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TAYSHA GENE THERAPIES (TSHA)

Name: TAYSHA GENE THERAPIES (TSHA) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001806310 · EDGAR filings · Updated 2026-07-10

TAYSHA GENE THERAPIES (TSHA) has reported institutional ownership of 92.5%, with 191 institutional managers holding positions valued at $1.21B per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), substantial-doubt (going concern) disclosure per the filings.

Institutional ownership

92.5%

Institutional managers

191

Reported 13F value

$1.21B

Insider activity

27 trans.

−$3.42M net selling

Data flags

2 active

from SEC filings

Latest updates

2026-07-10 — Notice of proposed sale filed (Form 144)
2026-07-10 — Insider transaction reported (Form 4)
2026-06-25 — Current report (8-K) filed
2026-06-25 — Prospectus supplement (424B5) filed
2026-06-24 — Prospectus supplement (424B5) filed
2026-06-22 — Current report (8-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, TAYSHA GENE THERAPIES has 191 institutional holders and institutional ownership of 92.5%.

Insider activity

Insiders reported 27 transactions (1 buys, 13 sells) across 8 reporting insiders, with a net reported value of −$3.42M.

Data flags from SEC filings

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2023-11-14 (recurring since 2022-08-11) — source filing. The authoritative details are those stated in the filing itself.

Active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01), most recently filed 2023-08-04 (recurring since 2023-04-27) — source filing. The authoritative details are those stated in the filing itself.

Related companies

VIR BIOTECHNOLOGY INC COM (VIR) · COLLEGIUM PHARMACEUTICAL INC COM (COLL) · ALPHATEC HLDGS INCORPORATED COM NEW (ATEC) · U S PHYSICAL THERAPY (USPH) · BIOHAVEN LTD F (BHVN) · CONMED CORP COM (CNMD)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-10.