DOSSIER · 13F Holders · Q3 2025
TRML

TOURMALINE BIO INC

2 institutions still hold TOURMALINE BIO INC as of Q3 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 89157D105·2 13F holders·last filed Sep 30, 2025
Market cap
13F value held
$35M
visible holders
Holders
2
filers reporting
Concentration
100.00%
Qiming U.S. Ventures Management, LLC #1
top holder share
AI Holders Summary · Q3 2025

2 institutions reported TRML in Q3 2025. Qiming U.S. Ventures Management, 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
Qiming U.S. Ventures Management, LLC
CIK 0001909617
$35M742K63.76%Q3 2025
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at TOURMALINE BIO INC
Jones Susan DanaThiara ParvinderRobinson Ryan F.Johnson Kevin BruceKulkarni Sandeep ChidambarKantoff AaronSrivastava SapnaCastelein Caley