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CRBU · Caribou Biosciences, Inc. · Short Interest

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$0.38 -0.01 (-2.69%) At close · Nov 12
Russell 2000 member Rebalance outlook locked
Market Cap
$41.08M
Shares
108.04M
Volume · Nov 12 1.54M Avg daily vol (3M) 2.72M

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 →

CRBU Latest Reported Short Interest

FINRA reported 14,892,848 CRBU shares sold short as of the October 30, 2026 settlement date, an increase of 2,337,984 shares. Days to cover was 6.04 based on FINRA's reported average daily volume.

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

CRBU Short Interest Forecast

Equibles' model estimates 14,727,761 shares sold short for the November 13, 2026 settlement, -1.1% versus the latest reported position, with a likely range of 13,238,255 to 16,351,362 shares. This model prediction uses FINRA data through November 12, 2026; FINRA's official release is expected November 24, 2026.

Model estimate

Expected Nov 13 short interest

as of Nov 12 Low confidence 51% chance it rises
14,727,761 -1.1% vs reported
Likely range 13,238,255 to 16,351,362 The latest estimate appears in the chart below. Official release expected Nov 24. Methodology
Short Squeeze Score
64/100
Short interest 13.8% of shares — P94 Days to cover 6.0 — P73 Price vs VWAP -48.9% — P5 Short-volume trend -8.2% — P24 Short interest change +18.6% — P85 Worst FTD 0.07% of shares — P79

Positioning score 63.5 + 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 (2026-10-30). 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 2026-11-13 08:43 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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Dimensions
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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-11-30 Scheduled
    FINRA publishes Dec 9
    		 — — — —
    2026-11-13 Scheduled
    FINRA publishes Nov 24
    		 — — — —
    2026-10-30 14,892,848 12,554,864 +2,337,984 6.04
    2026-10-15 12,554,864 12,914,422 -359,558 1.54
    2026-09-30 12,914,422 12,978,605 -64,183 13.09
    2026-09-15 12,978,605 12,501,320 +477,285 9.49
    2026-08-31 12,501,320 12,465,346 +35,974 12.94
    2026-08-14 12,465,346 11,639,454 +825,892 11.95
    2026-07-31 11,639,454 11,594,287 +45,167 9.42
    2026-07-15 11,594,287 9,625,837 +1,968,450 4.92
    2026-06-30 9,625,837 7,531,658 +2,094,179 3.05
    2026-06-15 7,531,658 7,450,323 +81,335 4.15
    2026-05-29 7,450,323 7,136,627 +313,696 4.05
    2026-05-15 7,136,627 7,123,813 +12,814 4.52
    2026-04-30 7,123,813 6,768,285 +355,528 4.35
    2026-04-15 6,768,285 6,472,632 +295,653 5.49
    2026-03-31 6,472,632 7,057,089 -584,457 6.00
    2026-03-13 7,057,089 7,232,010 -174,921 6.17
    2026-02-27 7,232,010 7,768,220 -536,210 4.92
    2026-02-13 7,768,220 7,530,609 +237,611 5.74
    2026-01-30 7,530,609 6,793,288 +737,321 6.88
    2026-01-15 6,793,288 6,501,051 +292,237 6.80
    2025-12-31 6,501,051 6,240,758 +260,293 6.45
    2025-12-15 6,240,758 6,140,242 +100,516 6.48
    2025-11-28 6,140,242 5,618,833 +521,409 5.86
    2025-11-14 5,618,833 3,546,605 +2,072,228 1.00

    Full FINRA short interest reporting calendar

    Showing 1–24 of 24 settlements
    Key facts CIK 1619856 CUSIP 142038108 13F (30d) 94 filings 81 filers Visit website Investor relations