Fulcrum Therapeutics, Inc. - FULC

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Jul 17, 2026 SCHEDULE 13G BlackRock Portfolio Management LLC 6.0% 4,021,379 View
Jul 15, 2026 SCHEDULE 13G/A TANG CAPITAL MANAGEMENT, LLC 10.4% 6,913,329 View
Jul 15, 2026 SCHEDULE 13G/A KEVIN TANG 10.4% 6,913,329 View
Jul 15, 2026 SCHEDULE 13G/A TANG CAPITAL PARTNERS, LP 2.5% 1,630,142 View
Jul 15, 2026 SCHEDULE 13G/A TANG CAPITAL PARTNERS INTERNATIONAL, LP 3.2% 2,160,423 View
Jul 15, 2026 SCHEDULE 13G/A TANG CAPITAL PARTNERS III, INC 2.5% 1,630,127 View
Jul 15, 2026 SCHEDULE 13G/A TANG CAPITAL PARTNERS IV, INC 2.2% 1,492,637 View
Jun 25, 2026 SCHEDULE 13G EcoR1 Capital, LLC 9.0% 6,000,000 View
Jun 25, 2026 SCHEDULE 13G Oleg Nodelman 9.0% 6,000,000 View
Jun 25, 2026 SCHEDULE 13G EcoR1 Capital Fund Qualified, L.P. 8.4% 5,614,199 View
Jun 25, 2026 SCHEDULE 13G EcoR1 Capital, LLC 9.0% 6,000,000 View
Jun 25, 2026 SCHEDULE 13G Oleg Nodelman 9.0% 6,000,000 View
Jun 25, 2026 SCHEDULE 13G EcoR1 Capital Fund Qualified, L.P. 8.4% 5,614,199 View
Jun 10, 2026 SCHEDULE 13G TANG CAPITAL MANAGEMENT, LLC 8.2% 5,451,800 View
Jun 10, 2026 SCHEDULE 13G KEVIN TANG 8.2% 5,451,800 View
Jun 10, 2026 SCHEDULE 13G TANG CAPITAL PARTNERS, LP 1.9% 1,249,373 View
Jun 10, 2026 SCHEDULE 13G TANG CAPITAL PARTNERS INTERNATIONAL, LP 2.5% 1,703,690 View
Jun 10, 2026 SCHEDULE 13G TANG CAPITAL PARTNERS III, INC 1.9% 1,249,367 View
Jun 10, 2026 SCHEDULE 13G TANG CAPITAL PARTNERS IV, INC 1.9% 1,249,370 View
May 15, 2026 SCHEDULE 13G/A TCG Crossover GP II, LLC 7.9% 5,250,000 View
May 15, 2026 SCHEDULE 13G/A TCG Crossover Fund II, L.P. 7.9% 5,250,000 View
May 15, 2026 SCHEDULE 13G/A Chen Yu 7.9% 5,250,000 View
May 15, 2026 SCHEDULE 13G/A Nantahala Capital Management, LLC 4.58% 3,050,040 View
May 15, 2026 SCHEDULE 13G/A Wilmot B. Harkey 4.58% 3,050,040 View
May 15, 2026 SCHEDULE 13G/A Daniel Mack 4.58% 3,050,040 View
Mar 26, 2026 SCHEDULE 13G/A The Vanguard Group 0.0% 0 View
Feb 17, 2026 SCHEDULE 13G/A RA Capital Management, L.P. 9.9% 6,649,973 View
Feb 17, 2026 SCHEDULE 13G/A Peter Kolchinsky 9.9% 6,649,973 View
Feb 17, 2026 SCHEDULE 13G/A Rajeev Shah 9.9% 6,649,973 View
Feb 17, 2026 SCHEDULE 13G/A RA Capital Healthcare Fund, L.P. 9.9% 6,649,973 View
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G. Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F). Amendments (/A) can repeat the same holder over time, so rows should not be summed. Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.