13F Insight
DOSSIER · 13F Holders · Q1 2025
AVU0

ADVERUM BIOTECHNOLOGIES INC

2 institutions still hold ADVERUM BIOTECHNOLOGIES INC as of Q1 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00773U207·2 13F holders·last filed Mar 31, 2025
Market cap
—
13F value held
$461K
visible holders
Holders
2
filers reporting
Concentration
100.00%
Grant/GrossMendelsohn, LLC #1
top holder share
AI Holders Summary · Q1 2025

2 institutions reported AVU0 in Q1 2025. Grant/GrossMendelsohn, LLC leads at 100.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Grant/GrossMendelsohn, LLC
CIK 0001810677
$461K160K0.26%Q1 202502
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025