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ANNEXON (ANNX)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001528115 · EDGAR filings · Updated 2026-07-27

ANNEXON (ANNX) has reported institutional ownership of 104.4%, with 217 institutional managers holding positions valued at $863.7M per the latest 13F reporting period.

Filings this week (1)

• 2026-07-27 — SCHEDULE 13G/A filed

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

Latest updates

• 2026-07-15 — Notice of proposed sale filed (Form 144)
• 2026-07-14 — Notice of proposed sale filed (Form 144)
• 2026-07-08 — SCHEDULE 13G/A filed
• 2026-07-08 — SCHEDULE 13G/A filed
• 2026-06-15 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, ANNEXON has 217 institutional holders and institutional ownership of 104.4%.

Insider activity

Insiders reported 32 transactions (14 buys, 13 sells) across 8 reporting insiders, with a net reported value of $8.61M.

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