ADC Therapeutics SA (ADCT) Institutional Ownership

Ownership Summary

A total of 3 institutions have reported a stake in ADC Therapeutics SA (NYSE:ADCT) as of December 2025, according to recent 13F filings with the SEC.

• The percentage of ADC Therapeutics owned by institutions changed from 49.9% in September 2025 to 0.0% in December 2025, marking a slight down trend.
• In percentage terms, this reflects as a holdings change of 94819.05% quarter on quarter, and a decrease of 96.43% year over year.
• The latest 13F cycle for ADC Therapeutics reveals that of 3 total investors, 3 funds grew their exposure, whereas 0 reduced theirs and 0 made no changes.
• The aggregate institutional position in ADC Therapeutics now stands at 19.93K shares as of December 2025, after investors increased their holdings (up by 19.91K shares quarter on quarter which is down 56.47Mn shares year over year).
• Henrickson Nauta Wealth Advisors, Inc. continues to be the largest institutional holder of ADC Therapeutics as of December 31, 2025, with a position of 19.41K shares, representing 0.01% of the company's outstanding stock.
• Among the most significant buyers of ADC Therapeutics during December 2025 were Henrickson Nauta Wealth Advisors, Inc. (19.41K), GAMMA Investing LLC (492), True Wealth Design, LLC (9).
• The top 3 institutional holders of ADC Therapeutics for the quarter ending December 2025 included Henrickson Nauta Wealth Advisors, Inc. (19.41K), GAMMA Investing LLC (492), True Wealth Design, LLC (30).