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POLARYX THERAPEUTICS INC (PLYX)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0002075320 · EDGAR filings · Updated 2026-07-28

POLARYX THERAPEUTICS INC (PLYX) has reported institutional ownership of 4.8%, with 14 institutional managers holding positions valued at $17.1M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.

Filings this week (4)

• 2026-07-28 — ARS filed
• 2026-07-28 — DEFA14A filed
• 2026-07-28 — Proxy statement (DEF 14A) filed
• 2026-07-24 — Employee-plan registration (S-8) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-07-21 — Current report (8-K) filed
• 2026-07-17 — Current report (8-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, POLARYX THERAPEUTICS INC has 14 institutional holders and institutional ownership of 4.8%.

Insider activity

Insiders reported 1 transactions (1 buys, 0 sells) across 4 reporting insiders, with a net reported value of $8.00K.

Data flags from SEC filings

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