Matinas BioPharma Holdings Inc (MTNB) short interest & short volume · 0.9% of float short
Matinas BioPharma Holdings Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
MTNB short interest fell 12.0% to 49K shares in the Oct 15, 2026 report (0.9% of float, 1.0 days to cover). Daily short volume averaged 45.3% of volume over the last 20 sessions, up from 33.4% the 20 sessions before, the 94th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 49K
- prior 56K
- % of float
- 0.9%
- float 5.2M
- Days to cover
- 1.0
- avg vol 130K
- Change vs prior report
- -12.0%
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)
- 30.7%
- 47K of 152K
- 20-day average
- 45.3%
- prior 33.4%
- Percentile vs own history
- 94th
- 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: -52.9%
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.
MTNB'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 · MTNB overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 46,722 | 152,037 | 30.7% |
| 2026-10-30 | 3,954 | 43,600 | 9.1% |
| 2026-10-29 | 389 | 799 | 48.7% |
| 2026-10-28 | 3,806 | 5,455 | 69.8% |
| 2026-10-27 | 6,938 | 18,544 | 37.4% |
| 2026-10-26 | 6,370 | 43,132 | 14.8% |
| 2026-10-23 | 2,694 | 6,520 | 41.3% |
| 2026-10-22 | 10,949 | 27,106 | 40.4% |
| 2026-10-21 | 4,629 | 11,007 | 42.1% |
| 2026-10-20 | 4,351 | 22,657 | 19.2% |
Healthcare peers with similar quant ratings
MTNB among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- QTTB short interest5.00 · Strong Buy · stock
- AVAH short interest4.99 · Strong Buy · stock
- CDNA short interest4.98 · Strong Buy · stock
- HALO short interest4.97 · Strong Buy · stock
- OSCR short interest4.97 · Strong Buy · stock
- BTSG short interest4.96 · Strong Buy
- REGN short interest4.95 · Strong Buy · stock
- CON short interest4.94 · Strong Buy · stock
MTNB short interest FAQ
What is MTNB's short interest?
Matinas BioPharma Holdings Inc (MTNB) had 49K shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report, 0.9% of its 5.2M-share float.
How many days to cover does MTNB have?
1.0 days: 49K shares short divided by an average daily volume of 130K for the Oct 15, 2026 period.
Is MTNB short interest rising or falling?
MTNB short interest fell (-12.0%) from 56K to 49K shares in the Oct 15, 2026 report.
Is MTNB a short squeeze candidate?
Lician's squeeze watch scores MTNB 4 out of 100 (low) from the Oct 15, 2026 report: short interest % of float 1.3/40, days to cover 2.5/25, change in short interest vs prior report 0/15, price change since settlement date 0/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of MTNB daily volume is sold short?
45.3% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 94th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was MTNB's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Matinas BioPharma Holdings Inc (MTNB) was 46,722 shares, 30.7% of 152,037 total volume.
How many MTNB short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Matinas BioPharma Holdings Inc (MTNB), from Oct 20, 2026 through Nov 2, 2026.
How did MTNB short volume percent change from the prior cached session?
Cached FINRA short volume for Matinas BioPharma Holdings Inc (MTNB) moved from 9.1% on Oct 30, 2026 to 30.7% on Nov 2, 2026, up 21.6 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.