Companies › FULC

FULCRUM THERAPEUTICS INC (FULC)

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001680581 · EDGAR filings · Updated 2026-07-28

FULCRUM THERAPEUTICS INC (FULC) has reported institutional ownership of 107.6%, with 168 institutional managers holding positions valued at $550.1M per the latest 13F reporting period. SEC filings include an active substantial-doubt (going concern) disclosure per the filings.

Filings this week (1)

• 2026-07-28 — 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

• 2026-07-20 — Insider transaction reported (Form 4)
• 2026-07-17 — SCHEDULE 13G filed
• 2026-07-15 — SCHEDULE 13G/A filed
• 2026-07-15 — Insider transaction reported (Form 4)
• 2026-07-15 — Initial insider ownership filed (Form 3)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, FULCRUM THERAPEUTICS INC has 168 institutional holders and institutional ownership of 107.6%.

Insider activity

Insiders reported 9 transactions (0 buys, 9 sells) across 4 reporting insiders, with a net reported value of −$59.1M.

Data flags from SEC filings

Related companies

IRONWOOD PHARMACEUTICALS INC (IRWD) · BUTTERFLY NETWORK INC (BFLY) · TACTILE SYS TECHNOLOGY INC (TCMD) · SI BONE INC (SIBN) · CERIBELL INC (CBLL) · PERSONALIS INC (PSNL)