
Days to Cover
3.19
Short shares ÷ avg daily volume
Change vs Prior
+14.1%
vs previous settlement
Avg Daily Volume
264.2K
FINRA reported ADV
Short Interest History
17 settlements on record · FINRA consolidated
Higher short interest is bearish: increases show red, decreases green.
| Settlement | Shares Short | Prior | Change | Avg Daily Vol | Days to Cover |
|---|---|---|---|---|---|
| Jul 15, 2026 | 842.3K | 738.5K | +14.1% | 264.2K | 3.19 |
| Jun 30, 2026 | 738.5K | 614.0K | +20.3% | 199.8K | 3.70 |
| Jun 15, 2026 | 614.0K | 748.4K | -18.0% | 126.3K | 4.86 |
| May 29, 2026 | 748.4K | 659.8K | +13.4% | 191.6K | 3.91 |
| May 15, 2026 | 659.8K | 808.9K | -18.4% | 127.8K | 5.16 |
| Apr 30, 2026 | 808.9K | 543.9K | +48.7% | 193.3K | 4.18 |
| Apr 15, 2026 | 543.9K | 377.5K | +44.1% | 185.2K | 2.94 |
| Mar 31, 2026 | 377.5K | 317.4K | +18.9% | 277.0K | 1.36 |
| Mar 13, 2026 | 317.4K | 216.9K | +46.4% | 235.2K | 1.35 |
| Feb 27, 2026 | 216.9K | 177.6K | +22.1% | 100.6K | 2.16 |
| Feb 13, 2026 | 177.6K | 166.1K | +6.9% | 226.0K | 1.00 |
| Jan 30, 2026 | 166.1K | 178.6K | -7.0% | 426.2K | 1.00 |