DOSSIER · 13F Holders · Q3 2026

ERASCA INC

6 institutions still hold ERASCA INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 29479A908·6 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$32M
visible holders
Holders
6
filers reporting
Concentration
71.53%
Octagon Capital Advisors LP #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported ERASCA INC in Q3 2026. Octagon Capital Advisors LP leads at 71.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Octagon Capital Advisors LP
CIK 0001839435
$23M1.3M2.07%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$5M320K0.00%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$4M271K0.01%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$474K32K0.00%Q3 2026
05
Blue Owl Capital Holdings LP
CIK 0001858703
$10K100K0.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025