DOSSIER · 13F Holders · Q2 2026
SPTX

SEAPORT THERAPEUTICS INC

1 institutions still hold SEAPORT THERAPEUTICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81221K108·1 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1M
visible holders
Holders
1
filers reporting
Concentration
100.00%
ALPS ADVISORS INC #1
top holder share
AI Holders Summary · Q2 2026

1 institutions reported SPTX in Q2 2026. ALPS ADVISORS INC leads at 100.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ALPS ADVISORS INC
CIK 0001376113
$1M54K0.01%Q2 2026
Insiders at SEAPORT THERAPEUTICS INC
Hombach Robert J.White LaurenHealy JamesLoebel AntonyPaul Steven MTorres DeniceChen Michael CunyuanGladstein Lana