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IRONWOOD PHARMACEUTICALS INC (IRWD)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001446847 · EDGAR filings · Updated 2026-07-28

IRONWOOD PHARMACEUTICALS INC (IRWD) has reported institutional ownership of 97.4%, with 224 institutional managers holding positions valued at $562.7M 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).

Filings this week (3)

• 2026-07-28 — SCHEDULE 13G/A filed
• 2026-07-22 — Insider transaction reported (Form 4)
• 2026-07-22 — Initial insider ownership filed (Form 3)

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

Latest updates

• 2026-07-09 — Insider transaction reported (Form 4)
• 2026-07-07 — Notice of proposed sale filed (Form 144)
• 2026-06-18 — Current report (8-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, IRONWOOD PHARMACEUTICALS INC has 224 institutional holders and institutional ownership of 97.4%.

Insider activity

Insiders reported 42 transactions (0 buys, 22 sells) across 15 reporting insiders, with a net reported value of −$22.0M.

Data flags from SEC filings

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