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LBRX · Lb Pharmaceuticals Inc

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$49.34 +1.82 (+3.83%) At close · Sep 4
Russell 2000 member Rebalance outlook locked
Market Cap
$1.51B
Shares
32.26M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

LBRX Latest Reported Short Interest

FINRA reported 5,156,413 LBRX shares sold short as of the August 14, 2026 settlement date, an increase of 409,556 shares. Days to cover was 12.38 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

LBRX Short Interest Forecast

Equibles' model estimates 5,237,838 shares sold short for the August 31, 2026 settlement, +1.6% versus the latest reported position, with a likely range of 4,860,170 to 5,609,168 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 Low confidence 53% chance it falls
5,237,838 +1.6% vs reported
Likely range 4,860,170 to 5,609,168 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
83/100
Short interest 16.0% of shares — P96 Days to cover 12.4 — P93 Price vs VWAP +28.8% — P97 Short-volume trend +7.3% — P75 Short interest change +8.6% — P74 Worst FTD 0.00% of shares — P24

Peer-relative percentile rank across all listed securities reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 5,156,413 4,746,857 +409,556 12.38
    2026-07-31 4,746,857 4,260,793 +486,064 12.80
    2026-07-15 4,260,793 4,550,288 -289,495 17.59
    2026-06-30 4,550,288 4,302,626 +247,662 9.78
    2026-06-15 4,302,626 4,015,182 +287,444 24.75
    2026-05-29 4,015,182 4,018,158 -2,976 21.81
    2026-05-15 4,018,158 3,799,720 +218,438 31.18
    2026-04-30 3,799,720 3,110,447 +689,273 14.77
    2026-04-15 3,110,447 2,621,739 +488,708 8.80
    2026-03-31 2,621,739 2,713,021 -91,282 9.53
    2026-03-13 2,713,021 2,615,602 +97,419 12.48
    2026-02-27 2,615,602 2,199,776 +415,826 12.27
    2026-02-13 2,199,776 1,804,088 +395,688 12.35
    2026-01-30 1,804,088 1,790,725 +13,363 10.12
    2026-01-15 1,790,725 1,833,981 -43,256 6.94
    2025-12-31 1,833,981 464,576 +1,369,405 2.70
    2025-12-15 464,576 242,536 +222,040 1.71
    2025-11-28 242,536 249,832 -7,296 1.75
    2025-11-14 249,832 223,012 +26,820 2.29
    2025-10-31 223,012 276,214 -53,202 2.86
    2025-10-15 276,214 198,541 +77,673 1.16
    2025-09-30 198,541 126,558 +71,983 1.34
    2025-09-15 126,558 0 +126,558 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1691082 CUSIP 50180M108 13F (30d) 99 filings 99 filers Visit website Investor relations