PBLS · NASDAQ · Biotechnology

Parabilis Medicines (PBLS)

Develops Helicon peptides for hard-to-reach intracellular protein targets.

$40.61
Pre-market+0.57 (+1.42%)
At close$40.04(+1.44%)

Breakdown13F · 13D/G · Form 4

123.53M company shares as of Sep 3, 2026 · holders as of their latest filing

This company has 2 share classes; every stake here is a share of the whole company.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
ARCH Venture Fund XII, L.P.Institution
5.19%6.41M13Gfiled Aug 14, 2026
RA Capital Management, L.P.Institution
23.80% of class, as filed13Dfiled Jun 18, 2026

13D/13G — an ownership statement filed at 5% or more

Institutions13F

No 13F holders on record.

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
RA Capital Management, L.P.incl. Peter Kolchinsky, Rajeev Shah +1 more23.80%28.93M13DJun 18, 2026
ARCH Venture Fund XII, L.P.5.30%6.41M13GAug 14, 2026

Insider tradesForm 4

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.