LBRX
LB Pharmaceuticals Inc Common Stock
stockNASDAQ
Market OpenOct 5, 2026 1:30:09 PM EDT
35.79USD-3.296%(-1.22)171,629
35.62Bid41.08Ask5.46SpreadPre-marketOct 5, 2026 9:27:59 AM EDT
35.92USD-2.945%(-1.09)
As of 2026-09-15, there were 5,617,182 shares short with a short interest of 27.05%.
LBRX Short Interest - Official
Short Interest
LBRX Short Position Change - Official
Short Position Change
LBRX Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 27.05 | 5,617,182 | 21.45 | +338,653 | +6.42 | 32,259,175 | 20,764,936 |
| 2026-08-31 | 25.42 | 5,278,529 | 19.89 | +122,116 | +2.37 | 32,259,175 | 20,764,936 |
| 2026-08-14 | 24.83 | 5,156,413 | 12.38 | +409,556 | +8.63 | 32,259,175 | 20,764,936 |
| 2026-07-31 | 22.86 | 4,746,857 | 12.80 | +486,064 | +11.41 | 28,676,652 | 20,764,936 |
| 2026-07-15 | 20.52 | 4,260,793 | 17.59 | -289,495 | -6.36 | 28,676,652 | 20,764,936 |
| 2026-06-30 | 21.91 | 4,550,288 | 9.78 | +247,662 | +5.76 | 28,676,652 | 20,764,936 |
| 2026-06-15 | 20.72 | 4,302,626 | 24.75 | +284,468 | +7.08 | 28,676,652 | 20,764,936 |
| 2026-05-15 | 18.86 | 4,018,158 | 31.18 | +218,438 | +5.75 | 28,676,652 | 21,308,158 |
| 2026-04-30 | 20.21 | 3,799,720 | 14.77 | +689,273 | +22.16 | 28,675,637 | 18,798,473 |
| 2026-04-15 | 16.55 | 3,110,447 | 8.80 | +488,708 | +18.64 | 28,674,827 | 18,798,473 |
| 2026-03-31 | 13.95 | 2,621,739 | 9.53 | -91,282 | -3.36 | 28,674,827 | 18,798,473 |
| 2026-03-13 | 14.43 | 2,713,021 | 12.48 | +97,419 | +3.72 | 25,299,102 | 18,798,473 |
| 2026-02-27 | 13.91 | 2,615,602 | 12.27 | +415,826 | +18.90 | 25,299,102 | 18,798,473 |
| 2026-02-13 | 11.70 | 2,199,776 | 12.35 | +395,688 | +21.93 | 25,299,102 | 18,798,473 |
| 2026-01-30 | 9.60 | 1,804,088 | 10.12 | +13,363 | +0.75 | 25,299,102 | 18,798,473 |
| 2026-01-15 | 9.53 | 1,790,725 | 6.94 | -43,256 | -2.36 | 25,299,102 | 18,798,473 |
| 2025-12-31 | 9.76 | 1,833,981 | 2.70 | +1,369,405 | +294.76 | 25,299,102 | 18,798,473 |
| 2025-12-15 | 226.19 | 464,576 | 1.71 | +222,040 | +91.55 | 25,299,102 | 205,389 |
| 2025-11-28 | 118.09 | 242,536 | 1.75 | -7,296 | -2.92 | 25,299,102 | 205,389 |
| 2025-11-14 | 121.64 | 249,832 | 2.29 | +26,820 | +12.03 | 25,299,102 | 205,389 |
| 2025-10-31 | 122.40 | 223,012 | 2.86 | -53,202 | -19.26 | 22,442,989 | 182,202 |
| 2025-10-15 | 151.60 | 276,214 | 1.16 | +77,673 | +39.12 | 22,442,989 | 182,202 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.