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TWST · Twist Bioscience Corp · Short Interest

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$127.22 +0.37 (+0.29%) At close · Sep 11
Russell 2000 member Rebalance outlook locked
Market Cap
$7.97B
Shares
62.71M

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 →

TWST Latest Reported Short Interest

FINRA reported 12,065,357 TWST shares sold short as of the August 31, 2026 settlement date, a decrease of 2,043,774 shares. Days to cover was 6.91 based on FINRA's reported average daily volume.

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

TWST Short Interest Forecast

Equibles' model estimates 11,787,505 shares sold short for the September 15, 2026 settlement, -2.3% versus the latest reported position, with a likely range of 10,752,516 to 12,843,078 shares. This model prediction uses FINRA data through September 11, 2026; FINRA's official release is expected September 24, 2026.

Model estimate

Expected Sep 15 short interest

as of Sep 11 High confidence 71% chance it falls
11,787,505 -2.3% vs reported
Likely range 10,752,516 to 12,843,078 The latest estimate appears in the chart below. Official release expected Sep 24. Methodology
Short Squeeze Score
71/100
Short interest 19.2% of shares — P98 Days to cover 6.9 — P76 Price vs VWAP +19.6% — P95 Short-volume trend -6.3% — P26 Short interest change -14.5% — P16 Worst FTD 0.02% of shares — P62

Positioning score 70.6 + 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 (2026-08-31). 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 2026-09-12 09:55 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
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 12,065,357 14,109,131 -2,043,774 6.91
    2026-08-14 14,109,131 14,075,357 +33,774 7.90
    2026-07-31 14,075,357 14,116,574 -41,217 11.12
    2026-07-15 14,116,574 13,949,973 +166,601 9.69
    2026-06-30 13,949,973 17,660,235 -3,710,262 5.51
    2026-06-15 17,660,235 14,898,695 +2,761,540 9.58
    2026-05-29 14,898,695 16,578,578 -1,679,883 8.99
    2026-05-15 16,578,578 13,914,949 +2,663,629 10.40
    2026-04-30 13,914,949 14,522,121 -607,172 10.46
    2026-04-15 14,522,121 14,149,704 +372,417 12.59
    2026-03-31 14,149,704 12,863,285 +1,286,419 11.94
    2026-03-13 12,863,285 12,726,314 +136,971 14.01
    2026-02-27 12,726,314 13,006,730 -280,416 9.82
    2026-02-13 13,006,730 12,167,392 +839,338 7.30
    2026-01-30 12,167,392 12,504,532 -337,140 10.07
    2026-01-15 12,504,532 14,259,994 -1,755,462 9.05
    2025-12-31 14,259,994 13,742,759 +517,235 13.04
    2025-12-15 13,742,759 12,752,433 +990,326 11.65
    2025-11-28 12,752,433 10,898,965 +1,853,468 6.81
    2025-11-14 10,898,965 10,548,267 +350,698 5.89
    2025-10-31 10,548,267 10,860,765 -312,498 6.38
    2025-10-15 10,860,765 12,982,960 -2,122,195 5.37
    2025-09-30 12,982,960 12,816,246 +166,714 8.12
    2025-09-15 12,816,246 10,234,719 +2,581,527 7.89

    Full FINRA short interest reporting calendar

    Showing 1–24 of 24 settlements
    Key facts CIK 1581280 CUSIP 90184D100 13F (30d) 155 filings 154 filers Visit website Investor relations