Immuneering Corp (IMRX) short interest & short volume · 60.0% of float short
Immuneering Corp official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
IMRX short interest rose 5.4% to 16.3M shares in the Oct 15, 2026 report (60.0% of float, 20.4 days to cover). Daily short volume averaged 39.3% of volume over the last 20 sessions, down from 52.3% the 20 sessions before, the 1st percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 16.3M
- prior 15.5M
- % of float
- 60.0%
- float 27.2M
- Days to cover
- 20.4
- avg vol 802K
- Change vs prior report
- +5.4%
Days to cover is short interest divided by FINRA's average daily volume for the period: how many average days of trading it would take shorts to buy back.
% of float uses the current float for every report (no float was stored with older reports).
Source: FINRA equity short interest (twice monthly) · Settlement Oct 15, 2026
Daily short volume
Share of each day's volume sold short · FINRA Reg SHO
- Latest (Nov 2)
- 46.0%
- 179K of 389K
- 20-day average
- 39.3%
- prior 52.3%
- Percentile vs own history
- 1st
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: +1.1%
Model, not a forecast: 40 pts short interest % of float (full at 30%), 25 pts days to cover (full at 10), 15 pts rise in short interest since the prior report (full at +50%), 20 pts price gain since the settlement date (full at +25%). Missing inputs score 0.
IMRX's squeeze score and its inputs with Lician Pro.Start 3-day trial — $149/yr
Market-wide: most shorted stocks, biggest changes and unusual short volume · IMRX overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 178,942 | 388,897 | 46.0% |
| 2026-10-30 | 175,082 | 499,024 | 35.1% |
| 2026-10-29 | 153,840 | 316,152 | 48.7% |
| 2026-10-28 | 185,742 | 469,207 | 39.6% |
| 2026-10-27 | 76,595 | 302,197 | 25.4% |
| 2026-10-26 | 80,362 | 236,759 | 33.9% |
| 2026-10-23 | 147,663 | 338,239 | 43.7% |
| 2026-10-22 | 72,622 | 263,379 | 27.6% |
| 2026-10-21 | 107,007 | 236,875 | 45.2% |
| 2026-10-20 | 347,479 | 526,261 | 66.0% |
Healthcare peers with similar quant ratings
IMRX is rated 2.16 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- KROS short interest2.19 · Sell · stock
- AURA short interest2.18 · Sell · stock
- SUPN short interest2.18 · Sell · stock
- DTIL short interest2.17 · Sell · stock
- AVTX short interest2.15 · Sell · stock
- ENTX short interest2.15 · Sell · stock
- VERA short interest2.14 · Sell · stock
- CYH short interest2.13 · Sell · stock
IMRX short interest FAQ
What is IMRX's short interest?
Immuneering Corp (IMRX) had 16.3M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 60.0% of its 27.2M-share float.
How many days to cover does IMRX have?
20.4 days: 16.3M shares short divided by an average daily volume of 802K for the Oct 15, 2026 period.
Is IMRX short interest rising or falling?
IMRX short interest rose (+5.4%) from 15.5M to 16.3M shares in the Oct 15, 2026 report.
Is IMRX a short squeeze candidate?
Lician's squeeze watch scores IMRX 68 out of 100 (elevated) from the Oct 15, 2026 report: short interest % of float 40/40, days to cover 25/25, change in short interest vs prior report 1.6/15, price change since settlement date 0.9/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of IMRX daily volume is sold short?
39.3% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 1st percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was IMRX's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Immuneering Corp (IMRX) was 178,942 shares, 46.0% of 388,897 total volume.
How many IMRX short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Immuneering Corp (IMRX), from Oct 20, 2026 through Nov 2, 2026.
How did IMRX short volume percent change from the prior cached session?
Cached FINRA short volume for Immuneering Corp (IMRX) moved from 35.1% on Oct 30, 2026 to 46.0% on Nov 2, 2026, up 10.9 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.