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AUTL · Autolus Therapeutics plc · Short Interest

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$1.94 +0.08 (+4.30%) At close · Sep 30
Rebalance outlook locked
Market Cap
$493.73M
Shares
266.16M
Volume · Sep 30 1.16M Avg daily vol (3M) 2.04M

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 →

AUTL Latest Reported Short Interest

FINRA reported 8,325,703 AUTL shares sold short as of the September 15, 2026 settlement date, a decrease of 758,864 shares. Days to cover was 4.83 based on FINRA's reported average daily volume.

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

AUTL Short Interest Forecast

Equibles' model estimates 8,747,343 shares sold short for the September 30, 2026 settlement, +5.1% versus the latest reported position, with a likely range of 7,738,155 to 10,035,425 shares. This model prediction uses FINRA data through September 30, 2026; FINRA's official release is expected October 9, 2026.

Model estimate

Expected Sep 30 short interest

as of Sep 30 High confidence 69% chance it rises
8,747,343 +5.1% vs reported
Likely range 7,738,155 to 10,035,425 The latest estimate appears in the chart below. Official release expected Oct 9. Methodology
Short Squeeze Score
61/100
Short interest 3.1% of shares — P59 Days to cover 4.8 — P63 Price vs VWAP -3.5% — P60 Short-volume trend +21.8% — P95 Short interest change -8.4% — P23 Worst FTD 0.01% of shares — P50

Positioning score 60.6 + 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 (2026-09-15). 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 2026-10-01 06:18 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.

1M 3M 6M 1Y 5Y All
Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 8,325,703 9,084,567 -758,864 4.83
    2026-08-31 9,084,567 10,484,939 -1,400,372 3.61
    2026-08-14 10,484,939 13,789,710 -3,304,771 2.39
    2026-07-31 13,789,710 15,142,908 -1,353,198 16.64
    2026-07-15 15,142,908 12,493,728 +2,649,180 10.50
    2026-06-30 12,493,728 13,476,088 -982,360 13.26
    2026-06-15 13,476,088 12,786,624 +689,464 10.17
    2026-05-29 12,786,624 14,017,528 -1,230,904 6.90
    2026-05-15 14,017,528 13,088,539 +928,989 8.62
    2026-04-30 13,088,539 14,206,924 -1,118,385 10.52
    2026-04-15 14,206,924 14,582,459 -375,535 10.38
    2026-03-31 14,582,459 14,696,007 -113,548 7.18
    2026-03-13 14,696,007 14,966,126 -270,119 9.70
    2026-02-27 14,966,126 15,860,958 -894,832 8.77
    2026-02-13 15,860,958 15,435,023 +425,935 13.78
    2026-01-30 15,435,023 13,902,770 +1,532,253 9.02
    2026-01-15 13,902,770 12,295,794 +1,606,976 4.74
    2025-12-31 12,295,794 12,128,428 +167,366 4.82
    2025-12-15 12,128,428 12,948,282 -819,854 4.51
    2025-11-28 12,948,282 11,662,315 +1,285,967 2.59
    2025-11-14 11,662,315 11,981,268 -318,953 4.44
    2025-10-31 11,981,268 11,821,704 +159,564 5.40
    2025-10-15 11,821,704 11,487,493 +334,211 3.61

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1730463 CUSIP 05280R100 13F (30d) 4 filings 4 filers Visit website Investor relations