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ABCL · AbCellera Biologics Inc. · Short Interest

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$11.07 -0.37 (-3.24%) At close · Sep 9
Rebalance outlook locked
Market Cap
$3.50B
Shares
306.61M

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 →

ABCL Latest Reported Short Interest

FINRA reported 41,340,862 ABCL shares sold short as of the August 14, 2026 settlement date, a decrease of 6,977,654 shares. Days to cover was 3.04 based on FINRA's reported average daily volume.

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

ABCL Short Interest Forecast

Equibles' model estimates 38,468,169 shares sold short for the August 31, 2026 settlement, -6.9% versus the latest reported position, with a likely range of 34,345,846 to 42,624,940 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 High confidence 82% chance it falls
38,468,169 -6.9% vs reported
Likely range 34,345,846 to 42,624,940 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
69/100
Short interest 13.5% of shares — P94 Days to cover 3.0 — P49 Price vs VWAP +38.6% — P99 Short-volume trend -5.7% — P30 Short interest change -14.4% — P20 Worst FTD 0.45% of shares — P93

Positioning score 68.8 + 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 (2026-08-14). 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 2026-09-10 02:11 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
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 41,340,862 48,318,516 -6,977,654 3.04
    2026-07-31 48,318,516 45,110,268 +3,208,248 9.66
    2026-07-15 45,110,268 48,564,126 -3,453,858 6.97
    2026-06-30 48,564,126 44,909,557 +3,654,569 5.33
    2026-06-15 44,909,557 47,119,903 -2,210,346 7.14
    2026-05-29 47,119,903 42,950,817 +4,169,086 5.58
    2026-05-15 42,950,817 44,457,643 -1,506,826 4.24
    2026-04-30 44,457,643 47,699,890 -3,242,247 5.98
    2026-04-15 47,699,890 50,425,478 -2,725,588 16.98
    2026-03-31 50,425,478 50,399,213 +26,265 22.71
    2026-03-13 50,399,213 51,320,387 -921,174 15.78
    2026-02-27 51,320,387 50,215,439 +1,104,948 14.20
    2026-02-13 50,215,439 48,902,371 +1,313,068 10.28
    2026-01-30 48,902,371 47,000,042 +1,902,329 11.36
    2026-01-15 47,000,042 48,266,214 -1,266,172 8.87
    2025-12-31 48,266,214 50,505,133 -2,238,919 14.13
    2025-12-15 50,505,133 50,842,609 -337,476 17.15
    2025-11-28 50,842,609 54,443,811 -3,601,202 11.11
    2025-11-14 54,443,811 55,161,166 -717,355 9.23
    2025-10-31 55,161,166 53,201,052 +1,960,114 13.76
    2025-10-15 53,201,052 46,141,939 +7,059,113 7.05
    2025-09-30 46,141,939 44,375,292 +1,766,647 8.89
    2025-09-15 44,375,292 43,232,762 +1,142,530 11.28

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1703057 CUSIP 00288U106 13F (30d) 86 filings 86 filers Visit website Investor relations