Seaport Therapeutics, Inc. (SPTX) research

Seaport Therapeutics, Inc.

Sector: Healthcare
Industry: Biotechnology
Last price: $18.42
As of: 2026-10-02

Seaport Therapeutics, Inc. (SPTX): 2 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-08-03.

As of 2026-08-25, the latest of: this ticker's 13F holdings load, its latest SEC filing date, and its latest signal other than 13F-derived signals. Source: SEC EDGAR filings for SPTX. Method and limitations.

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Active signals for SPTX

mediumEARNINGS_MISS2026-08-25
Q2-2026: Missed consensus by 16.7%, EPS $-0.73 vs $-0.6256 estimate
All 2026-08-25 signals →
mediumNEW_POSITION2026-08-16
MILLENNIUM MANAGEMENT LLC new position in SPTX
All 2026-08-16 signals →
mediumNEW_POSITION2026-08-16
CITADEL ADVISORS LLC new position in SPTX
All 2026-08-16 signals →
mediumEARNINGS_MISS2026-06-18
Q1-2026: Missed consensus by 95.9% - EPS $-10.34 vs $-5.2785 estimate
All 2026-06-18 signals →

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Largest reported share positions in SPTX (2026Q2)

Manager / security	Market value	% portfolio	QoQ
CITADEL ADVISORS LLCCUSIP 81221K108 · 2026Q2	$4.2M	0.00%	,
MILLENNIUM MANAGEMENT LLCCUSIP 81221K108 · 2026Q2	$985K	0.00%	,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, SPTX

8-K2026-08-03
SEC EDGAR ↗
10-Q2026-08-03
SEC EDGAR ↗
8-K2026-06-08
SEC EDGAR ↗
10-Q2026-06-08
SEC EDGAR ↗
8-K2026-05-04
SEC EDGAR ↗

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