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BBIO · BridgeBio Pharma, Inc. · Short Interest

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$74.29 +0.02 (+0.03%) At close · Nov 6 Play latest call Q3 2026 earnings call transcript
Russell 1000 member Rebalance outlook locked
Market Cap
$14.47B
Shares
194.80M
Volume · Nov 6 3.16M Avg daily vol (3M) 2.7M

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

Pull short interest history through the short interest API or MCP →

BBIO Latest Reported Short Interest

FINRA reported 19,997,556 BBIO shares sold short as of the October 15, 2026 settlement date, an increase of 326,264 shares. Days to cover was 7.68 based on FINRA's reported average daily volume.

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

BBIO Short Interest Forecast

Equibles' model estimates 21,512,789 shares sold short for the October 30, 2026 settlement, +7.6% versus the latest reported position, with a likely range of 19,381,674 to 24,110,752 shares. This model prediction uses FINRA data through October 30, 2026; FINRA's official release is expected November 10, 2026.

Model estimate

Expected Oct 30 short interest

as of Oct 30 High confidence 72% chance it rises
21,512,789 +7.6% vs reported
Likely range 19,381,674 to 24,110,752 The latest estimate appears in the chart below. Official release expected Nov 10. Methodology
Short Squeeze Score
75/100
Short interest 10.3% of shares — P89 Days to cover 7.7 — P83 Price vs VWAP +3.1% — P79 Short-volume trend +0.0% — P51 Short interest change +1.7% — P58 Worst FTD 0.03% of shares — P65

Positioning score 75.0 + catalyst boost 0 (total capped at 100). This is a screening index, not a probability of a squeeze.

Method and coverage limits

Factor percentiles compare eligible primary operating-company stocks reporting short interest at the latest settlement date (2026-10-15). The weighted mean uses short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, and fails-to-deliver 10%. Missing factors redistribute their weight; incomplete coverage is not evidence of low risk. Price, volume, and earnings boosts add 10 each, capped at 20.

Shares outstanding are not free float. Borrow fees, utilization, lendable supply, recalls, and dealer inventory are not measured. Short-sale volume does not measure the change in open shorts; fails to deliver are not a borrow-cost measurement; price vs VWAP does not establish short sellers' entry prices. Earnings can move prices in either direction.

The weights are judgment-based, not calibrated to future squeeze outcomes. The separate options assessment below does not change this universe ranking.

Options positioning & squeeze sensitivity

Nearest expiration after today within 30 calendar days; same-day expirations and later maturities are excluded.

Open interest is incomplete, stale, or dated inconsistently; positioning totals are unavailable.

Open interest has both a buyer and a seller; it does not reveal dealer hedge direction. Gross gamma sums both calls and puts without netting and uses a local 1% price-change approximation. It measures sensitivity, not predicted buying or a squeeze probability.

Assessment prepared 2026-11-07 07:01 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 19,997,556 19,671,292 +326,264 7.68
    2026-09-30 19,671,292 21,549,349 -1,878,057 5.85
    2026-09-15 21,549,349 21,845,899 -296,550 10.54
    2026-08-31 21,845,899 23,324,059 -1,478,160 11.18
    2026-08-14 23,324,059 23,342,623 -18,564 10.79
    2026-07-31 23,342,623 25,750,649 -2,408,026 11.50
    2026-07-15 25,750,649 24,102,938 +1,647,711 5.38
    2026-06-30 24,102,938 25,415,150 -1,312,212 4.51
    2026-06-15 25,415,150 24,391,359 +1,023,791 8.57
    2026-05-29 24,391,359 24,163,037 +228,322 9.60
    2026-05-15 24,163,037 24,026,982 +136,055 8.73
    2026-04-30 24,026,982 22,676,856 +1,350,126 7.59
    2026-04-15 22,676,856 23,366,752 -689,896 13.68
    2026-03-31 23,366,752 23,505,637 -138,885 14.73
    2026-03-13 23,505,637 21,964,843 +1,540,794 8.95
    2026-02-27 21,964,843 21,167,249 +797,594 6.98
    2026-02-13 21,167,249 19,980,855 +1,186,394 5.65
    2026-01-30 19,980,855 18,370,031 +1,610,824 7.14
    2026-01-15 18,370,031 17,211,114 +1,158,917 5.91
    2025-12-31 17,211,114 18,793,079 -1,581,965 10.19
    2025-12-15 18,793,079 19,381,854 -588,775 10.18
    2025-11-28 19,381,854 20,691,850 -1,309,996 8.49
    2025-11-14 20,691,850 19,566,757 +1,125,093 9.95

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1743881 CUSIP 10806X102 13F (30d) 209 filings 184 filers Visit website Investor relations