DOSSIER · 13F Holders · Q3 2026

AXSOME THERAPEUTICS INC

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

CUSIP 05464T904·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$30M
visible holders
Holders
6
filers reporting
Concentration
65.19%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported AXSOME THERAPEUTICS INC in Q3 2026. GROUP ONE TRADING LLC leads at 65.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$20M106K0.03%Q3 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$5M25K0.00%Q3 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$4M20K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$2M11K0.00%Q3 2026
05
Timothy G. Youngquist 2020 Irrevocable Trust
CIK 0002109159
$22K3K0.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025