DOSSIER · 13F Holders · Q1 2026

4D MOLECULAR THERAPEUTICS IN

3 institutions still hold 4D MOLECULAR THERAPEUTICS IN as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 35104E900·3 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$177K
visible holders
Holders
3
filers reporting
Concentration
99.47%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

3 institutions reported 4D MOLECULAR THERAPEUTICS IN in Q1 2026. GROUP ONE TRADING LLC leads at 99.5% 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
$176K19K0.00%Q1 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$9311000.00%Q1 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025