4DX vs PNV — ASX Short Interest Comparison

Side-by-side comparison of short positions for 4dmedical (ASX:4DX) and Polynovo (ASX:PNV), based on official ASIC short position reports as of 20 Aug 2026.

4DX is more heavily shorted, with 12.38% of shares reported as short positions against 8.95% for PNV — a gap of 3.42 percentage points.

4DX

More shorted

4dmedical

Short interest
12.38%
Reported positions
74,215,740
Industry
Health Care Equipment & Services

Polynovo

Short interest
8.95%
Reported positions
61,837,936
Industry
Health Care Equipment & Services

Both 4DX and PNV operate in the Health Care Equipment & Services industry — industry-level short positioning may reflect broader sector sentiment rather than stock-specific views.

Source: official ASIC short position reports (T+4 delay). Methodology · Disclaimer — not financial advice.