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XNCR · Xencor Inc · Short Interest

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$25.23 +0.46 (+1.86%) At close · Oct 2
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$1.77B
Shares
74.35M
Volume · Oct 2 1.1M Avg daily vol (3M) 1.27M

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 →

XNCR Latest Reported Short Interest

FINRA reported 15,751,444 XNCR shares sold short as of the September 15, 2026 settlement date, an increase of 838,368 shares. Days to cover was 13.24 based on FINRA's reported average daily volume.

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

XNCR Short Interest Forecast

Equibles' model estimates 16,339,176 shares sold short for the September 30, 2026 settlement, +3.7% versus the latest reported position, with a likely range of 15,072,658 to 17,586,770 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 Low confidence 52% chance it rises
16,339,176 +3.7% vs reported
Likely range 15,072,658 to 17,586,770 The latest estimate appears in the chart below. Official release expected Oct 9. Methodology
Short Squeeze Score
86/100
Short interest 21.2% of shares — P98 Days to cover 13.2 — P93 Price vs VWAP +7.3% — P90 Short-volume trend +4.6% — P65 Short interest change +5.6% — P64 Worst FTD 0.09% of shares — P83

Positioning score 85.9 + 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 2026-10-03 03:07 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
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 Scheduled
    FINRA publishes Oct 9
    		 — — — —
    2026-09-15 15,751,444 14,913,076 +838,368 13.24
    2026-08-31 14,913,076 14,188,820 +724,256 9.53
    2026-08-14 14,188,820 11,344,506 +2,844,314 14.08
    2026-07-31 11,344,506 10,842,171 +502,335 8.84
    2026-07-15 10,842,171 11,506,336 -664,165 13.63
    2026-06-30 11,506,336 11,255,008 +251,328 9.71
    2026-06-15 11,255,008 10,900,110 +354,898 16.15
    2026-05-29 10,900,110 10,710,812 +189,298 17.22
    2026-05-15 10,710,812 10,529,038 +181,774 12.88
    2026-04-30 10,529,038 10,311,398 +217,640 15.62
    2026-04-15 10,311,398 11,295,359 -983,961 13.04
    2026-03-31 11,295,359 11,214,924 +80,435 11.26
    2026-03-13 11,214,924 11,237,664 -22,740 12.59
    2026-02-27 11,237,664 10,988,791 +248,873 17.88
    2026-02-13 10,988,791 10,918,777 +70,014 22.90
    2026-01-30 10,918,777 10,307,769 +611,008 17.86
    2026-01-15 10,307,769 10,640,233 -332,464 11.83
    2025-12-31 10,640,233 9,503,575 +1,136,658 14.19
    2025-12-15 9,503,575 8,890,556 +613,019 13.09
    2025-11-28 8,890,556 8,404,735 +485,821 11.48
    2025-11-14 8,404,735 8,750,021 -345,286 9.54
    2025-10-31 8,750,021 8,048,770 +701,251 5.35
    2025-10-15 8,048,770 9,285,900 -1,237,130 6.93

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1326732 CUSIP 98401F105 13F (30d) 6 filings 6 filers Visit website Investor relations